Prediction of long-term outcomes by arterial stiffness and pressure wave reflections in patients with acute stroke: the Athens Stroke Registry
Date
2022Language
en
Sujet
Résumé
Background and purpose: Stroke patients' management might be improved by addressing the role of aortic stiffness (carotid-femoral pulse wave velocity: cfPWV) and pressure wave reflections (PWRs, augmentation index: AIx) in their pathogenesis and outcome. We tested the hypothesis that cfPWV and AIx, separately and combined, predict long-term outcomes [all-cause mortality, incidence of cardiovascular events, stroke recurrence and disability defined by modified Ranking Scale (mRS) ≥3] in patients with acute stroke, using data from the 'Athens Stroke Registry'. Methods: Data from 552 patients (70% men, age: 66.1 ∓10.4years, 13.4% deaths from any cause, 21.2% cardiovascular events, 14.1% stroke recurrences and 20.1% poor mRS, mean follow-up 68.4∓41.4months) were analyzed. Results: The main findings were that: high aortic stiffness (cfPWV > 13 m/s) alone is an independent predictor of all-cause mortality and cardiovascular (CV) events, but not of stroke recurrence and poor functional outcome; evaluated separately from aortic stiffness, neither low nor high PWRs have any prognostic value; even after multiple adjustments, patients with both high aortic stiffness (cfPWV > 13 m/s) and low PWRs (Aix < 22%) have almost two-fold higher hazard ratio, not only for all-cause mortality and CV events but also for stroke recurrence and poor functional outcome. Conclusions: The present study provides evidence about the role of aortic stiffness, PWRs and their combined incremental value in the long-term survival, morbidity, and functional disability after acute stroke. © 2022 Wolters Kluwer Health, Inc.
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