Spectrophotometric Analysis of Apical Extrusion of Sodium Hypochlorite using Different Irrigation Protocols in an Ex Vivo Model of Immature Teeth.

OBJECTIVE: To evaluate the effect of different agitation methods on apical extrusion of 1.5% sodium hypochlorite (NaOCl) in an ex vivo model of immature teeth. METHODS: Sixty extracted human inferior incisors were prepared to simulate immature teeth and embedded in an artificial root socket made of silicone impression material. The teeth were then divided into four groups: Conventional needle irrigation (CNI) alone, CNI supplemented with Ultrasonic Irrigant Activation (UIA), EasyClean (EC), or XP-endo Finisher (XPF). Extruded NaOCl was collected, reacted with m-cresol purple, and its absorbance values were measured. The data were statistically analyzed using One-way analysis of variance with a significance level of 5%. RESULTS: All groups showed apically extruded irrigating solution, and the mean volumes of extruded NaOCl did not differ significantly between any of the test groups (p⟩0.05). CONCLUSION: The activation of 1.5% NaOCL by UIA, EC, or XPF as supplementary to CNI does not promote greater apical extrusion when compared to CNI alone in simulated immature teeth.

Metabolic acidemia due to saline absorption during transurethral and transcervical surgery: a report of 2 cases.

BACKGROUND: The development of endoscopic systems that include bipolar electrocautery has enabled the use of normal saline irrigation in transurethral or transcervical endoscopic surgery. However, excessive saline absorption can cause hyperchloremic metabolic acidosis. CASE PRESENTATION: Patient 1: A 76-year-old man was scheduled for transurethral resection of the prostate with saline irrigation. Approximately 140 min after the surgery, abdominal distension and cervical edema were observed. Abdominal ultrasound examination indicated a subhepatic hypoechoic lesion, which suggested extravasation of saline. Arterial blood gas analysis revealed hyperchloremic metabolic acidosis. The patient was extubated 2 h after the operation with no subsequent airway problems, and the electrolyte imbalance was gradually corrected. Patient 2: A 43-year-old woman was scheduled for transcervical resection of a uterine fibroid with saline irrigation. When the drape was removed after the operation was finished, notable upper extremity edema was observed. Arterial blood gas analysis revealed hyperchloremic metabolic acidosis. The patient's acidemia, electrolyte imbalance, and neck edema gradually resolved, and the patient was extubated 16 h after the operation without subsequent airway problems. CONCLUSIONS: Anesthesiologists should be aware of acidemia, cardiopulmonary complications, and airway obstruction caused by excessive saline absorption after saline irrigation in endoscopic surgery.

[Clinical efficacy of posterior femoral muscle flaps combined with posterior femoral cutaneous nerve nutrient vessel flap and closed lavage in the treatment of stage â £ ischial tuberosity pressure ulcers].

Objective: To explore the clinical efficacy of posterior femoral muscle flaps combined with posterior femoral cutaneous nerve nutrient vessel flap and closed lavage in the treatment of stage Ⅳ ischial tuberosity pressure ulcers. Methods: This study was a retrospective observational study. From March 2021 to March 2022, 15 patients with stage Ⅳ ischial tuberosity pressure ulcers who met the inclusion criteria were admitted to Dezhou Dongcheng Hospital, including 11 males and 4 females, aged 31 to 72 years. The pressure ulcer wound size ranged from 6.0 cm×4.5 cm to 10.0 cm×6.0 cm, with cavity diameters of 10-14 cm. Five cases were complicated with ischial tuberosity bone infection. After clearing the lesion, the biceps femoris long head muscle flap with an area of 10.0 cm×4.0 cm-18.0 cm×5.0 cm and the semitendinosus muscle flap with an area of 8.0 cm×4.0 cm-15.0 cm×5.0 cm combined with the posterior femoral cutaneous nerve nutrient vessel flap with an area of 6.5 cm×5.5 cm-10.5 cm×6.5 cm was transplanted to repair the pressure ulcer wound. The flap donor area was directly sutured, and the closed lavage with tubes inserted into the wound cavity was performed for 2-3 weeks. The postoperative survival of the muscle flaps and skin flaps, the wound healing of the donor and recipient areas were observed. The recurrence of pressure ulcers, the appearance and texture of flaps, and scar conditions of the donor and recipient areas were followed up. Results: All the muscle flaps and skin flaps in the 15 patients successfully survived after surgery. Two patients experienced incisional dehiscence at one week after surgery due to improper turning over, during which the incision in the recipient area was pressed on, and the wounds healed after dressing changes of 3 to 4 weeks; the wounds in the donor and recipient areas healed well in the other patients. All patients received follow-up after surgery. During the follow-up period of 6 to 12 months, none of the patients experienced pressure ulcer recurrence, and the texture, color, and thickness of the skin flaps closely resembled those of the surrounding skin at the recipient site, with only linear scar left in the donor and recipient areas. Conclusions: When using the posterior femoral muscle flaps combined with the posterior femoral cutaneous nerve nutrient vessel flap and closed lavage to treat stage Ⅳ ischial tuberosity pressure ulcers, the tissue flap can be used to fully fill in the dead space of the pressure ulcers. After treatment, the wound heals well, the appearance of the donor and recipient areas is better, and the pressure ulcers are less prone to reoccur.

