(HealthDay News) — Among patients with gastroesophageal reflux disease (GERD), laparoscopic sleeve gastrectomy (LSG) does not resolve symptoms for most patients and can even induce symptoms, while gastric bypass (GB) is effective for many patients, according to a study published online February 5 in JAMA Surgery.

Cecily E. DuPree, DO, from the Madigan Army Medical Center in Ft. Lewis, Washington, and colleagues reviewed the medical records of 4,832 patients who underwent LSG (44.5% with preexisting GERD) and 33,867 patients who underwent GB (50.4% with preexisting GERD).

The researchers found that 84.1% of LSG patients continued to have GERD symptoms after surgery, which were resolved in only 15.9% of cases, and 8.6% of patients who did not have preoperative GERD developed symptoms postoperatively. LSG patients with preoperative GERD were significantly more likely to have complications and adverse events. In contrast, GB resolved GERD in 62.8% of patients and stabilized symptoms in 17.6% of patients. GERD was not associated with weight loss in the GB group but was associated with lower weight loss in the LSG group.

“Laparoscopic sleeve gastrectomy did not reliably relieve or improve GERD symptoms and induced GERD in some previously asymptomatic patients,” DuPree and colleagues write.

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