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BACKGROUND: Bile duct injury (BDI) causes significant sequelae for the patient in terms of morbidity, mortality, and long-term quality of life, and should be managed in centers with expertise. Anatomical variants may contribute to a higher risk of BDI during cholecystectomy. AIMS: To report a case of bile duct injury in a patient with situs inversus totalis. METHODS: A 42-year-old female patient with a previous history of situs inversus totalis and a BDI was initially operated on simultaneously to the lesion ten years ago by a non-specialized surgeon. She was referred to a specialized center due to recurrent episodes of cholangitis and a cholestatic laboratory pattern. Cholangioresonance revealed a severe anastomotic stricture. Due to her young age and recurrent cholangitis, she was submitted to a redo hepaticojejunostomy with the Hepp-Couinaud technique. To the best of our knowledge, this is the first report of BDI repair in a patient with situs inversus totalis. RESULTS: The previous hepaticojejunostomy was undone and remade with the Hepp-Couinaud technique high in the hilar plate with a wide opening in the hepatic confluence of the bile ducts towards the left hepatic duct. The previous Roux limb was maintained. Postoperative recovery was uneventful, the drain was removed on the seventh post-operative day, and the patient is now asymptomatic, with normal bilirubin and canalicular enzymes, and no further episodes of cholestasis or cholangitis. CONCLUSIONS: Anatomical variants may increase the difficulty of both cholecystectomy and BDI repair. BDI repair should be performed in a specialized center by formal hepato-pancreato-biliary surgeons to assure a safe perioperative management and a good long-term outcome.

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ABSTRACT BACKGROUND: Bile duct injury (BDI) causes significant sequelae for the patient in terms of morbidity, mortality, and long-term quality of life, and should be managed in centers with expertise. Anatomical variants may contribute to a higher risk of BDI during cholecystectomy. AIMS: To report a case of bile duct injury in a patient with situs inversus totalis. METHODS: A 42-year-old female patient with a previous history of situs inversus totalis and a BDI was initially operated on simultaneously to the lesion ten years ago by a non-specialized surgeon. She was referred to a specialized center due to recurrent episodes of cholangitis and a cholestatic laboratory pattern. Cholangioresonance revealed a severe anastomotic stricture. Due to her young age and recurrent cholangitis, she was submitted to a redo hepaticojejunostomy with the Hepp-Couinaud technique. To the best of our knowledge, this is the first report of BDI repair in a patient with situs inversus totalis. RESULTS: The previous hepaticojejunostomy was undone and remade with the Hepp-Couinaud technique high in the hilar plate with a wide opening in the hepatic confluence of the bile ducts towards the left hepatic duct. The previous Roux limb was maintained. Postoperative recovery was uneventful, the drain was removed on the seventh post-operative day, and the patient is now asymptomatic, with normal bilirubin and canalicular enzymes, and no further episodes of cholestasis or cholangitis. CONCLUSIONS: Anatomical variants may increase the difficulty of both cholecystectomy and BDI repair. BDI repair should be performed in a specialized center by formal hepato-pancreato-biliary surgeons to assure a safe perioperative management and a good long-term outcome.

RESUMO RACIONAL: As lesões de via biliar (LVB) impõem sequelas significativas ao paciente em termos de morbidade, mortalidade e qualidade de vida a longo prazo, devendo ser manejadas em centros especializados. Variantes anatômicas podem contribuir para um maior risco de LVB durante colecistectomia. OBJETIVOS: Relatar paciente com lesão de via biliar associado a situs inversus totalis. MÉTODOS: Paciente do sexo feminino, 42 anos, com histórico prévio de situs inversus totalis e LVB inicialmente reparada simultaneamente à lesão, há 10 anos, por um cirurgião não especializado. Ela foi encaminhada a um centro especializado devido a episódios recorrentes de colangite e um padrão laboratorial colestático. Colangiressonância revelou uma grave estenose anastomótica. Devido à sua idade jovem e colangites recorrentes, foi submetida a uma revisão cirúrgica da hepaticojejunostomia com técnica de Hepp-Couinaud. Até onde sabemos, este é o primeiro relato de reparo de LVB em um paciente com situs inversus totalis. RESULTADOS: A hepaticojejunostomia realizado prèviamente foi desfeita e refeita empregando a técnica de Hepp-Couinaud, alta na placa hilar, com uma ampla abertura na confluência dos ductos biliares em direção ao ducto hepático esquerdo. A alça de roux anterior foi mantida. A recuperação pós-operatória transcorreu sem intercorrências, o dreno foi removido no sétimo dia pós-operatório, e a paciente está agora assintomática, com bilirrubina e enzimas canalículares normais, e sem mais episódios de colestase ou colangite. CONCLUSÕES: Variantes anatômicas podem aumentar a dificuldade tanto da colecistectomia quanto do reparo de LVB, o qual deve ser realizado em um centro especializado por cirurgiões hepatobiliares para garantir um manejo perioperatório seguro e um bom resultado a longo prazo.