Irrigation protocols effects on radicular dentin: Cleaning, disinfection and remaining ultrastructure / Efecto del protocolo de irrigación en la dentina radicular: limpieza, desinfección y ultraestructura remanente

A successful endodontic treatment requires a combination of satisfactory mechanical instrumentation, adequate irrigation protocols, and three-dimensional obturation of the canal system. Irrigation is considered the most critical procedure to ensure cleaning and disinfection. To date, a large variety of irrigants has been proposed. However, sodium hypochlorite (NaOCl) remains the gold standard. In order to achieve complete cleaning and disinfection, final irrigation with EDTA and ultrasonic devices has been used as an ideal protocol. Most endodontic research focuses on the cleaning and antibacterial properties of the irrigant solutions. Recent evidence demonstrated that the irrigation protocols cause erosion, affecting the radicular dentin ultrastructure. This article aims to describe the clinical features of the present knowledge concerning the effect of irrigation protocols on radicular dentin.

Un tratamiento de endodoncia exitoso requiere de una satisfactoria instrumentación mecánica, protocolos de irrigación adecuados y obturación tridimensional del sistema de conductos radiculares. La irrigación se considera el procedimiento más crítico para garantizar la limpieza y desinfección. Hasta la fecha, se ha propuesto una gran variedad de irrigantes. Sin embargo, el hipoclorito de sodio (NaOCl) sigue siendo el estándar de oro. Para lograr una limpieza y desinfección completa, se ha utilizado como protocolo ideal la irrigación final con EDTA y dispositivos ultrasónicos. La mayor parte de la investigación en endodoncia se enfoca en las propiedades antibacterianas y de limpieza de las soluciones de irrigación. Reciente evidencia demostró que los protocolos de irrigación provocan erosión, afectando la ultraestructura de la dentina radicular. Este artículo tiene como objetivo describir algunas consideraciones clínicas del conocimiento actual sobre el efecto de los protocolos de irrigación en la dentina radicular.

The Nasal Innate Immune Proteome After Saline Irrigation: A Pilot Study in Healthy Individuals.

BACKGROUND: Previous research has shown diminished nasal immune function following nasal saline irrigation (NSI), returning to baseline at 6 hours. The aim of this study was to examine the immune nasal proteome before and after 14 days of nasal irrigation. METHODS: Seventeen healthy volunteers received either isotonic (IsoSal) or low salt (LowNa) NSI. Nasal secretions were collected before and 30 min after NSI at baseline and again after 14 days. Specimens were analyzed using mass spectrometry to detect proteins of relevance to nasal immune function. RESULTS: One thousand eight hundred and sixty-five proteins were identified with significant changes in 71 proteins, of which 23 were identified as part of the innate immune system. Baseline analysis demonstrated an increase of 9 innate proteins after NSI, most after IsoSal. After 14 days, a greater increase in innate peptides was present, with most now in the LowNa group. When NSI solutions were compared, a significant increase in 4 innate proteins, including a 211% in lysozyme, was detected in the LowNa group. CONCLUSION: LowNa NSI demonstrates evidence of improving the innate immune secretions, especially lysozyme, in healthy volunteers.

Transanal irrigation to manage neurogenic bowel in the pediatric population with spina bifida: a scoping review.

