Description
Traditional methods including food, exercise, and medication frequently fall short of weight loss objectives and long-term results maintenance. Various approaches used in bariatric surgery (BS) encourage quick and long-lasting weight loss. In the majority of cases, BS is the most effective treatment for severe and difficult obesity. In comparison to non-surgical conventional therapy, it also has a higher benefit-to-risk ratio. In comparison to conventional lifestyle adjustments, BS can help an obese patient lose weight more quickly and with a higher likelihood of keeping it off. Additionally, BS encourages improvements in quality of life and metabolic parameters, including diabetic remission.
Summary Listen
- Bariatric surgery is a gastrointestinal procedure recommended for obese individuals to achieve significant and sustained weight loss. Weight loss procedures are categorized into non-surgical options like intragastric balloon insertion (Orbera, O balloon, Ellipse balloon) and surgical options like gastric banding, Botox injection, gastric bypass, sleeve gastrectomy, and biliopancreatic diversion. The choice of surgery depends on complexity, with gastric banding being simpler and biliopancreatic diversion being more intricate.
- Bariatric surgery is indicated for individuals with morbid obesity (BMI above 40) or grade two obesity (BMI between 35 and 39.9) alongside comorbidities like coronary artery disease, sleep apnea, type 2 diabetes, or hypertension. Contraindications include severe heart failure, unstable coronary artery disease, stage lung, renal, or hepatic disease, active cancer, cirrhosis, and schizophrenia. A multidisiplinary team (bariatric surgeon, anesthesiologist, cardiologist, psychologist, dietitian, and physiotherapist) evaluates patients before surgery.
- Pre-operative diet and weight loss are crucial. The pre-operative diet is low-calorie, low-carb, low-sugar, and high-protein, with a target weight loss of 5-10%. Some dietitians may use meal replacements or liquid diets for 2 weeks prior to surgery. The pre-operative diet reduces surgical risks, shrinks the liver, and allows patients to adapt to a new lifestyle.
- Post-operative diet progresses through four stages: clear liquids, full liquids, pureed diet, soft diet, and stabilization diet. Stage 1A includes clear liquids like water, clear jelly, and broth. Stage 1B involves full liquids like skimmed milk, yogurt, and low-fat creamy soup. Stage 2 is the puree stage, where meals are blended into a semisolid consistency. Stage 3 introduces soft foods that can be mashed with a fork. Stage 4, the stabilization diet, is a lifelong commitment to a high-protein, low-fat, low-sugar diet.
- Vitamin and mineral supplementation (thiamine, B12, iron, calcium, vitamin D, folic acid, copper) is often necessary, with the specific regimen determined by the doctor. Physical activity is crucial pre- and post-surgery, starting with simple walks and gradually progressing to light exercises, cardio, and strength training. Regular follow-up appointments with the doctor and dietitian are essential.
- Potential nutrition problems post-surgery include dumping syndrome, characterized by abdominal pain, diarrhea, bloating, shaking, or fatigue. Management involves pharmacological intervention, smaller and frequent meals, avoiding sugary beverages, focusing on high-fiber, high-protein foods, and avoiding exercise immediately after eating. The myplate model helps bariatric patients structure their meals by including 50% protein, 30% non-starchy vegetables, and 20% carbs.
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About the Speakers
Ms. Rayan Saleh
Clinical Dietitian, Al Zahra Hospital Dubai. Emirates Specialty Hospital, DHCC Dubai, UAE.
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