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Introduction: Pancreas is considered one of the organs most frequently affected by recurrence after nephrectomy secondary to renal cell carcinoma reporting an incidence of 20%, 85% of these occur within the first 3 years. Objective: The objective of the study is to evaluate overall survival and disease-free survival in patients with renal cancer and pancreatic metastases who underwent surgical treatment. Methods: A retrospective cross-sectional study of patients with histological diagnosis of renal cancer associated with pancreatic metastasis was performed and included those treated by pancreatoduodenectomy or distal pancreatectomy during the period 1987-2020. Results: 14 patients with pancreatic metastasis were included. Two groups of patients were obtained: those who underwent pancreatic surgery for metastasis and those who did not undergo surgical procedure. According to the location of the metastasis, 71.4% corresponded to a single location and 28.6% to multiple locations. 57.1% underwent Whipple and 42.9% distal pancreatectomy. Survival after the surgical procedure was 1150 days versus 499 days in non-operated patients. Conclusion: Pancreatic metastases due to RCC can be curable, improve morbidity, and increase disease-free survival with surgical treatment.

Introducción: El páncreas es considerado de los órganos más frecuentemente afectados por recurrencia después de la nefrectomía secundaria a carcinoma de células renales notificándose una incidencia de 20%, 85% de estas ocurren dentro de los primeros 3 años. Objetivo: Evaluar la sobrevida general y sobrevida libre de enfermedad en pacientes con cáncer renal y metástasis pancreáticas sometidos a tratamiento quirúrgico. Métodos: Se realizó un estudio retrospectivo transversal de pacientes con diagnóstico histológico de cáncer renal asociado a metástasis pancreática y se incluyeron aquellos tratados mediante cirugía de tipo pancreatoduodenectomía o pancreatectomía distal durante el periodo de tiempo 1987-2020. Resultados: Se incluyeron 14 pacientes con metástasis a páncreas. Se obtuvieron dos grupos de pacientes: sometidos a cirugía pancreática por metástasis y aquellos que no se les realizó procedimiento quirúrgico. De acuerdo a la localización de la metástasis 71.4% correspondía a ubicación única y 28.6% a ubicación múltiple. Al 57.1% se les realizó Whipple y 42.9% pancreatectomía distal. La sobrevida tras el procedimiento quirúrgico, fue de 1150 días vs. 499 días en no operados. Conclusión: Las metástasis a páncreas por CCR pueden ser curables, mejorar la morbilidad y aumentar la sobrevida libre de enfermedad con tratamiento quirúrgico.

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BACKGROUND: The Mexican Hepato-Pancreato-Biliary Association (AMHPB) conducted a survey, aiming to gather experience and opinions of HPB surgeons about HPB surgery in the 2020 COVID-19 pandemic year. METHODS: An online survey was conducted (33 items: demographics, patient referral, COVID-19 screening and limitations, hospital occupancy and surgical practice) to AMHPB members and attendees of the previous meetings of the Society through a self-administered questionnaire. Answers were excluded if respondents were not from Latin America. RESULTS: 88 participants answered (47.5 ± 10 years, 94% male and 65.9% Mexicans). About 8% worked in COVID-19 converted hospitals. About 1.1% did not perform pre-operative COVID-19 testing. Polymerase chain reaction (33%) was the most common COVID-19 pre-operative test. The number of patient referrals decreased 62.5%. About 29.5% had one patient who died from COVID-19 during preoperative surgical evaluation. About 64.7% answered that surgical case volume decreased. About 17% and 23% respondents considered that surgical morbidity and mortality increased, respectively. Hospital resources and COVID-19 infection were responsible for change in surgical outcomes. Lack of ICU beds (54%) was the most common cause of surgical cancellation. CONCLUSION: COVID-19 had a strong negative impact on HPB surgery in Mexico and Latin America in terms of patient reference, case volume and surgical outcomes.