OBJECTIVE: To map available scientific evidence about the pediatric population with spina bifida submitted to transanal irrigation to manage signs and symptoms of neurogenic bowel. SOURCE OF DATA: This research was developed according to recommendations from the Joanna Briggs Institute Reviewers' Manual and the PRISMA Extension for Scoping Reviews. Searches were carried out in the databases: CINAHL, Medline/Pubmed, Scielo, Scopus, Web of Science, Embase, LILACS, Proquest, and the CAPES catalog of theses and dissertations. Quantitative and qualitative studies on the topic were included, as long as they dealt with this population. There was no predetermined time frame. SUMMARY OF THE FINDINGS: The authors found 1.020 studies, selected 130 for close reading, and included 23 in the review, all of which had been published from 1989 to 2021. The authors mapped the characteristics of the studies, including their definitions of concepts and use of scales, criteria for the indication of transanal irrigation, training to carry out the procedure, devices and solutions used, number and frequency of transanal irrigations, health care actions, time spent, associated complications, complementary exams, adherence rate, follow-up, and outcomes, focusing on the benefits for bowel management. CONCLUSIONS: Despite the variability of evaluation parameters and term definitions, evidence suggests that transanal irrigation is a safe and effective method to manage fecal incontinence. Studies in the field are likely to grow, using standardized scales and longitudinal follow-ups. The authors suggest further research on transanal irrigation in the pediatric population with spina bifida in the Latin American context.

Development of a New Device for Postoperative Self-Irrigation of the Maxillary and Frontal Sinus.

OBJECTIVES: Nasal saline irrigation is the corner stone of postoperative care after functional endoscopic sinus surgery (FESS) for chronic rhinosinusitis (CRS). However, intrasinus penetration of the saline solution can be challenging and may require difficult head position, particularly for the frontal sinus. Our aim was to evaluate a novel device for direct intrasinus self-irrigation, usable at home for both maxillary and frontal sinus. METHODS: Thirty devices were implemented in 23 patients: in the maxillary sinus for 18 patients and in the frontal sinus for 5 patients. The device was removed after 7 days on average (5-10 days), and nasal saline irrigation was carried on with a squeeze bottle for 6 weeks. Retrospective evaluation of the device included: device-related complication, patient satisfaction, and ostial or middle turbinate synechiae at 3 months. RESULTS: No device-related complication (obstruction, displacement, infection, bleeding) occurred. Twenty-one (91.3%) patients were satisfied with the device. Two patients required the help of a nurse for irrigation. No ostial of middle turbinate synechiae was visualized at 3 months. This new endonasal device enables direct intrasinus self-irrigation after FESS for CRS. CONCLUSION: This preliminary study showed that this device is safe and easy to use. However, further investigations are required to assess its potential role to reduce the risk of synechiae and revision surgery.

Computational investigation of nasal surface coverage from squeeze bottle and Neti Pot saline irrigation flow.

BACKGROUND AND OBJECTIVE: Nasal saline irrigation is a common therapy for inflammatory nasal and paranasal disease or for managing post nasal and sinus surgery recovery. Two common irrigation devices include the netipot and squeeze bottles, where anecdotally, these devices alleviate congestion, facial pain, and pressure. However, a quantitative evaluation of these devices' performance and the fluid dynamics responsible for the irrigation distribution through the nose is lacking. This study tracked the liquid surface coverage and wall shear stresses during nasal saline irrigation produced from a Neti Pot and squeeze bottle. METHODS: This study used transient computational fluid dynamics (CFD) simulations to investigate the saline irrigation flow field in a subject-specific sinonasal model. The computational nasal cavity model was constructed from a high-resolution computed tomography scan (CT). The irrigation procedure applied a head position tilted at 90° forward using an 80 ml squeeze bottle and 120 ml Neti Pot. RESULTS: The results from a single sinonasal model demonstrated that the Neti Pot irrigation was more effective in delivering saline solution to the nasal cavity on the contralateral side of irrigation due to typically larger volumes but at the expense of reduced flow and shearing rates, as the flow entered under gravitational forces. The squeeze bottle irrigation provided greater surface coverage on the side of irrigation. CONCLUSIONS: The results from the single patient model, demonstrated the Neti Pot increased surface coverage in the paranasal sinuses. Reducing the jet diameter may aid the direct targeting of a specific region at the side of irrigation by preventing the impingement of the jet to the nasal passage surface and redirection of the flow. Evaluating this performance across a wider cohort of patients can strengthen the findings.

Efficacy and Clinical Value of Negative-Pressure Wound Therapy with Instillation (NPWTi) of Compound Phellodendron Liquid in the Treatment of Diabetic Foot Ulcer: A Prospective Cohort Study.

