Open vs. minimally invasive sublay incisional hernia repair. Is there a risk of overtreatment? EVEREG registry analysis.

INTRODUCTION: Incisional hernia (IH) is a very common surgical procedure. Registries provide real world data. The objective is to analyze the open and minimally invasive (MIS) sublay technique (with or without associated components separation [CS]) in IH cases from the EVEREG registry and to evaluate the evolution over time of the techniques. METHODS: All patients in EVEREG from July 2012 to December 2021 were included. The characteristics of the patients, IH, surgical technique, complications and mortality in the first 30 days were collected. We analyzed Group 1 (open sublay vs MIS sublay, without CS), Group 2 (open sublay vs MIS sublay, with CS) and Group 3 where the evolution of open and MIS techniques was evaluated over time. RESULTS: 4867 IH were repaired using a sublay technique. Group 1: 3739 (77%) open surgery, mostly midline hernias combined (P = .016) and 55 (1%) MIS, mostly lateral hernias (LH) (P = .000). Group 2: 1049 (21.5%) open surgery and 24 (0.5%) MIS. A meaningful difference (P = .006) was observed in terms of transverse diameters (5.9 (SD 2.1) cm for the MIS technique and 10.11 (SD 4.8) for the open technique). The LH MIS associated more CS (P = .002). There was an increase in the use of the sublay technique over time (with or without CS). CONCLUSION: Increased use of the sublay technique (open and MIS) over time. For some type of hernia (LH) the MIS sublay technique with associated CS may have represented an overtreatment.

Reparación de la hernia paraestomal. Estudio observacional prospectivo basado en el Registro Español de Hernia Incisional (EVEREG) / Parestomal hernia repair. Prospective observational study based on the Spanish Registry of Incisional Hernia (EVEREG)

Introducción: Los resultados de la reparación de la hernia paraestomal (HP) basados en datos provenientes de registros son escasos. El objetivo del presente trabajo es analizar los datos recogidos sobre la HP en el Registro Nacional de Hernia Incisional (EVEREG) y así evaluar las prácticas actuales y resultados en la reparación de una HP. Métodos: Se analizan los datos de la cohorte de HP registradas en el período desde julio de 2012 hasta junio de 2018. Se analizan las complicaciones, recidivas y factores asociados a ellas de la cohorte completa de HP, independientemente del tipo de estoma al que se asocian. Posteriormente, se realiza el mismo análisis del grupo de HP con relación a una colostomía (grupo más numeroso). Resultados: Se estudiaron 353 HP. De estas, 259 (73%) fueron HP en el contexto de una colostomía terminal, 74 (21%) en el de una ileostomía terminal y 20 (6%) en el de una ureteroileostomía (Bricker). La edad media global fue de 68,7±11,1 años y 135 (38%) pacientes fueron del sexo femenino. El abordaje abierto y la cirugía electiva fueron predominantes (78% y 92%, respectivamente). El 99% se reparó con una malla sintética no absorbible. Las complicaciones postoperatorias globales fueron altas (30,6%), así como la recurrencia global (27,5%) tras un seguimiento medio de 9,4 meses. Conclusiones: La reparación de la HP es poco frecuente comparada con el conjunto de reparaciones de la hernia incisional. La cirugía de la HP parece relacionarse con un porcentaje elevado de complicaciones postoperatorias y recidiva. (AU)

Introduction: The results of parastomal hernia (PH) repair based on data from registries are scarce. The objective of this work is to analyze the data collected on PH in the National Registry of Incisional Hernia (EVEREG) and thus evaluate current practices and results in PH repair. Methods: Data from the PH cohort recorded in the period from July 2012 to June 2018 are analyzed. Complications, recurrences and associated factors of the entire PH cohort are analyzed, regardless of the type of stoma they are associated with. Subsequently, the same PH group analysis was performed in relation to a colostomy (larger group). Results: 353 PH were studied. Of these, 259 (73%) were HP in the context of a terminal colostomy, 74 (21%) in the context of a terminal ileostomy, and 20 (6%) in the context of a ureteroileostomy (Bricker). The global mean age was 68.7±11.1 years and 135 (38%) patients were female. The open approach and elective surgery were predominant (78% and 92% respectively); 99% were repaired with a non-absorbable synthetic mesh. Global postoperative complications were high (30.6%). As well as, the global recurrence (27.5%) after a mean follow-up of 9.4 months. Conclusions: PH repair is infrequent. PH surgery seems to be associated with a high percentage of postoperative complications and recurrence. (AU)

Friends with Benefits: An Inside Look of Periodontal Microbes' Interactions Using Fluorescence In Situ Hybridization-Scoping Review.

