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Metabolic intestinal surgery. Its complications and management
Abstract:
From November 1970 to August 1974 small intestinal bypass was performed in 475 patients for morbid obesity with an operative mortality of 1.6%. Immediate postoperative complications were superficial wound infection (17 patients), pulmonary complications (seven patients), cardiac complications (five patients), wound dehiscence (nine patients), intestinal tract fistula (four patients), and miscellaneous complications (14 patients). Delayed complications included hypokalemia (28%), hypocalcemia (9%), anemia (11%), calcium oxalate urinary calculi (6%), gout (2%), and hepatic failure (1.4%). Fourteen patients died of late complications. Ventral incisional hernia occurred in 3% of the patients; failure to lose sufficient weight in 21%, all but one occurring in patients with end-to-side shunts. Thirteen end-to-side shunts have been converted to end-to-end shunts because of insufficient weight loss. A team concept is important in the handling of the morbidly obese. Small bowel bypass is effective in producing sustained weight reduction in these patients. Careful and continued study of these patients for the rest of their lives is of paramount importance.
Insights
Small intestinal bypass surgery effectively reduces weight in morbidly obese patients. However, careful lifelong monitoring is crucial due to potential complications and varying weight loss outcomes.
Area of Science:
- Bariatric Surgery
- Gastroenterology
- Surgical Outcomes
Background:
- Morbid obesity presents significant health challenges requiring effective interventions.
- Small intestinal bypass (SIB) has been utilized as a surgical approach for weight management.
Purpose of the Study:
- To evaluate the long-term efficacy and complications of small intestinal bypass surgery in morbidly obese patients.
- To assess operative mortality, immediate and delayed complications, and sustained weight loss following SIB.
Main Methods:
- A retrospective analysis of 475 morbidly obese patients who underwent small intestinal bypass between November 1970 and August 1974.
- Data collection included operative mortality, postoperative complications, delayed metabolic and surgical issues, and weight loss outcomes.
Main Results:
- Operative mortality was 1.6%. Common immediate complications included wound infections and pulmonary issues. Delayed complications comprised hypokalemia (28%), hypocalcemia (9%), anemia (11%), and hepatic failure (1.4%).
- Twenty-one percent of patients experienced insufficient weight loss, particularly those with end-to-side shunts. Late mortality occurred in 14 patients.
- Ventral incisional hernia was observed in 3% of patients. Conversion of shunts was performed for inadequate weight reduction.
Conclusions:
- Small intestinal bypass is an effective method for sustained weight reduction in morbidly obese individuals.
- The procedure carries risks of significant short-term and long-term complications requiring vigilant lifelong patient follow-up.
- A multidisciplinary team approach is essential for managing morbidly obese patients undergoing bariatric surgery.