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Left Ventricular Diastolic Dysfunction as Predictor of Unfavorable Prognosis After ESUS

Authors Bielecka-Dabrowa A, Gasiorek P, Wittczak A, Sakowicz A, Bytyçi I, Banach M

Received 17 December 2020

Accepted for publication 9 February 2021

Published 9 March 2021 Volume 2021:14 Pages 617—627


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 2

Editor who approved publication: Dr Scott Fraser

Agata Bielecka-Dabrowa, 1, 2 Paulina Gasiorek, 2 Andrzej Wittczak, 2 Agata Sakowicz, 3 Ibadete Bytyçi, 4, 5 Maciej Banach 1, 2

1Heart Failure Unit, Department of Cardiology and Congenital Diseases of Adults, Polish Mother’s Memorial Hospital Research Institute (PMMHRI), Lodz, Poland; 2Department of Hypertension, Chair of Nephrology and Hypertension, Medical University of Lodz, Lodz, Poland; 3Department of Medical Biotechnology, Medical University of Lodz, Lodz, Poland; 4Clinic of Cardiology, University Clinical Centre of Kosovo, Prishtina, Kosovo; 5Institute of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden

Correspondence: Agata Bielecka-Dabrowa
Heart Failure Unit¸ Department of Cardiology and Congenital Diseases of Adults, Polish Mother’s Memorial Hospital Research Institute (PMMHRI), Rzgowska 281/289, Lodz, 93-338, Poland
Tel +48 42 271 15 97
Fax +48 42 271 15 91
Email [email protected]

Objective: Identification of echocardiographic, hemodynamic and biochemical predictors of unfavorable prognosis after embolic strokes of undetermined etiology (ESUS) in patients at age < 65.
Patients and Methods: Out of 520 ischemic stroke patients we selected 64 diagnosed with ESUS and additional 36 without stroke but with similar risk profile. All patients underwent echocardiography, non-invasive assessment of hemodynamic parameters using SphygmoCor tonometer and measurements of selected biomarkers. Follow-up time was 12 months.
Results: Nine percent of patients died, and recurrent ischemic stroke occurred in 9% of patients only in the ESUS group. Atrial fibrillation (AF) occurred in 10% of patients and the ESUS group had a significantly poorer outcome of AF in the first 2 months after hospitalization. The outcome of re-hospitalization was 28% in the ESUS group and 17% in the control group. In the multivariate analysis mean early diastolic (E’) mitral annular velocity (OR 0.75, 95% CI: 0.6– 0.94; p=0.01) was significantly associated with cardiovascular hospitalizations. The only independent predictor of recurrent stroke was the ratio of peak velocity of early diastolic transmitral flow to peak velocity of early diastolic mitral annular motion (E/E’) (OR 0.75, 95% CI: 0.6– 0.94; p=0.01). E/E’ was independently associated with composite endpoint (death, hospitalization and recurrent stroke) (OR 1.90, 95% CI 1.1– 3.2, p=0.01).
Conclusion: The indices of diastolic dysfunction are significantly associated with unfavorable prognosis after ESUS. There is a robust role for outpatient cardiac monitoring especially during the first 2 months after ESUS to detect potential AF.

Keywords: ischemic stroke of undetermined etiology, atrial fibrillation, diastolic heart failure, diastolic dysfunction

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