Fluorescence in situ hybridization (FISH) has proven to be particularly useful to describe the microbial composition and spatial organization of mixed microbial infections, as it happens in periodontitis. This scoping review aims to identify and map all the documented interactions between microbes in periodontal pockets by the FISH technique. Three electronic sources of evidence were consulted in search of suitable articles up to 7 November 2020: MEDLINE (via PubMed), Scopus (Elsevier: Amsterdam, The Netherlands), and Web of Science (Clarivate Analytics: Philadelphia, PA, USA) online databases. Studies that showed ex vivo and in situ interactions between, at least, two microorganisms were found eligible. Ten papers were included. Layered or radially ordered multiple-taxon structures are the most common form of consortium. Strict or facultative anaerobic microorganisms are mostly found in the interior and the deepest portions of the structures, while aerobic microorganisms are mostly found on the periphery. We present a model of the microbial spatial organization in sub- and supragingival biofilms, as well as how the documented interactions can shape the biofilm formation. Despite the already acquired knowledge, available evidence regarding the structural composition and interactions of microorganisms within dental biofilms is incomplete and large-scale studies are needed.

Parestomal hernia repair. Prospective observational study based on the Spanish Registry of Incisional Hernia (EVEREG).

INTRODUCTION: The results of parastomal hernia (PH) repair based on data from registries are scarce. The objective of this work is to analyze the data collected on PH in the National Registry of Incisional Hernia (EVEREG) and thus evaluate current practices and results in PH repair. METHODS: Data from the PH cohort recorded in the period from July 2012 to June 2018 are analyzed. Complications, recurrences and associated factors of the entire PH cohort are analyzed, regardless of the type of stoma they are associated with. Subsequently, the same PH group analysis was performed in relation to a colostomy (larger group). RESULTS: 353 PH were studied. Of these, 259 (73%) were PH in the context of a terminal colostomy, 74 (21%) in the context of a terminal ileostomy, and 20 (6%) in the context of a ureteroileostomy (Bricker). The global mean age was 68.7 ± 11.1 years and 135 (38%) patients were female. The open approach and elective surgery were predominant (78% and 92% respectively); 99% were repaired with a non-absorbable synthetic mesh. Global postoperative complications were high (30.6%). As well as, the global recurrence (27.5%) after a mean follow-up of 9.4 months. CONCLUSIONS: PH repair is infrequent. PH surgery seems to be associated with a high percentage of postoperative complications and recurrence.

Cirugía de la pared abdominal después del SARS-CoV-2: ¿es hora de restablecer los procedimientos no esenciales pospuestos? / Abdominal Wall Surgery After SARS-CoV-2: Time to Reestablish Postponed Non-essential Procedures?

La pandemia por el COVID-19 nos ha encontrado desprotegidos ante la dificultad para dar una respuesta sanitaria adecuada y rápida. La red de hospitales del sistema sanitario público ha dispuesto la mayoría de los recursos para el tratamiento de los pacientes afectos por la infección. Las cirugías no esenciales (no prioritarias) han sido aplazadas. El reinicio óptimo y proporcionado de estas cirugías no prioritarias puede representar un problema. En el presente artículo se ofrece una perspectiva técnica y no técnica del reinicio de las cirugías no prioritarias desde la óptica de la cirugía de la pared abdominal

Pandemic by the COVID-19 has found us unprotected to provide an adequate and rapid sanitary response. The hospital network of our public health system has provided most of the resources for the treatment of patients affected by the infection. Non-essential (non-priority) surgeries have been postponed. The optimal and proportionate reestablishment of these non-priority surgeries can be a problem. This article offers a technical and non-technical view of reestablishment non-priority surgeries from the perspective of abdominal wall surgery

Chronic pain after groin hernia repair: pain characteristics and impact on quality of life.

