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OBJECTIVE: To compare costs for 2 days versus 5 days of postoperative antibiotics within the antibiotics after an aPPendectomy In Complex appendicitis trial.Background:Recent studies suggest that restrictive antibiotic use leads to a significant reduction in hospital stays without compromising patient safety. Its potential effect on societal costs remains underexplored. METHODS: This was a pragmatic, open-label, multicenter clinical trial powered for noninferiority. Patients with complex appendicitis (age ≥ 8 years) were randomly allocated to 2 days or 5 days of intravenous antibiotics after appendectomy. Patient inclusion lasted from June 2017 to June 2021 in 15 Dutch hospitals. The final follow-up was on September 1, 2021. The primary trial endpoint was a composite endpoint of infectious complications and mortality within 90 days. In the present study, the main outcome measures were overall societal costs (comprising direct health care costs and costs related to productivity loss) and cost-effectiveness. Direct health care costs were recorded based on data in the electronic patient files, complemented by a telephone follow-up at 90 days. In addition, data on loss of productivity were acquired through the validated Productivity Cost Questionnaire at 4 weeks after surgery. Cost estimates were based on prices for the year 2019. RESULTS: In total, 1005 patients were evaluated in the "intention-to-treat" analysis: 502 patients were allocated to the 2-day group and 503 to the 5-day group. The mean difference in overall societal costs was - 625 (95% CI: - 958 to - 278) to the advantage of the 2-day group. This difference was largely explained by reduced hospital stay. Productivity losses were similar between the study groups. Restricting postoperative antibiotics to 2 days was cost-effective, with estimated cost savings of 31,117 per additional infectious complication. CONCLUSIONS: Two days of postoperative antibiotics for complex appendicitis results in a statistically significant and relevant cost reduction, as compared with 5 days. Findings apply to laparoscopic appendectomy in a well-resourced health care setting.
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Antibacterianos , Apendicitis , Humanos , Niño , Antibacterianos/uso terapéutico , Apendicitis/tratamiento farmacológico , Apendicitis/cirugía , Apendicectomía/métodos , Tiempo de Internación , Costos de la Atención en Salud , Resultado del TratamientoRESUMEN
BACKGROUND: The appropriate duration of postoperative antibiotics for complex appendicitis is unclear. The increasing global threat of antimicrobial resistance warrants restrictive antibiotic use, which could also reduce side-effects, length of hospital stay, and costs. METHODS: In this pragmatic, open-label, non-inferiority trial in 15 hospitals in the Netherlands, patients with complex appendicitis (aged ≥8 years) were randomly assigned (1:1) to receive 2 days or 5 days of intravenous antibiotics after appendicectomy. Randomisation was stratified by centre, and treating physicians and patients were not masked to treatment allocation. The primary endpoint was a composite endpoint of infectious complications and mortality within 90 days. The main outcome was the absolute risk difference (95% CI) in the primary endpoint, adjusted for age and severity of appendicitis, with a non-inferiority margin of 7·5%. Outcome assessment was based on electronic patient records and a telephone consultation 90 days after appendicectomy. Efficacy was analysed in the intention-to-treat and per-protocol populations. Safety outcomes were analysed in the intention-to-treat population. This trial was registered with the Netherlands Trial Register, NL5946. FINDINGS: Between April 12, 2017, and June 3, 2021, 13 267 patients were screened and 1066 were randomly assigned, 533 to each group. 31 were excluded from intention-to-treat analysis of the 2-day group and 30 from the 5-day group owing to errors in recruitment or consent. Appendicectomy was done laparoscopically in 955 (95%) of 1005 patients. The telephone follow-up was completed in 664 (66%) of 1005 patients. The primary endpoint occurred in 51 (10%) of 502 patients analysed in the 2-day group and 41 (8%) of 503 patients analysed in the 5-day group (adjusted absolute risk difference 2·0%, 95% CI -1·6 to 5·6). Rates of complications and re-interventions were similar between trial groups. Fewer patients had adverse effects of antibiotics in the 2-day group (45 [9%] of 502 patients) than in the 5-day group (112 [22%] of 503 patients; odds ratio [OR] 0·344, 95% CI 0·237 to 0·498). Re-admission to hospital was more frequent in the 2-day group (58 [12%] of 502 patients) than in the 5-day group (29 [6%] of 503 patients; OR 2·135, 1·342 to 3·396). There were no treatment-related deaths. INTERPRETATION: 2 days of postoperative intravenous antibiotics for complex appendicitis is non-inferior to 5 days in terms of infectious complications and mortality within 90 days, based on a non-inferiority margin of 7·5%. These findings apply to laparoscopic appendicectomy conducted in a well resourced health-care setting. Adopting this strategy will reduce adverse effects of antibiotics and length of hospital stay. FUNDING: The Netherlands Organization for Health Research and Development.
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Antibacterianos , Apendicitis , Humanos , Apendicitis/tratamiento farmacológico , Apendicitis/cirugía , Derivación y Consulta , Resultado del Tratamiento , TeléfonoRESUMEN
AIM: Literature on nationwide long-term permanent stoma rates after rectal cancer resection in the minimally invasive era is scarce. The aim of this population-based study was to provide more insight into the permanent stoma rate with interhospital variability (IHV) depending on surgical technique, with pelvic sepsis, unplanned reinterventions and readmissions as secondary outcomes. METHOD: Patients who underwent open or minimally invasive resection of rectal cancer (lower border below the sigmoid take-off) in 67 Dutch centres in 2016 were included in this cross-sectional cohort study. RESULTS: Among 2530 patients, 1470 underwent a restorative resection (58%), 356 a Hartmann's procedure (14%, IHV 0%-42%) and 704 an abdominoperineal resection (28%, IHV 3%-60%). Median follow-up was 51 months. The overall permanent stoma rate at last follow-up was 50% (IHV 13%-79%) and the unintentional permanent stoma rate, permanent stoma after a restorative procedure or an unplanned Hartmann's procedure, was 11% (IHV 0%-29%). A total of 2165 patients (86%) underwent a minimally invasive resection: 1760 conventional (81%), 170 transanal (8%) and 235 robot-assisted (11%). An anastomosis was created in 59%, 80% and 66%, with corresponding unintentional permanent stoma rates of 12%, 24% and 14% (p = 0.001), respectively. When corrected for age, American Society of Anesthesiologists classification, cTNM, distance to the anorectal junction and neoadjuvant (chemo)radiotherapy, the minimally invasive technique was not associated with an unintended permanent stoma (p = 0.071) after a restorative procedure. CONCLUSION: A remarkable IHV in the permanent stoma rate after rectal cancer resection was found. No beneficial influence of transanal or robot-assisted laparoscopy on the unintentional permanent stoma rate was found, although this might be caused by the surgical learning curve. A reduction in IHV and improving preoperative counselling for decision-making for restorative procedures are required.
