Here’s Why Proper Hydration Is So Important After Bariatric Surgery

Posted on: 22nd Sep, 2023


Proper hydration is especially important in the early postoperative period following bariatric surgery to ensure a successful recovery and to set the stage for long-term success. Sleeve gastrectomy, gastric bypass and duodenal switch are life-changing procedures that can help individuals struggling with obesity achieve significant weight loss, reverse diabetes, and improve their overall health. Each procedure alters the stomach or GI tract in ways that can reduce a person’s oral intake because of surgical swelling or what is called “ileus” – a postoperative condition of temporary paralysis or reduced motility of the GI tract. While these are normal parts of recovering from gastrointestinal surgery, these conditions can lead to dehydration. After undergoing bariatric surgery, it’s important to follow postoperative advice that includes dietary modifications, regular physical activity, and proper hydration. Let’s explore the key considerations and guidelines for maintaining optimal hydration after bariatric surgery.

The Importance of Hydration

Proper hydration is vital for everyone, but it becomes even more critical after bariatric surgery. Several factors make hydration particularly important for people in the postoperative stage:

  • Immediate postoperative nausea and vomiting. There is a true-ism that ankle surgery causes ankle swelling, and stomach surgery causes stomach swelling. It means that a certain amount of stomach upset after stomach surgery is to be expected. Today, with modern techniques, improved instruments, shorter surgery times (the sleeve often takes 30 minutes in skilled hands), improved anesthesia techniques, and some anti-nausea medications, most people avoid ever actually vomiting after bariatric surgery. But for those who do experience stomach upset, it is important to avoid dehydration. This means communicating with your doctor and surgical team about nausea and the amount of oral intake, using anti-nausea medications, IV fluids when necessary, sipping fluids and using popsicles and ice chips to stay hydrated.
  • Nutrient absorption. Bariatric procedures, such as gastric bypass and sleeve gastrectomy, alter the digestive tract anatomy, potentially affecting nutrient and fluid absorption. Therefore, maintaining an adequate fluid balance is vital for overall health. Of particular concern are vitamin deficiencies that can result from prolonged vomiting. Long recognized among pregnant women with persistent vomiting (hyperemesis gravidarum), vitamin deficiencies such as low thiamine or B12 can cause nerve injury or serious problems. So, if you are struggling to keep down fluids, call your doctor right away and be open to some IV hydration and vitamin infusions to prevent more serious problems.
  • Preventing dehydration complications. Dehydration can lead to complications like kidney stones and electrolyte imbalances, which may be more severe in individuals who have undergone bariatric surgery. Staying well-hydrated helps minimize these risks.

Hydration Guidelines After Bariatric Surgery

  • Start slowly. Immediately after surgery, your surgeon and healthcare team will provide specific instructions on when and how to start drinking liquids. Initially, you’ll be limited to small sips of clear fluids to allow your stomach to heal. Listen to your body and advance your oral intake only when your body accepts it.
  • Progress gradually. Over time, you’ll progress from clear fluids to thicker liquids and, eventually, pureed and soft foods. It’s crucial to follow your surgeon’s guidance on this progression.
  • Focus on water. Water and electrolyte drinks should be your primary source of hydration. It’s calorie-free and essential for various bodily functions. Aim for at least 64 ounces (about 2 liters) of water or electrolyte drink daily but adjust this based on your surgeon’s recommendations and individual needs.
  • Avoid carbonated beverages. Carbonated beverages can cause discomfort, gas, and bloating after bariatric surgery. It’s best to avoid them in the early postoperative phase or consume them sparingly.
  • Limit caffeine. High-caffeine beverages should be consumed in moderation or avoided altogether. Caffeine is a diuretic, and these drinks can lead to dehydration and may not provide the necessary nutrients.
  • Monitor urine color. One easy way to assess your hydration status is by checking the color of your urine. Pale yellow or light straw-colored urine typically indicates proper hydration, while dark yellow or amber urine may signal dehydration.
  • Stay consistent. Hydration should be a consistent habit throughout your postoperative journey. Try to sip water regularly throughout the day rather than consuming large amounts at once.
  • Supplement electrolytes. Bariatric surgery can affect electrolyte balance. Your surgeon may recommend electrolyte supplements or specific hydration solutions to maintain proper electrolyte levels.
  • Avoid drinking with every meal. To avoid washing every bite of solid food through your system and never experiencing fullness, it is generally advisable to avoid drinking liquids within 30 minutes before or after meals.

The Takeaway

For the vast majority of people having bariatric surgery, hydration is easy and natural. Drink when you are thirsty and stay naturally hydrated just as you would have before surgery. But for a few individuals, staying hydrated requires some effort, especially in the early days immediately following the surgical procedure. Hydration is overall a crucial aspect of post-bariatric surgery care and an essential component of your long-term success. Following these guidelines and working closely with your healthcare team will help you maintain proper hydration, avoid complications, and achieve the best possible outcomes. Remember that individual hydration needs can vary, so always consult your surgeon or dietitian for personalized recommendations. With a commitment to staying well-hydrated, you can enjoy the many benefits that bariatric surgery offers on your journey toward improved health and well-being.

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