INTRODUCCIÓN: La Asociación Mexicana Hepato-Pancreato-Biliar (AMHPB) realizó una encuesta con el objetivo de recopilar experiencias/opiniones de cirujanos HPB sobre cirugía HPB en el 2020 con pandemia COVID-19. MÉTODOS: Se realizó encuesta virtual (33 ítems: demografía, derivación de pacientes, tamizaje/limitaciones COVID-19, ocupación hospitalaria y práctica quirúrgica) a miembros de la AMHPB y asistentes a reuniones previas de la Sociedad a través de un cuestionario autoadministrado. Se excluyeron las respuestas que no fueran de América Latina. RESULTADOS: Respondieron 88 participantes (47.5 ± 10 años, 94% hombres y 65.9% mexicanos). 8% trabajaba en hospitales reconvertidos COVID-19. 1,1% no realizó prueba COVID-19 preoperatoria. La Polymerase chain reaction (33%) fue laprueba preoperatoria COVID-19 más común. Lareferencia de pacientes disminuyó 62,5%. El 29,5% tuvo paciente fallecido por COVID-19 durante la evaluación preoperatoria. 64,7% respondió que el volumen de casos quirúrgicos disminuyó. El 17% y23% consideraron que la morbilidad y mortalidad quirúrgicas aumentaron respectivamente. Los recursos hospitalarios e infección por COVID-19 influyeron en los resultados quirúrgicos. La falta de camas de UCI (54%) fue lo más común en cancelación quirúrgica. CONCLUSIÓN: COVID-19 tuvo un fuerte impacto negativo en la cirugía HPB en México y América Latina en referencia de pacientes, volumen de casos y resultados quirúrgicos.

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Pancreatic cancer is a pathology with a high mortality rate since it is detected at advanced stages, so the search for early-stage diagnostic biomarkers is essential. Liquid biopsies are currently being explored for this purpose and educated platelets are a good candidate, since they are known to present a bidirectional interaction with tumor cells. In this work, we analyzed the effects of platelets on cancer cells' viability, as determined by MTT, migration using transwell assays, clonogenicity in soft agar and stemness by dilution assays and stem markers' expression. We found that the co-culture of platelets and pancreatic cancer cells increased the proliferation and migration capacity of BXCP3 cells, augmented clonogenicity and induced higher levels of Nanog, Sox2 and Oct4 expression. As platelets can provide horizontal transfer of microRNAs, we also determined the differential expression of miRNAs in platelets obtained from a small cohort of pancreatic cancer patients and healthy subjects. We found clear differences in the expression of several miRNAs between platelets of patients with cancer healthy subjects. Moreover, when we analyzed microRNAs from the platelets of the pancreatic juice and blood derived from each of the cancer patients, interestingly we find differences between the blood- and pancreatic juice-derived platelets suggesting the presence of different subpopulations of platelets in cancer patients, which warrant further analysis.

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Liver function tests help in the follow-up of postoperative patients with iatrogenic bile duct injury. There is not clear evidence regarding their predictive role on anastomosis dysfunction. We describe our experience with postoperative liver function tests and a predictive model of long-term patency after repair. This is retrospective cohort study of patients with bilioenteric anastomosis for bile duct injury and their long-term follow-up. A binomial logistic regression model was performed to ascertain the effects of the grade of bile duct injury and liver function test in the postoperative period. A total of 329 patients were considered for the analysis. In the logistic regression model two predictor variables were statistically significant for anastomosis stenosis: type of bilioenteric anastomosis and alkaline phosphatase levels. A ROC curve analysis was made for alkaline phosphatase with an area under the curve of 0.758 (95% CI 0.67-0.84). A threshold of 323 mg/dL was established (OR 6.0, 95% CI 2.60-13.83) with a sensitivity of 75%, specificity of 67%, PPV of 20%, NPV of 96%, PLR of 2.27 and NLR of 0.37. Increased alkaline phosphatase (above 323 mg/dL) after the fourth operative week was found to be a predictor of long-term dysfunction.

