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Laparoscopic Sleeve Gastrectomy for Weight Loss ( > 30 BMI Patients)

Laparoscopic Sleeve Gastrectomy is a surgical procedure for weight loss. In this procedure, the stomach is reduced to about 15% of the original size of the stomach by removing a large portion of the stomach along the greater curvature. The portions of stomach which secretes Ghrelin (hormone which increase appetite and cholesterol) and acid (which digests food) in excess is removed.

Ghrelin or the “hunger hormone” is also called lenomorelin. Ghrelin is secreted when the stomach is empty and when the stomach is stretched the secretion of Ghrelin stops. Ghrelin acts on hypothalamic brain cells to increase hunger and to increase the secretion of gastric acid and motility of gastrointestinal tract to prepare the body for intake of fodd.

Sleeve Gastrectomy leads to reduction in food intake and also alteration in hormonal milieu which leads to usage of stored fat for caloric requirement. Thus, by natural way, weight gets reduced and in few months’ time major portion of excess weight is lost. There is no need for taking medicines continuously and the weight loss will be sustained. Studies show this as the best method.

Laparoscopic Sleeve Gastrectomy (more than 30 BMI patients): Laparoscopic Sleeve Gastrectomy (LSG) is a well established bariatric procedure of treatment for people who are obese and having type 2 diabetes, not achieving desirable control with medical and dietary therapies, especially when there are other major comorbidities.

Laparoscopic Sleeve Gastrectomy
Stomach Removed through Laparoscopic Sleeve Gastrectomy Procedure

Indications for Laparoscopic Sleeve Gastrectomy

  • Obese class II and obese class III patients
  • Obese class I patients with obesity related comorbidities that could not be controlled with medicines.
  • Patients who failed to lose weight with conservative modalities

Contraindications for Laparoscopic Sleeve Gastrectomy

  • Patients with age group <15 and >65 years
  • Chronic liver diseases
  • Major cardiovascular diseases that cause a high risk for anesthesia
  • Drug or alcohol abuse currently
  • Uncontrolled psychiatric illness and lack of comprehension of the risks-benefits

The portion of stomach which secretes Ghrelin and acid in excess is removed. This leads to reduction in food intake and also alteration in hormonal milieu which leads to usage of stored fat for caloric requirement. Thus, by natural way, weight gets reduced and in few months time major portion of excess weight is lost. There is no need for taking medicines continuously and the weight loss will be sustained. This has got very good results without significant nutritional deficiency and hence most preferred.

It is safe and effective in weight reduction as well as resolution of associated comorbidities especially diabetes mellitus in obese class II and obese class III categories. LSG is generally recommended in patients with BMI>35 kg/m2. The study conducted by Dr. R. Padmakumar et al. shows that laparoscopic sleeve gastrectomy is effective in obese class I group as well (resolution of diabetes is 86.6% in patients with obese class I) and the resolution of type 2 diabetes achieved is sustained.

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Contact Details

Dr. R. Padmakumar
Senior Consultant Laparoscopic and Metabolic Surgeon &
Director - Verwandeln Institute (Transforming Lives)
(Specialist in Laparoscopy, Hernia, Cancer, Obesity Surgery or Bariatric Surgery, Diabetes Surgery, Endoscopic Thyroid Surgery, Thoracoscopy, Intragastric Balloon)
Keyhole Clinic, Thammanam Road, Plarivattom, Kochi, Kerala, India
VPS Lakeshore Hospital, Maradu, Kochi, Kerala, India
Chairman - Association of Surgeons of India, Kerala Chapter, 2019-2020


Keyhole Clinic - Center for Obesity and Laparoscopy

Palarivattom, Kochi, Kerala

VPS Lakeshore Hospital

Maradu, Kochi, Kerala

Mobile: +919447230370, +919846320370
Email: [email protected]


Chairman, Association of Surgeons of India - Kerala Chapter
National President - Indian Hernia Society (2016)
GC Member, Association of Surgeons of India (2013 - 2018)
Vice President- Society of Endoscopic and Laparoscopic Surgeons of India
Jt. Secretary - Indian Association of Endocrine Surgeons (2016)
Founder Member, Obesity and Metabolic Surgery Society Of India
Founder Member, Association of Minimal Access Surgeons of India
International Faculty of IASGO on Hernia and Diabetic Surgery
International Faculty of IFSO on Diabetic Surgery
Associate Editor : Diabetes and Obesity International Journal