Step-up approach for the treatment of infected necrotising pancreatitis: real life data from a single-centre experience with long-term follow-up.

BACKGROUND: About 20% of patients with acute pancreatitis develop a necrotising form with a worse prognosis due to frequent appearance of organ failure(s) and/or infection of necrosis. Aims of the present study was to evaluate the "step up" approach treatment of infected necrosis in terms of: feasibility, success in resolving infection, morbidity of procedures, risk factors associated with death and long-term sequels. METHODS: In this observational retrospective monocentric study in the real life, necrotizing acute pancreatitis at the stage of infected walled-off necrosis were treated as follow: first step with drainage (radiologic and/or endoscopic-ultrasound-guided with lumen apposing metal stent); in case of failure, minimally invasive necrosectomy sessions(s) by endoscopy through the stent and/or via retroperitoneal surgery (step 2); If necessary open surgery as a third step. Efficacy was assessed upon to a composite clinical-biological criterion: resolution of organ failure(s), decrease of at least two of clinico-biological criteria among fever, CRP serum level, and leucocytes count). RESULTS: Forty-one consecutive patients were treated. The step-up strategy: (i) was feasible in 100% of cases; (ii) allowed the infection to be resolved in 33 patients (80.5%); (iii) Morbidity was mild and rapidly resolutive; (iv) the mortality rate at 6 months was of 19.5% (significant factors: SIRS and one or more organ failure(s) at admission, fungal infection, size of the largest collection ≥ 16 cm). During the follow-up (median 72 months): 27% of patients developed an exocrine pancreatic insufficiency, 45% developed or worsened a previous diabetes, 24% had pancreatic fistula and one parietal hernia. CONCLUSIONS: Beside a very good feasibility, the step-up approach for treatment of infected necrotizing pancreatitis in the real life displays a clinico-biological efficacy in 80% of cases with acceptable morbidity, mortality and long-term sequels regarding the severity of the disease.

A core outcome set for acute necrotizing pancreatitis: An Eastern Association for the Surgery of Trauma modified Delphi method consensus study.

BACKGROUND: The management of acute necrotizing pancreatitis (ANP) has changed dramatically over the past 20 years including the use of less invasive techniques, the timing of interventions, nutritional management, and antimicrobial management. This study sought to create a core outcome set (COS) to help shape future research by establishing a minimal set of essential outcomes that will facilitate future comparisons and pooling of data while minimizing reporting bias. METHODS: A modified Delphi process was performed through involvement of ANP content experts. Each expert proposed a list of outcomes for consideration, and the panel anonymously scored the outcomes on a 9-point Likert scale. Core outcome consensus defined a priori as >70% of scores receiving 7 to 9 points and <15% of scores receiving 1 to 3 points. Feedback and aggregate data were shared between rounds with interclass correlation trends used to determine the end of the study. RESULTS: A total of 19 experts agreed to participate in the study with 16 (84%) participating through study completion. Forty-three outcomes were initially considered with 16 reaching consensuses after four rounds of the modified Delphi process. The final COS included outcomes related to mortality, organ failure, complications, interventions/management, and social factors. CONCLUSION: Through an iterative consensus process, content experts agreed on a COS for the management of ANP. This will help shape future research to generate data suitable for pooling and other statistical analyses that may guide clinical practice. LEVEL OF EVIDENCE: Therapeutic/Care Management; Level V.

Prediction of Admission to Intensive Care Unit and 1-Year Mortality After Acute Pancreatitis With Walled-Off Pancreatic Necrosis: A Retrospective, Single-Center Cohort Study.