BACKGROUND: Chronic postsurgical pain (CPSP) after hernia repair research has mainly relied on unconfirmed self-reporting. We aimed to describe confirmed CPSP incidence, management, and quality of life (QoL) in a 2-year prospective study. METHODS: Multicenter study (GENDOLCAT) of 3890 patients undergoing 4 common surgical procedures in 23 hospitals to develop a risk model for CPSP; 2352 men underwent open hernia repair. Patients with pain were identified by telephone at 1 and 3 months and referred to the hospital 4 months after surgery for a physical examination to confirm CPSP. Three validated tools were used: the Brief Pain Inventory (BPI) for severity, analgesic use, and interference with activities; the SF-12 questionnaire for QoL (validated Spanish version), and the Douleur Neuropathique 4 (DN4). Patients with CPSP were called again at 1 and 2 years. RESULTS: In 1761 patients who underwent hernia repair and were eligible for physical examination for CPSP, the incidence of confirmed pain at 4 months was 13.6% (patient-reported pain, 6.2% at 1 year and 4.0% at 2 years). Neuropathic pain was diagnosed in 38.5% of the CPSP patients at 4 months. The incidences of neuropathic CPSP in patients with mesh or non-mesh repairs were similar (38.6 and 33.3%, respectively). SF-12 physical component scores changed little in all patients, whether or not they developed CPSP. The SF-12 mental component decreased significantly in all patients, but the decrease was clinically significant only in CPSP patients. CPSP interfered with activities (18%), work (15.6%), walking (15%) and mood (10.2%). At 2 years 52.1% of CPSP patients had moderate/intense pain and 28.2% took analgesics. CONCLUSION: CPSP affects QoL-related activities, and although it diminishes over the course of 2 years after surgery, many patients continue to have moderate/intense pain and take analgesics. CPSP and neuropathic pain rates seem to be similar after mesh and non-mesh repair. BPI and SF-12 mental component scores detect effects on QoL. TRIAL REGISTRATION: ClinicalTrials.gov NCT01510496.

[Abdominal Wall Surgery After SARS-CoV-2: Time to Reestablish Postponed Non-essential Procedures?] / Cirugía de la pared abdominal después del SARS-CoV-2: ¿es hora de restablecer los procedimientos no esenciales pospuestos?

Pandemic by the COVID-19 has found us unprotected to provide an adequate and rapid sanitary response. The hospital network of our public health system has provided most of the resources for the treatment of patients affected by the infection. Non-essential (non-priority) surgeries have been postponed. The optimal and proportionate reestablishment of these non-priority surgeries can be a problem. This article offers a technical and non-technical view of reestablishment non-priority surgeries from the perspective of abdominal wall surgery.

Is there scientific evidence to support antibiotic prophylaxis in patients with periodontal disease as a means to decrease the risk of prosthetic joint infections? A systematic review.

PURPOSE: To re-assess the scientific literature to ascertain if there is scientific evidence to support antibiotic prophylaxis in patients with periodontal disease as a means to decrease the risk of prosthetic joint infections. INTRODUCTION: Prosthetic joint infections occur in approximately 0.3-2% of patients and, of these, around 6-13% are thought to be caused by oral bacteria. Antibiotic prophylaxis prior to dental procedures as a means to prevent a prosthetic joint infection has been controversial throughout the years. However, it remains unclear to what extent it has a beneficial effect. We do know that bacteraemia of oral origin is directly proportional to any ongoing inflammation or infection, and that a diseased periodontium may act as an entry for bacteria to spread to distant locations, through the bloodstream, and potentially be the cause of distant site infections. MATERIALS AND METHODS: Updated literature search using the PubMed (Medline), and the Clarivate Analytics databases, to identify eligible articles since the previous searches up to April 2019 (last 5 years). RESULTS: No studies that relate periodontal disease to the development of a prosthetic joint infection were found. CONCLUSION: Currently, there is no evidence to support or exclude the need of antibiotic prophylaxis as a means to decrease the risk of prosthetic joint infections in patients with periodontal disease.

