Our Summary

This paper is a review published by the American Society for Metabolic and Bariatric Surgery. It responds to numerous questions from patients, medical professionals and others about the use of one-anastomosis gastric bypass as a primary treatment for obesity or metabolic disease. The review is based on current clinical knowledge, expert opinion, and published scientific evidence. However, it’s important to note that this review isn’t meant to set a standard of care on a local, regional or national level.

FAQs

  1. What is the role of one-anastomosis gastric bypass in treating obesity or metabolic disease?
  2. Does the review published by the American Society for Metabolic and Bariatric Surgery set a standard of care for gastric bypass?
  3. What is the basis of the conclusions drawn in the review about one-anastomosis gastric bypass?

Doctor’s Tip

One helpful tip a doctor may give to a patient about gastric bypass surgery is to follow a strict post-operative diet plan. This typically includes consuming small, frequent meals, focusing on protein-rich foods, avoiding sugary and high-fat foods, and staying hydrated. Following the recommended diet plan can help ensure successful weight loss and minimize potential complications after surgery.

Suitable For

The paper states that patients who are typically recommended for gastric bypass surgery are those with a body mass index (BMI) of 40 or higher, or those with a BMI of 35 or higher with obesity-related comorbidities such as type 2 diabetes, hypertension, sleep apnea, and others. Additionally, patients who have tried and failed to lose weight through other means 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 including a bariatric surgeon, dietitian, psychologist, and other healthcare professionals to determine if they are suitable candidates for gastric bypass surgery. It is also important for patients to understand the potential risks and benefits of the surgery, as well as the lifestyle changes that will be required post-surgery to ensure long-term success.

Timeline

Before Gastric Bypass:

  • Patient undergoes initial consultation with a bariatric surgeon to discuss options for weight loss surgery
  • Patient undergoes pre-operative evaluations, including blood tests, imaging studies, and consultations with other medical specialists
  • Patient may be required to follow a specific diet and exercise plan in preparation for surgery
  • Patient attends pre-operative education sessions to learn about the procedure, potential risks, and post-operative lifestyle changes

After Gastric Bypass:

  • Patient undergoes surgery to create a small stomach pouch and reroute the digestive system
  • Patient typically spends 1-2 days in the hospital for recovery
  • Patient follows a strict post-operative diet plan, gradually progressing from liquids to pureed foods to solid foods
  • Patient attends regular follow-up appointments with a bariatric team to monitor progress, address any complications, and make adjustments to diet and exercise plans
  • Patient may experience rapid weight loss in the first few months after surgery, followed by a slower rate of weight loss over the next 1-2 years
  • Patient may experience improvements in obesity-related health conditions, such as diabetes, high blood pressure, and sleep apnea
  • Patient may need to make long-term lifestyle changes, including adopting a healthy diet, regular exercise, and ongoing medical monitoring to maintain weight loss and prevent regain.

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 surgery, and what can I expect during the recovery process?
  3. Will I need to make any changes to my diet or lifestyle after the surgery?
  4. How much weight can I expect to lose after the surgery, and what are the long-term results?
  5. Are there any specific vitamins or supplements I will need to take after the surgery?
  6. How often will I need to follow up with you after the surgery, and what will those follow-up appointments entail?
  7. Will I need to make any changes to my exercise routine after the surgery?
  8. What are the potential risks and benefits of one-anastomosis gastric bypass compared to other weight loss surgeries?
  9. How will the surgery affect my existing medical conditions, if any?
  10. Are there any specific factors that would make me a better or worse candidate for gastric bypass surgery?

Reference

Authors: Parikh M, Eisenberg D, Johnson J, El-Chaar M; American Society for Metabolic and Bariatric Surgery Clinical Issues Committee. Journal: Surg Obes Relat Dis. 2018 Aug;14(8):1088-1092. doi: 10.1016/j.soard.2018.04.017. Epub 2018 May 9. PMID: 29907540