Mehmet Ali Yerdel

ORCID: 0000-0002-4044-076X
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About
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Research Areas
  • Bariatric Surgery and Outcomes
  • Gastroesophageal reflux and treatments
  • Esophageal and GI Pathology
  • Gastric Cancer Management and Outcomes
  • Liver Disease and Transplantation
  • Organ Transplantation Techniques and Outcomes
  • Hernia repair and management
  • Gallbladder and Bile Duct Disorders
  • Minimally Invasive Surgical Techniques
  • Central Venous Catheters and Hemodialysis
  • Vascular Procedures and Complications
  • Liver Disease Diagnosis and Treatment
  • Abdominal Surgery and Complications
  • Congenital Anomalies and Fetal Surgery
  • Body Contouring and Surgery
  • Intestinal and Peritoneal Adhesions
  • Colorectal Cancer Surgical Treatments
  • Pancreatitis Pathology and Treatment
  • Appendicitis Diagnosis and Management
  • Esophageal Cancer Research and Treatment
  • Venous Thromboembolism Diagnosis and Management
  • Helicobacter pylori-related gastroenterology studies
  • Organ Donation and Transplantation
  • Transplantation: Methods and Outcomes
  • Abdominal Trauma and Injuries

Memorial Sisli Hospital
2021

Weatherford College
2021

Ankara University
1997-2013

Istanbul Florence Nightingale Hospital
2012

Istanbul Eye Hospital
2010-2012

İstanbul Nişantaşı Üniversitesi
2011

General Directorate of Highways
1995

Okayama University
1992-1993

Background. Portal vein thrombosis (PVT) has been seen as an obstacle to liver transplantation (LTx). Recent data suggest that favorable results may be achieved in this group of patients but only limited information from small size series is available. The present study was conducted effort review the surgical options with PVT and assess impact on LTx outcome. Risk factors for value screening tools are also analyzed. Methods. Adult performed 1987 through 1996 were reviewed. retrospectively...

10.1097/00007890-200005150-00023 article EN Transplantation 2000-05-01

Objective To assess the value of single-dose, intravenous, prophylactic ampicillin and sulbactam (AS) in prevention wound infections during open prosthetic inguinal hernia repair by a double-blind, prospective, randomized trial. Summary Background Data The use antibiotic prophylaxis surgery is controversial, no prospective trial has been conducted to examine this issue. Methods Patients undergoing unilateral, primary electively with Lichtenstein technique using polypropylene mesh were...

10.1097/00000658-200101000-00005 article EN Annals of Surgery 2001-01-01

The immediate success and flow rate of a newly constructed arteriovenous fistula is dependent on several haemodynamic factors affecting the inflow outflow fistula.In this study we evaluated effect preoperative arterial blood pressure, inflow, subclavian venous flow, operative resistance success, with special reference to quantity in 32 patients undergoing internal operations. Flow measurements were done by utilizing colour duplex imaging measurement vein was accomplished indirectly developed...

10.1093/ndt/12.8.1684 article EN Nephrology Dialysis Transplantation 1997-08-01

10.1097/00019509-199712000-00011 article Surgical Laparoscopy Endoscopy & Percutaneous Techniques 1997-12-01

Aim: Few adverse effects may occur after bariatric surgery, one being the formation of gallstones. The aim this study is to determine incidence cholelithiasis laparoscopic sleeve gastrectomy (LSG) and whether ursodeoxycholic acid (UDCA) treatment reduces gallstone formation. Materials Methods: Gall bladders all patients planned for LSG were preoperatively checked by ultrasonography (USG). Patients who had no documented gallbladder pathology before USG at 12th month 2 years follow-up included...

10.1089/lap.2020.0077 article EN Journal of Laparoendoscopic & Advanced Surgical Techniques 2020-03-31

Congenital posterolateral diaphragmatic defects, such as Bochdalek hernias (BHs), usually present during the neonatal period with respiratory symptoms and are associated significant mortality (1). However, a subset of patients BHs may remain asymptomatic childhood, condition surgical emergency in adulthood (2). Surgical repair defect is recommended therapy for all BHs, regardless presence (3). Traditionally, defects has been performed via laparotomy or thoracotomy, but use laparoscopy...

10.6061/clinics/2012(02)20 article EN cc-by-nc Clinics 2012-02-01

Functional stenosis at the level of incisura angularis is unique to sleeve gastrectomy (SG) and regarded as a risk for proximal leak [1Burgos A.M. Csendes A. Braghetto I. Gastric after laparoscopic in morbidly obese patients.Obes Surg. 2013; 23: 1481-1486Crossref PubMed Scopus (75) Google Scholar, 2Contival N. Gautier T. Le Roux Y. Alves Stenosis without stricture gastrectomy.J Visc 2015; 152: 339-341Crossref (6) 3Shnell M. Fishman S. Eldar E. Goitein D. Santo Balloon dilatation symptomatic...

10.1016/j.soard.2015.12.019 article EN cc-by-nc-nd Surgery for Obesity and Related Diseases 2015-12-17

Management of intraperitoneally retained gallstones after laparoscopic cholecystectomy (LC) is controversial, as their natural course not known. This study was undertaken to assess the probable effects stone morphology and clinically obvious infection on outcome in a mouse model. Forty albino mice were divided into four groups. Group I served control group (simple laparotomy, n = 10). Groups II, III, IV (n 10 each group) "Intact-sterile-cholesterol" (group II), "crushed-sterile-cholesterol"...

10.1089/lap.1997.7.87 article EN Journal of Laparoendoscopic & Advanced Surgical Techniques 1997-04-01

Abstract The haemodynamic effects of increased intra-abdominal pressure during laparoscopic cholecystectomy in 22 patients were compared with those 11 undergoing open cholecystectomy; bioimpedance cardiography was used for monitoring at predetermined time intervals. In the laparoscopy group stroke volume, cardiac and ejection velocity indices significantly decreased total peripheral resistance index insufflation period when preinsufflation corresponding values operation. Routine...

10.1002/bjs.1800820737 article EN British journal of surgery 1995-07-01

Background: This study was designed to analyze the outcomes of Nissen fundoplication (NF) versus Toupet (TF) in patients undergoing laparoscopic antireflux surgery (LARS). Methods: All perioperative data, operative/postoperative complications, and follow-up data were prospectively recorded. seen on 2nd month postoperatively by yearly intervals thereafter. have at least 12-month follow-up. Using SPSS software, groups compared t-test chi-square tests as appropriate. Results: One thousand...

10.1089/lap.2011.0038 article EN Journal of Laparoendoscopic & Advanced Surgical Techniques 2011-08-22

Aim: The routine use of esophagogastroduodenoscopy (EGD) during the preoperative evaluation surgical weight loss candidates is controversial. aim this study to evaluate findings EGD in patients who are scheduled for a primary laparoscopic sleeve gastrectomy (LSG). probable effect these on medical and strategy that was followed assessed. Methods: Findings obtained from consecutive LSG all data were prospectively recorded retrieved database. Results: A total 819 underwent successfully. Mean...

10.1089/lap.2020.0541 article EN Journal of Laparoendoscopic & Advanced Surgical Techniques 2020-09-03
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