Our Summary

This paper is a review of previous studies that compare two types of weight loss surgery: one anastomosis gastric bypass (OAGB) and Roux-en-Y gastric bypass (RYGB). These surgeries are often used to treat patients who are extremely overweight.

The researchers looked at 12 different studies, which included 7,452 patients. They found that OAGB surgeries were generally quicker to perform. Both types of surgery had similar lengths of hospital stays, and the risks of complications like leaks, ulcers, and death were about the same.

However, they found that OAGB surgeries had a higher risk of malnutrition, while RYGB had a higher risk of internal hernia and bowel obstruction.

Patients who had the OAGB surgery lost more excess weight one, two, and five years after their surgery. They were also more likely to no longer have type 2 diabetes after their surgery. The rates of getting rid of high blood pressure and high levels of fats in the blood were the same for both types of surgery.

The researchers concluded that more trials are needed to compare these two types of surgery and their outcomes.

FAQs

  1. What are the main differences in outcomes between OAGB and RYGB surgeries according to the studies reviewed?
  2. Which type of surgery resulted in a higher risk of malnutrition and which one had a higher risk of internal hernia and bowel obstruction?
  3. Did the studies show any difference in the rate of curing high blood pressure and high levels of fats in the blood between the two types of surgeries?

Doctor’s Tip

One helpful tip a doctor might give to a patient considering gastric bypass surgery is to carefully weigh the potential risks and benefits of each type of surgery, in consultation with their healthcare provider. It is important to consider factors such as weight loss outcomes, risk of complications, and impact on comorbid conditions like type 2 diabetes. It is also important for patients to follow post-operative guidelines and attend regular follow-up appointments to ensure the best outcomes after surgery.

Suitable For

Overall, patients who are recommended for gastric bypass surgery are typically those who are severely obese and have not been successful with other weight loss methods such as diet and exercise. Additionally, patients with obesity-related health conditions such as type 2 diabetes, high blood pressure, and high cholesterol may also be recommended for gastric bypass surgery. It is important for patients to undergo a thorough evaluation by a healthcare provider to determine if they are a good candidate for gastric bypass surgery.

Timeline

Overall, before undergoing gastric bypass surgery, a patient would typically go through a series of consultations with healthcare providers, undergo various medical tests and evaluations to determine if they are a suitable candidate for the surgery, and receive counseling on the risks and benefits of the procedure.

After the surgery, patients would experience an immediate period of recovery in the hospital, followed by a strict diet plan and exercise regimen to aid in weight loss and promote healing. Patients would also attend follow-up appointments with their healthcare team to monitor their progress, address any complications, and make any necessary adjustments to their treatment plan. Over time, patients would see significant weight loss, improvements in obesity-related health conditions, and an overall improvement in their quality of life.

What to Ask Your Doctor

Some questions a patient should ask their doctor about gastric bypass surgery include:

  1. What are the potential risks and complications associated with both one anastomosis gastric bypass (OAGB) and Roux-en-Y gastric bypass (RYGB) surgeries?
  2. How long will the surgery take to perform and what is the expected length of hospital stay for each type of surgery?
  3. What are the differences in post-operative nutritional needs between OAGB and RYGB surgeries?
  4. How does the risk of malnutrition compare between OAGB and RYGB surgeries?
  5. What are the risks of internal hernia and bowel obstruction associated with RYGB surgery?
  6. How does the weight loss and resolution of comorbidities, such as type 2 diabetes, compare between OAGB and RYGB surgeries?
  7. What is the long-term success rate of maintaining weight loss for each type of surgery?
  8. Are there any specific factors that make one type of surgery more suitable for me than the other?
  9. What is the follow-up care and monitoring required after each type of surgery?
  10. Are there any ongoing clinical trials or research studies comparing the outcomes of OAGB and RYGB surgeries that I should be aware of?

Reference

Authors: Magouliotis DE, Tasiopoulou VS, Tzovaras G. Journal: Clin Obes. 2018 Jun;8(3):159-169. doi: 10.1111/cob.12246. Epub 2018 Mar 24. PMID: 29573175