Our Summary

This research paper is about a type of weight loss surgery called the One Anastomosis (Mini) Gastric Bypass, which is becoming more popular. The study looked at the results of this surgery in over 12,000 obese patients. The patients were on average 41 years old and severely obese. The overall death rate from the surgery was very low (0.10%) and less than 1% of patients experienced a leak. The study followed up with these patients for anywhere from 6 months to 12 years after their surgery. Some patients (2.7%) developed ulcers and 7.0% developed anemia. About 2% of patients experienced acid reflux after the surgery and less than 1% became malnourished. The surgery was successful in helping patients lose weight - at 6 months, patients had lost over 60% of their excess weight, and by 5 years, they had maintained a loss of over 76% of their excess weight. The surgery also helped resolve type 2 diabetes in 83.7% of patients and high blood pressure in 66.94% of patients. The authors conclude that this evidence supports using this type of weight loss surgery more widely.

FAQs

  1. What is the mortality rate for the One Anastomosis (Mini) Gastric Bypass procedure?
  2. How effective is the One Anastomosis (Mini) Gastric Bypass procedure in terms of weight loss and resolving conditions like Type 2 diabetes and hypertension?
  3. What are some of the potential postoperative complications of the One Anastomosis (Mini) Gastric Bypass procedure?

Doctor’s Tip

One helpful tip a doctor might tell a patient about gastric bypass surgery is to make sure to follow post-operative dietary guidelines closely to ensure proper healing and successful weight loss. This may include eating smaller, more frequent meals, avoiding certain foods that can cause discomfort or complications, and taking any necessary supplements to prevent malnutrition. It’s also important to attend follow-up appointments and communicate any concerns or changes in symptoms to your healthcare provider.

Suitable For

Patients who are typically recommended for gastric bypass surgery are those who have a BMI of 40 or higher, or a BMI of 35 or higher with obesity-related health conditions such as type 2 diabetes, hypertension, sleep apnea, or high cholesterol. Additionally, patients who have not been successful with other weight loss methods such as diet and exercise may also be recommended for gastric bypass surgery. It is important for patients to undergo a thorough evaluation by a multidisciplinary team to determine if they are suitable candidates for the procedure.

Timeline

  • Before gastric bypass surgery, the patient undergoes a thorough evaluation by a multidisciplinary team including a surgeon, dietitian, psychologist, and other healthcare providers.
  • The patient must adhere to a pre-operative diet and exercise regimen to prepare for surgery.
  • The surgery itself typically takes 1-2 hours and involves creating a small pouch in the stomach and rerouting the small intestine to bypass a portion of the digestive tract.
  • After surgery, the patient will start on a liquid diet and gradually progress to solid foods over time.
  • The patient will need to follow a strict diet and exercise plan to promote weight loss and prevent complications.
  • In the months and years following surgery, the patient will experience significant weight loss and improvement in obesity-related health conditions such as diabetes and hypertension.
  • Follow-up appointments with the healthcare team are essential to monitor progress and address any issues that may arise.

What to Ask Your Doctor

  1. What are the potential risks and complications associated with gastric bypass surgery?

  2. How long is the recovery period after gastric bypass surgery?

  3. Will I need to make any permanent lifestyle changes after the surgery?

  4. How often will I need to follow up with you after the surgery?

  5. What type of diet will I need to follow after the surgery?

  6. How much weight can I expect to lose after the surgery?

  7. Will I need to take any supplements or vitamins after the surgery?

  8. How will the surgery affect my current medical conditions, such as diabetes or hypertension?

  9. What are the long-term effects of gastric bypass surgery?

  10. Are there any specific dietary restrictions I need to follow after the surgery?

Reference

Authors: Parmar CD, Mahawar KK. Journal: Obes Surg. 2018 Sep;28(9):2956-2967. doi: 10.1007/s11695-018-3382-x. PMID: 29995293