BACKGROUND AND AIMS: Pancreatic walled-off necrosis (WON) carries significant mortality and morbidity risks, often necessitating intensive care unit (ICU) admission. This retrospective study aimed to evaluate whether routine biochemical parameters at the time of the index endoscopic procedure could predict ICU admission and 1-year mortality following endoscopic treatment of WON. MATERIALS AND METHODS: We retrospectively identified 201 consecutive patients who underwent endoscopic drainage for WON between January 1, 2010, and December 31, 2020. Associations between routine biochemical blood tests and outcomes were assessed using logistic regression models. RESULTS: Within 1 year of the index endoscopy, 31 patients (15.4%) died, and 40 (19.9%) were admitted to the ICU due to sepsis. Preoperative electrolyte disturbances were more prevalent among ICU-admitted patients and nonsurvivors. Hyperkalemia, hypoalbuminemia, and elevated urea were significant predictors of 1-year mortality, while hypernatremia, elevated serum creatinine, and hypoalbuminemia predicted ICU admission. Predictive models exhibited good discriminative ability, with an AUC of 0.84 (95% CI,0,75-0.93) for 1-year mortality and 0.86 (95%CI, 0.79-0.92) for ICU admission. CONCLUSIONS: Preoperative imbalances in routine blood tests effectively predict adverse outcomes in endoscopically treated WON patients.

Repetitive endoscopic drainage as initial intervention is safe and effective for early treatment of pancreatic necrotic collections.

BACKGROUND: While endoscopic step-up approach with delayed drainage (more than 28 days from diagnosis) was shown to produce the best outcomes in the treatment of pancreatic walled-off necrosis (WON), we assessed our single centre experience of early versus delayed endoscopic drainage of pancreatic necrotic collections. METHODS: Patients who underwent endoscopic drainage of pancreatic necrotic collections between 2011 and 2022 under Monash Health were identified. They were excluded if below 18 years old or their follow up data were missing. The included patients' medical records, pathology results, and imaging findings were retrospectively reviewed. RESULTS: A total of 60 patients were included. 31.58% required percutaneous drainage and 15% received either endoscopic or surgical necrosectomy. The disease related mortality was 8.47% and the average length of stay (LOS) was 70.92 days. No significant difference was shown in disease-related mortality (10.5% vs. 7.5%, P = 0.697) or LOS (75.35 vs. 68.7, P = 0.644) between early and delayed drainage cohorts, but patients who received early drainage have higher qSOFA score on the day of drainage (2 vs. 0, P = 0.004). DISCUSSION: Repetitive endoscopic drainage with selective percutaneous drainage is effective in the management of pancreatic necrotic collections. Early drainage should be considered in patients who developed severe sepsis.

The Potential Clinical Benefits of Direct Surgical Transgastric Pancreatic Necrosectomy for Patients With Infected Necrotizing Pancreatitis.

OBJECTIVE: Surgical transgastric pancreatic necrosectomy (STGN) has the potential to overcome the shortcomings (ie, repeat interventions, prolonged hospitalization) of the step-up approach for infected necrotizing pancreatitis. We aimed to determine the outcomes of STGN for infected necrotizing pancreatitis. MATERIALS AND METHODS: This observational cohort study included adult patients who underwent STGN for infected necrosis at two centers from 2008 to 2022. Patients with a procedure for pancreatic necrosis before STGN were excluded. Primary outcomes included mortality, length of hospital and intensive care unit (ICU) stay, new-onset organ failure, repeat interventions, pancreatic fistulas, readmissions, and time to episode closure. RESULTS: Forty-three patients underwent STGN at a median of 48 days (interquartile range [IQR] 32-70) after disease onset. Mortality rate was 7% (n = 3). After STGN, the median length of hospital was 8 days (IQR 6-17), 23 patients (53.5%) required ICU admission (2 days [IQR 1-7]), and new-onset organ failure occurred in 8 patients (18.6%). Three patients (7%) required a reintervention, 1 (2.3%) developed a pancreatic fistula, and 11 (25.6%) were readmitted. The median time to episode closure was 11 days (IQR 6-22). CONCLUSIONS: STGN allows for treatment of retrogastric infected necrosis in one procedure and with rapid episode resolution. With these advantages and few pancreatic fistulas, direct STGN challenges the step-up approach.

Correlation between Balthazar CT grading, CECT necrosis volume, attenuation value, and prognosis of patients with acute necrotizing pancreatitis.