Practice Patterns and Attitudes of Surgeons on the Use of Prophylactic Mesh to Prevent Parastola Hernia: A Cross-sectional Survey.

Information about surgeons' attitudes toward using prophylactic mesh (PM) for parastomal hernia (PSH) prevention is limited. PURPOSE: A survey was conducted to assess attitudes/beliefs and surgical practice related to PM use for preventing PSH. METHODS: A cross-sectional email survey was conducted during April 2017 among members (surgeons) of the American Hernia Society, European Hernia Society, and International Hernia Collaboration. Survey items included participant demographic characteristics, knowledge about the incidence of PSH, number of permanent stomas created annually, beliefs/opinions (knowledge/interest) regarding the use of PM, and surgical practices (mesh type and position). Data were collected and tallied using SurveyMonkey. Descriptive statistics were used to analyze the data. RESULTS: Of the 5445 emails sent, 497 responses were received, 235 (47.3%) from the United States and 197 (39.6%) from Europe. The majority of participants were general surgeons (371, 74.6%); a small percentage were colorectal surgeons (37, 7.4%). Most respondents (353, 71.0%) reported at least 11 years of surgical experience, with 37.3% reporting >20 years' experience. The majority of respondents (340, 68.4%) created <15 ostomies per year, more than half (252, 50.7%) consider the incidence of PSH 30% or below, and 107 (22%) use PM. The most common reason for not using mesh was concern about mesh-related complications (141, 41.5%). When asked about type of mesh, most surgeons (153/245, 62.4%) preferred permanent mesh and an open retromuscular approach (97/278, 34.9%). CONCLUSION: Results of the present survey show ongoing ambiguity regarding the use of PM for PSH prevention. Education to increase awareness about the incidence of PSH and well-designed safety and effectiveness studies of preventive strategies are needed to help surgeons optimize PSH prevention strategies.

Cierre de la laparotomía electiva y urgente. Importancia de protocolizar la técnica / Elective and emergent laparotomy closure: The importance of protocolizing the technique

Introducción: La hernia incisional es una patología altamente prevalente cuya prevención incluye medidas como el correcto cierre de la pared abdominal. Métodos: Se llevó a cabo un estudio prospectivo en un centro de tercer nivel que incluyó a pacientes intervenidos de modo electivo y de urgencias tras la implementación de un protocolo de cierre de la laparotomía media. Se realizó una medida objetiva de la relación entre la sutura usada y la longitud de la laparotomía y se analizaron los resultados postoperatorios. Resultados: De los 127 pacientes incluidos, 34 (26,8%) recibieron un cierre técnicamente deficiente. La incidencia de hernia incisional fue del 20,5%. Se demostró una mejoría progresiva en la calidad del cierre. Conclusiones: El cierre de la pared abdominal es deficiente en cerca de una cuarta parte de las laparotomías realizadas en un centro de tercer nivel. La implementación de un protocolo de cierre mejora la calidad del mismo

Background: Incisional hernias are a frequent complication, and their prevention includes proper closure of the abdominal wall. Methods: A prospective study was conducted at a third-level hospital after the introduction of a midline laparotomy closure protocol. An objective measurement of the suture length to incision length ratio was made. and the postoperative results were analyzed. Results: 127 patients were included and 34 of them (26.8%) had received a technically deficient closure. Incisional hernia was described in 20.5% of cases. An improvement in the quality of the abdominal wall closure was demonstrated over time. Conclusion: The abdominal wall closure was deficient in nearly one- quarter of the laparotomies performed at a third-level medical center. A protocol improved the quality of the laparotomy closure

Hernias de la incisión de asistencia tras resección colorrectal laparoscópica. Influencia de la localización de la incisión y del uso de una malla profiláctica / Hernias at the extraction incision after laparoscopic colon and rectal resection: Influence of incision location and use of prophylactic mesh

