Obesity is an independent risk factor for heart failure in patients with hypertrophic
cardiomyopathy (HC). In this study, we examined national trends and early outcomes
of bariatric surgery for obesity in patients with HC. Using the weighted discharge
data from the National Inpatient Sample, we identified adult patients with HC who
underwent elective bariatric surgery for obesity between 2011 and 2017. A total of
443 obese patients with HC were identified, and 42% (n = 185) had obstructive HC.
The annual number of patients increased from 18 in 2011 to 130 in 2017. Overall, the
median (interquartile range) age was 50 (43 to 57) years, and 85 patients (19%) were
60 years or older. Approximately 20% (n = 90) of the patients had heart failure at
the time of operation. Atrial fibrillation was present in 83 patients (19%), and 22%
(n = 95) of the cohort had a pacemaker or automatic cardiac defibrillator implanted
before the operation. Laparoscopic sleeve gastrectomy (72%, n = 318) and laparoscopic
Roux-en-Y gastric bypass (25%, n = 110) were the most commonly performed bariatric
procedures. Overall, patients stayed in the hospital for a median (interquartile range)
of 2 (1 to 2) days. During the hospital stay, there were no deaths, myocardial infarctions,
or documented episodes of thromboembolism. In conclusion, bariatric surgery in patients
with HC is performed more frequently in recent years and is safe and associated with
few perioperative complications. Because of the impact of obesity on long-term survival,
clinicians should strongly consider bariatric surgery for obese HC patients who do
not respond to conservative weight loss measures.
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Article info
Publication history
Published online: January 03, 2022
Received in revised form:
November 19,
2021
Received:
October 1,
2021
Footnotes
This work was supported by the Paul and Ruby Tsai Family.
Identification
Copyright
© 2021 Elsevier Inc. All rights reserved.
