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J Gastrointest Surg. 2009 Apr;13(4):793-7. doi: 10.1007/s11605-008-0759-5. Epub 2008 Dec 3.

Resolution of systemic hypertension after laparoscopic gastric bypass.

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1
Department of Surgery, University of California, Irvine Medical Center, Orange, CA 92868, USA.

Abstract

BACKGROUND:

Hypertension is a well-recognized and treatable risk factor for coronary heart disease and is one of the most common comorbidities associated with obesity. The aim of this study was to characterize the clinical outcome of a cohort of patients with documented hypertension who underwent laparoscopic gastric bypass.

METHODS:

Ninety-five obese patients with documented hypertension and being treated with antihypertensive medication(s) underwent laparoscopic gastric bypass. Main outcome measures included length of hypertensive condition, changes in systolic and diastolic blood pressures, and changes in antihypertensive medication(s) at follow-up.

RESULTS:

There were 69 (72%) females with a mean preoperative body mass index of 47 kg/m(2). The mean duration of hypertension was 73 +/- 70 months. The mean excess body weight loss at 12 months was 66%. The mean systolic blood pressure significantly decreased from 140 +/- 17 mmHg preoperatively to 120 +/- 18 mmHg at 12 months (p < 0.01). The mean diastolic blood pressure also significantly decreased from 80 +/- 11 mmHg preoperatively to 71 +/- 8 mmHg at 12 months (p < 0.01). At 12 months follow-up, 44 (46%) patients had complete resolution of hypertension while 18 (19%) patients had improvement. Patients with complete resolution had a shorter duration of disease as compared to patients without resolution (53 vs. 95 months, respectively, p = 0.01).

CONCLUSION:

Weight loss associated with laparoscopic gastric bypass substantially improves and/or resolves hypertension in the majority of patients. Improvement of hypertension occurs as early as 1 month postoperatively and is more frequently in patients with a shorter preoperative duration of disease.

PMID:
19050981
DOI:
10.1007/s11605-008-0759-5
[Indexed for MEDLINE]

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