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  • Title: Gender Difference in the Association between Aortic Pulse Pressure and Left Ventricular Filling Pressure in the Elderly: An Invasive Hemodynamic Study.
    Author: Kim KJ, Kim HL, Kim MJ, Kim CH, Lim WH, Seo JB, Chung WY, Kim SH, Kim MA, Zo JH.
    Journal: J Card Fail; 2017 Mar; 23(3):224-230. PubMed ID: 28087427.
    Abstract:
    BACKGROUND: This study was conducted to determine the association between aortic pulse pressure (APP) and left ventricular (LV) filling pressure in the elderly of both genders. METHODS: A total of 211 stable elderly subjects (age ≥65 years, mean age 72.1 ± 5.2 years, 53.6% women) who underwent invasive coronary angiography (ICA) for the evaluation of coronary artery disease (CAD) were prospectively investigated. APP was measured in the ascending aorta using a pigtail catheter immediately before ICA. E/e', reflecting LV filling pressure, was assessed by transthoracic echocardiography. RESULTS: There were positive linear correlations between APP and E/e' in both genders, but the correlation power was stronger in women than in men (r = 0.402, P <.001 vs r = 0.208, P = .040). The significance of this association between APP and E/e' remained after controlling for potential confounders in multiple linear regression analysis in women (β = 0.359, P <.001), but not in men (r = 0.139, P = .108). CONCLUSIONS: Invasively measured APP is independently associated with E/e' in elderly women, but not in elderly men undergoing ICA. Aortic stiffness may be a potential mechanism for more prevalent LV diastolic dysfunction and heart failure with preserved ejection fraction in elderly women.
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