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Bariatric Surgery

What is Bariatric Surgery?

Bariatric surgery, also known as a weight loss procedure, is a surgical method to help obese people lose weight. The procedure is usually recommended for people with a body mass index (BMI) of 35 with at least one related health problem or a BMI of 40 or higher. People with one or more obesity-related health problems such as type 2 diabetes, high blood pressure, or sleep apnea are also considered ideal candidates. Get in touch with us to book an appointment with some of our leading medical experts for the best bariatric surgery.

What are the Different Types of Bariatric Surgery?

There are several types of bariatric surgeries which help in reducing the size of the stomach. The procedures aim to reroute the digestive system and limit the amount of food that can be eaten and absorbed. Common types of bariatric surgery include -

  • Gastric bypass surgery - This procedure involves dividing the stomach into a small upper pouch and a larger lower pouch and rerouting the small intestine to connect to both.
  • Sleeve gastrectomy - This procedure involves removing a large portion of the stomach to create a smaller, banana-shaped stomach.
  • Biliopancreatic Diversion with Duodenal Switch (BPD-DS): This procedure bypasses around 75% of your small intestine. This type of procedure also significantly reduces the hunger hormones produced in the small intestine and stomach.
  • Stomach Intestinal Pylorus Sparing Surgery (SIPS) - This is a relatively modern procedure which is intended to reduce complications.

When to See a Doctor for Bariatric Surgery?

Bariatric surgery is usually only recommended after other weight loss methods, such as diet and exercise, are ineffective or do not show any results. It is important to note that bariatric surgery is a major surgical procedure and carries risks, so it should only be considered after careful discussion with the doctor.

How To Prepare For Bariatric Surgery?

Before bariatric surgery, the doctor examines the condition to determine the primary cause of being overweight. The doctor also analyses your history of medical conditions and asks about the symptoms. Additionally, there may be several diagnostic tests which can confirm the need for surgery.

Here are some pre-surgery instructions which can help you prepare for bariatric surgery and ensure a smooth experience -

  • Discuss your history of chronic medical condition(s) and surgical procedures with the doctor
  • Stop smoking and consuming alcohol a week before the surgery as they can increase the recovery time
  • Inform your doctor in case you have a history of bleeding disorders
  • Wear loose-fitting and comfortable clothes which do not put pressure on the surgical site
  • Do not eat or drink 10 hours prior to the surgery. It is generally recommended not to take any meal post-midnight. 
  • Inform your doctor of any ongoing medications and history of an allergic reaction to anesthesia to avoid complications during the procedure 
  • Take antibiotics or prescribed medications prior to the surgery as directed by the doctor

What Happens During The Bariatric Surgery?

The anesthesiologist first administers anaesthesia to sedate the patient. Subsequently, the surgeon begins the surgery through a minimally invasive technique (laparoscopic surgery). This involves tiny incisions around the targeted area which ensures minimal blood loss and a, faster healing. The surgeon modifies the digestive system (usually the stomach and small intestine) to regulate calorie consumption and absorption. Very rarely, the surgeon may recommend open surgery to patients due to their specific conditions.

Recovering After Bariatric Surgery:

After the procedure, the patient is taken to the recovery room where the doctor monitors the progress. Generally, the recovery process involves the healing of the tissues. While tissues may heal faster after the procedure, overall recovery may take months depending on the type of procedure and the medical health of the patient.

The patient may need to spend a few days in the hospital for monitoring purposes where the doctor checks for any signs of infections. After being discharged from the hospital, the patient requires a few weeks of rest at home before going back to work. Avoid any strenuous activities for up to six weeks during that time. Keep in touch with your doctor for regular updates on your health to avoid any complications.

Why Choose CMRI for Bariatric Surgery in Kolkata?

The Calcutta Medical Research Institute (CMRI) is one of the largest multispecialty hospitals in Kolkata. Our hospital is equipped with state-of-the-art technology which has revolutionised the healthcare industry for the best surgical outcomes. 

In addition, our hospital has several eminent physicians, surgeons and healthcare providers of national and international repute for comprehensive and personalised treatment. CMRI provides patient-centric care and empathy from internationally trained nurses to ensure holistic care for patients seeking effective bariatric surgery. Here are a few advantages of choosing CMRI for your bariatric surgery -

  • Highly qualified and experienced neurosurgeons
  • 440-bed capacity along with cutting-edge technology and the latest medical equipment
  • Hygienic and patient-friendly infrastructure
  • Screening and diagnosis
  • Transparent Pricing Structure for cost-effective treatment
  • Patient-centric high-quality care for a high success rate
  • Pain management and palliative care
  • Complete and coordinated care for patients with all types of cancers.


What are the side effects of bariatric surgery?

Bariatric surgery may pose rare risks associated either with a digestive track or the surgical site such as - 

  • Dumping syndrome
  • Malabsorption and malnutrition
  • Bile reflux
  • Gallstones
  • Bleeding
  • Infection
  • Blood clots
  • Hernias
  • Small bowel obstruction
  • Anastomotic leaks

What conditions can be treated with bariatric surgery?

Bariatric surgery benefits people suffering from obesity which can lead to several other medical conditions. Here are some conditions which can be managed with bariatric surgery - 

  • High cholesterol
  • Type 2 diabetes
  • Heart disease
  • High blood pressure
  • High blood sugar (Hyperglycemia)
  • Kidney disease
  • Obstructive sleep apnea
  • Osteoarthritis
  • Non-alcohol-related fatty liver disease (NAFLD)
  • Cancer

What are the benefits of bariatric surgery?

Patients who undergo bariatric surgery often benefit from the following - 

  • Significant, sustained weight loss
  • Reduced hunger hormones and improved metabolism
  • Cholesterol and blood sugar management
  • Improved quality of life

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