Objetivos: Determinar la incidencia de hernia incisional (HI) en la incisión de asistencia (IA) de la pieza en cirugía por neoplasia de colon y recto. Análisis de la relación de la localización de la incisión y uso de una malla en la prevención de la HI en pacientes de alto riesgo. Métodos: Revisión retrospectiva de la base de datos de cirugía de colon entre enero de 2015 y diciembre de 2016. Se establecieron 2 grupos: incisión transversa (IT) e incisión media (IM), a su vez este con 2 subgrupos (malla [IMM] y sutura [IMS]). Se categorizaron los pacientes mediante el sistema HERNIAscore. Las hernias se diagnosticaron clínicamente y por TAC. Resultados: Se intervino a 210 pacientes, de los que fueron incluidos 182. Tras un seguimiento de 13,0 meses, se detectaron un total de 39 HI (21,9%), de las que 23 (13,4%) fueron en las IA. Estas fueron mucho menos frecuentes en el grupo de IT (3,4%) y en el de IMM (5,9%) que en el de IMS (29,5%; p = 0,007). La probabilidad de aparición en el grupo IMS de una HI presentó una OR = 11,7 (IC 95%: 3,3-42,0) frente a las IT y de 4,3 (IC 95%: 1,1-16,3) frente al grupo IMM. Conclusiones: La localización de la incisión es relevante para disminuir las HI. La IT debería ser utilizada preferentemente. En los casos en que se utilice una IM, el uso de una malla profiláctica en pacientes de alto riesgo puede considerarse, ya que es seguro y con baja morbilidad

Objectives: To determine the incidence of incisional hernia (IH) in the extraction incision (EI) in colorectal resection for cancer. To analyze whether the location of the incision has any relationship with the incidence of hernias and whether mesh could be useful for prevention in high-risk patients. Methods: Retrospective review of the colon and rectal surgery database from January 2015 to December 2016. Data were classified into 2groups, transverse (TI) and midline incision (MI), and the latter was divided into 2subgroups (mesh [MIM] and suture [MIS]). Patients were classified using the HERNIA score. Hernias were diagnosed by clinical and/or CT examination. Results: A total of 182 out of 210 surgical patients were included. After a median follow-up of 13.0 months, 39 IH (21.9%) were detected, 23 of which (13.4%) were in the EI; their frequency was lower in the TI group (3.4%) and in the MIM group (5.9%) than in the MIS group (29.5%; p=0.007). The probability of developing IH in the MIS group showed an OR=11.7 (95%CI: 3.3-42.0) compared to the TI group and 4.3 (IC 95%: 1.1-16.3) versus the MIM group. Conclusions: The location of the incision is relevant to avoid incisional hernias. Transverse incisions should be used as the first option. When a midline incision is needed, a prophylactic mesh could be considered in high risk patients because it is safe and associated with low morbidity

Elective and emergent laparotomy closure: The importance of protocolizing the technique. / Cierre de la laparotomía electiva y urgente. Importancia de protocolizar la técnica.

BACKGROUND: Incisional hernias are a frequent complication, and their prevention includes proper closure of the abdominal wall. METHODS: A prospective study was conducted at a third-level hospital after the introduction of a midline laparotomy closure protocol. An objective measurement of the suture length to incision length ratio was made. and the postoperative results were analyzed. RESULTS: 127 patients were included and 34 of them (26.8%) had received a technically deficient closure. Incisional hernia was described in 20.5% of cases. An improvement in the quality of the abdominal wall closure was demonstrated over time. CONCLUSION: The abdominal wall closure was deficient in nearly one- quarter of the laparotomies performed at a third-level medical center. A protocol improved the quality of the laparotomy closure.

Hernias at the extraction incision after laparoscopic colon and rectal resection: Influence of incision location and use of prophylactic mesh. / Hernias de la incisión de asistencia tras resección colorrectal laparoscópica. Influencia de la localización de la incisión y del uso de una malla profiláctica.