To analyze the correlation between Balthazar CT grading and contrast-enhanced CT necrosis volume and attenuation value and prognosis of patients with acute necrotizing pancreatitis. Ninety-two patients with acute necrotizing pancreatitis who were treated in the hospital were selected between June 2019 and June 2021, and they were divided into the poor prognosis group and the good prognosis group according to the clinical prognosis at 6 months of follow-up. Balthazar CT, contrast-enhanced CT necrosis volume, and attenuation value were compared between the 2 groups. Multivariate logistic regression analysis was used to analyze the influencing factors. Receiver operating characteristic curve was adopted to analyze the predictive value. Among the 92 participants, there were 28 cases with good prognosis (30.43%) and 64 cases with poor prognosis (69.57%). The Acute Physiology and Chronic Health Evaluation II score, C-reactive protein, urea nitrogen, Balthazar CT, necrotic volume, and average attenuation value of the poor prognosis group were significantly higher than those of the good prognosis group (all P values <.05). The results of the multivariate logistic analysis showed that Balthazar CT grade, necrotic volume, and average attenuation value were independent risk factors for poor prognosis in patients with acute necrotizing pancreatitis (all P values <.05). The area under the curve of Balthazar CT grade, necrotic volume, average attenuation value, and the joint detection in predicting the prognosis of patients with acute necrotizing pancreatitis were 0.765, 0.624, 0.764, and 0.861, respectively. The Balthazar CT grading, necrosis volume, and average attenuation value are significantly higher among patients with acute necrotizing pancreatitis complicated with poor prognosis, and they are also independent risk factors for poor prognosis in patients with acute necrotizing pancreatitis, and can help clinically predict the prognosis of patients with acute necrotizing pancreatitis, and the combined detection has better application effects.

Agenesia de la Vesícula Biliar asociada a pancreatitis aguda recurrente. Presentación de caso / Gall bladder agenesis associated with recurrent acute pancreatitis. Case presentation

Introducción: La Agenesia de la Vesícula Biliar es una anomalía congénita rara, entre 13 y 65 por ciento por cada 100 000 habitantes. Su asociación con pancreatitis aguda es extremadamente rara. Objetivo: Presentar un caso de Agenesia de la Vesícula Biliar asociada a pancreatitis aguda recurrente. Presentación del caso: Se presenta una mujer de 85 años, con antecedentes de litiasis vesicular por ultrasonido (US), y crisis de dolor abdominal, vómitos e hipotensión frecuentes, a quien remitían con tratamiento médico. Acudió al hospital con dolor abdominal, vómitos e hipotensión. Al examen físico se constató: dolor epigástrico, sin reacción peritoneal ni tumor palpable. El US informó vesícula no visible. En menos de 24 horas evolucionó con shock, disfunción múltiple de órganos y muerte. En la necropsia se encontró Agenesia de la Vesícula Biliar (AVB) y pancreatitis aguda necrotizante. Conclusiones: La AVB es una anomalía congénita rara, de difícil diagnóstico preoperatorio, por lo que casi siempre es un hallazgo de la cirugía abdominal o en la autopsia. Su asociación con pancreatitis aguda es rara. La pancreatitis puede ser debida a Disfunción del Esfínter de Oddi o de origen idiopático(AU)

Introduction: Gallbladder agenesis (GA) is a rare congenital anomaly, with a reported incidence ranging between 13-65 percent a 100 000 population. Its association with acute pancreatitis is extremely rare. Objective: To present a case of GA associated with recurrent acute pancreatitis. Case Presentation: We present an 85 years old woman whose clinical record reported a bladder stonediagnosis by US, that arrive to the hospital with frequent episodes of intermittent vomiting, abdominal pain and hypotension. She was admitted at hospital with upper abdominal pain, vomiting and hypotension. At the physical examination the abdomen was soft, with mild epigastric tenderness, without tenderness rebound or tumor. US report gallbladder not visible. In less than 24 hours the patient evolved with shock, multiple organ failure and death. Gallbladder agenesis and acute pancreatitis were found in autopsy. Conclusions: The GA is a rare congenital anomaly, difficult to establish a correct preoperative diagnosis, always found during the abdominal surgery or autopsy. Its association with acute pancreatitis is very uncommon. Pancreatitis may be due to of Oddi Sphincter's Dysfunction (SOD) or idiopathic origin(AU)