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Proctectomía , Neoplasias del Recto , Estomas Quirúrgicos , Humanos , Estudios Transversales , Neoplasias del Recto/cirugía , Masculino , Femenino , Persona de Mediana Edad , Anciano , Países Bajos , Proctectomía/métodos , Proctectomía/estadística & datos numéricos , Colostomía/métodos , Colostomía/estadística & datos numéricos , Complicaciones Posoperatorias/epidemiología , Complicaciones Posoperatorias/etiología , Proctocolectomía Restauradora/métodos , Factores de Tiempo , Readmisión del Paciente/estadística & datos numéricos , Procedimientos Quirúrgicos Robotizados/estadística & datos numéricos , Procedimientos Quirúrgicos Robotizados/métodos , Adulto , Reoperación/estadística & datos numéricos , Reoperación/métodos , Resultado del Tratamiento , Anciano de 80 o más AñosRESUMEN
BACKGROUND: The standard surgical treatment for rectal cancer is total mesorectal excision (TME), which may negatively affect patients' functional outcomes and quality of life (QoL). However, it is unclear how different TME techniques may impact patients' functional outcomes and QoL. This systematic review and meta-analysis evaluated functional outcomes of urinary, sexual, and fecal functioning as well as QoL after open, laparoscopic (L-TME), robot-assisted (R-TME), and transanal total mesorectal excision (TaTME). METHODS: A systematic review and meta-analysis, based on the preferred reporting items for systematic reviews and meta-analysis statement, were conducted (PROSPERO: CRD42021240851). A literature review was performed (sources: PubMed, Medline, Embase, Scopus, Web of Science, and Cochrane Library databases; end-of-search date: September 1, 2023), and a quality assessment was performed using the Methodological index for non-randomized studies. A random-effects model was used to pool the data for the meta-analyses. RESULTS: Nineteen studies were included, reporting on 2495 patients (88 open, 1171 L-TME, 995 R-TME, and 241 TaTME). Quantitative analyses comparing L-TME vs. R-TME showed no significant differences regarding urinary and sexual functioning, except for urinary function at three months post-surgery, which favoured R-TME (SMD [CI] -0 .15 [- 0.24 to - 0.06], p = 0.02; n = 401). Qualitative analyses identified most studies did not find significant differences in urinary, sexual, and fecal functioning and QoL between different techniques. CONCLUSIONS: This systematic review and meta-analysis highlight a significant gap in the literature concerning the evaluation of functional outcomes and QoL after TME for rectal cancer treatment. This study emphasizes the need for high-quality, randomized-controlled, and prospective cohort studies evaluating these outcomes. Based on the limited available evidence, this systematic review and meta-analysis suggests no significant differences in patients' urinary, sexual, and fecal functioning and their QoL across various TME techniques.
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BACKGROUND: Receiving a stoma significantly impacts patients' quality of life. Coping with this new situation can be difficult, which may result in a variety of physical and psychosocial problems. It is essential to provide adequate guidance to help patients cope with their stoma, as this positively influences self-efficacy in return. Higher self-efficacy reduces psychosocial problems increasing patient's quality of life. This study investigates whether a new mobile application, the Stoma App, improves quality of life. And if personalized guidance, timed support, and peer contact offered as an in-app surplus makes a difference. METHODS: A double-blind, randomized controlled trial was conducted between March 2021 and April 2023. Patients aged > 18 years undergoing ileostomy or colostomy surgery, in possession of a compatible smartphone were included. The intervention group received the full version of the app containing personalized and time guidance, peer support, and generic (non-personalized) stoma-related information. The control group received a restricted version with only generic information. Primary outcome was stoma quality of life. Secondary outcomes included psychological adaption, complications, re-admittance, reoperations, and length of hospital stay. RESULTS: The intervention version of the app was used by 96 patients and the control version by 112 patients. After correction for confounding, the intervention group reported a significant 3.1-point improvement in stoma-related quality of life one month postoperatively (p = 0.038). On secondary outcomes, no significant improvements could be retrieved of the intervention group. CONCLUSION: The Stoma App improves the quality of life of stoma patients. Peer support and personalized guidance are of significant importance in building self-efficacy. It is to be recommended to implement Stoma app-freely available software qualifying as a medical device-in standard stoma care pathways for the benefits of both patients and healthcare providers.
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Aplicaciones Móviles , Estomas Quirúrgicos , Humanos , Colostomía , Ileostomía , Calidad de Vida , AdultoRESUMEN
INTRODUCTION AND HYPOTHESIS: The gold standard for quantifying pelvic organ prolapse is the pelvic organ prolapse quantification (POP-Q) system; however, upright magnetic resonance imaging (MRI) is a promising new method. The objective of this study was to determine the correlation between POP-Q and MRI measurements of the bladder and cervix. METHODS: This prospective study included patients with prolapse in whom POP-Q points Aa or Ba and C were measured as standard care. MRI scans were performed in an upright position, and the distances of the lowest points of the bladder and cervix to the Pelvic Inclination Correction System (PICS) were calculated. Correlations between POP-Q and MRI-PICS measurements were determined using the Pearson correlation coefficient for normally distributed data and the Spearman's rank correlation coefficient for non-normally distributed data. RESULTS: A total of 63 patients were suitable for analysis. There was a moderate positive correlation between the POP-Q and MRI-PICS measurements for bladder (r(61) = 0.480, r < 0.001) and uterus (r(61) = 0.527, p < 0.001). Measurement differences between POP-Q and MRI-PICS of the bladder and uterus vary from -3.2 cm to 7.1 cm, and from -2.1 cm to 8.5 cm respectively. In 71.4% of patients more descent was seen on upright MRI than with POP-Q measurement for both bladder and uterus. For patients with similar POP-Q measurements, a high variation in MRI measurements of the bladder and uterus was found. CONCLUSION: Despite a moderate positive correlation, upright MRI shows a larger POP extent in 71.4% of the patients than POP-Q. A high variation in MRI measurements for patients with the same POP-Q measurement was seen.