OBJECTIVES: To determine the incidence of incisional hernia (IH) in the extraction incision (EI) in colorectal resection for cancer. To analyze whether the location of the incision has any relationship with the incidence of hernias and whether mesh could be useful for prevention in high-risk patients. METHODS: Retrospective review of the colon and rectal surgery database from January 2015 to December 2016. Data were classified into 2groups, transverse (TI) and midline incision (MI), and the latter was divided into 2subgroups (mesh [MIM] and suture [MIS]). Patients were classified using the HERNIAscore. Hernias were diagnosed by clinical and/or CT examination. RESULTS: A total of 182 out of 210 surgical patients were included. After a median follow-up of 13.0 months, 39 IH (21.9%) were detected, 23 of which (13.4%) were in the EI; their frequency was lower in the TI group (3.4%) and in the MIM group (5.9%) than in the MIS group (29.5%; p=0.007). The probability of developing IH in the MIS group showed an OR=11.7 (95%CI: 3.3-42.0) compared to the TI group and 4.3 (IC 95%: 1.1-16.3) versus the MIM group. CONCLUSIONS: The location of the incision is relevant to avoid incisional hernias. Transverse incisions should be used as the first option. When a midline incision is needed, a prophylactic mesh could be considered in high risk patients because it is safe and associated with low morbidity.

Factores de riesgo de mala evolución en la reparación de hernias incisionales: Lecciones aprendidas del Registro Nacional de Hernia Incisional (EVEREG) / Risk factors for bad outcomes in incisional hernia repair: Lessons learned from the National Registry of Incisional Hernia (EVEREG)

INTRODUCCIÓN: Los registros son herramientas potentes para identificar situaciones de riesgo de mala evolución. Nuestro objetivo ha sido analizar los datos del Registro Nacional de Hernia Incisional (EVEREG) para detectar situaciones de riesgo para el desarrollo de complicaciones y recidivas. MÉTODOS: Se analizan los datos de la cohorte de hernias registradas en el período desde julio de 2012 hasta junio de 2014. Se realiza una comparación estadística entre las hernias que presentaron complicaciones y recidivas, y su relación con los pacientes, las características de las hernias y la técnica quirúrgica, para determinar cuáles de ellos pueden predecir malos resultados. RESULTADOS: En el período de estudio disponemos de datos de 1.336 hernias (43,7% varones; 56,3% mujeres), con una edad media de 63,6 años (DE: 12,4) e IMC de 30,4 (DE: 5,4). En el estudio multivariante las variables asociadas a la presencia de complicaciones fueron: edad superior a 70 años, neoplasia, longitud del defecto mayor de 10 cm, reparación previa y resección intestinal. Las variables asociadas a recidiva fueron: las hernias paraestomales, la reparación previa, la cirugía urgente, la aparición de complicaciones postoperatorias y la reintervención quirúrgica. El uso de una separación de componentes fue el único factor protector en este tipo de análisis (OR: 0,438; IC: 0,27-0,71; p = 0,001). CONCLUSIONES: La presencia de factores de riesgo para la aparición de complicaciones y recurrencias debe ser tenida en cuenta con el fin de proyectar la prehabilitación del paciente para la cirugía, planificar la técnica quirúrgica y su derivación a unidades especializadas

INTRODUCTION: Registries are powerful tools for identifying factors predicting bad results. Our objective was to analyse data from the Spanish Registry of Incisional Hernia (EVEREG) to detect risk situations for the development of complications and recurrences. METHODS: We have analysed data of the cohort of hernias registered during the period from July 2012 to June 2014. We have compared the data between complicated and non-complicated patients in the short and long term follow-up. Data compared were: patient demographics, comorbid condition, hernia defect characteristics and surgical technique to determine which of them may be predictors of poor outcomes. RESULTS: During the period of study, we collected data from 1,336 hernias (43.7% males; 56.3% females) with a mean age of 63.6 years (SD 12.4) and BMI of 30.4 (SD 5.4). In the multivariate analysis, factors associated with complications were: age >70 years, previous neoplasm, diameter greater than 10cm, previous repair and bowel resection. Factors related with recurrences were: parastomal hernia, previous repair, emergency repair, postoperative complications and reoperation. A separation of components was the only protective factor for this type of analysis (OR 0.438; CI 0.27-0.71; p = 0.0001). CONCLUSIONS: Risk factors for the development of complications and recurrences must be considered for promoting preoperative patient prehabilitation, planning the surgical technique and referring patients to specialized abdominal wall units

Balancing mesh-related complications and benefits in primary ventral and incisional hernia surgery. A meta-analysis and trial sequential analysis.

