Abdullah Sisik

Umraniye Eğitim Ve Araştırma Hastanesi · Department of General Surgery

Introduction: Laparoscopic sleeve gastrectomy (LSG) has become the most common bariatric surgery procedure. Bleeding is the most common complication of this surgery and mostly occurs from the staple line. The aim of this study was to evaluate whether waiting between compression and firing during the stapling phase reduces the postoperative bleeding...

Introduction: The most popular approach for treating obesity is laparoscopic sleeve gastrectomy (LSG). The enhanced recovery after surgery (ERAS) protocol aims to reduce the patient's surgical stress response, optimize their physiological function, and facilitate recovery. The purpose of this study was to investigate the efficacy and safety of the...

Obesity is associated with a higher risk of chronic diseases. Breast cancer is one of the malignancies, which has been related to obesity. Patients with a BMI more than 35 kg/m 2 had an 86% greater risk of having breast cancer than those with a normal BMI. Every 5 kg/m 2 rise in BMI has also been demonstrated to increase the risk of postmenopausal...

Concomitant hiatal hernia repair during laparoscopic sleeve gastrectomy (LSG) is recommended if it is detected. Intrathoracic sleeve migration (ITSM) is a sliding hiatal hernia that develops after LSG. In this article, we present an early ITSM due to an incomplete repair of a hiatal hernia. An obese patient had hiatal hernia in the preoperative end...

Background: Demands for fasting occasionally arise in patients undergoing bariatric surgery, depending on their beliefs. Objectives: In the present study, patients who had undergone laparoscopic sleeve gastrectomy (LSG) and experienced fasting at different postoperative times were examined, and the effects of fasting in Ramadan were evaluated. Meth...

Introduction: We evaluated and characterized the incidental GISTs during laparoscopic sleeve gastrectomy in our clinic. Methods: All GISTs identified during laparoscopic sleeve gastrectomy between January 2015 and December 2017 were evaluated. Typical demographic, clinicopathologic, treatment, location, resection margins, immunohistochemistry (C...

Obesity is one of the most important health problems in developed and developing countries. Morbid obesity is defined as having a body mass index (BMI) of more than 40 kg/m 2. Obesity does not only predispose to gastroesophageal reflux, but is also an important independent risk factor for the development of hiatal hernia (HH). There are articles ad...

Objective: The objective of this study is to determine the prevalence of gastric histopathological findings in patients who underwent laparoscopic sleeve gastrectomy (LSG) in our hospital and to add more data to the published literature on the characteristics of the resected LSG samples. Material and Methods: The pathology reports of the patients w...

Aim Although appendicitis is a disease of the young, it has been speculated that its incidence has increased among the elderly people. In this study, it was aimed to evaluate annual changes of appendicitis seen in older patients (≥60 years) throughout a 10-year period. Methods All adult patients who were surgically treated for acute appendicitis w...

Cetinje, Montenegro I PREFACE Dear reader; Academic research matures as a result of a process that requires great knowledge, meticulousness, patience and dedication. In this process, the basic principle is to keep up with the rapidly advancing science and to catch up with the current. Although information is easily accessible via the Internet, inac...

Aim: The present study evaluates the relationship between the monocyte-to-high-density lipoprotein cholesterol ratio (MHR) and the percentage of excess weight loss (%EWL) in patients undergoing laparoscopic sleeve gastrectomy. Method: This prospective cohort study evaluated 125 patients who underwent laparoscopic sleeve gastrectomy. The MHR before...

Introduction: The aim of the present study was to compare different techniques for the closure of an appen-diceal stump (CAS) with respect to safety.

PurposeConditions associated with surgical technique and postoperative lifestyle changes, as well as the characteristics of patients, may affect weight loss following laparoscopic sleeve gastrectomy. In this study, the effects of age, gender, BMI, and excess weight at the time of surgery on weight loss during follow-up were examined.Materials and M...

Skin biopsies provide physicians with valuable information in the evaluation of many dermatologic diseases. It becomes increasingly important for physicians to be proficient at performing skin biopsies because of the prevalence of skin malignancies and other dermatologic diseases in general population. The most common techniques include the punch,...

Aim: Colonic anastomotic strictures are usually caused by staple use, anastomotic leakage, intestinal or suture line ischemia and radiotherapy. Endoscopic treatments should be the first choice. Resection of the stricture line and re-anastomosis form the basis of surgical treatment. Compared to endoscopic approaches, the morbidity rate of surgical t...

Background/aims: An anal fissure (AF) is a linear tear in the distal anal canal and is one of the most common causes of anal pain. Hemorrhoidal disease (HD) is a symptomatic growth and distal displacement of normal anal cushions. Numerous studies have addressed the contributing factors of these conditions, yet the results remain controversial. In...