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BACKGROUND & AIMS: Previous randomized trials, including the Transluminal Endoscopic Step-Up Approach Versus Minimally Invasive Surgical Step-Up Approach in Patients With Infected Pancreatic Necrosis (TENSION) trial, demonstrated that the endoscopic step-up approach might be preferred over the surgical step-up approach in patients with infected necrotizing pancreatitis based on favorable short-term outcomes. We compared long-term clinical outcomes of both step-up approaches after a period of at least 5 years. METHODS: In this long-term follow-up study, we reevaluated all clinical data on 83 patients (of the originally 98 included patients) from the TENSION trial who were still alive after the initial 6-month follow-up. The primary end point, similar to the TENSION trial, was a composite of death and major complications. Secondary end points included individual major complications, pancreaticocutaneous fistula, reinterventions, pancreatic insufficiency, and quality of life. RESULTS: After a mean follow-up period of 7 years, the primary end point occurred in 27 patients (53%) in the endoscopy group and in 27 patients (57%) in the surgery group (risk ratio [RR], 0.93; 95% confidence interval [CI], 0.65-1.32; P = .688). Fewer pancreaticocutaneous fistulas were identified in the endoscopy group (8% vs 34%; RR, 0.23; 95% CI, 0.08-0.83). After the initial 6-month follow-up, the endoscopy group needed fewer reinterventions than the surgery group (7% vs 24%; RR, 0.29; 95% CI, 0.09-0.99). Pancreatic insufficiency and quality of life did not differ between groups. CONCLUSIONS: At long-term follow-up, the endoscopic step-up approach was not superior to the surgical step-up approach in reducing death or major complications in patients with infected necrotizing pancreatitis. However, patients assigned to the endoscopic approach developed overall fewer pancreaticocutaneous fistulas and needed fewer reinterventions after the initial 6-month follow-up. Netherlands Trial Register no: NL8571.
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Insuficiencia Pancreática Exocrina , Pancreatitis Aguda Necrotizante , Drenaje , Endoscopía Gastrointestinal , Estudios de Seguimiento , Humanos , Pancreatitis Aguda Necrotizante/complicaciones , Pancreatitis Aguda Necrotizante/diagnóstico , Pancreatitis Aguda Necrotizante/cirugía , Calidad de Vida , Resultado del TratamientoRESUMEN
BACKGROUND: Acute resection for left-sided obstructive colon carcinoma is thought to be associated with a higher mortality risk than a bridge-to-surgery approach using decompressing stoma or self-expandable metal stent, but prediction models are lacking. OBJECTIVE: This study aimed to determine the influence of treatment strategy on mortality within 90 days from the first intervention in patients presenting with left-sided obstructive colon carcinoma. DESIGN: This was a national multicenter cohort study that used data from a prospective national audit. SETTINGS: The study was performed in 75 Dutch hospitals. PATIENTS: Patients were included if they underwent resection with curative intent for left-sided obstructive colon carcinoma between 2009 and 2016. INTERVENTIONS: First intervention was either acute resection, bridge to surgery with self-expandable metallic stent, or bridge to surgery with decompressing stoma. MAIN OUTCOME MEASURES: The main outcome measure was 90-day mortality after the first intervention. Risk factors were identified using multivariable logistic analysis. Subsequently, a risk model was developed. RESULTS: In total, 2395 patients were included, with the first intervention consisting of acute resection in 1848 patients (77%), stoma as bridge to surgery in 332 patients (14%), and stent as bridge to surgery in 215 patients (9%). Overall, 152 patients (6.3%) died within 90 days from the first intervention. A decompressing stoma was independently associated with lower 90-day mortality risk (HR, 0.27; 95% CI, 0.094-0.62). Other independent predictors for mortality were age, ASA classification, tumor location, and index levels of serum creatinine and C-reactive protein. The constructed risk model had an area under the curve of 0.84 (95% CI, 0.81-0.87). LIMITATIONS: Only patients who underwent surgical resection were included. CONCLUSIONS: Treatment strategy had a significant impact on 90-day mortality. A decompressing stoma considerably lowers the risk of mortality, especially in older and frail patients. The developed risk model needs further external validation. See Video Abstract at http://links.lww.com/DCR/B975 .PREDICCIÓN DE LA MORTALIDAD A 90 DÍAS POSTERIORES A LA PRIMERA CIRUGÍA EN PACIENTES CON CÁNCER DE COLON OBSTRUCTIVO DEL LADO IZQUIERDOANTECEDENTES:Se cree que la resección aguda para el carcinoma de colon obstructivo del lado izquierdo está asociada con un mayor riesgo de mortalidad que un enfoque puente a la cirugía que utiliza un estoma de descompresión o un stent metálico autoexpandible, pero faltan modelos de predicción.OBJETIVO:Determinar la influencia de la estrategia de tratamiento sobre la mortalidad dentro de los 90 días desde la primera intervención utilizando un modelo de predicción en pacientes que presentan carcinoma de colon obstructivo del lado izquierdo.DISEÑO:Un estudio de cohorte multicéntrico nacional, utilizando datos de una auditoría nacional prospectiva.ENTORNO CLINICO:El estudio se realizó en 75 hospitales holandeses.PACIENTES:Se incluyeron los pacientes que se sometieron a una resección con intención curativa de un carcinoma de colon obstructivo del lado izquierdo entre 2009 y 2016.INTERVENCIONES:La primera intervención fue resección aguda, puente a cirugía con stent metálico autoexpandible o puente a cirugía con estoma descompresor.PRINCIPALES MEDIDAS DE VALORACIÓN:La principal medida de resultado fue la mortalidad a los 90 días después de la primera intervención. Los factores de riesgo se identificaron mediante análisis logístico multivariable. Posteriormente se desarrolló un modelo de riesgo.RESULTADOS:En total se incluyeron 2395 pacientes, siendo la primera intervención resección aguda en 1848 (77%) pacientes, estoma como puente a la cirugía en 332 (14%) pacientes y stent como puente a la cirugía en 215 (9%) pacientes. En general, 152 pacientes (6,3%) fallecieron dentro de los 90 días posteriores a la primera intervención. Un estoma de descompresión se asoció de forma independiente con un menor riesgo de mortalidad a los 90 días (HR: 0,27, IC: 0,094-0,62). Otros predictores independientes de mortalidad fueron la edad, la clasificación ASA, la ubicación del tumor y los niveles índice de creatinina sérica y proteína C reactiva. El modelo de riesgo construido tuvo un área bajo la curva de 0,84 (IC: 0,81-0,87).LIMITACIONES:Solo se incluyeron pacientes que se sometieron a resección quirúrgica.CONCLUSIONES:La estrategia de tratamiento tuvo un impacto significativo en la mortalidad a los 90 días. Un estoma descompresor reduce considerablemente el riesgo de mortalidad, especialmente en pacientes mayores y frágiles. Se desarrolló un modelo de riesgo, que necesita una mayor validación externa. Consulte Video Resumen en http://links.lww.com/DCR/B975 . (Traducción-Dr. Ingrid Melo ).
