Luis Eduardo Cárdenas-Lailson

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BACKGROUND Gastric neoplasms can be treated by laparoscopy in a safe and efficient way. Some lesions are not accessible to laparoscopic surgery due to their location. A transgastric approach is proposed as an alternative. OBJECTIVE Show the results with the application of an endoscopic laparotomy in an animal model that maintains functional anatomy, to(More)
INTRODUCTION Choledochoduodenostomy is indicated for unsolved choledocholithiasis and biliary malignant or benign stenosis. This surgical procedure has been feared for its potential complications. This article shows our initial experience with this laparo-endoscopic approach. METHODS We performed laparoscopic choledochoduodenoastomy in seven elderly(More)
BACKGROUND The development and application of 3D images in laparoscopic surgery has brought the benefit of in-depth perception that traditional laparoscopic surgery lacked. Previous studies in surgical populations have demonstrated the advantages of 3D technology. To limit bias of the previous experiences of participants, this study was performed in a(More)
OBJECTIVE In order to study patients with a diagnosis of xanthogranulomatous cholecystitis (XGC), we analyzed their demographics, epidemiology and clinical data. MATERIAL AND METHODS We analyzed the clinical records of XGC during a period of 6 years, obtaining demographic, epidemiologic and clinical data. RESULTS Of a total of 1425 cholecystectomies(More)
INTRODUCTION Preoperative exams are a common practice for surgeons; however, their use is not based on a scientific or medical basis. In the best of scenarios, it is an institutional policy. MATERIAL AND METHODS We wanted to determine the utility and cost-effectiveness ratio of of preoperative routine tests (PRT) and we analyzed retrospectively the(More)
INTRODUCTION Postoperative pain after open cholecystectomy is associated with reduced respiratory function, longer recovery period before deambulation and oral food intake, and prolonged hospital stay. Intercostal nerve block provides satisfactory analgesia and ropivacaine is the most widely used local anesthetic agent in intercostal nerve block due to its(More)
BACKGROUND Preoperative medical testing in the United States is estimated at $3,000,000 USD per year. In an attempt to reduce this cost, some key points have been described with the purpose of promoting appropriate preoperative measurements with an adequate costObjective: To evaluate the utility of a preoperative standardized questionnaire in adult patients(More)
BACKGROUND Human obesity is associated with a proinflammatory state and an elevated level of mediators, such as C-reactive protein (CRP). OBJECTIVES To establish CRP levels as baseline preoperative values and then at 6 months after bariatric surgery, as well as to determine the changes in weight, body mass index (BMI), leukocytes, and glycemia. (More)
INTRODUCTION The gallbladder and bile ducts originate through a complex process during the 4th gestational week; there is a wide variety in their anatomy. OBJECTIVE To identify the type, frequency, and association with certain pathologies of anatomic variations of bile ducts in patients in which endoscopic retrograde colangiography (ERC) was performed. (More)
BACKGROUND Few cases have been reported in children and adolescents of sigmoid diverticulitis. Most of the case reports in medical literature are associated with true congenital diverticula and genetic diseases of collagen synthesis. CLINICAL CASE 13 year-old female who was admitted to General and Endoscopic Surgery service with diagnosis of complicated(More)