Objective: To evaluate the efficacy and application value of compound Phellodendron liquid (CPL) for negative-pressure wound therapy with instillation (NPWTi) in the treatment of diabetic foot ulcers by observing the improvement of diabetic foot ulcers. Methods: Sixty patients with diabetic foot ulcers who met the inclusion criteria were admitted to the Department of Peripheral Blood Vessels (Wound Repair) of Chongqing Hospital of Traditional Chinese Medicine from August 2020 to August 2021. The random number table method divided it into the CPL NPWTi group and normal saline NPWTi group, with 30 cases in each group. The experimental group adopted FufangHuangbaiye for NPWTi, and the control group used normal saline for NPWTi. The treatment effect was evaluated by baseline index, wound healing observation index, inflammatory factor index, pain scores during dressing change, and the number of days in hospital. Results: After 10 days of treatment, the symptom integration, procalcitonin (PCT), and C reactive protein (CRP) of the CPL NPWTi group were significantly reduced compared with the normal saline NPWTi group, while there was no obvious difference between wound area and erythrocyte sedimentation rate (ESR). The wound area, symptom integral, PCT, ESR, and CRP of the CPL NPWTi group were significantly reduced compared with the normal saline NPWTi group after treatment for 20 days and 30 days. The positive proportion of bacterial culture in the CPL NPWTi group was significantly reduced compared with the normal saline NPWTi group after treatment for 10 days, 20 days, and 30 days. After treatment, the pain scores during dressing change and the number of days in hospital in normal saline NPWTi group were significantly lower than those in the CPL NPWTi group. Conclusion: Compound Phellodendron liquid NPWTi therapy can improve diabetic foot ulcers, providing a safe and effective method for treating diabetic foot ulcers.

Transanal Irrigation for People With Neurogenic Bowel Dysfunction: An Integrative Literature Review.

Transanal irrigation has been introduced as a complement to standard bowel care for people with neurogenic bowel dysfunction. There is no contemporary integrative review of the effectiveness and feasibility of transanal irrigation from a holistic nursing perspective, only fragments of evidence to date. The aim was to investigate the effectiveness and feasibility of transanal irrigation for people with neurogenic bowel dysfunction. An integrative literature review was conducted. Nineteen studies were included. According to the results, transanal irrigation can reduce difficulties associated with defecation, episodes of incontinence, and the time needed for evacuation and bowel care. Transanal irrigation can increase general satisfaction with bowel habits and quality of life and decrease level of dependency. However, there are practical problems to overcome and adverse effects to manage. Discontinuation is relatively common. The results support the effectiveness of transanal irrigation, but feasibility is inconclusive. Users, including caregivers, report practical problems, and compliance was not always easy to achieve. It is important that users, including caregivers, are well informed and supported during transanal irrigation treatment, especially during introduction. The quality of the studies found was generally weak; therefore, high-quality quantitative and qualitative studies are needed on the topic.

Transcutaneous Tibial Nerve Stimulation as Therapy for Functional Constipation.

BACKGROUND: Functional constipation is a common disorder that is difficult to treat on occasion. Symptoms of this condition can per- sist despite dietary modification, exercise, and medication. Results of neuromodulation with nerve stimulation have been promising in terms of efficiency for treatment-resistant patients. This study aimed to investigate the efficacy of bilateral transcutaneous tibial nerve stimulation as a noninvasive treatment method for functional constipation. METHODS: We evaluated 105 patients with functional constipation diagnosed using the Rome IV criteria. Bilateral transcutaneous elec- trical nerve stimulation was utilized for transcutaneous tibial nerve stimulation for 6 weeks; 3 sessions were conducted every week, with each session lasting for at least 30 minutes. The Constipation Severity Instrument was used before treatment, at the end of 6 weeks, and at 12 weeks (6 weeks after the end of treatment). The effects of transcutaneous tibial nerve stimulation on the time spent in the toilet and the use of softeners were investigated. RESULTS: Of the 105 patients included in the study, 41 (39%) were male. The mean age was 43.1 (range, 19-64 years). Transcutaneous tibial nerve stimulation was found to reduce the time patients spent in the toilet. The use of softeners decreased from 76.2% to 20% (P < .001). Obstructive defecation (P < .001), colonic inertia (P < .001), pain (P < .001), and Constipation Severity Instrument total score (P < .001) improved after the 6-week treatment period. The treatment effect persisted until the 12th week. CONCLUSION: Bilateral transcutaneous tibial nerve stimulation is a noninvasive, easily applicable, and effective treatment for functional constipation, without major adverse effects. Large randomized controlled trials are required so that transcutaneous tibial nerve stimula- tion can be established as an alternative treatment for functional constipation that is resistant to standard care and laxative agents.