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Carcinoma , Neoplasias del Colon , Obstrucción Intestinal , Humanos , Anciano , Estudios de Cohortes , Estudios Prospectivos , Obstrucción Intestinal/etiología , Obstrucción Intestinal/cirugía , Neoplasias del Colon/patología , Carcinoma/complicaciones , Estudios RetrospectivosRESUMEN
BACKGROUND: The role of laparoscopy for emergency resection of left-sided obstructive colon cancer remains unclear, especially regarding impact on survival. OBJECTIVE: This study aimed to determine short- and long-term outcomes after laparoscopic versus open emergency resection of left-sided obstructive colon cancer. DESIGN: This observational cohort study compared patients who underwent laparoscopic emergency resection to those who underwent open emergency resection between 2009 and 2016 by using 1:3 propensity-score matching. Matching variables included sex, age, BMI, ASA score, previous abdominal surgery, tumor location, cT4, cM1, multivisceral resection, small-bowel distention on CT, and subtotal colectomy. SETTING: This was a nationwide, population-based study. PATIENTS: Of 2002 eligible patients with left-sided obstructive colon cancer, 158 patients who underwent laparoscopic emergency resection were matched with 474 patients who underwent open emergency resection. INTERVENTIONS: The intervention was laparoscopic versus open emergency resection. MAIN OUTCOME MEASURES: The main outcome measures were 90-day mortality, 90-day complications, permanent stoma, disease recurrence, overall survival, and disease-free survival. RESULTS: Intentional laparoscopy resulted in significantly fewer 90-day complications (26.6% vs 38.4%; conditional OR, 0.59; 95% CI, 0.39-0.87) and similar 90-day mortality. Laparoscopy resulted in better 3-year overall survival (81.0% vs 69.4%; HR, 0.54; 95% CI, 0.37-0.79) and disease-free survival (68.3% vs 52.3%; HR, 0.64; 95% CI, 0.47-0.87). Multivariable regression analyses of the unmatched 2002 patients confirmed an independent association of laparoscopy with fewer 90-day complications and better 3-year survival. LIMITATIONS: Selection bias was the limitation that cannot be completely ruled out because of the retrospective nature of this study. CONCLUSIONS: This population-based study with propensity score-matched analysis suggests that intentional laparoscopic emergency resection might improve outcomes in patients with left-sided obstructive colon cancer compared to open emergency resection. Management of those patients in the emergency setting requires proper selection for intentional laparoscopic resection if relevant expertise is available, thereby considering other alternatives to avoid open emergency resection (ie, decompressing stoma). See Video Abstract at http://links.lww.com/DCR/B972 . RESULTADOS A CORTO Y LARGO PLAZO DESPUS DE LA RESECCIN LAPAROSCPICA DE EMERGENCIA EN CNCER DE COLON IZQUIERDO OBSTRUCTIVO UN ANLISIS EMPAREJADO POR PUNTAJE DE PROPENSIN A NIVEL NACIONAL: ANTECEDENTES:El papel de la laparoscopia en la resección de emergencia en cáncer de colon izquierdo obstructivo sigue sin estar claro, especialmente con respecto al impacto en la supervivencia.OBJETIVO:El objetivo de este estudio fue determinar los resultados a corto y largo plazo después de la resección de emergencia laparoscópica versus abierta en cáncer de colon izquierdo obstructivo.DISEÑO:Estudio observacional de cohortes comparó pacientes que se sometieron a resección de laparoscópica de emergencia versus resección abierta de emergencia entre 2009 y 2016, mediante el uso de emparejamineto por puntaje de propensión 1: 3. Las variables emparejadas incluyeron sexo, edad, IMC, puntaje ASA, cirugía abdominal previa, ubicación del tumor, cT4, cM1, resección multivisceral, distensión del intestino delgado en la TAC y colectomía subtotal.ENTORNO CLINICO:A nivel nacional, basado en la población.PACIENTES:De 2002 pacientes elegibles con cáncer de colon izquierdo obstructivo, 158 pacientes con resección laparoscópica s de emergencia e emparejaron con 474 pacientes con resección abierta de emergencia.INTERVENCIONES:Resección laparoscópica de emergencia versus abierta.PRINCIPALES MEDIDAS DE RESULTADO:Las medidas primarias fueron la mortalidad a 90 días, complicaciones a 90 días, estoma permanente, recurrencia de la enfermedad, supervivencia general y supervivencia libre de enfermedad.RESULTADOS:La laparoscopia intencional dió como resultado significativamente menos complicaciones a los 90 días (26,6 % vs 38,4 %, cOR 0,59, IC del 95 %: 0,39-0,87) y una mortalidad similar a los 90 días. La laparoscopia resultó en una mejor supervivencia general a los 3 años (81,0 % vs 69,4 %, HR 0,54, IC del 95 % 0,37-0,79) y supervivencia libre de enfermedad (68,3 % vs 52,3 %, HR 0,64, IC del 95 % 0,47-0,87). Los análisis de regresión multivariable de los 2002 pacientes no emparejados confirmaron una asociación independiente de la laparoscopia con menos complicaciones a los 90 días y una mejor supervivencia a los 3 años.LIMITACIONES:El sesgo de selección no se puede descartar por completo debido a la naturaleza retrospectiva de este estudio.CONCLUSIONES:Estudio poblacional con análisis emparejado por puntaje de propensión sugiere que la resección laparoscópica de emergencia intencional podría mejorar los resultados a corto y largo plazo en pacientes con cáncer de colon izquierdo obstructivo en comparación con resección abierta de emergencia, lo que justifica la confirmación en estudios futuros. El manejo de esos pacientes en el entorno de emergencia requiere una selección adecuada para la resección laparoscópica intencional si se dispone de experiencia relevante, considerando así otras alternativas para evitar la resección abierta de emergencia (es decir, ostomia descompresiva). Consulte Video Resumen en http://links.lww.com/DCR/B972 . (Traducción- Dr. Francisco M. Abarca-Rendon & Dr. Fidel Ruiz Healy).