Aim: Despite many treatment modalities, anal fistula disease remains an important problem. High recurrence rates have been reported in the surgical treatment of complicated anal fistulas. We hereby present complicated anal fistula patients treated with rectal advancement flaps.Methods: Patients who underwent rectal advancement flap surgery by a sin...

Aim: Gastric cancer is one of the most aggressive tumors of the gastrointestinal tract. Course of disease can be different in every case. The aim of this study was to evaluate prognosis of gastric cancer patients and factors affecting survival.Methods: Observational cohort study was planned. Primary gastric cancer patients enrolled into study. Pati...

Introduction The effect of local anesthetic applications to trocar sites on postoperative pain control has been studied many times, and different results have been obtained. We planned a controlled study evaluating the effect of bupivacaine administration and other contributing factors on postoperative pain following sleeve gastrectomy. Material a...

Aims: Appendiceal mucocele (AM) is a rare pathology, and its reported incidence is 0.3% in all appendectomy specimens. Here, we report a case series of AM and make a brief review of literature. Subjects and methods: We conducted a retrospective review of a prospectively collected data of patients who diagnosed as AM by histopathological evaluati...

Amaç: Anal fistül hastalığında fistül tipine karar vermek ve en uygun ameliyat tipine karar vermek ileri tetkiklerin kullanılmasına karşın halen içerisinde zorluklar barındırmaktadır. Bu çalışmada, anal fistül hastalarının ameliyat öncesi hazırlıklarında manyetik rezonans görüntüleme (MRG), endoskopik inceleme ve her ikisinin birlikte uygulanmasını...

Splenic rupture (SR) is one of the rare complications of the colonoscopy procedure. The most widely accepted theory regarding the mechanism of the rupture formation is the excessive stretching of the splenocolic ligament. Computerized tomography is useful as a diagnostic tool, and the treatment is designed according to the hemodynamic status of the...

Aim: Gallbladder cancer (GBC) is a rare but fatal disease that causes more than 5000 new cases per year in the United States. In the pre-operative period, it is diagnosed in less than 20% of the cases of GBC. The remaining cases are diagnosed after laparoscopic cholecystectomy or intraoperative. Following the 0.25-3% of laparoscopic cholecystectomy...

Background: The growing number of bariatric surgery videos shared on YouTube highlights the need for content and quality assessment. The aim of this study was to answer the question 'Is watching these videos useful to surgeons and patients?' Methods: YouTube was searched using the keywords 'obesity surgery', 'bariatric surgery' and 'weight loss...

Preperitoneal lipomas are rare in clinical practice. Here we report an unexpected diagnosis of a giant preperitoneal fibrolipoma detected intraoperatively during laparoscopic cholecystectomy in a 56-year-old woman. The mass was excised and a histopathological examination confirmed fibrolipoma. No recurrence was found on follow-up. In the literature...

Context: Colorectal cancers are frequent among cancers of gastrointestinal system. Whether there are any differences between survival in rectum and colon cancer patients is controversial. Aims: In this study, we aimed to compare survival in surgically treated rectum and colon cancers and determine the factors affecting survival. Subjects and me...

Background: One of the minimally invasive methods used in the surgical treatment of large-based polypoid lesions located in the rectum is transanal minimally invasive surgery (TAMIS). This method, which relieves patients from the severe morbidities of invasive surgical procedures, is performed in both malign (T1-T2) and benign lesions. Difficulty...

Aims: Retrorectal tumors are rare, mostly benign tumors and named due to their localization. Diagnoses of these tumors are usually delayed because of nonspecific complaints and symptoms. Magnetic resonance imaging has beneficial uses both for diagnosis and treatment. In this study, we reviewed a case series of retrorectal tumors. Subjects and Meth...

INTRODUCTION Postoperative pain after laparoscopic cholecystectomy has three components: parietal, visceral and referred pain felt at the shoulder. Visceral peritoneal injury on the liver (Glisson’s capsule) during cauterisation sometimes occurs as an unavoidable complication of the operation. Its effect on postoperative pain has not been quantifie...

Background: A leak observed after laparoscopic sleeve gastrectomy operations poses a problem that is difficult to treat and follow up and it is the major reason for mortality and morbidity. The staples left in the remnant stomach and the ones in the section excised via sleeve gastrectomy are equal in number and structure. Thus, this study was desig...

Thyroid nodules are detected in up to %50-60 of the healthy people in ultrasonic evaluations. Clinical importance of the thyroid nodules arises from their malign potential. There are guidelines from several different organizations to determine follow-up options and, if necessary, surgical treatment options for thyroid nodules. Among them, the guide...