Efficacy of sonic and ultrasonic activation during endodontic treatment: a Meta-analysis of in vitro studies.

OBJECTIVE: To ensure a successful endodontic treatment, it is important to have a proper disinfection of the root canal. The current study compares the root canal cleanliness and smear layer score between sonic and ultrasonic activation. METHOD: Systematic literature review was implemented, using 12 databases. All in vitro studies comparing the efficacy of sonic and ultrasonic activation and reporting at least one outcome of interest were included. RESULTS: At the apical level, pooling the data in the random-effects model (I2=64%, p = .1) revealed a statistically significant lower smear layer score within the sonic activation group (MD-0.48; 95% CI-0.92, -0.04; p = .03). Furthermore, there was a statistically significant lower push-out bond strength value among the sonic group, in contrast to the ultrasonic group at the middle (MD-0.69; 95% CI-1.13, -0.25; p = .002) and at the apical levels (MD-0.78; 95% CI-1.09, -0.46; p < .0001) of the root canal. CONCLUSIONS: Sonic activation accomplished advancement relative to ultrasonic agitation in removing the smear layer, while ultrasonic activation resulted in significant cohesion between the sealers and the dentine tubules, decreasing the vulnerability of apical leakage and tooth fracture.

Surgical Infection Society Guidelines for Total Abdominal Colectomy versus Diverting Loop Ileostomy with Antegrade Intra-Colonic Lavage for the Surgical Management of Severe or Fulminant, Non-Perforated Clostridioides difficile Colitis.

Background: Clostridioides difficile infection (CDI) can result in life-threatening illness requiring surgery. Surgical options for managing severe or fulminant, non-perforated C. difficile colitis include total abdominal colectomy with end ileostomy or creation of a diverting loop ileostomy with antegrade vancomycin lavage. Methods: The Surgical Infection Society's Therapeutics and Guidelines Committee convened to develop guidelines for summarizing the current SIS recommendations for total abdominal colectomy versus diverting loop ileostomy with antegrade lavage for severe or fulminant, non-perforated C. difficile colitis. PubMed, Embase, and the Cochrane database were searched for pertinent studies. Severe infection was defined as laboratory diagnosis of C. difficile infection with leukocytosis (white blood cell count of ≥15,000 cells/mL) or elevated creatinine (serum creatinine level >1.5 mg/dL). Fulminant infection was defined as laboratory diagnosis of C. difficile infection with hypotension or shock, ileus, or megacolon. Perforation was defined as complete disruption of the colon wall. Total abdominal colectomy was defined as resection of the ascending, transverse, descending, and sigmoid colon with end ileostomy. For the purpose of the guideline, the terms subtotal colectomy, total abdominal colectomy, and rectal-sparing total colectomy were used interchangeably. Diverting loop ileostomy with antegrade enema was defined as creation of both a diverting loop ileostomy with intra-operative colonic lavage and post-operative antegrade vancomycin unless otherwise specified. Evaluation of the published evidence was performed using the Grades of Recommendation Assessment, Development and Evaluation (GRADE) system. Using a process of iterative consensus, all committee members voted to accept or reject each recommendation. Results: We recommend that total abdominal colectomy be the procedure of choice for definitive therapy of severe or fulminant, non-perforated C. difficile colitis. In select patients, colon preservation using diverting loop ileostomy with intra-colonic vancomycin may be associated with higher rates of ostomy reversal and restoration of gastrointestinal continuity but may lead to development of recurrent C. difficile colitis. Conclusions: This guideline summarizes the current Surgical Infection Society recommendations regarding use of total abdominal colectomy versus diverting loop ileostomy with antegrade lavage for adults with severe or fulminant, non-perforated C. difficile infection.

Incidence and Prognostic Value of Lavage Cytology in Colorectal Cancer.