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Neoplasias del Colon , Laparoscopía , Humanos , Estudios Retrospectivos , Puntaje de Propensión , Recurrencia Local de Neoplasia/cirugía , Neoplasias del Colon/cirugía , Laparoscopía/métodosRESUMEN
BACKGROUND: The sole presence of deep submucosal invasion is shown to be associated with a limited risk of lymph node metastasis. This justifies a local excision of suspected deep submucosal invasive colon carcinomas (T1 CCs) as a first step treatment strategy. Recently Colonoscopy-Assisted Laparoscopic Wedge Resection (CAL-WR) has been shown to be able to resect pT1 CRCs with a high R0 resection rate, but the long term outcomes are lacking. The aim of this study is to evaluate the safety, effectiveness and long-term oncological outcomes of CAL-WR as primary treatment for patients with suspected superficial and also deeply-invasive T1 CCs. METHODS: In this prospective multicenter clinical trial, patients with a macroscopic and/or histologically suspected T1 CCs will receive CAL-WR as primary treatment in order to prevent unnecessary major surgery for low-risk T1 CCs. To make a CAL-WR technically feasible, the tumor may not include > 50% of the circumference and has to be localized at least 25 cm proximal from the anus. Also, there should be sufficient distance to the ileocecal valve to place a linear stapler. Before inclusion, all eligible patients will be assessed by an expert panel to confirm suspicion of T1 CC, estimate invasion depth and subsequent advise which local resection techniques are possible for removal of the lesion. The primary outcome of this study is the proportion of patients with pT1 CC that is curatively treated with CAL-WR only and in whom thus organ-preservation could be achieved. Secondary outcomes are 1) CAL-WR's technical success and R0 resection rate for T1 CC, 2) procedure-related morbidity and mortality, 3) 5-year overall and disease free survival, 4) 3-year metastasis free survival, 5) procedure-related costs and 6) impact on quality of life. A sample size of 143 patients was calculated. DISCUSSION: CAL-WR is a full-thickness local resection technique that could also be effective in removing pT1 colon cancer. With the lack of current endoscopic local resection techniques for > 15 mm pT1 CCs with deep submucosal invasion, CAL-WR could fill the gap between endoscopy and major oncologic surgery. The present study is the first to provide insight in the long-term oncological outcomes of CAL-WR. TRIAL REGISTRATION: CCMO register (ToetsingOnline), NL81497.075.22, protocol version 2.3 (October 2022).
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Carcinoma , Neoplasias del Colon , Neoplasias Colorrectales , Humanos , Calidad de Vida , Estudios Prospectivos , Neoplasias del Colon/cirugía , Colonoscopía , Endoscopía Gastrointestinal , Resultado del Tratamiento , Neoplasias Colorrectales/patología , Estudios Retrospectivos , Estudios Multicéntricos como AsuntoRESUMEN
AIM: A prolonged interval (>4 weeks) between short-course radiotherapy (25 Gy in five fractions) (SCRT-delay) and total mesorectal excision for rectal cancer has been associated with a decreased postoperative complication rate and offers the possibility of organ preservation in the case of a complete tumour response. This prospective cohort study systematically evaluated patient-reported bowel dysfunction and physician-reported radiation-induced toxicity for 8 weeks following SCRT-delay. METHOD: Patients who were referred for SCRT-delay for intermediate risk, oligometastatic or locally advanced rectal cancer were included. Repeated measurements were done for patient-reported bowel dysfunction (measured by the low anterior resection syndrome [LARS] questionnaire and categorized as no, minor or major LARS) and physician-reported radiation-induced toxicity (according to Common Terminology Criteria for Adverse Events version 4.0) before start of treatment (baseline), at completion of SCRT and 1, 2, 3, 4, 6 and 8 weeks thereafter. RESULTS: Fifty-one patients were included; 31 (61%) were men and the median age was 67 years (range 44-91). Patient-reported bowel dysfunction and physician-reported radiation-induced toxicity peaked at weeks 1-2 after completion of SCRT and gradually declined thereafter. Major LARS was reported by 44 patients (92%) at some time during SCRT-delay. Grade 3 radiation-induced toxicity was reported in 17 patients (33%) and concerned predominantly diarrhoea. No Grade 4-5 radiation-induced toxicity occurred. CONCLUSION: During SCRT-delay, almost every patient experiences temporary mild-moderate radiation-induced toxicity and major LARS, but life-threatening toxicity is rare. SCRT-delay is a safe alternative to SCRT-direct surgery that should be proposed when counselling rectal cancer patients on neoadjuvant strategies.
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Enfermedades Intestinales , Neoplasias del Recto , Masculino , Humanos , Adulto , Persona de Mediana Edad , Anciano , Anciano de 80 o más Años , Femenino , Neoplasias del Recto/radioterapia , Neoplasias del Recto/cirugía , Neoplasias del Recto/patología , Complicaciones Posoperatorias/etiología , Estudios Prospectivos , Recto/patología , Terapia Neoadyuvante/efectos adversos , Enfermedades Intestinales/etiologíaRESUMEN
BACKGROUND: Patients with cT1-2 colon cancer (CC) have a 10-20% risk of lymph node metastases. Sentinel lymph node identification (SLNi) could improve staging and reduce morbidity in future organ-preserving CC surgery. This pilot study aimed to assess safety and feasibility of robot-assisted fluorescence-guided SLNi using submucosally injected indocyanine green (ICG) in patients with cT1-2N0M0 CC. METHODS: Ten consecutive patients with cT1-2N0M0 CC were included in this prospective feasibility study. Intraoperative submucosal, peritumoral injection of ICG was performed during a colonoscopy. Subsequently, the near-infrared fluorescence 'Firefly' mode of the da Vinci Xi robotic surgical system was used for SLNi. SLNs were marked with a suture, after which a segmental colectomy was performed. The SLN was postoperatively ultrastaged using serial slicing and immunohistochemistry, in addition to the standard pathological examination of the specimen. Colonoscopy time, detection time (time from ICG injection to first SLNi), and total SLNi time were measured (time from the start of colonoscopy to start of segmental resection). Intraoperative, postoperative, and pathological outcomes were registered. RESULTS: In all patients, at least one SLN was identified (mean 2.3 SLNs, SLN diameter range 1-13 mm). No tracer-related adverse events were noted. Median colonoscopy time was 12 min, detection time was 6 min, and total SLNi time was 30.5 min. Two patients had lymph node metastases present in the SLN, and there were no patients with false negative SLNs. No patient was upstaged due to ultrastaging of the SLN after an initial negative standard pathological examination. Half of the patients unexpectedly had pT3 tumours. CONCLUSIONS: Robot-assisted fluorescence-guided SLNi using submucosally injected ICG in ten patients with cT1-2N0M0 CC was safe and feasible. SLNi was performed in an acceptable timespan and SLNs down to 1 mm were detected. All lymph node metastases would have been detected if SLN biopsy had been performed.
