Gastric Bypass Surgery

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Dr. Randeep Wadhawan

  • 22 years experience

Dr. Shashank Shah

  • MS, FAIS, FICS, Honorary FMAS, Honorary FIAGES, Honorary FALS DLS (France)
  • 22 years experience

Dr. V K Garg

  • 21 years experience

Dr. Aashish Shah

  • 14 years experience

Dr. Jayant Sharma

  • DM (Gastroenterology)
  • 24 years experience

Dr. Sujoy Maitra

  • CCST training in Gastroenterology Northern Deanery UK, MRCP(UK), MD(Gen. Medicine) [University of Calcutta], MBBS (University of Calcutta)
  • 23 years experience

Dr. Veerendra Sandur

  • 23 years experience

Dr. Randeep Wadhawan

  • 22 years experience

Dr. Shabeer Ahmed

  • 0 years experience

Dr. Rajiv Anandh

  • 0 years experience

Dr. P P Dhakshayani

  • 21 years experience

Dr. Sudhir Sharma

  • MS, MBA
  • 20 years experience

Dr. Ramesh Agarwalla

  • 20 years experience

Dr. Yogesh Palshetkar

  • MBBS, MS General Surgeon, FACRSI
  • 18 years experience

Dr. K. M. Nanjappa

  • M. S - LTMCMNAMS (Genito- Urinary surgery)
  • 17 years experience

Dr. M G Shekar

  • MS, MRCS, MCh (Uro), FMAS
  • 13 years experience

Dr. Shrinivas Narayan

  • MCh(Urology)
  • 13 years experience

Dr. Manish Ahuja

  • M.Ch. (Urology) from King George Medical university, Lucknow, M.S. ( Surgery) from Christian Medical College, MBBS from Govt. Medical College, Patiala
  • 10 years experience

Dr. Sandeep Gupta

  • DNB (Urology)
  • 10 years experience

Dr. Ashish Jindal

  • M.B.B.S FROM Govt Medical College, M.S (General Surgery) and DNB (Urology)
  • 8 years experience

Dr. M. R. Pari

  • MCh (Urology), MS
  • 8 years experience

Dr. Feroz Amir Zafar

  • Robotic Surgery Training and Certification, Intuitive Surgical, Atlanta, USA, Observership Training in Men’s Health, Cleveland Clinic, Florida, USA, Fellowship in Kidney Transplant, Medanta – The Medicity, Gurgaon, India, MRCS, Royal College of Surgeons, England, DNB Urology, Apollo Hospitals, Hyderabad, India, FMAS(Fellowship in Minimal Access Surgery), AMASI, India, M.S.(Gen. Surgery), RIMS, Ranchi, India, MBBS (Hons.), MGMMC, Jamshedpur, India
  • 7 years experience

Dr. Piyush Varshney

  • 6 years experience

Dr. Aman Gupta

  • M.Ch (Urology) (2009), M.S. (Gen. Surgery) (2003), M.B.B.S. (2000)
  • 6 years experience

Dr. Pushkar Shyam Chowdhury

  • MCh. (Urology)- Bombay Hospital Institute of medical Sciences (MUMBAI) , MS- General Surgery – Ramakrishna Mission Seva Pratishthan , M.B.B.S.- Calcutta Medical College
  • 6 years experience

Dr. Sudarshan kanti Baishya

  • DNB UROLOGY superspeciality. , M.S. (Safdarjung hospital, new delhi) , M.B.B.S.( JIPMER)
  • 4 years experience

Dr. Rahul Gupta

  • M.B.B.S., M.S. General Surgery , M.Ch. Neurosurgery
  • 0 years experience

Dr. Priyadarshi Ranjan

  • M.Ch Urology-2008
  • 0 years experience

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About Gastric Bypass Surgery

Gastric Bypass Surgery is basically a restrictive procedure that helps people with weight loss. The surgery helps in weight loss by altering the way stomach and intestine processes the food. The procedure divides the stomach into a big portion and a much smaller one. After this, in a process occasionally known "stomach stapling,” the smaller part of the stomach is stitched or stapled together to create a pouch, which is capable of holding only a cup or so of food.

In case of such a smaller pouch, people feel full fast and therefore consume less food which in turn helps them lose weight. This approach is also called "restrictive," as the new stomach size limits the amount of food it can hold.

A surgeon separates the new, small stomach pouch from the most of the stomach and first part of the small intestine (the duodenum), and then links it to a part of the small intestine somewhat farther down (the jejunum). This surgical technique is known as a "Roux-en-Y."

After Roux-en-Y, food moves straight from the stomach into the jejunum, bypassing the duodenum. This verges the absorption of calories and nutrients. This weight loss procedure is called "malabsorptive."Stomach stapling and Roux-en-Y are generally performed during the same surgery and together are known as a "Roux-en-Y gastric bypass."

Gastric bypass surgery can be performed in two ways under general anesthesia:

  • Laparoscopic surgery: - A special camera, known as a laparoscope, is inserted in your stomach. First, the surgeon will create 4 to 6 small incisions in the stomach. Then he will pass the laparoscope through one of the cuts. It will be linked to a video monitor in the operating room. The surgeon will check the monitor to take a view of an inside of the stomach. He will use thin surgical instruments to perform the bypass. These instruments will be injected through the other incisions.
  • Open surgery: - A surgeon will create a large surgical incision to open up the stomach. He or she will do the bypass by working on your stomach, small intestine, and other organs.

A majority of bariatric procedures nowadays are done employing minimally invasive techniques (laparoscopic surgery) with a lower chance to switch to open surgery if required. Benefits of laparoscopy over open surgery include a short-term procedure and hospital stay, faster recovery, reduced pain, smaller scars and a much lower risk of getting a hernia or infection.

Benefits of gastric bypass

Gastric bypass surgery is found to be an extremely effective weight loss procedure. Weight loss is meant to be more rapid and theatrical than other weight loss techniques. Therefore if the patient is looking for a weight loss surgery that can give him or her best chance of shedding the most weight then gastric bypass surgery might be the best option for him.

In general, gastric bypass patients tend to lose around 70 percent of their additional weight, sleeve gastrectomy patients shed around 60 percent, and gastric banding patients lose around half of the weight. However, the amount of weight lost by each patient differs basis the given individual circumstances.

After a gastric bypass is done, the patient will possibly feel dramatically healthier with quicker improvements in conditions affected by obesity such as diabetes and hypertension, high blood pressure, high cholesterol, asthma, arthritis, sleep apnoea and heartburn. Weighing reduced must also make it much easier for the patient to move around and do his or her daily activities, enhancing the overall quality of life.

Risks and Complications

Alike any other surgical procedure, gastric bypass surgery may also encompass certain complications such as:

  • Leakage at the various locations of re-joining the stomach and intestine.
  • Shrinkage (stricture) of openings into the intestine.
  • Clearance of your food into the intestines too rapidly before it’s been appropriately digested is normal and can lead to nausea and vomiting, bloating, dizziness, sweating, and diarrhea. Dumping can also be considered as an advantage as it helps patients avert eating weight gaining sugary and high-fat foods that lead to dumping.
  • Gallstones may emerge after quicker weight loss
  • The patient needs to be careful with diet, intake long term vitamins and minerals to avoid development of vitamin/mineral deficiency and the patient may also need some nutrients in the blood to be watched.
  • Swelling of the blind stomach. This is highly uncommon, but it should be inspected and treated urgently.


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