BACKGROUND: Lavage cytology is a method to detect cancer cells released within the abdominal cavity. It has been widely utilized, in particular, for gastric cancer. However, its clinical significance has not yet been determined in colorectal cancer. OBJECTIVE: This study aimed to investigate the frequency of lavage cytology positivity and its influence on the prognosis of patients with colorectal cancer. DESIGN: This is a single-institution retrospective observational study. SETTING: This study was conducted at a comprehensive cancer center. PATIENTS: We retrospectively analyzed 3135 colorectal cancer cases from 2007 to 2013 at our institution. Intraoperative peritoneal washing cytology was performed just after the start of the operation. Fluids were centrifuged for 5 minutes at 2500 rotations per minute, cell pellets were smeared on microscope glass slides, and Papanicolaou staining was performed. MAIN OUTCOME MEASURES: The primary outcome was the 5-year overall survival rate. The secondary outcome was the 5-year recurrence rate. RESULTS: Lavage cytology positivity was detected in 19 (2.0%) and 86 (16.9%) cases of stage III and IV colorectal cancer; however, no positive cases were found in stage I and II colorectal cancer. Lavage cytology positivity was an independent prognostic factor in stage III and IV colorectal cancer in the multivariate analysis (5-year mortality HR 3.59 [1.69-7.64] in stage III, 2.23 [1.15-4.31] in stage IV). The prognosis of the 5-year survival rate was significantly worse in the lavage cytology-positive group in stages III and IV. In terms of recurrence, the results of the lavage cytology-positive group in stage III were similar to those of the lavage cytology-positive/negative group in stage IV (73.7%, 70.0%, and 75.0%). LIMITATIONS: This study was limited by its retrospective study design. CONCLUSIONS: Lavage cytology positivity is an independent prognostic and regulatory factor of stage IV colorectal cancer. See Video Abstract at http://links.lww.com/DCR/B770.INCIDENCIA Y VALOR PRONÓSTICO EN LA CITOLOGÍA DEL LAVADO PERITONEAL EN CÁNCER COLORECTALANTECEDENTES:La citología del lavado peritoneal es un método para detectar células cancerosas liberadas dentro de la cavidad abdominal. Se ha utilizado ampliamente, en particular para el cáncer gástrico. Sin embargo, aún no se ha determinado su importancia clínica en el cáncer colorrectal.OBJETIVO:Este estudio tuvo como objetivo investigar la frecuencia de positividad de la citología del lavado y su influencia en el pronóstico de los pacientes con cáncer colorrectal.DISEÑO:Este fue un estudio observacional retrospectivo de una sola institución.DISENTORNO CLÍNICO:El estudio se llevó a cabo en un centro oncológico integral.PACIENTES:Analizamos retrospectivamente 3.135 casos de cáncer colorrectal desde 2007 hasta 2013 en nuestra institución. La citología de lavado peritoneal intraoperatorio se realizó inmediatamente después del inicio de la operación. Los fluidos se centrifugaron durante 5 min a 2.500 rpm, los sedimentos celulares se extendieron sobre portaobjetos de vidrio de microscopio y se realizó la tinción con Papanicolaou.DISPRINCIPALES MEDIDAS DE VALORACIÓN:El primer resultado fueron las tasas de supervivencia general a 5 años. El segundo resultado las tasas de recurrencia a los 5 años.RESULTADOS:Se detectó positividad en la citología de lavado en 19 (2,0%) y 86 (16,9%) casos de cáncer colorrectal en estadio III y IV, respectivamente; sin embargo, no se encontraron casos positivos en el cáncer colorrectal en estadio I y II. La positividad de la citología de lavado fue un factor pronóstico independiente en el cáncer colorrectal en estadio III y IV en el análisis multivariado [cociente de riesgo de mortalidad a 5 años 3,59 (1,69-7,64), en estadio III, 2,23 (1,15-4,31), en estadio IV]. El pronóstico de la tasa de supervivencia a 5 años fue significativamente peor en el grupo con citología de lavado positiva en los estadios III y IV. En cuanto a la recurrencia, los resultados del grupo de lavado con citología positiva en el estadio III fueron similares a los del grupo de lavado con citología positiva / negativa en el estadio IV (73,7%, 70,0% y 75,0%).LIMITACIONES:Este estudio estuvo limitado por su diseño de estudio retrospectivo.CONCLUSIONES:La positividad de la citología de lavado es un factor pronóstico y regulador independiente del cáncer colorrectal en estadio IV. Consulte Video Resumen en http://links.lww.com/DCR/B770. (Traducción- Dr. Ingrid Melo).

Irrigation fluid absorption during transurethral bipolar and laser prostate surgery: a systematic review.