Asunto(s)
Neoplasias del Colon , Linfadenopatía , Robótica , Ganglio Linfático Centinela , Humanos , Ganglio Linfático Centinela/cirugía , Ganglio Linfático Centinela/patología , Metástasis Linfática/patología , Biopsia del Ganglio Linfático Centinela , Estudios Prospectivos , Proyectos Piloto , Estadificación de Neoplasias , Colorantes , Verde de Indocianina , Neoplasias del Colon/cirugía , Neoplasias del Colon/patología , Linfadenopatía/patología , Ganglios Linfáticos/patologíaRESUMEN
BACKGROUND: The role of diverting ileostomy in total mesorectal excision (TME) for rectal cancer with primary anastomosis is debated. The aim of this study is to gain insight in the clinical consequences of a diverting ileostomy, with respect to stoma rate at one year and stoma-related morbidity. METHODS: Patients undergoing TME with primary anastomosis for rectal cancer between 2015 and 2017 in eleven participating hospitals were included. Retrospectively, two groups were compared: patients with or without diverting ileostomy construction during primary surgery. Primary endpoint was stoma rate at one year. Secondary endpoints were severity and rate of anastomotic leakage, overall morbidity rate within thirty days and stoma (reversal) related morbidity. RESULTS: In 353 out of 595 patients (59.3%) a diverting ileostomy was constructed during primary surgery. Stoma rate at one year was 9.9% in the non-ileostomy group and 18.7% in the ileostomy group (p = 0.003). After correction for confounders, multivariate analysis showed that the construction of a diverting ileostomy during primary surgery was an independent risk factor for stoma at one year (OR 2.563 (95%CI 1.424-4.611), p = 0.002). Anastomotic leakage rate was 17.8% in the non-ileostomy group and 17.2% in the ileostomy group (p = 0.913). Overall 30-days morbidity rate was 37.6% in the non-ileostomy group and 56.1% in the ileostomy group (p < 0.001). Stoma reversal related morbidity rate was 17.9%. CONCLUSIONS: The stoma rate at one year was higher in patients with ileostomy construction during primary surgery. The incidence and severity of anastomotic leakage were not reduced by construction of an ileostomy. The morbidity related to the presence and reversal of a diverting ileostomy was substantial.
Asunto(s)
Fuga Anastomótica , Neoplasias del Recto , Humanos , Fuga Anastomótica/epidemiología , Fuga Anastomótica/etiología , Fuga Anastomótica/cirugía , Estudios Retrospectivos , Neoplasias del Recto/cirugía , Neoplasias del Recto/complicaciones , Anastomosis Quirúrgica/efectos adversos , Anastomosis Quirúrgica/métodos , Ileostomía/métodos , Complicaciones Posoperatorias/epidemiología , Complicaciones Posoperatorias/etiología , Complicaciones Posoperatorias/cirugíaRESUMEN
BACKGROUND: Robotic surgery has gained popularity for the reconstruction of pelvic floor defects. Nonetheless, there is no evidence that robot-assisted reconstructive surgery is either appropriate or superior to standard laparoscopy for the performance of pelvic floor reconstructive procedures or that it is sustainable. The aim of this project was to address the proper role of robotic pelvic floor reconstructive procedures using expert opinion. METHODS: We set up an international, multidisciplinary group of 26 experts to participate in a Delphi process on robotics as applied to pelvic floor reconstructive surgery. The group comprised urogynecologists, urologists, and colorectal surgeons with long-term experience in the performance of pelvic floor reconstructive procedures and with the use of the robot, who were identified primarily based on peer-reviewed publications. Two rounds of the Delphi process were conducted. The first included 63 statements pertaining to surgeons' characteristics, general questions, indications, surgical technique, and future-oriented questions. A second round including 20 statements was used to reassess those statements where borderline agreement was obtained during the first round. The final step consisted of a face-to-face meeting with all participants to present and discuss the results of the analysis. RESULTS: The 26 experts agreed that robotics is a suitable indication for pelvic floor reconstructive surgery because of the significant technical advantages that it confers relative to standard laparoscopy. Experts considered these advantages particularly important for the execution of complex reconstructive procedures, although the benefits can be found also during less challenging cases. The experts considered the robot safe and effective for pelvic floor reconstruction and generally thought that the additional costs are offset by the increased surgical efficacy. CONCLUSION: Robotics is a suitable choice for pelvic reconstruction, but this Delphi initiative calls for more research to objectively assess the specific settings where robotic surgery would provide the most benefit.
Asunto(s)
Laparoscopía , Procedimientos Quirúrgicos Robotizados , Robótica , Cirugía Plástica , Humanos , Diafragma Pélvico/cirugía , Técnica Delphi , Procedimientos Quirúrgicos Robotizados/métodos , Laparoscopía/métodosRESUMEN
BACKGROUND: The superiority of robot-assisted over laparoscopic total mesorectal excision has not been proven. Most studies do not consider the learning curve while comparing the surgical technique. OBJECTIVE: This study aims to compare laparoscopic with robot-assisted total mesorectal excision performed by surgeons who completed the learning curve of the technique. DESIGN: This is a multicenter retrospective propensity score-matched analysis. SETTINGS: The study was performed in 2 large, dedicated robot-assisted hospitals and 5 large, dedicated laparoscopic hospitals. PATIENTS: Patients were included if they underwent a robot-assisted or laparoscopic total mesorectal excision for rectal cancer with curative intent at a dedicated center for the minimally invasive technique between January 1, 2015, and December 31, 2017. INTERVENTIONS: We compared robot-assisted with laparoscopic total mesorectal excision. MAIN OUTCOME MEASURES: The main outcome was conversion to laparotomy during surgery. Secondary outcomes were postoperative morbidity and positive circumferential resection margin. RESULTS: A total of 884 patients were included and, after matching, 315 patients per treatment group remained. Conversion was similar between laparoscopic and robot-assisted total mesorectal excision (4.4% vs 2.5% (p = 0.20)). Positive circumferential resection margin was equal (3.2% vs 4.4% (p = 0.41)). Overall morbidity was comparable as well, although a lower rate of wound infections was observed in the robot-assisted group (5.7% vs 1.9% (p = 0.01)). More primary anastomoses were constructed in the robot-assisted group (50.8% vs 68.3% (p < 0.001)). Finally, more open procedures were performed in dedicated laparoscopic centers, with an overrepresentation of cT4N+ tumors in this group. LIMITATIONS: This is a retrospective multicenter cohort; however, propensity score matching was applied to control for confounding by indication. CONCLUSIONS: Robot-assisted and laparoscopic total mesorectal excision are equally safe in terms of short-term outcomes. However, with the robot-assisted approach, more primary anastomoses were constructed, and a lower wound infection rate was