BACKGROUND: Primary ventral hernia (PVH) and incisional hernia (IH) repair using a mesh appears to reduce hernia recurrence. However, are the benefits of mesh offset in part by mesh-related complications? The aim of this study was to compare placement of a mesh versus simple suture for recurrence and postoperative complications in the repair of PVH or IH. METHODS: Five databases were searched for randomized controlled trials (RCTs). The study population was patients with a PVH or IH undergoing hernia repair. Intervention was placement of a nonabsorbable synthetic mesh, regardless of mesh location, surgical technique, hernia characteristics or surgical setting compared to primary suture. Primary outcome was the incidence of hernia recurrence. Secondary outcomes were wound infection, hematoma, seroma, postsurgical pain, duration of operation, and quality of life. A random-effects meta-analysis with trial sequential analysis (TSA) was used. RESULTS: 10 RCTs with a total of 1270 patients were included. A significant reduction of the incidence of PVH or IH recurrence using a mesh for repair (risk ratio [RR] 0.39, 95% CI 0.27-0.55; P < 0.00001; I2 = 20%) was observed. TSA for recurrence, the accrued information size (1270) was 312% of the estimated required information size (RIS). Subgroup analysis for PVH and IH confirms reduction of recurrence after using a mesh in both groups. Overall postoperative complications did not show statistically significant differences between the mesh and surgical suture groups (RR 1.31, 95% CI 0.94-1.84; P = 0.12; I2 = 27%) but the accrued information size was only 22.4% of RIS and by subgroups complications were only related with IH repair. CONCLUSIONS: Evidence for the efficacy of repair of PVH or IH using a nonabsorbable synthetic mesh in terms of recurrence was found to be robust. Evidence for complications remains inconclusive.

Risk factors for bad outcomes in incisional hernia repair: Lessons learned from the National Registry of Incisional Hernia (EVEREG). / Factores de riesgo de mala evolución en la reparación de hernias incisionales: Lecciones aprendidas del Registro Nacional de Hernia Incisional (EVEREG).

INTRODUCTION: Registries are powerful tools for identifying factors predicting bad results. Our objective was to analyse data from the Spanish Registry of Incisional Hernia (EVEREG) to detect risk situations for the development of complications and recurrences. METHODS: We have analysed data of the cohort of hernias registered during the period from July 2012 to June 2014. We have compared the data between complicated and non-complicated patients in the short and long term follow-up. Data compared were: patient demographics, comorbid condition, hernia defect characteristics and surgical technique to determine which of them may be predictors of poor outcomes. RESULTS: During the period of study, we collected data from 1,336 hernias (43.7% males; 56.3% females) with a mean age of 63.6 years (SD 12.4) and BMI of 30.4 (SD 5.4). In the multivariate analysis, factors associated with complications were: age >70 years, previous neoplasm, diameter greater than 10cm, previous repair and bowel resection. Factors related with recurrences were: parastomal hernia, previous repair, emergency repair, postoperative complications and reoperation. A separation of components was the only protective factor for this type of analysis (OR 0.438; CI 0.27-0.71; p=0.0001). CONCLUSIONS: Risk factors for the development of complications and recurrences must be considered for promoting preoperative patient prehabilitation, planning the surgical technique and referring patients to specialized abdominal wall units.

Contemporary concepts in hernia prevention: Selected proceedings from the 2017 International Symposium on Prevention of Incisional Hernias.

Incisional hernia is a frequent complication of midline laparotomy and enterostomal creation and is associated with high morbidity, decreased quality of life, and high costs. The International Symposium on Incisional Hernia Prevention was held October 19-20, 2017, at the InterContinental Hotel in San Francisco, CA, hosted by the Department of Surgery, University of California, San Francisco. One hundred and three attendees included general and plastic surgeons from 9 countries, including principal participants for several of the seminal studies in the field. Over the course of the 2-day meeting, there were 38 oral presentations, 3 keynote lectures, and 2 panel discussions. The Symposium was a combination of new information but also a comprehensive review of the existing data so as to assess the current state of the field and to set the stage for future research. Further, the Symposium sought to increase awareness and thus emphasize the importance of preventing the formation of incisional and enterostomal hernias.

Una malla profiláctica funciona en la prevención de la hernia paraestomal / To Prevent Parastomal Hernia After Stomal Surgery, a Prophylactic Mesh does Work

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