PURPOSE: Transurethral endoscopic procedures using bipolar current, or laser energy are nowadays widely accepted and have replaced the traditional monopolar resection. A major advantage of these techniques is the utilization of isotonic saline as irrigation solution, which minimizes side effects such as symptoms associated to classical transurethral resection syndrome (TUR-syndrome). Nonetheless, clinically significant IFA also occurs with saline and is determined by pressure gradients, systemic resistance and by the amount of irrigation fluid. We aimed to investigate the extend of IFA and symptoms due to volume overload during bipolar transurethral resection (bTUR) and laser procedures of the prostate. METHODS: We performed a systematic literature search using PubMed, restricted to original English-written articles, including animal, artificial model, and human studies. Search terms were TUR, transurethral, laser, HoLEP, ThuLEP, greenlight, enucleation, fluid absorption, fluid uptake, and TUR-syndrome. RESULTS: Mean and maximum IFA during bTURP ranges between 133 and 915 ml and 1019 ml and 2166 ml, respectively. Absorption during laser procedures can be significant with maximum values up to 4579 ml and mainly occurs during prostate vaporization techniques. Incidence of moderate to severe symptoms from iso-osmolar volume overload reaches 9%. CONCLUSIONS: Irrigation fluid absorption during bTUR and laser surgery of the prostate is not negligible. Iso-osmolar overhydration with development of non-classical TUR-syndrome should be identified peri- and postoperatively and surgical teams should be aware of complications. Breath ethanol, venous pH, serum chloride, and bicarbonate could be markers for detecting dangerous events of IFA with saline.

Comparison of Isotonic Seawater Nasal Spray Containing Chamomile Liquid Extract and Other Isotonic Seawater Nasal Washing Solutions for Allergic Rhinitis.

OBJECTIVE: We aim to demonstrate the effect of an isotonic seawater spray containing chamomile liquid extract on symptoms and nasal mucociliary clearance in patients with allergic rhinitis by comparing it with other isotonic seawater nasal washing solutions. METHODS: The study included 123 patients. Based on Allergic Rhinitis and its Impact on Asthma guidelines, mometasone furoate intranasal spray treatment was started for all patients in the group diagnosed with allergic rhinitis. In addition to this treatment, isotonic seawater spray with chamomile liquid extract was added to Group A, isotonic seawater spray to Group B, and isotonic seawater nasal irrigation to Group C. The fourth group (Group D) was given only nasal steroid spray without nasal washing treatment. Before and after treatment in all patients, the Sino-Nasal Outcome Test-22 was performed, and nasal mucociliary clearance times were measured by the saccharin test. RESULTS: The differences in duration of nasal mucociliary clearance and Sino-Nasal Outcome Test-22 values were taken before and after treatment. In Group A, B, C, and D the Sino-Nasal Outcome Test-22 differences were statistically significant (P ≤.001; P ≤ .001; P ≤ .001, and P = .048, respectively). Only Group A and Group B experienced a significant difference in nasal mucociliary clearance times (P ≤ .001; P = .010, respectively). When the Sino-nasal Outcome Test-22 score and nasal mucociliary clearance time differences before and after treatment were compared between all groups, the Sino-Nasal Outcome Test-22 score difference was higher in Group A than in Groups B, C, and D, the differences were found as statistically significant (P = .010; P = .003; P ≤ .001, respectively). The nasal mucociliary clearance time difference was higher in Group A than in Groups C and D, the differences were found as statistically significant (P = .010; P = .001, respectively). CONCLUSION: Isotonic seawater spray containing chamomile liquid extract is seen as a good alternative treatment option for allergic rhinitis patients.

Removal of Calcium Hydroxide Pastes Containing N-Methyl-2-Pyrrolidone, Local Anaesthesia, Glycerine, and Methylcellulose from Artificial Radicular Grooves: An In-vitro Study.

OBJECTIVE: To compare the removal of calcium hydroxide (CaOH) pastes containing N-Methyl-2-pyrrolidone (NMP), lidocaine, glycerine, methylcellulose, or water from artificially created grooves. METHODS: In this study, 115 human single-rooted maxillary incisors with single and straight root canals were prepared using a rotary file up to size 40/.04 and split longitudinally. A longitudinal groove was created from 2 to 5 mm from the apex and filled with CaOH combined with different vehicles. The specimens were divided among 5 experimental groups according to the vehicle as follows: distilled water, lidocaine, glycerine, methylcellulose, and NMP. The two halves were re-attached, and the canals were flushed with 10 ml of 17% EDTA for 60 seconds. The residual amount of CaOH was scored using a stereomicroscope at 8× magnification. Statistical significance was set at P<0.05. RESULTS: The NMP-based group exhibited significantly less residual medicament compared to the distilled water (P<0.05), while there were no statistically significant differences among the methylcellulose-, lidocaine-, and glycerine-based groups and distilled water (P>0.05). CONCLUSION: The vehicle is an important factor in the successful removal of CaOH medicament from the root canals. Within the limitations of the present study, the NMP-based CaOH medicament exhibited better removal efficacy than the distilled water. However, the cleaning success of the methylcellulose-, lidocaine-, and glycerine-based groups was similar to that of distilled water.

