Our Summary

This research paper analyzes the effect of two types of weight loss surgery, gastric bypass and sleeve gastrectomy, on people’s food intake. The researchers reviewed 18 different studies and found that after surgery, people were consuming about 1050 fewer calories per day. The surgery also seemed to reduce fat intake slightly, but didn’t have a significant effect on carbohydrate intake. The findings suggest that these types of surgeries can help reduce energy and fat intake, which could be beneficial for long-term weight loss.

FAQs

  1. What types of weight loss surgery were analyzed in this research paper?
  2. How much did the surgeries reduce people’s daily caloric intake on average?
  3. Did the surgeries have a significant impact on carbohydrate intake?

Doctor’s Tip

One helpful tip a doctor might tell a patient about gastrectomy is to focus on eating small, frequent meals throughout the day to help manage portion sizes and prevent discomfort or dumping syndrome. It is important to prioritize protein-rich foods and stay hydrated to support healing and maintain muscle mass. Patients should also work closely with a registered dietitian to develop a balanced, nutrient-dense meal plan that meets their individual needs and supports their long-term health goals. Regular follow-up appointments with healthcare providers are key to monitor progress, address any concerns, and make adjustments as needed.

Suitable For

Patients who are typically recommended gastrectomy are those who have severe obesity (BMI 40 or higher) or have a BMI of 35 or higher with a serious obesity-related health condition such as type 2 diabetes, high blood pressure, or sleep apnea. Additionally, patients who have not been successful with other weight loss methods such as diet and exercise may also be recommended for gastrectomy. It is important for patients to undergo a thorough evaluation by a healthcare provider to determine if gastrectomy is the best treatment option for their individual situation.

Timeline

Before gastrectomy:

  1. Consultation with a healthcare provider to discuss the procedure and determine eligibility.
  2. Preoperative testing and evaluations to assess overall health and fitness for surgery.
  3. Preoperative dietary and lifestyle changes to prepare the body for surgery and reduce the risk of complications.
  4. Surgery to remove a portion or all of the stomach, depending on the type of gastrectomy.
  5. Postoperative recovery period in the hospital, with monitoring for potential complications such as infection or leakage.

After gastrectomy:

  1. Gradual reintroduction of liquids and soft foods to allow the stomach to heal and adjust to its new size.
  2. Follow-up appointments with healthcare providers to monitor progress, address any concerns, and make adjustments to the diet and lifestyle as needed.
  3. Continued dietary and lifestyle changes to support weight loss and promote overall health.
  4. Long-term monitoring for potential complications and nutritional deficiencies, such as vitamin and mineral deficiencies.
  5. Adjustment to a new way of eating, with smaller portion sizes and a focus on nutrient-dense foods to maintain weight loss and overall health.

What to Ask Your Doctor

  1. What is a gastrectomy and how will it affect my digestive system?
  2. What are the potential risks and complications associated with gastrectomy surgery?
  3. How long is the recovery period after gastrectomy surgery?
  4. Will I need to make any changes to my diet or lifestyle after gastrectomy surgery?
  5. What are the long-term effects of gastrectomy on weight loss and overall health?
  6. Are there any alternative treatments or procedures that I should consider before opting for gastrectomy surgery?
  7. How often will I need to follow up with you after the surgery?
  8. What kind of support or resources are available for patients undergoing gastrectomy surgery?
  9. How will gastrectomy surgery impact my ability to absorb nutrients and vitamins from food?
  10. Are there any specific dietary guidelines or restrictions that I should follow post-surgery?

Reference

Authors: Janmohammadi P, Sajadi F, Alizadeh S, Daneshzad E. Journal: Obes Surg. 2019 Mar;29(3):1040-1048. doi: 10.1007/s11695-018-03663-w. PMID: 30610675