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Determinants and Prognostic Significance of Symptomatic Status in Patients with Moderately Dysfunctional Bicuspid Aortic Valves

 Soo Youn Lee  ;  Chi Young Shim  ;  Geu-Ru Hong  ;  In Jeong Cho  ;  Hyuk-Jae Chang  ;  Jong-Won Ha  ;  Namsik Chung 
 PLOS ONE, Vol.12(1) : e0169285, 2017 
Journal Title
Issue Date
Aged ; Aorta/pathology ; Aortic Valve/abnormalities* ; Aortic Valve/pathology ; Aortic Valve Stenosis/pathology ; Disease-Free Survival ; Echocardiography ; Female ; Heart Valve Diseases/pathology* ; Humans ; Hypertension/physiopathology ; Logistic Models ; Male ; Middle Aged ; Prognosis
BACKGROUND: We aimed to identify the clinical and echocardiographic determinants of symptoms and their prognostic implications in patients with moderately dysfunctional bicuspid aortic valves (BAVs).

METHODS: Among 1,019 subjects in the BAV registry treated in a single tertiary care center, the records of 127 patients (85 men, age 58±13 years) with moderately dysfunctional BAVs were comprehensively reviewed. The patients were divided into two groups based on symptom status: asymptomatic (n = 80) vs. symptomatic (n = 47). The primary end-point was defined as a composite of aortic valve surgery, hospitalization for heart failure, and any cause of death.

RESULTS: The symptomatic group had a higher proportion of females, hypertension, aortic stenosis, and aortopathy than did the asymptomatic group. The symptomatic group showed lower e' (5.5±1.7 vs. 6.5±2.2 cm/s, p = 0.003), higher E/e' (13.3 ± 4.9 vs. 10.9±3.7, p = 0.002), and larger left atrial volume index (29.9±11.4 vs. 24.6±9.1 ml/m2, p = 0.006) than did the asymptomatic group. In multivariate logistic regression analysis, female gender (odds ratio [OR] 2.84, 95% confidence interval [CI] 1.10-7.36, p = 0.031), hypertension (OR 3.07, 95% CI 1.20-7.82, p = 0.019), moderate aortic stenosis (OR 5.33 5.78, 95% CI 1.99-16.83, p = 0.001), E/e' >15 (OR 3.82, 95% CI 1.03-11.19, p = 0.015), and aortopathy (OR 2.76, 95% CI 1.07-7.10, p = 0.035) were independently correlated with symptom status. The symptomatic group showed a significantly lower rate of event-free survival during the 8-year follow-up period (54±9% vs. 68±10%, p = 0.001).

CONCLUSIONS: In patients with moderately dysfunctional BAVs, the presence of moderate aortic stenosis, aortopathy, and diastolic dysfunction determines symptom status, along with female gender and hypertension. Symptom status was associated with clinical outcomes.
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1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Shim, Chi Young(심지영) ORCID logo https://orcid.org/0000-0002-6136-0136
Chang, Hyuk-Jae(장혁재) ORCID logo https://orcid.org/0000-0002-6139-7545
Chung, Nam Sik(정남식)
Cho, In Jeong(조인정)
Ha, Jong Won(하종원) ORCID logo https://orcid.org/0000-0002-8260-2958
Hong, Geu Ru(홍그루) ORCID logo https://orcid.org/0000-0003-4981-3304
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