Contemporary procedure characteristics and outcomes of accessory atrioventricular pathway ablations in an integrated community-based health care system using a tiered approach.

BACKGROUND: Since the early descriptions of large series of accessory atrioventricular pathway ablations in adults and adolescents over 20 years ago, there have been limited published reports based on more recent experiences of large referral centers. We aimed to characterize accessory pathway distribution and features in a large community-based population that influence ablation outcomes using a tiered approach to ablation. METHODS: Retrospective analysis of 289 patients (age 14-81) who underwent accessory ablation from 2015-2019 was performed. Pathways were categorized into anteroseptal, left freewall, posteroseptal, and right freewall locations. We analyzed patient and pathway features to identify factors associated with prolonged procedure time parameters. RESULTS: Initial ablation success rate was 94.7% with long-term success rate of 93.4% and median follow-up of 931 days. Accessory pathways were in left freewall (61.6%), posteroseptal (24.6%), right freewall (9.6%), and anteroseptal (4.3%) locations. Procedure outcome was dependent on pathway location. Acute success was highest for left freewall pathways (97.1%) with lowest case times (144 ± 68 min) and fluoroscopy times (15 ± 19 min). Longest procedure time parameters were seen with anteroseptal, left anterolateral, epicardial-coronary sinus, and right anterolateral pathway ablations. CONCLUSIONS: In this community-based adult and adolescent population, majority of the accessory pathways are in the left freewall and posteroseptal region and tend to be more easily ablated. A tiered approach with initial use of standard ablation equipment before the deployment of more advance tools, such as irrigated tips and 3D mapping, is cost effective without sacrificing overall efficacy.

Can bipolar transurethral enucleation of the prostate be a better alternative to the bipolar transurethral resection of the prostate?: A prospective comparative study.

ABSTRACT: To analyze the efficacy and safety between bipolar transurethral enucleation of the prostate (BipoLEP) and bipolar transurethral resection of the prostate (B-TURP).One hundred twenty eight patients with benign prostatic hyperplasia were recruited and divided into group 1 (BipoLEP group, n = 72) and group 2 (B-TURP group, n = 56). The study period was from October 2016 to February 2019. All data parameters were prospectively collected and analyzed.In these 2 groups, there were no significant differences of the mean ages (71.88 ±â€Š6.54 years vs 73.05 ±â€Š7.05 years, P = .407), prostate volumes (99.14 ±â€Š9.5 mL vs 95.08 ±â€Š10.93 mL, P = .302) and the mean operation times (93.7 ±â€Š27.5 minutes vs 89.8 ±â€Š22.4 minutes, P = .065). In BipoLEP group, it had more prostate tissue resected (64.2 ±â€Š22.1 g vs 52.7 ±â€Š28.6 g, P = .018), less duration of continuous bladder irrigation (20.7 ±â€Š6.5 hours vs 29.6 ±â€Š8.3 hours, P = .044), shorter catheterization time (4.3 ±â€Š1.5 days vs 5.6 ±â€Š2.1 days, P = .032), shorter hospitalization stay (5.2 ±â€Š1.4 days vs 6.5 ±â€Š1.9 days, P = .031) and less complications (3 cases vs 9 cases, P = .021). There were significant improvements in 3-month postoperative parameters, including: post void residual urine, maximum flow rate, International Prostatic Symptoms Scale, and quality of life in each group (p < 0.01). However, there were no significant differences of preoperative and 3-month postoperative parameters, including: post void residual urine, maximum flow rate, International Prostatic Symptoms Scale, and quality of life between these 2 groups (P > .05).BipoLEP can produce a more radical prostatic resection with better safety profile and faster postoperative recovery. It may become a more favorable surgical alternative to the B-TURP, especially for the prostate larger than 80 g.