observed. See Video Abstract at http://links.lww.com/DCR/B677.ESCISIÓN MESORRECTAL TOTAL ASISTIDA POR ROBOT VERSUS ESCISIÓN MESORRECTAL TOTAL LAPAROSCÓPICA: UNA PUNTUACIÓN DE PROPENSIÓN RETROSPECTIVA ANÁLISIS DE COHORTES EMPAREJADAS EN CENTROS EXPERIMENTADOS. ANTECEDENTES: No se ha demostrado la superioridad de la escisión mesorrectal total asistida por robot sobre la laparoscópica. La mayoría de los estudios no tienen en cuenta la curva de aprendizaje al comparar la técnica quirúrgica. OBJETIVO: Este estudio tiene como objetivo comparar la escisión mesorrectal total laparoscópica con la asistida por robot realizada por cirujanos que completaron la curva de aprendizaje de la técnica. DISEO: Este es un análisis multicéntrico retrospectivo emparejado por puntuación de propensión. AJUSTES: El estudio se realizó en dos grandes hospitales dedicados asistidos por robots y cinco grandes hospitales laparoscópicos dedicados. PACIENTES: Se incluyeron pacientes que se sometieron a escisión mesorrectal total asistida por robot o laparoscópica para cáncer de recto con intención curativa, en un centro dedicado a la técnica mínimamente invasiva entre el 1 de enero de 2015 y el 31 de diciembre de 2017. INTERVENCIONES: Comparamos la escisión mesorrectal total asistida por robot con la laparoscópica. PRINCIPALES MEDIDAS DE RESULTADO: El principal resultado fue la conversión a laparotomía durante la cirugía. Los resultados secundarios fueron la morbilidad posoperatoria y el margen circunferencial positivo. RESULTADOS: Se incluyó a un total de 884 pacientes y, después de emparejar, quedaron 315 pacientes por grupo de tratamiento. La conversión fue similar entre la escisión mesorrectal total laparoscópica y asistida por robot (4,4% frente a 2,5% [p = 0,20]). El margen de resección circunferencial positivo fue igual (3,2% vs 4,4% [p = 0,41]). La morbilidad general también fue comparable, aunque se observó una menor tasa de infecciones de heridas en el grupo asistido por robot (5,7% frente a 1,9% [p = 0,01]). Se construyeron más anastomosis primarias en el grupo asistido por robot (50,8% frente a 68,3% [p < 0,001]). Finalmente, se realizaron procedimientos más abiertos en centros laparoscópicos dedicados, con una sobrerrepresentación de tumores cT4N + en este grupo. LIMITACIONES: Ésta es una cohorte multicéntrica retrospectiva; sin embargo, se aplicó el emparejamiento por puntuación de propensión para controlar los factores de confusión por indicación. CONCLUSIONES: La escisión mesorrectal total asistida por robot y laparoscópica son igualmente seguras en términos de resultados a corto plazo. Sin embargo, con el abordaje asistido por robot, se construyeron más anastomosis primarias y se observó una menor tasa de infección de la herida. Consulte Video Resumen en http://links.lww.com/DCR/B677. (Traducción-Dr. Gonzalo Hagerman).
Asunto(s)
Adenocarcinoma/cirugía , Laparoscopía/efectos adversos , Complicaciones Posoperatorias/epidemiología , Proctectomía/efectos adversos , Neoplasias del Recto/cirugía , Procedimientos Quirúrgicos Robotizados/efectos adversos , Adenocarcinoma/mortalidad , Adenocarcinoma/patología , Anciano , Competencia Clínica , Femenino , Humanos , Masculino , Persona de Mediana Edad , Puntaje de Propensión , Neoplasias del Recto/mortalidad , Neoplasias del Recto/patología , Estudios RetrospectivosRESUMEN
BACKGROUND: The standard treatment of rectal carcinoma is surgical resection according to the total mesorectal excision principle, either by open, laparoscopic, robot-assisted or transanal technique. No clear consensus exists regarding the length of the learning curve for the minimal invasive techniques. This systematic review aims to provide an overview of the current literature regarding the learning curve of minimal invasive TME. METHODS: A systematic literature search was performed. PubMed, Embase and Cochrane Library were searched for studies with the primary or secondary aim to assess the learning curve of either laparoscopic, robot-assisted or transanal TME for rectal cancer. The primary outcome was length of the learning curve per minimal invasive technique. Descriptive statistics were used to present results and the MINORS tool was used to assess risk of bias. RESULTS: 45 studies, with 7562 patients, were included in this systematic review. Length of the learning curve based on intraoperative complications, postoperative complications, pathological outcomes, or a composite endpoint using a risk-adjusted CUSUM analysis was 50 procedures for the laparoscopic technique, 32-75 procedures for the robot-assisted technique and 36-54 procedures for the transanal technique. Due to the low quality of studies and a high level of heterogeneity a meta-analysis could not be performed. Heterogeneity was caused by patient-related factors, surgeon-related factors and differences in statistical methods. CONCLUSION: Current high-quality literature regarding length of the learning curve of minimal invasive TME techniques is scarce. Available literature suggests equal lengths of the learning curves of laparoscopic, robot-assisted and transanal TME. Well-designed studies, using adequate statistical methods are required to properly assess the learning curve, while taking into account patient-related and surgeon-related factors.
Asunto(s)
Laparoscopía , Neoplasias del Recto , Robótica , Cirugía Endoscópica Transanal , Humanos , Laparoscopía/métodos , Curva de Aprendizaje , Complicaciones Posoperatorias/epidemiología , Complicaciones Posoperatorias/etiología , Complicaciones Posoperatorias/cirugía , Neoplasias del Recto/patología , Recto/patología , Recto/cirugía , Cirugía Endoscópica Transanal/métodos , Resultado del TratamientoRESUMEN
BACKGROUND: The current standard treatment for external rectal prolapse and symptomatic high-grade internal rectal prolapse is surgical correction with minimally invasive ventral mesh rectopexy using either laparoscopy or robotic assistance. This study examines the number of procedures needed to complete the learning curve for robot-assisted ventral mesh rectopexy (RVMR) and reach adequate performance. METHODS: A retrospective analysis of all primary RVMR from 2011 to 2019 performed in a tertiary pelvic floor clinic by two colorectal surgeons (A and B) was performed. Both surgeons had previous experience with laparoscopic rectopexy, but no robotic experience. Skin-to-skin operating times (OT) were assessed using LC-CUSUM analyses. Intraoperative and postoperative complications were analyzed using CUSUM analyses. RESULTS: A total of 182 (surgeon A) and 91 (surgeon B) RVMRs were performed in total. There were no relevant differences in patient characteristics between the two surgeons. Median OT was 75 min (range 46-155; surgeon A) and 90 min (range 63-139; surgeon B). The learning curve regarding OT was completed after 36 procedures for surgeon A and 55 procedures for surgeon B. Both before and after completion of the learning curve, intraoperative and postoperative complication rates remained below a predefined acceptable level of performance. CONCLUSIONS: 36 to 55 procedures are required to complete the learning curve for RVMR. The implementation of robotic surgery does not inflict any additional risks on patients at the beginning of a surgeon's learning curve.
