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Prognostic impact of left and right atrial strain in patients undergoing transcatheter aortic valve replacement.
Eur Heart J Cardiovasc Imaging
December 2024
Medizinische Klinik und Poliklinik I, LMU Klinikum, Munich, Germany.
Aims: Data on the prognostic value of left and right atrial strain after transcatheter aortic valve replacement (TAVR) for severe aortic stenosis (AS) are limited. Aim of this study was to evaluate outcomes of patients undergoing TAVR stratified by left and right atrial strain.
Methods And Results: Using data from a high-volume academic center, left and right atrial reservoir strain (LASr and RASr) was obtained in patients who underwent TAVR for severe AS from 2018 until 2021.
CT-derived myocardial strain measurement in patients with chronic constrictive pericarditis.
J Cardiovasc Comput Tomogr
October 2024
Department of Radiology and Research Institute of Radiology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea. Electronic address:
Background: We aimed to compare computed tomography (CT)-derived myocardial strain between patients with constrictive pericarditis (CP) and a matched healthy control group and to identify factors associated with clinical outcomes after pericardiectomy.
Methods: This retrospective study included 65 patients with CP (mean age: 58.9 ± 8.
Relationships between biatrial substrate and recurrence after radiofrequency ablation in patients with persistent atrial fibrillation.
Pacing Clin Electrophysiol
September 2024
Department of Cardiology, Dalian Municipal Central Hospital, Dalian, China.
Article Synopsis
- Global longitudinal strain (GLS) and atrial voltage are important indicators of potential recurrence of atrial fibrillation (AF) after ablation, with most research focusing on the left atrium rather than the right.
- This study analyzed 48 patients who underwent two-dimensional speckle tracking echocardiography and high-density mapping before and after radiofrequency catheter ablation (RFCA) to assess the atrial substrate.
- Findings revealed that low LA-GLS and high left atrial low voltage zones were linked to higher rates of AF recurrence, with biatrial average voltage levels showing a positive correlation pre and post-ablation.
Prognostic Significance of Biventricular and Biatrial Strain in Dilated Cardiomyopathy: Strain Analysis Derived from Cardiovascular Magnetic Resonance.
Rev Cardiovasc Med
December 2023
Department of Cardiology, The Second Affiliated Hospital of Harbin Medical University; The Key Laboratory of Myocardial Ischemia, Chinese Ministry of Education,150086 Harbin, Heilongjiang, China.
Background: Dilated cardiomyopathy (DCM) has a poor prognosis and high mortality. The relationship between the deformation capacity of the biatrial and biventricular regions in patients with DCM remains unclear.
Methods: This retrospective study used cardiovascular magnetic resonance (CMR) to assess patient enrollment between September 2020 to May 2022.
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