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Comparative Analysis of Central and Noncentral Degenerative Mitral Regurgitation Treated With Transcatheter Mitral Valve Edge-To-Edge Repair.
Catheter Cardiovasc Interv
December 2024
Department of Structural Heart Disease, National Center for Cardiovascular Disease, China & Fuwai Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China.
Background: Mitral valve transcatheter edge-to-edge repair (M-TEER) was initially indicated for central degenerative mitral regurgitation (DMR) lesions, but advancements in technology have enabled successful treatment in an increasing number of noncentral DMR patients.
Aims: This study aims to compare procedural outcomes and prognosis between noncentral DMR patients, outside clinical trial anatomical criteria, and central DMR patients undergoing M-TEER.
Methods: Drug-refractory moderate-to-severe DMR patients treated with M-TEER at Fuwai Hospital from January 2021 to February 2024 were retrospectively analyzed.
Surgical explantation of an infected Lotus Edge valve: a case report.
Gen Thorac Cardiovasc Surg Cases
December 2024
Department of Cardiovascular Surgery, National Cerebral and Cardiovascular Center, Osaka, 564-8565, Japan.
Background: With the rapid expansion of transcatheter aortic valve replacement (TAVR), TAVR valve explantation is also increasing. Nevertheless, previous reports on Lotus Edge valve explantation are limited to only two reports, none of which include intraoperative videos. Therefore, we report the case of an older adult who underwent a 2-year-old Lotus Edge valve explantation, after developing prosthetic valve endocarditis (PVE) and aortic annular abscess, with a strong indication for a TAVR explantation and surgical aortic valve replacement (AVR).
View Article and Find Full Text PDFAn Echocardiographic Study of a Rare Cause of Mitral Regurgitation: Hypoplastic Posterior Mitral Valve Leaflet.
Anatol J Cardiol
December 2024
Department of Cardiology, Başakşehir Çam and Sakura City Hospital, İstanbul, Türkiye.
Background: The precise etiology of hypoplasia of the posterior mitral valve leaflet (PMVL) remains incompletely elucidated; however, it has been hypothesized to stem from genetic mutations occurring during fetal development. Herein, we present the anatomical characteristics of the mitral valve and associated cardiac pathologies in patients with hypoplastic PMVL.
Methods: This single-center retrospective study involved patients who presented between 2015 and 2021 at a tertiary healthcare facility.
Feasibility of Atrial Substrate Mapping During Atrial Pacing and Its Impact on the Omnipolar Voltage and the Peak-Frequency of Electrograms.
J Cardiovasc Electrophysiol
December 2024
Department of Cardiovascular Medicine, Tokyo Medical and Dental University, Tokyo, Japan.
Introduction: Atrial pacing maps are often used as substitutes for sinus rhythm (SR) maps to expedite mapping procedures. However, the impact of this method on electrophysiological parameters has not been systematically examined. This study aimed to elucidate the advantages and limitations of atrial pacing maps.
View Article and Find Full Text PDFPeriannular extension of infective endocarditis with atrioventricular block successfully treated with antibiotic therapy after transcatheter aortic valve implantation: a case report.
Eur Heart J Case Rep
December 2024
Division of Cardiovascular Medicine, Department of Medicine, Jichi Medical University School of Medicine, 3311-1 Yakushiji, Shimotsuke 329-0498, Japan.
Background: Although transcatheter aortic valve implantation (TAVI) is performed for very elderly patients in whom surgical aortic valve replacement (SAVR) poses unacceptably high operative risk, some of these patients are ultimately forced to undergo open surgery when TAVI is complicated by infective endocarditis (IE). To our knowledge, there have been no reports of cases with periannular extension of IE and atrioventricular block successfully treated by antibiotics without valve replacement.
Case Summary: An 80-year-old Japanese man who had undergone TAVI developed IE with loss of consciousness on Day 39 after the procedure.
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