Sleeve Gastrectomy

Sleeve Gastrectomy is an operation where the stomach is narrowed longitudinally. This narrowing procedure may be referred with many different names.

Mini-Gastric Bypass

TMini Gastric Bypass obesity surgery is the easiest, shortest and most economic gastric bypass operation with the shortest hospitalization period.

Duodenal Switch

Biliopancreatic Diversion (BPD) is an obesity surgery which has been applied solely for many years. Biliopancreatic Diversion (BPD) has been applied by Italian surgeon Dr. Scopinaro first in 1979.

Tuğrul Demirel, M.D.

  • General Surgery Specialist
  • Bariatric & Metobolic Dedicated Surgeon.

Dr Tugrul Demirel has a private practice in Istanbul and operates in different afiliated hospitals. He is troughly a bariatric and metobolic dedicated surgeon. He performs mainly Revisional Bariatric Surgeries and especially is referred by R-Y Gastric Bypass and MGB patients for weight regain and biliary reflux respectively. He is the only surgeon in Turkey that has accumulated experience on RYGB to Duodenal Switch and MGB to Duodenal Switch Conversion surgeries and which all are performed laparoscopically.


Obesity & Diabetes


Obesity is observed in individuals who are fed with excess calories frequently and have mobility and exercise insufficiency during daily life...


Obesity causes many metabolic and psychosocial problems. Although common problems of Type 2 Diabetes Mellitus, Cardiovascular Diseases, Hypertension, Hypercholesterolemia...


Type 1 Diabetes is a diabetes type which progresses with almost absence of the insulin. Although it starts in the earlier years of life, it may...


Type 2 Diabetes is generally diagnosed with blood sugar measurements performed after appearance of findings or high blood sugar in routine blood tests in some cases...

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