Effects of diazoxide in experimental acute necrotizing pancreatitis

OBJECTIVE: We aimed to assess the effects of diazoxide on the mortality, pancreatic injury, and inflammatory response in an experimental model of acute pancreatitis. METHODS: Male Wistar rats (200-400 g) were divided randomly into two groups. Fifteen minutes before surgery, animals received physiological (0.9%) saline (3 mL/kg) (control group) or 45 mg/kg diazoxide (treatment group) via the intravenous route. Acute pancreatitis was induced by injection of 2.5% sodium taurocholate via the biliopancreatic duct. Mortality (n=38) was observed for 72 h and analyzed by the Mantel-Cox Log-rank test. To study pancreatic lesions and systemic inflammation, rats (10 from each group) were killed 3 h after acute pancreatitis induction; ascites volume was measured and blood as well as pancreases were collected. Pancreatic injury was assessed according to Schmidt's scale. Cytokine expression in plasma was evaluated by the multiplex method. RESULTS: Mortality at 72 h was 33% in the control group and 60% in the treatment group (p=0.07). Ascites volumes and plasma levels of cytokines between groups were similar. No difference was observed in edema or infiltration of inflammatory cells in pancreatic tissues from either group. However, necrosis of acinar cells was lower in the treatment group compared to the control group (3.5 vs. 3.75, p=0.015). CONCLUSIONS: Treatment with diazoxide can reduce necrosis of acinar cells in an experimental model of acute pancreatitis, but does not affect the inflammatory response or mortality after 72 h.

Morbimortalidad de necrosectomía pancreática abierta / (Open pancreatic necrosectomy morbility and mortality)

ResumenJustificación y objetivo:la necrosectomía pancreática abierta es un procedimiento quirúrgico usado en la pancreatitis aguda necrotizante infectada, con una mortalidad variable entre el 6% y el 80%, y una morbilidad que supera el 50% de los casos. En Costa Rica no existen estudios acerca de esta cirugía, por lo cual se hizo uno retrospectivo, observacional, de casos controles, con el objetivo de conocer los resultados quirúrgicos en nuestro centro hospitalario y compararlos con la estadística mundial, para intentar identificar patrones que modifiquen la mortalidad.Métodos:estudio observacional, descriptivo y retrospectivo de casos y controles. Se analizaron todos los pacientes sometidos a necrosectomía pancreática abierta en el hospital "Dr. R. A. Calderón Guardia", desde el 1 de enero de 2006 al 30 junio de 2014. Se definió como caso todo paciente que falleció posterior a una necrosectomía pancreática por pancreatitis necrotizante, y como control, todo paciente que sobrevivió posterior al diagnóstico y cirugía.Resultados:en el período 2006 - 2014 se analizaron 28 casos. La edad promedio de población fue de 47,7 años; 17 hombres y 11 mujeres; pancreatitis agudas severas en el 89,3% de casos, teniendo como principales causas: colelitiasis e ingesta etílica. Indicaciones quirúrgicas utilizadas: colección pancreática o peripancreática infectada y necrosis pancreática; momento quirúrgico promedio de 17,3 días; abordaje por línea media con necrosectomía y empaque más abdomen abierto mayormente usado. En promedio: 6,3 intervenciones quirúrgicas por paciente, con estancias medias en UCI y hospitalaria, de 26,6 y 47,5 días. Complicaciones frecuentes: fístula pancreática enel 53,6% de los casos, abscesos postoperatorios en el 53,6% también, y mortalidad del 35,7%. En cuanto a la mortalidad, se encontró que la perforación intestinal fue la principal condición de riesgo para fallecimiento, y la fístula pancreática, un factor protector.Conclusión:en el hospital del estudio, la necrosectomía pancreática abierta es un procedimiento de alta morbimortalidad.

