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Obes Surg. 2009 Nov;19(11):1481-4. doi: 10.1007/s11695-009-9943-2. Epub 2009 Aug 28.

Obese patients with type 2 diabetes submitted to banded gastric bypass: greater incidence of dumping syndrome.

Author information

1
Centro da Obesidade Mórbida do Hospital São Lucas, Pontifícia Universidade Católica do Rio Grande do Sul, Av. Ipiranga, 6690/302, Porto Alegre, Rio Grande do Sul 90610-000, Brazil. alexandre@padoin.med.br

Abstract

BACKGROUND:

Dumping syndrome is one of ten most common complications in morbidly obese patients operated. Recent studies in relation to type 2 diabetes mellitus (DM2) in patients submitted to gastric bypass led us to examine the different outcomes in this group of patients. Our objective was to determine the difference in the prevalence of dumping syndrome in patients with DM2 submitted to gastric bypass.

METHODS:

In this retrospective study, 49 diabetic and 54 non-diabetic morbidly obese patients were submitted to gastric bypass and followed up at 3, 6, and 12 months after surgery. The occurrence of dumping was determined by the patient's medical chart, where it was considered positive if recorded in at least one of three evaluations.

RESULTS:

The 103 patients evaluated had a mean BMI of 49.5 +/- 9.3 kg/m(2) and mean age of 38 +/- 9.7 years, with 75.7% being women. The prevalence of dumping syndrome in this population was 24.3%. The prevalence of dumping was greater in patients with DM2 (44.9%) when compared to the control group (5.6%; p < 0.001). Multivariate logistic regression analysis indicated the diagnosis of DM2 as the only variable associated with dumping syndrome.

CONCLUSIONS:

Dumping syndrome is a common postoperative complication in gastric bypass. Patients with DM2 show a greater postoperative prevalence of dumping.

PMID:
19714385
DOI:
10.1007/s11695-009-9943-2
[Indexed for MEDLINE]

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