Aims: Hereditary nonpolyposis colorectal cancer (HNPCC) is a subgroup of colorectal cancer (CRC) which should be differentiated because of the high risk for additional cancers and risk evaluation for other family members, especially for CRC. It is not practical to perform genetic testing for all CRC patients; therefore, various prediction modalitie...

Background/aims: Acute pancreatitis (AP) is an acute inflammatory disorder of the pancreas, and its severe form affects nearly all systems of the body. The purpose of this study is to assess the Ranson score and the C-reactive-protein level as a novel model for prediction of the disease severity and mortality. Materials and methods: A prospectiv...

Amyand’s hernia is defined as protrusion of the vermiform appendix in an inguinal hernia sac. It is a rare entity with variable clinical presentation from normal vermiform appendix to abscess formation due to perforation of acute appendicitis. Although surgical treatment includes appendectomy and hernia repair, appendectomy in the absence of an inf...

Background Occurrence of enteric fistulas caused by colon cancer is a rare. Preoperative diagnosis has some difficulty because of non-specific presentation and lack of appropriate combination of diagnostic techniques. Methods From November 2008 to April 2012, patients with entero-enteric fistulas caused by colon cancer were reviewed with regard to...

Aim: Although there has been significant progress in current medical treatments for the treatment of peptic ulcer, there has been no change in the incidence of peptic ulcer perforation (PUP). PUP has an important place in urgent surgery due to mortality rates. In this study, it was aimed to determine the factors related to death related to PUP. Mat...

Amac: Granulomatoz apandisit (GA), spesifik nedenler ile olusan farkli klinik durum olarak degerlendirilir ve cok nadirdir. Apendikste granulomatoz inflamasyon varligi olarak tanimlanmaktadir. Etiyolojisi infeksiyoz veya infeksiyon disi olabilir. Bununla birlikte, operasyondaki makroskopik gorunumuyle tumorden ayirmak zor olabilir. Bu calismada, GA...

Objective: To compare the quality of oral presentations presented at the 19th National Surgical Congress with a national evaluation system with respect to the applicability of systems, and consistency between systems and reviewers. Material and Methods: Fifty randomly selected observational studies, which were blinded for author and institute infor...

Introduction Cholecystectomy for benign gallbladder diseases can lead to previously undiagnosed gallbladder cancer during histopathological evaluation. Despite some controversy over its usefulness, histopathological evaluation of all gallbladder specimens is common in most hospitals. We evaluated the results of routine pathology of the gallbladder...

OBJECTIVE Gastric cancer (GC) is the fifth most common cancer worldwide, and in Turkey, GC is placed among the 10 most frequently seen cancers. However, analyzing the epidemiology of cancers and improving screening programs for cancers are not still the top priorities for healthcare professionals. This study aims to show distribution of GC based on...

Introduction: Surgery is a major stress factor for patients, and is associated with significant anxiety or depression. The Hospital Anxiety and Depression Scale is one of the most common instruments used for assessment of patients' psychological stress. Here, we aimed to identify predictors of anxiety and depression in surgical inpatients. Method...

A selective conservative treatment for penetrating anterior abdominal stab injuries is an increasingly recognized approach. We analyzed patients who followed-up and treated for penetrating anterior abdominal stab injuries. The anterior region was defined as the area between the arcus costa at the top and the mid-axillary lines at the laterals and t...

Lumbar hernias are rare and diagnostically challenging for surgeons. We present the case of a middle-aged patient who presented with swelling in the left back. Subcutaneous lipoma was included in the differential diagnosis. Following diagnostic studies, computed tomography confirmed left lumbar hernia. Elective surgery was performed, and the result...

OBJECTIVE Surgery for abdominal wall hernias is a common procedure in general surgery practice. The main causes of delay for the operation are comorbid problems and patient unwillingness, which eventually, means that some patients are admitted to emergency clinics with strangulated hernias. In this report, patients who admitted to the emergency dep...

Recently, surgery during admission has been advocated for acute cholecystitis, rather than delayed surgery after conservative treatment. This study was designed to perform early surgeries and analyze the criteria used for conservative management followed by delayed surgery. After implementation of a study with the aim of performing early surgery, a...

Background: The purpose of this study was to assess the predictive effect of preoperative CEA and CA 19-9 levels on the prognosis of colorectal and gastric cancer patients. Materials and methods: CEA and CA 19-9 were evaluated preoperatively in patients undergoing surgery for colorectal cancer (n=116) and gastric cancer (n=49). Patients with CEA...

Purpose As an increasing amount of penetrating abdominal stab injuries has been observed in the last few decades, it is important to evaluate the adequacy of the medical systems and surgical education and training to handle this type of injury. The aim of this study was to analyze the outcome of patients with penetrating abdominal stab injuries adm...