AbstractBackground and aim:Open pancreatic necrosectomy is a surgical procedure used in infected acute necrotizing pancreatitis with a mortality that varies between studies from 6% to 80% and a morbidity that exceeds 50% of the cases. In Costa Rica there are no studies related to this surgery so a retrospective, observational and control study was done with the objective of knowing the surgical results in our center and comparing it with the world statistics and to identify patterns that modify mortality.Methods:Observational, descriptive and retrospective case-control study. All patients undergoing open pancreatic necrosectomy at the "Dr. R. A. Calderón Guardia" from January 1, 2006 to June 30, 2014 were reviewed. All patients who died after a pancreatic necrosectomy for necrotizing pancreatitis were defined as cases, and as a controls, all patients who survived after diagnosis and surgery.Results:In the period 2006 to 2014 in our tertiary center Hospital Calderón Guardia 28 cases were obtained, with the following results: average age of 47.7 years, 17 men and 11 women, severe acute pancreatitis was found in 89.3% of cases with cholelithiasis and alcohol ingestion as the main causes. Surgical indications were pancreatic and/or peripancreatic infected collection and pancreatic necrosis, surgical time average of 17.3 days, midline approach with necrosectomy and packing, plus open abdomen mostly used. On average, 6.3 surgeries per patient were made, with mean days in ICU and hospital stay of 26.6 and 47.5 days each. Most frequent pancreatic complications were pancreatic fistula in 53.6% of cases, postoperative abscesses in 53.6%, and mortality of 35.7%. Regarding mortality it was found that intestinal perforation was a risk factor fordeath and pancreatic fistula a protective factor.Conclusion:at the study hospital open pancreatic necrosectomy is a high morbidity and mortality procedure.

Therapeutic alternatives for the treatment of infected pancreatic necrosis: an overview / Alternativas terapéuticas para el tratamiento de la necrosis pancreática infecciosa: una visión general

Despite diagnostic and therapeutic advances, the treatment of infected pancreatic necrosis (IPN) continues to be a complex problem to solve. The aim of this study is to evaluate the effectiveness of different surgical alternatives for the treatment of IPN. Articles published between 2000 to 2013, and related to effectiveness of open surgery (OS) and minimally invasive treatmente (MIT) in patients with IPN were evaluated. PubMed, MEDLINE, The Cochrane Database of Systematic Reviews, Cochrane Central Register RCT, DARE, IBECS, SciELO, LILACS, PAHO, WHOLIS, ASERNIP-S, NIHR, HTA, Clinical Excellence, York Health Economic Consortium and Tripdatabase were reviewed, searching systematic reviews (SR), randomized clinical trials (RCT) and observational studies (OST), in which the effectiveness of OS and MIT was evaluated in relation to the variables mortality, intra-abdominal bleeding, development of enterocutaneous fistula or hollow viscera perforation, development of pancreatic fistula, reoperations for complications, reoperations for new necrosectomy, development of diabetes mellitus and pancreatic enzyme requirements. Three hundred eighty-nine articles were retrieved, 10 of which met the selection criteria (2 SR, 1 RCT and 7 OST). The studies have a level of evidence of 2a, 2b, 3a and 4. MIT are associated with better results than OS in all variables analyzed, but significantly only in the development of diabetes mellitus and pancreatic enzyme requirement. Articles found are few and heterogeneous, making meaningful conclusions difficult. Studies with a better level of evidence, methodological quality and population size are needed to make conclusions and recommendations.