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OBJECTIVE: The aim of this study is to assess the perceptions of the impact of health-care disruption due to COVID-19 on the academic training and skills of surgical trainees. MATERIAL AND METHODS: We developed a 32-question survey assessing the clinical and surgical impact of COVID-19 on surgical training programs and proposals to compensate for the decrease in surgical education. We got 453 responses of surgical trainees in Mexico City. RESULTS: Sixty-six percent of the respondents answered that their centers had converted to the exclusive attention of COVID-19 patients. Ninety-five percent reported a decrease in surgical skills learning and 91.8% reported a decrease to clinical exposure. On proposals, 75.6% reported that it is essential to take the necessary measures to recover the clinical and surgical milestones lost. In the binary logistic regression analysis, we found that the postgraduate year (≥ PG-Y3) was statistically significant factor (p ≤ 0.000) related to a favorable opinion to developing an academic contingency plan and postponing the end of the academic residency year. CONCLUSION: More than 90% of the survey respondents reported having been affected by COVID-19 mitigation strategies. Our data calls for urgent training adjustments by hospital and university program leaders to mitigate downstream educational repercussions.

OBJETIVO: Evaluar las percepciones del impacto de la interrupción de la atención médica por COVID-19 en la formación académica y las habilidades de los residentes quirúrgicos. MATERIAL Y MÉTODOS: Realizamos una encuesta de 32 preguntas, evaluando el impacto clínico y quirúrgico del COVID-19 en los programas de entrenamiento quirúrgico y propuestas para compensar la disminución de la educación quirúrgica. Obtuvimos 453 respuestas de residentes quirúrgicos en la Ciudad de México. RESULTADOS: El 66% respondió que sus centros se convirtieron en atención exclusiva de pacientes con COVID-19. El 95% presentó una disminución en el aprendizaje de habilidades quirúrgicas y el 91. 8% presentó una disminución de la exposición clínica. El 75.6% consideró fundamental tomar las medidas necesarias para recuperar las destrezas clínicas perdidas. En el análisis de regresión logística binaria, encontramos que el año de posgrado (> PG-Y3) fue un factor estadísticamente significativo (p <0,000) relacionado con una opinión favorable para desarrollar un plan de contingencia académica y posponer el final del año de residencia académica. CONCLUSIÓN: Más del 90% de los encuestados fueron afectados por las estrategias de mitigación de COVID-19. Nuestros datos exigen ajustes urgentes por parte de los líderes de programas de hospitales y universidades para mitigar las repercusiones educativas posteriores.

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In the past three decades, several technologies designed for other purposes, have been applied in surgery to provide more precision to the surgical procedures and better outcomes. In surgery, innovation requires evidence before widespread implementation of novelties and a continuous quality improvement process to assess benefits and risks. Robotics in surgery has been widely implemented, but in some cases, there are many doubts regarding its clinical benefit and cost utility. The future of surgery lies in the fulfillment of four main conditions: safety, access, efficiency, and efficacy. Innovation and technology should help to accomplish these conditions, but it must not be the center of surgical practice. We present here our perspective on the main issues related to technology and robotics focusing on evidence-based surgery.

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BACKGROUND: Bile duct injury (BDI) is accompanied by significant morbidity and long-term impact in quality of life. Subtotal cholecystectomy (STC) is an alternative to prevent this outcome but is associated with other complications. The aim of this work is to demonstrate that BDI associated morbidity exceeds STC associated morbidity, underscoring STC as a reasonable bail out strategy. METHODS: We compared 115 patients who underwent STC with 293 patients who were referred to our center with BDI type E1-E3 and underwent surgical repair. The groups were comparable because in both instances the surgeon had the opportunity to decide not to perform a total cholecystectomy once critical view of safety (CVS) was not achieved. RESULTS: Bile leakage was found in 21% of the STC group with only one BDI (0.9%). More Accordion ≥ 4 were found in the STC group (10.4% vs 4.8%, p = 0.035); however, reoperations were more frequent in the BDI group (8.2% vs 0.9%, p = 0.006). No patient in the STC group required reintervention for completion cholecystectomy. After 3.8 years follow-up, 2.4% of patients had secondary biliary cirrhosis in the BDI group; none in the STC group. CONCLUSIONS: Despite complications of STC, morbidity associated with BDI is much higher due to high long-term reoperation rate, in addition to secondary biliary cirrhosis. STC is a safe alternative that can prevent BDI if properly and timely performed in the context of difficult cholecystectomy.

