Our Summary

This research paper compares two types of weight-loss surgeries, the one-anastomosis gastric bypass (OAGB) and laparoscopic sleeve gastrectomy (LSG). The researchers looked at previous studies on these surgeries, which included 6761 patients. They found that patients who had the OAGB surgery lost more weight, had more improvement in other health conditions, spent less time in hospital, and had lower death rates than those who had the LSG surgery. There was no difference in complications such as leaks and bleeding in the stomach between the two surgeries. However, the researchers state that more well-designed studies are needed to confirm these results.

FAQs

  1. How did the weight loss results of the one-anastomosis gastric bypass (OAGB) compare to those of the laparoscopic sleeve gastrectomy (LSG)?
  2. Were there any differences in complications such as leaks and bleeding in the stomach between the OAGB and LSG surgeries?
  3. What conclusions did the researchers draw about the effectiveness of OAGB versus LSG surgeries and what further research is needed?

Doctor’s Tip

A doctor might tell a patient considering gastric bypass surgery to carefully weigh the potential benefits and risks of different types of weight-loss surgeries, such as one-anastomosis gastric bypass (OAGB) and laparoscopic sleeve gastrectomy (LSG). They may emphasize the importance of discussing these options with a healthcare provider to determine the best approach for their individual needs and health goals. Additionally, they may stress the importance of following post-operative guidelines and making lifestyle changes to support long-term weight loss success.

Suitable For

Patients who are typically recommended for gastric bypass surgery include those who have a body mass index (BMI) of 40 or higher, or a BMI of 35 or higher with obesity-related health conditions such as type 2 diabetes, high blood pressure, or sleep apnea. Additionally, patients who have not been able to lose weight through diet and exercise alone may be candidates for gastric bypass surgery. It is important for patients to also be committed to making lifestyle changes post-surgery, including following a healthy diet and engaging in regular physical activity.

Timeline

Before gastric bypass surgery:

  1. Patient consults with a healthcare provider to discuss weight loss options and determine if they are a candidate for gastric bypass surgery.
  2. Patient undergoes pre-operative evaluations, including physical exams, blood tests, and possibly psychological evaluations.
  3. Patient may be required to follow a specific diet and exercise regimen leading up to the surgery.
  4. Patient attends pre-operative education sessions to learn about the procedure, risks, and post-operative care.

After gastric bypass surgery:

  1. Patient is monitored closely in the hospital for any post-operative complications.
  2. Patient follows a strict post-operative diet plan, starting with clear liquids and gradually progressing to solid foods.
  3. Patient may experience side effects such as nausea, vomiting, and dumping syndrome as they adjust to their new stomach size.
  4. Patient attends follow-up appointments with their healthcare provider to monitor weight loss progress, nutritional status, and overall health.
  5. Patient may undergo additional procedures, such as plastic surgery, to remove excess skin after significant weight loss.

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 this time?
  3. Will I need to make any changes to my diet or lifestyle after surgery?
  4. What kind of follow-up care will be required after the surgery?
  5. How long will it take for me to see results in terms of weight loss and improvement in my health conditions?
  6. Are there any specific dietary supplements or medications I will need to take after surgery?
  7. What kind of support or resources are available to help me adjust to life after gastric bypass surgery?
  8. How will gastric bypass surgery affect my ability to absorb nutrients and vitamins?
  9. What are the long-term effects of gastric bypass surgery on my overall health?
  10. Are there any specific warning signs or symptoms I should watch out for after surgery that may indicate a complication?

Reference

Authors: Magouliotis DE, Tasiopoulou VS, Svokos AA, Svokos KA, Sioka E, Zacharoulis D. Journal: Obes Surg. 2017 Sep;27(9):2479-2487. doi: 10.1007/s11695-017-2807-2. PMID: 28681256