A pesar de los avances diagnósticos y terapéuticos, el tratamiento de la necrosis pancreática infecciosa (NPI) sigue siendo un problema complejo de resolver. El objetivo de este estudio es evaluar la eficacia de las diferentes alternativas quirúrgicas para el tratamiento del NPI. Fueron evaluados artículos publicados entre 2000 y 2013, relacionados con la efectividad de la cirugía abierta (CA) y el tratamiento mínimamente invasivo (TMI) en pacientes diagnosticados con NPI. Se PubMed, MEDLINE, The Cochrane Database of Systematic Reviews, Cochrane Central Register RCT, DARE, IBECS, SciELO, LILACS, PAHO, WHOLIS, ASERNIP-S, NIHR, HTA, Clinical Excellence, York Health Economic Consortium y Tripdatabase, en búsqueda de revisiones sistemáticas (RS), ensayos clínicos aleatorios (ECA) y estudios observacionales (EO). En estos estudios se evaluó la eficacia de la cirugía y el TMI en relación con diferentes variables, como la mortalidad, el sangrado intra-abdominal, el desarrollo de fístula enterocutánea o la perforación de víscera hueca, el desarrollo de fístula pancreática, reintervenciones por complicaciones, reintervenciones por necrosectomía, el desarrollo de diabetes mellitus y la necesidad de enzimas pancreáticas. Se consiguieron 389 artículos, de los cuales 10 cumplieron con los criterios de selección (2 RS, 1 ECA y 7 EO). Los estudios presentaron un nivel de evidencia de 2a, 2b, 3a y 4. El TMI se asocia con mejores resultados que la CA en todas las variables analizadas, pero en forma significativa sólo en el desarrollo de la diabetes mellitus y la necesidad de enzimas pancreáticas. Los artículos encontrados son pocos y heterogéneos, lo que hace difícil poder alcanzar conclusiones significativas. Se necesitan estudios con un mejor nivel de evidencia, calidad metodológica y tamaño de población estudiada para poder establecer conclusiones y recomendaciones.

Ethyl-pyruvate reduces lung injury matrix metalloproteinases and cytokines and improves survival in experimental model of severe acute pancreatitis

PURPOSE: To investigate if the ethyl-pyruvate solution could reduce mortality in AP and/or diminish the acute lung injury. METHODS: Forty male rats, weighing between 270 to 330 grams were operated. An experimental model of severe AP by injection of 0.1ml/100g of 2.5% sodium taurocholate into the bilio-pancreatic duct was utilized. The rats were divided into two groups of ten animals each: CT - control (treatment with 50ml/kg of Ringer's solution, intraperitoneal) and EP (treatment with 50ml/kg of Ringer ethyl- pyruvate solution, intra-peritoneal), three hours following AP induction. After six hours, a new infusion of the treatment solution was performed in each group. Two hours later, the animals were killed and the pulmonary parenchyma was resected for biomolecular analysis, consisting of: interleukin, myeloperoxidase, MDA, nitric oxide, metalloproteinases and heat shock protein. In the second part of the experiment, another, 20 rats were randomly divided into EP and CT groups, in order to evaluate a survival comparison between the two groups. RESULTS: There were no significant differences in IL-1B,IL-10, MMP-9, HSP70, nitric oxide, MPO, MDA (lipidic peroxidation) concerning both groups. The levels of IL-6 were significantly diminished in the EP group. Furthermore, the MMP-2 levels were also reduced in the EP group (p<0.05). The animals from the EP treatment groups had improved survival, when compared to control group (p<0.05). CONCLUSION: The ethyl-pyruvate diminishes acute lung injury inflammatory response in acute pancreatitis and ameliorates survival when compared to control group, in the experimental model of necrotizing acute pancreatitis.

Identificando a la Pancreatitis aguda severa / Identifying the severe acute pancreatitis

OBJETIVOS: Comparar a pacientes con pancreatitis aguda con necrosis que no presentan complicaciones adicionales durante su hospitalización (Grupo A) versus aquellos pacientes con pancreatitis aguda con necrosis que presenten complicaciones adicionales durante su hospitalización (Grupo B). MÉTODOS: Se realizó el análisis sobre una base de datos preexistente de registros de pacientes hospitalizados con diagnóstico de pancreatitis aguda con necrosis de la Unidad de Pancreatitis Aguda Grave del Hospital Nacional Edgardo Rebagliati Martins entre 2000 y 2010. Se utilizaron los registros de todos los pacientes criterios diagnósticos de pancreatitis aguda severa con presencia de necrosis mayores de 18 años. RESULTADOS: Se incluyeron 215 registros de pacientes con PA con necrosis. Los pacientes del Grupo A representaron un 32% (68) y los del Grupo B el 68%(147). Grupo A tuvo un promedio de 39 días de hospitalización y el Grupo B tuvo un promedio de 56 días (p = 0.01). Del Grupo A 22% tuvieron más de 50% de necrosis mientras 43% del Grupo B tuvieron esta extensión de necrosis (p <0.05, OR 3.4, IC (1.12-10)). De los 14 casos fallecidos de toda la población, encontrándose todos ellos en el Grupo B, 12 de ellos tuvieron más de 50% de necrosis. CONCLUSIONES: No todos los casos clasificados como pancreatitis aguda severa, basados en la presencia de necrosis pancreática, se comportan de manera uniforme. Es la extensión de la necrosis pancreática (mayor a 50%) y no la sola presencia de la misma, la que determinaría una evolución con complicaciones adicionales y mayor mortalidad.