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Idiopathic acute recurrent pancreatitis (IARP) is defined as at least two episodes of acute pancreatitis with the complete or near-complete resolution of symptoms and signs of pancreatitis between episodes, without an identified cause. There is a paucity of information about the usefulness of endoscopic ultrasound (EUS) in IARP. OBJECTIVES: To determine the diagnostic yield of EUS in IARP. DESIGN: A retrospective study was performed in patients with IARP evaluated by EUS between January 2009 and December 2016. Follow-up assessments of acute pancreatitis recurrence were carried out. RESULTS: Seventy-three patients with 102 EUS procedures were included. EUS was able to identify the cause of IARP in 55 patients (75.3%). The most common findings were chronic pancreatitis in 27 patients (49.1%), followed by lithiasic pathology in 24 patients (43.6%), and intraductal papillary mucinous neoplasm in four patients (7.3%). A directed treatment against EUS findings had a protective tendency associated with the final resolution of recurrence. There were no complications reported. CONCLUSION: EUS performed in patients with IARP helped to identify a possible cause in 2/3 of the cases. The majority of patients have a treatable disease.

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BACKGROUND: Several guidelines have put forward recommendations about the perioperative process of cholecystectomy. Despite the recommendations, controversy remains concerning several topics, especially in low- and middle-income countries. The aim of this study was to develop uniform recommendations for perioperative practices in cholecystectomy in Mexico to standardize this process and save public health system resources. METHODS: A modified Delphi method was used. An expert panel of 23 surgeons anonymously completed two rounds of responses to a 29-item questionnaire with 110 possible answers. The consensus was assessed using the percentage of responders agreeing on each question. RESULTS: From the 29 questions, the study generated 27 recommendations based on 20 (69.0%) questions reaching consensus, one that was considered uncertain (3.4%), and six (20.7%) items that remained open questions. In two (6.9%) cases, no consensus was reached, and no recommendation could be made. CONCLUSIONS: This study provides recommendations for the perioperative management of cholecystectomy in public hospitals in Mexico. As a guide for public institutions in low- and middle-income countries, the study identifies recommendations for perioperative tests and evaluations, perioperative decision making, postoperative interventions and institutional investment, that might ensure the safe practice of cholecystectomy and contribute to conserving resources.

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Pancreatic ductal adenocarcinoma is one of the most lethal forms of solid tumors. These tumors arise from the exocrine component of the pancreas, probably from acinar stem cells1-3.

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BACKGROUND: Currently, no standards for HPB training exist in Latin America. The aim of this work is to evaluate fellows' experience of HPB training and the areas of opportunity to improve. METHODS: A 35 points survey was developed and distributed among fellows from dedicated HPB training programs in Latin America. The survey was applied by direct phone call (37%) or web based (63%), to fellows graduated between 2010 and 2014, from 7 different programs. RESULTS: Thirty-nine fellows from Argentina, Brazil, Chile and México were considered with a response rate of 82% (32/39). Most fellows (90%) shared cases with more than one co-fellow. Scrubbing with chief residents ocurred to 60% of fellows; only 14% of fellows noted having a primary surgeon role in more than 70% of cases. Median number of major hepatectomies during training was 15 (1-100), Whipple procedures 6 (1-40), and major bile duct repair 20 (1-80). Limited funding was the main reason to avoid HPB programs outside the country of origin. CONCLUSION: HPB training in Latin America requires more operative volume and autonomy. Financial burden is the main limitation to pursue training overseas. A multinational fellowship that takes advantage of each center may overcome differences in volume and type of cases.

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BACKGROUND: An international group proposed a standardized terminology to report outcomes after bile duct repair. Data on this surgical complication vary depending on the center and country where patients are treated. The aim of this work is to show disparities in the care process of bile duct injury between patients from two different income-level countries, using a standard terminology of outcomes and clinical reporting. METHODS: A retrospective review comparing primary repair and re-repaired cases performed in an upper middle-income country (UMIC) versus primary repair cases treated in a high-income country (HIC) was performed. All pertinent data included in the tabular reporting system and outcomes classification were collected. Patients' characteristics were reported by calculating descriptive statistics. RESULTS: A total of 261 patients from UMIC (148 (56%) primary repair and 113 (44%) re-repair) were compared with 122 primary repair from HIC. Open cholecystectomy (55.4% vs 3.3%) and more E4 injuries (37.8% vs 19.7%) were found in the UMIC group. More Accordion 3 and higher complications were present in the UMIC primary and repair groups, as well as more episodes of postoperative acute cholangitis. Eleven patients were listed for liver transplant in the UMIC re-repair group. Primary patency by the end of the index treatment period was present in 217 (83%) of the full UMIC cohort. Median time to loss of primary patency was not reached in the primary repair, and was 3.8 years in the re-repair group. Patency was below HIC primary repaired cases. CONCLUSIONS: Standardized reporting outcomes after primary repair are applicable to re-repaired patients and are helpful to compare different populations, showing better outcomes in HIC. Measures of surgical access disparities exist among the process of bile duct injury care.

