[Initial experience of minimally invasive liver resection at a reference center in Mexico].

Objective: Minimally invasive liver resection is employed worldwide for the management of benign and malignant liver lesions. There is no description of postoperative outcomes in the Mexican population. This study aims to report the initial experience in Mexico.

BILE DUCT INJURY REPAIR IN A PATIENT WITH SITUS INVERSUS TOTALIS.

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.

Overview of Current Hepatocellular Carcinoma Staging Systems: Is There an Optimal System?

Multiple hepatocellular carcinoma (HCC) staging systems have been proposed and used clinically over time. These may consider clinical, pathological, radiological, or treatment response factors, depending on the model. Given the heterogeneity of HCC treatment in its different stages and the validation of the systems in different populations, they are not universal.

[Surgical resection and survival of clear cell renal cancer metastases to the pancreas].

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.

Current Practices in Hepatic Artery Infusion (HAI) Chemotherapy: An International Survey of the HAI Consortium Research Network.

Background: An increasing number of hepatic artery infusion (HAI) programs have been established worldwide. Practice patterns for this complex therapy across these programs have not been reported. This survey aimed to identify current practice patterns in HAI therapy with the long-term goal of defining best practices and performing prospective studies.

Hepato-pancreato-biliary surgery in Mexico and Latin America during the COVID-19 pandemic (2020): Results from AMHPB survey.

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.

Pancreatic Cancer Cells Induce MicroRNA Deregulation in Platelets.

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.

Considerations and barriers to starting a new HAI pump program: an international survey of the HAI Consortium Research Network.

Background: Widespread implementation of HAI pump chemotherapy has been limited by logistic and feasibility concerns. Recent studies demonstrating excellent outcomes have fueled renewed enthusiasm and multiple new programs have emerged. This survey aims to identify barriers critical to establish a successful HAI program.

Postoperative liver function tests can predict anastomotic dysfunction after bile duct injury repair.

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.

Impact of COVID-19 on surgical residency training programs in Mexico City: The third victim of the pandemic. A resident's perspective.

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.

Liver Transplantation as Definitive Treatment of Post-cholecystectomy Bile Duct Injury: Experience in a High-volume Repair Center.

Objective: To analyze the perioperative and long-term outcomes of patients undergoing LT due to BDI in a tertiary care center.

Background: BDI is associated with significant morbidity and long-term impact on quality of life. LT represents the only possibility of a cure in patients with BDI who develop SBC.

THE FUTURE OF TECHNOLOGY AND ROBOTICS IN SURGERY.

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.

Adult pancreatoblastoma: A rare malignant tumor of the pancreas.

Pancreatoblastoma (PB) is a rare malignant tumor in adults. It has an overall incidence of 0.004 per 100,000 inhabitants.

Subtotal Cholecystectomy After Failed Critical View of Safety Is an Effective and Safe Bail Out Strategy.

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.

Utility of endoscopic ultrasound in idiopathic acute recurrent pancreatitis.

Unlabelled: 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.

Establishing consensus on the perioperative management of cholecystectomy in public hospitals: a Delphi study with an expert panel in Mexico.

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.

Precision Oncology in Pancreatic Cancer. From Surgery- to Genetic-Based Chemotherapy.

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.

Defining Benchmark Outcomes for Pancreatoduodenectomy With Portomesenteric Venous Resection.

Objective: The aim of this study was to establish clinically relevant outcome benchmark values using criteria for pancreatoduodenectomy (PD) with portomesenteric venous resection (PVR) from a low-risk cohort managed in high-volume centers.

Summary Background Data: PD with PVR is regarded as the standard of care in patients with cancer involvement of the portomesenteric venous axis. There are, however, no benchmark outcome indicators for this population which hampers comparisons of patients undergoing PD with and without PVR resection.

Acute cholecystitis in neutropenic patients.

Backgrounds/aims: The frequency of acute cholecystitis reported in neutropenic patients is between 0.4-1.65%.

Fellows perspective of HPB training in Latin America.

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.

Disparities in bile duct injury care.

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.