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Echocardiographic Predictors of All-Cause Mortality in Patients with Hypertrophic Cardiomyopathy following Pacemaker Implantation by Zhang, Nixiao; Hua, Wei; Li, Xiaoping; Hu, Yiran; Niu, Hongxia; Cai, Chi; Gu, Min; Chen, Xuhua; Zhang, Shu is a Medicine article available to read on EtoBox.

What is Echocardiographic Predictors of All-Cause Mortality in Patients with Hypertrophic Cardiomyopathy following Pacemaker Implantation about?

## Objectives To examine the association between the echocardiographic parameters measured as left atrial diameter (LAD) and left ventricular end-diastolic diameter (LVEDD) and long-term risk of all-cause mortality in adults with hypertrophic cardiomyopathy (HCM) following pacemaker implantation. ## Methods A total of 94 adult patients with HCM who underwent pacemaker implantation from November 2002 to June 2013 in our Arrhythmia Center for symptomatic bradycardia and did not receive an implantable cardiac defibrillator (ICD) or cardiac resynchronization therapy (CRT) during follow-up were retrospectively extracted. ## Results After careful examination of the medical records, we retrospectively evaluated the clinical characteristics of 74 patients with LAD records (58.1 ± 14.9 years) and 76 patients with LVEDD records (57.6 ± 15.2 years). Based on the receiver-operating characteristic (ROC) curve, the values of LAD = 44 mm and LVEDD = 43 mm were identified to predict the all-cause mortality. In the Kaplan–Meier survival, LAD ≥44 mm and LVEDD ≥43 mm were both significantly associated with all-cause mortality (log-rank test __P__ < 0.05). Cox regression analysis indicated that LAD ≥4

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Author

Zhang, Nixiao; Hua, Wei; Li, Xiaoping; Hu, Yiran; Niu, Hongxia; Cai, Chi; Gu, Min; Chen, Xuhua; Zhang, Shu

Publisher

Hindawi Limited; Hindawi Publishing Corporation; Cairo: SAGE Hindawi; New York: Hindawi Publishing Corporation; London: Hindawi (ISSN 2090-8016)

Published

2020

Language

EN

Field

Medicine (Health Sciences)