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BACKGROUNDS/AIMS: The frequency of acute cholecystitis reported in neutropenic patients is between 0.4-1.65%. Clinical manifestations differ from general population as well as clinical approach, diagnosis and treatment. The aim of this work is to describe clinical characteristics, diagnostic approach, and outcomes of patients with hematological diseases that presented with neutropenia and fever associated with acute cholecystitis in a tertiary referral hospital. METHODS: We performed a retrospective analysis of patients with diagnosis of neutropenia and fever associated with acute cholecystitis in the period between January 2000 and January 2017. Quantitative variables were analyzed with mean and standard deviation, and qualitative variables with frequency and percentage. RESULTS: During the study period, 2007 patients presented with neutropenia and fever. Twelve of them (0.59%) had associated acute cholecystitis. The most common hematologic disease among these patients was lymphoblastic leukemia. Acute acalculous cholecystitis was diagnosed in 6 cases (50%). Eleven patients (91.6%) had a severe presentation and cholecystostomy was performed in 9 (75%) cases. The main cause of mortality was septic shock (33.3%). CONCLUSIONS: Treatment of acute cholecystitis in patients with neutropenia must be individualized. Cholecystostomy should be considered as a bridge therapy for an interval cholecystectomy.

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BACKGROUND: Pasireotide is a newer generation somatostatin analogue that led to a significant reduction in pancreatic fistula after pancreatectomy in a single-center randomized controlled trial. We sought to determine if pasireotide reduces the incidence of pancreatic fistula and other complications after pancreaticoduodenectomy at our high volume center. STUDY DESIGN: All patients undergoing pancreaticoduodenectomy between April 2011 and January 2017 were prospectively followed, and their complications were graded using the Modified Accordion Grading System (MAGS) in our institutional complications database. For 18 months, 5 pancreatic surgeons used pasireotide routinely in patients undergoing pancreaticoduodenectomy. Patients receiving pasireotide were then propensity score-matched to patients who did not receive pasireotide, and their outcomes were compared. RESULTS: There were 459 patients who underwent pancreaticoduodenectomy, and 127 patients (28%) received pasireotide. Patients who received pasireotide were significantly more likely to have dilated pancreatic ducts and have a drain left at the time of surgery. Patients who received pasireotide had no difference in pancreatic fistula, overall complications, 90-day readmission, or 90-day mortality. However, patients who received pasireotide had a significantly reduced rate of postoperative bleeding/anemia (8.7% vs 16.9%, p = 0.03). Among 112 propensity score-matched pairs, patients who received pasireotide did not have significantly different rates of pancreatic fistula, and the rates of severe (MAGS grades 3 to 6) pancreatic fistula were identical between the 2 groups (7.1% vs 7.1%, p = 1.00). Matched patients who received pasireotide had significantly decreased postoperative bleeding/anemia (9.8% vs 19.6%, p = 0.04). CONCLUSIONS: Pasireotide did not reduce the incidence or severity of pancreatic fistulas after pancreaticoduodenectomy, but was associated with a decrease in postoperative bleeding/anemia. A multicenter randomized trial is needed to accurately define the role of pasireotide in the postoperative management of pancreaticoduodenectomy patients.

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Surgical education has seen tremendous changes in the US over the past decade. The Halstedian training model of see one, do one, teach one that governed surgical training for almost 100 years has been replaced by the achievement of the ACGME competencies, milestones, entrustable professional activities (EPAs), and acquisition of surgical skill outside the operating room on simulators. Several of these changes in American medical education have been influenced by educators and training paradigms abroad. In this paper, we review the training paradigms for surgeons in the UK, Japan, and Mexico to allow comparisons with the US training paradigm and promote the exchange of ideas.

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