Surgery for obesity and related diseases : official journal of the American Society for Bariatric Surgery · 2018
Bariatric surgery reduces incidence of atrial fibrillation: a propensity score-matched analysis.
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Lynch Kevin T, Mehaffey J Hunter, Hawkins Robert B, Hassinger Taryn E, Hallowell Peter T, Kirby Jennifer L
Аннотация
BACKGROUND: Obesity is associated with an increased risk of atrial fibrillation (AF). Bariatric surgery results insubstantial long-term weight loss and the amelioration of several chronic comorbidities. We hypothesized that weightreduction with bariatric surgery would reduce the long-term incidence of AF.
OBJECTIVES: To assess the association between bariatric surgery and AF prevention.
SETTING: University Hospital, United States.
METHODS: All patients who underwent bariatric surgery at a single institution from 1985-2015 (n = 3,572) were propensity score matched 1:1 to a control population of obese patients with outpatient appointments (n = 45,750) in our clinical data repository. Patients with a prior diagnosis of AF were excluded. Demographics, relevant comorbidities, and insurance status were collected and a chart review was performed for all patients with AF. Paired univariate analyses were used to compare the two groups.
RESULTS: After propensity score matching, 5,044 total patients were included (2,522 surgical, 2,522 non-surgical). There were no differences in preoperative body mass index (BMI) (47.1 vs 47.7 kg/m2, P = 0.76) or medical comorbidities between groups. The incidence of AF was lower among surgical patients (0.8% vs 2.9%, P = 0.0001). In patients ultimately diagnosed with AF, time from enrollment to development of AF did not differ between groups; however, surgical patients with AF experienced a significantly higher reduction in excess BMI compared to non-surgical patients with AF (57.9% vs -3.8%, P<0.001).
CONCLUSION: The incidence of AF was lower among patients who underwent bariatric surgery compared to their medically managed counterparts. Weight reduction with bariatric surgery may reduce the long-term incidence of AF.
OBJECTIVES: To assess the association between bariatric surgery and AF prevention.
SETTING: University Hospital, United States.
METHODS: All patients who underwent bariatric surgery at a single institution from 1985-2015 (n = 3,572) were propensity score matched 1:1 to a control population of obese patients with outpatient appointments (n = 45,750) in our clinical data repository. Patients with a prior diagnosis of AF were excluded. Demographics, relevant comorbidities, and insurance status were collected and a chart review was performed for all patients with AF. Paired univariate analyses were used to compare the two groups.
RESULTS: After propensity score matching, 5,044 total patients were included (2,522 surgical, 2,522 non-surgical). There were no differences in preoperative body mass index (BMI) (47.1 vs 47.7 kg/m2, P = 0.76) or medical comorbidities between groups. The incidence of AF was lower among surgical patients (0.8% vs 2.9%, P = 0.0001). In patients ultimately diagnosed with AF, time from enrollment to development of AF did not differ between groups; however, surgical patients with AF experienced a significantly higher reduction in excess BMI compared to non-surgical patients with AF (57.9% vs -3.8%, P<0.001).
CONCLUSION: The incidence of AF was lower among patients who underwent bariatric surgery compared to their medically managed counterparts. Weight reduction with bariatric surgery may reduce the long-term incidence of AF.