Asunto(s)
Laparoscopía , Prolapso Rectal , Procedimientos Quirúrgicos Robotizados , Robótica , Humanos , Laparoscopía/métodos , Curva de Aprendizaje , Prolapso Rectal/complicaciones , Prolapso Rectal/cirugía , Estudios Retrospectivos , Procedimientos Quirúrgicos Robotizados/efectos adversos , Procedimientos Quirúrgicos Robotizados/métodos , Mallas Quirúrgicas , Resultado del TratamientoRESUMEN
BACKGROUND: This study aimed to compare laparoscopic lavage and sigmoidectomy as treatment for perforated diverticulitis with purulent peritonitis during a 36 month follow-up of the LOLA trial. METHODS: Within the LOLA arm of the international, multicentre LADIES trial, patients with perforated diverticulitis with purulent peritonitis were randomised between laparoscopic lavage and sigmoidectomy. Outcomes were collected up to 36 months. The primary outcome of the present study was cumulative morbidity and mortality. Secondary outcomes included reoperations (including stoma reversals), stoma rates, and sigmoidectomy rates in the lavage group. RESULTS: Long-term follow-up was recorded in 77 of the 88 originally included patients, 39 were randomised to sigmoidectomy (51%) and 38 to laparoscopic lavage (49%). After 36 months, overall cumulative morbidity (sigmoidectomy 28/39 (72%) versus lavage 32/38 (84%), p = 0·272) and mortality (sigmoidectomy 7/39 (18%) versus lavage 6/38 (16%), p = 1·000) did not differ. The number of patients who underwent a reoperation was significantly lower for lavage compared to sigmoidectomy (sigmoidectomy 27/39 (69%) versus lavage 17/38 (45%), p = 0·039). After 36 months, patients alive with stoma in situ was lower in the lavage group (proportion calculated from the Kaplan-Meier life table, sigmoidectomy 17% vs lavage 11%, log-rank p = 0·0268). Eventually, 17 of 38 (45%) patients allocated to lavage underwent sigmoidectomy. CONCLUSION: Long-term outcomes showed that laparoscopic lavage was associated with less patients who underwent reoperations and lower stoma rates in patients alive after 36 months compared to sigmoidectomy. No differences were found in terms of cumulative morbidity or mortality. Patient selection should be improved to reduce risk for short-term complications after which lavage could still be a valuable treatment option.
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Diverticulitis del Colon , Diverticulitis , Perforación Intestinal , Laparoscopía , Peritonitis , Diverticulitis/cirugía , Diverticulitis del Colon/complicaciones , Diverticulitis del Colon/cirugía , Estudios de Seguimiento , Humanos , Perforación Intestinal/complicaciones , Perforación Intestinal/cirugía , Laparoscopía/efectos adversos , Lavado Peritoneal/efectos adversos , Peritonitis/etiología , Peritonitis/cirugía , Resultado del TratamientoRESUMEN
AIM: With increasing follow-up of patients treated with minimally invasive ventral mesh rectopexy (VMR) more redo surgery can be expected for recurrent rectal prolapse, mesh erosion and pelvic pain. The aim of this study is to evaluate the 90-day morbidity of robot-assisted redo interventions. METHOD: All robot-assisted redo interventions after primary transabdominal repair of rectal prolapse between 2011 and 2019 were retrospectively analysed and compared with the results for patients after primary robot-assisted VMR during the same period. The redo interventions were divided into groups based on the indication for surgery (recurrent prolapse, mesh erosion, pelvic pain). Intraoperative complications and 90-day postoperative morbidity were evaluated. RESULTS: Three hundred and fifty nine patients were treated with primary VMR, with 73 for recurrent rectal prolapse, 12 for mesh erosion and 14 for pelvic pain. Complications of recurrent prolapse surgeries were comparable to those of primary VMR (p > 0.05). More intraoperative complications, minor and major complications were seen in redo surgery for erosion compared with primary VMR (23% vs. 3%, p = 0.01; 31% vs. 11%, p = 0.055; and 38% vs. 1%, p < 0.01 respectively). The frequency of intraoperative complications after redo surgery for pelvic pain was 7% with minor and major morbidity rates of 14% and 7% (p > 0.05). Half of the patients with pelvic pain experienced relief of their symptoms. CONCLUSION: Redo surgery for management of recurrent rectal prolapse is safe. Redo surgery for mesh erosion is associated with high morbidity rates. Redo surgery for pelvic pain can have major complications and is only effective in half of the cases.
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Laparoscopía , Prolapso Rectal , Robótica , Humanos , Morbilidad , Dolor Pélvico/etiología , Dolor Pélvico/cirugía , Complicaciones Posoperatorias/epidemiología , Complicaciones Posoperatorias/etiología , Prolapso Rectal/cirugía , Recto , Recurrencia , Estudios Retrospectivos , Mallas Quirúrgicas/efectos adversos , Centros de Atención Terciaria , Resultado del TratamientoRESUMEN
AIM: Controversies on therapeutic strategy for large bowel obstruction by primary colorectal cancer mainly concern acute conditions, being essentially different from subacute obstruction. Clearly defining acute obstruction is important for design and interpretation of studies as well as for guidelines and daily practice. This systematic review aimed to evaluate definitions of obstruction by colorectal cancer in prospective studies. METHOD: A systematic search was performed in PubMed, Embase and the Cochrane Library. Eligibility criteria included randomized or prospective observational design, publication between 2000 and 2019, and the inclusion of patients with an obstruction caused by colorectal cancer. Provided definitions of obstruction were extracted with assessment of common elements. RESULTS: A total of 16 randomized controlled trials (RCTs) and 99 prospective observational studies were included. Obstruction was specified as acute in 28 studies, complete/emergency in five, (sub)acute or similar terms in four and unspecified in 78. Five of 16 RCTs (31%) and 37 of 99 cohort studies (37%) provided a definition. The definitions included any combination of clinical symptoms, physical signs, endoscopic features and radiological imaging findings in 25 studies. The definition was only based on clinical symptoms in 11 and radiological imaging in six studies. Definitions included a radiological component in 100% of evaluable RCTs (5/5) vs. 54% of prospective observational studies (20/37, P = 0.07). CONCLUSION: In this systematic review, the majority of prospective studies did not define obstruction by colorectal cancer and its urgency, whereas provided definitions varied hugely. Radiological confirmation seems to be an essential component in defining acute obstruction.