ArticleScientific reports2022
A normal pattern of mitral inflow predicts a better prognosis following cardiovascular events in early advanced-age patients.
Article in Scientific reports, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Although a mitral inflow pattern usually changes from a normal pattern to an abnormal relaxation pattern as part of the aging process in healthy people, some early advanced-age individuals maintain a normal pattern. We investigated whether a normal pattern of mitral inflow predicts a better prognosis following cardiovascular (CV) events in early advanced-age patients. We enrolled 425 patients aged 60-65 years with 0.6 < E/A < 1.5. Patients were divided according to their mitral inflow pattern, i.e., a normal pattern group (E/A ≥ 1.0, n = 77) and an abnormal relaxation pattern group (E/A < 1, n = 348), and were evaluated the relationship with CV events. Multivariate regression analysis found that the normal inflow pattern was associated with odds ratios of 0.859 for body mass index (BMI; 95% confidence interval [CI]: 0.778-0.937), 0.529 for hypertension (0.303-0.924), and 0.325 for heart rate (0.228-0.463). During the follow-up period (4.9 ± 1.8 years), the adjusted-hazard ratio was significantly lower in the normal pattern group (HR: 0.119, 95% CI 0.016-0.910). Kaplan-Meier curves showed a higher event-free rate for the normal pattern group than for the abnormal relaxation pattern group (p = 0.0292). Normal inflow pattern in early advanced-age patients predicts a better prognosis following CV events.
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