Our Summary

This research paper is about a surgery called the one anastomosis/mini gastric bypass (OAGB/MGB), which is becoming more common worldwide. The study aimed to reach a consensus among experts on various aspects of this procedure, as there was previously a lack of agreement which may have been impacting the surgery’s success rates.

The researchers invited 101 experts from 39 countries to vote on 55 statements relating to controversial or varying aspects of the surgery. They considered a statement to have reached consensus if at least 70% of the experts agreed with it.

They found consensus on 48 of the 55 statements. All of the experts agreed that the OAGB/MGB is a viable mainstream surgical option and 96% believed it should no longer be considered a new or experimental procedure. Most of the experts also agreed that the surgery did not increase the risk of stomach or esophagus cancer, and that certain vitamins and iron should be supplemented routinely after the procedure.

However, there were seven statements that did not reach consensus, indicating that more research is needed in these areas.

FAQs

  1. What is the One Anastomosis/Mini Gastric Bypass (OAGB/MGB) surgery and how common is it?
  2. How was consensus reached among the experts in the research study?
  3. What are some of the aspects of the OAGB/MGB surgery that experts agreed upon and disagreed upon?

Doctor’s Tip

One helpful tip a doctor might tell a patient about gastric bypass surgery is to make sure to follow up with regular check-ups and monitoring of nutritional levels to ensure proper absorption of vitamins and minerals after the procedure. This can help prevent deficiencies and complications in the long term.

Suitable For

In terms of which types of patients are typically recommended for gastric bypass surgery, the researchers found consensus among the experts that the OAGB/MGB procedure is suitable for patients with a body mass index (BMI) of 40 kg/m2 or greater, or a BMI of 35 kg/m2 or greater with at least one obesity-related comorbidity such as type 2 diabetes, hypertension, or obstructive sleep apnea. The experts also agreed that the surgery may be considered for patients with a lower BMI if they have significant weight-related comorbidities or have failed to achieve weight loss with non-surgical methods.

Overall, the consensus among the experts in this study indicates that gastric bypass surgery, specifically the OAGB/MGB procedure, is considered a safe and effective option for a wide range of patients with obesity and related health issues.

Timeline

Before undergoing gastric bypass surgery, patients typically go through a series of steps including consultations with healthcare providers, pre-operative testing, dietary changes, and possibly weight loss to prepare for the surgery. After the surgery, patients will experience a period of recovery in the hospital before transitioning to a liquid diet and then gradually reintroducing solid foods. Patients will also need to attend follow-up appointments, make lifestyle changes, and possibly attend support groups to ensure long-term success with the surgery.

What to Ask Your Doctor

Some questions a patient should ask their doctor about gastric bypass, particularly the one anastomosis/mini gastric bypass (OAGB/MGB) procedure, include:

  1. What are the potential risks and complications associated with the OAGB/MGB procedure?
  2. How does the OAGB/MGB procedure compare to other weight loss surgeries in terms of effectiveness and long-term outcomes?
  3. What is the expected recovery time and post-operative care plan for the OAGB/MGB procedure?
  4. How will the OAGB/MGB procedure affect my diet and nutritional needs? What supplements will I need to take?
  5. Are there any lifestyle changes or behaviors I will need to adopt before and after the OAGB/MGB procedure to ensure success?
  6. What is the success rate of the OAGB/MGB procedure in terms of weight loss and improvement of obesity-related health conditions?
  7. Are there any factors that may make me a better or worse candidate for the OAGB/MGB procedure?
  8. How long do the effects of the OAGB/MGB procedure typically last, and are there any potential long-term complications to be aware of?
  9. What follow-up appointments and monitoring will be necessary after the OAGB/MGB procedure to ensure my health and weight loss goals are being met?
  10. Are there any ongoing research or developments in the field of OAGB/MGB that I should be aware of?

Reference

Authors: Mahawar KK, Himpens J, Shikora SA, Chevallier JM, Lakdawala M, De Luca M, Weiner R, Khammas A, Kular KS, Musella M, Prager G, Mirza MK, Carbajo M, Kow L, Lee WJ, Small PK. Journal: Obes Surg. 2018 Feb;28(2):303-312. doi: 10.1007/s11695-017-3070-2. PMID: 29243145