Why do gastric bypasses fail




















A fistula could develop between the gastric pouch and the bypassed stomach. Pneumonia is another dangerous complication, because digestive juices can spill into the lungs. If you are considering gastric bypass surgery for obesity, discuss the procedure carefully with your healthcare provider. The overall risk of serious complications should be weighed against the risk of continued obesity.

Remember that gastric bypass surgery works best when combined with long-term, healthy lifestyle choices. These involve good nutritional eating habits and regular exercise. Health Home Treatments, Tests and Therapies.

Gastric bypass overview Gastric bypass is one common type of weight-loss surgery. Symptoms of anastomotic leaking Anastomotic leaks happen in 1. Symptoms of an anastomotic leak include: Rapid heart rate Fever Stomach pain Drainage from a surgical wound Nausea and vomiting Pain in the left shoulder area Low blood pressure Decreased urine output The more obese you are, the more at risk you are for an anastomotic leak.

Diagnosis and treatment of anastomotic leaking A diagnostic test used to look for anastomotic leaking is an upper GI or a CT scan. The medical team treating an anastomotic leak will likely take these steps: Give you antibiotics through an intravenous line IV.

Drain any infection caused by the leak, repair the leak, or make a new anastomosis by operating again. Use an upper endoscopy to place a temporary stent across the leaking area, from the inside of the gastric pouch or the small intestine. Stop all oral feedings. You may be fed through a tube that goes directly into your intestine until the leak has healed. Risks of anastomotic leaking A leaking anastomosis may cause bleeding and infection until it is treated.

Getting there is not easy. But it is necessary. Find the center and the surgeon with experience in revisions. There are many wonderful, young, talented surgeons and excellent recently formed programs. But this is a specialized aspect of surgery, and a few gray hairs plus a couple of decades in the field make a world of difference when it comes to revision procedures.

Striking a balance between minimally invasive and maximally effective is the best way to go. A laparoscopic procedure that changes the bypass to bring it up to the best modern standards, with a longer biliopancreatic limb as a key feature, usually brings the best results with the fewest potential side effects or complications. Duodenal switch, biliopancreatic diversion, and acronyms like SADI all point to a category of procedures that work well to change the body chemistry toward weight loss.

Some of the lessons learned from these procedures are employed in the most effective, but simpler, revision procedures for failed gastric bypass. This causes more favorable change to the body chemistry and jumpstarts the weight loss. Efforts to simply tighten the gastric pouch have proven mostly unsatisfactory. So choose this option with caution, be prepared to pay a lot out of pocket, and keep expectations lower than you might like.

It might seem like restricting the calories should work to induce weight loss, but this approach does not affect the underlying body chemistry, and restrictive approaches have always resulted in less success than we had hoped. A conversion to duodenal switch sounds attractive on the surface but is notorious for resulting in leaks and other serious complications. So, this option also deserves a good deal of caution and not many centers still favor this idea. The field is always evolving.

A number of well-conducted studies were published in and from centers across the globe showing strong results and minimal invasiveness, appearing to offer the Goldilocks combination of safe, simple, and most effective. The procedure, under names like distalization or limb-lengthening, is normally performed with laparoscopy, hence minimally invasive, and has few complications.

With experience, our center and others like it have optimized the revision and limb lengths, personalized to each individual, so nutritional side effects are minimized, while weight loss — and health improvement — is maximized. Most people, and most doctors, significantly underestimate the health toll of obesity, and most people overestimate the risk and inconvenience of revising the prior gastric bypass.

In the overwhelming majority of cases, the risks of ongoing obesity are extremely significant over time, leading to miserable health problems and a shorter life. Revision surgery is usually very straightforward, minimally invasive, and provides major health improvement and low side effects.

Stick with the vitamins for the long term. You should have already been taking regular vitamins after RYGB surgery. And your doctor should be checking vitamin levels with routine blood tests. After a revision procedure, it is important to stay diligent with your daily vitamins and the regular blood tests to make sure they are staying in the normal range. Triglycerides usually go way down after revision with distalization. However, surgery carries the possibility of risks and side effects, such as diarrhea, malabsorption.

The majority of side effects after gastric bypass are minor and can be easily solved. But sometimes, patients experience more severe difficulties that can lead to additional health problems. Complications after gastric bypass can happen in the early post-op period, or later on down the road. The most common gastric bypass complications that may occur soon after surgery include:.

Some complications happen long after the surgery. The most common complications that may happen later on include:. The gastric bypass procedure is considered the gold standard of weight loss surgery procedures. Weight loss is likely to occur over one to two years after surgery. However, not all patients lose the same amount after gastric bypass. Gastric bypass does not lead to weight loss on its own, but it does help patients achieve weight loss.

Weight loss is more successful after gastric bypass when patients follow a healthy diet combined with regular physical activity. Lack of a healthy diet and not following nutrition recommendations after surgery is one reason for gastric bypass failure.

The first line of defense against failed gastric bypass is before surgery even happens. It's essential to get educated before surgery about appropriate amounts of protein and calories to maximize your weight loss.



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