AIMS: To compare patients with acute necrotizing pancreatitis without any additional complications during their hospital stay (Group A) versus patients with Acute Necrotizing Pancreatitis with additional complications during their hospital stay (Group B) METHODS: Data obtained from a pre-existing base from hospitalized patients with diagnosis of acute necrotizing pancreatitis in the specialized unit of "Unidad de Pancreatitis Aguda Grave del Hospital Nacional Edgardo Rebagliati Martins" between 2000 and 2010. Data included patients with diagnosis of acute necrotizing pancreatitis, of ages 18 and over. RESULTS: Data from 215 patients with acute necrotizing pancreatitis was included. Patients from Group A represented 32% (68) and from Group B 68% (147). Group A had a average of 39 hospitalized days and Group B had an average of 56 days (p=0.01). From Group A 22% had more than 50% of necrosis while 43% of Group B had this extension of necrosis (p <0.05, OR 3.4, IC (1.12-10)). Of the 14 deaths of the population, all part of Group B, 12 of them had more than 50% of necrosis. CONCLUSIONS: Not every patient classified as severe acute pancreatitis, based on the presence of necrosis, behave likewise. It is an extended necrosis, described as more than 50% of pancreatic necrosis, and not the presence itself which will determine additional complications during the course of disease and a greater mortality.

Técnica quirúrgica para el tratamiento de la pancreatitis aguda grave con necrosis: Hospital Nacional Edgardo Rebagliati Martins / Surgery technic for treatment of serious acute pancreatitis with necrosis: Edgardo Rebagliati Martins Hospital

Se presenta una técnica quirúrgica de tipo cerrado con drenaje continuo y relaparotomías programadas para el tratamiento de la Pancreatitis Aguda Grave con necrosis, en 60 pacientes intervenidos por el autor y col. entre octubre de 1997 a enero del 2002 en la Unidad de Pancreatitis Aguda Grave del Hospital Nacional Edgardo Rebagliati Martins de Lima Perú como una alternativa para el manejo quirúrgico de esta patología.

Superioridad de los signos clínicos sobre los morfológicos en el pronóstico de mortalidad por necrosis pancreática infectada / Ranson clinical signs and inflammatory response in mortality prognostic by infected necrotic pancreatic lessions

Antecedentes: El pronóstico de la infección pancreática es controvertido. En la bibliografía actual predomina la idea que su mortalidad está en relación directa con la extensión de las lesiones necróticas. Objetivo: Comparar el valor para el pronóstico de mortalidad por necrosis infectada de los signos de Ranson con la extensión de la necrosis glandular pancreática. Lugar de aplicación: Hospital público de alta complejidad. Diseño: Análisis retrospectivo de una serie consecutiva de pacientes. Población: En 36 enfermos operados por necrosis infectada se evaluó la gravedad clínica al ingreso mediante los signos de Ranson y la extensión de la necrosis glandular mediante una tomografía computada dinámica, realizada más de una semana después del comienzo del ataque. Resultados: En los pacientes con más del 30 por ciento de necrosis glandular, la mortalidad por infección pancreática fue significativamente mayor (p < 0,001) en el grupo que presentaba más de 5 signos pronósticos al ingreso. Conclusiones: A igual extensión de necrosis glandular, la magnitud de la respuesta inflamatoria temprana es el principal determinante de la mortalidad por necrosis infectada. Su evaluación al comienzo del ataque mediante signos clínicos es esencial para el pronóstico y tratamiento de la pancreatitis aguda