S
Shiro Nakahara
Researcher at Dokkyo Medical University
Publications - 103
Citations - 1435
Shiro Nakahara is an academic researcher from Dokkyo Medical University. The author has contributed to research in topics: Catheter ablation & Atrial fibrillation. The author has an hindex of 17, co-authored 83 publications receiving 985 citations.
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Journal ArticleDOI
Freedom from recurrent ventricular tachycardia after catheter ablation is associated with improved survival in patients with structural heart disease: An International VT Ablation Center Collaborative Group study
Roderick Tung,Marmar Vaseghi,David S. Frankel,Pasquale Vergara,Luigi Di Biase,Koichi Nagashima,Ricky Yu,Sitaram Vangala,Chi-Hong Tseng,Eue Keun Choi,Shaan Khurshid,Mehul Patel,Nilesh Mathuria,Shiro Nakahara,Wendy S. Tzou,William H. Sauer,Kairav Vakil,Usha B. Tedrow,J. David Burkhardt,Venkatakrishna N. Tholakanahalli,Anastasios Saliaris,Timm Dickfeld,J. Peter Weiss,T. Jared Bunch,Madhu Reddy,Arun Kanmanthareddy,David J. Callans,Dhanunjaya Lakkireddy,Andrea Natale,Francis E. Marchlinski,William G. Stevenson,Paolo Della Bella,Kalyanam Shivkumar +32 more
TL;DR: Catheter ablation of VT in patients with structural heart disease results in 70% freedom from VT recurrence, with an overall transplant and/or mortality rate of 15% at 1 year, which is associated with improved transplant-free survival, independent of heart failure severity.
Journal ArticleDOI
Early Mortality After Catheter Ablation of Ventricular Tachycardia in Patients With Structural Heart Disease.
Pasquale Santangeli,David S. Frankel,Roderick Tung,Marmar Vaseghi,William H. Sauer,Wendy S. Tzou,Nilesh Mathuria,Shiro Nakahara,Timm M. Dickfeldt,Dhanunjaya Lakkireddy,T. Jared Bunch,Luigi Di Biase,Andrea Natale,Venkat Tholakanahalli,Usha B. Tedrow,Saurabh Kumar,William G. Stevenson,Paolo Della Bella,Kalyanam Shivkumar,Francis E. Marchlinski,David J. Callans +20 more
TL;DR: Clinical and procedural variables indicating poorer clinical status (low LVEF, chronic kidney disease, VT storm, and unmappable VTs) and post-procedural VT recurrence may predict EM.
Journal ArticleDOI
Successful ventricular tachycardia ablation in patients with electrical storm reduces recurrences and improves survival
Pasquale Vergara,Roderick Tung,Marmar Vaseghi,Chiara Brombin,David S. Frankel,Luigi Di Biase,Koichi Nagashima,Usha B. Tedrow,Wendy S. Tzou,William H. Sauer,Nilesh Mathuria,Shiro Nakahara,Kairav Vakil,Venkat Tholakanahalli,T. Jared Bunch,J. Peter Weiss,Timm Dickfeld,Rama Vunnam,Dhanunjaya Lakireddy,J. David Burkhardt,Anna Correra,Pasquale Santangeli,David J. Callans,Andrea Natale,Francis E. Marchlinski,William G. Stevenson,Kalyanam Shivkumar,Paolo Della Bella +27 more
TL;DR: In patients with ES, acute procedural success is associated with a significant reduction in VT recurrence and improved 1-year survival, and in multivariate analysis, ES remained an independent predictor of in-hospital mortality,VT recurrence, and 1- year mortality.
Journal ArticleDOI
Outcomes of Catheter Ablation of Ventricular Tachycardia Based on Etiology in Nonischemic Heart Disease: An International Ventricular Tachycardia Ablation Center Collaborative Study.
Marmar Vaseghi,Tiffany Y. Hu,Roderick Tung,Pasquale Vergara,David S. Frankel,Luigi Di Biase,Usha B. Tedrow,Jeffrey Gornbein,Ricky Yu,Nilesh Mathuria,Shiro Nakahara,Wendy S. Tzou,William H. Sauer,J. David Burkhardt,Venkatakrishna N. Tholakanahalli,Timm Dickfeld,J. Peter Weiss,T. Jared Bunch,Madhu Reddy,David J. Callans,Dhanunjaya Lakkireddy,Andrea Natale,Francis E. Marchlinski,William G. Stevenson,Paolo Della Bella,Kalyanam Shivkumar +25 more
TL;DR: Etiology of NICM is a significant predictor of outcomes, with ARVC, myocarditis, and DICM having similar but superior outcomes to hypertrophic cardiomyopathy, valvular cardiopathy, and sarcoidosis, after adjusting for potential covariates.
Journal ArticleDOI
Predictive Score for Identifying Survival and Recurrence Risk Profiles in Patients Undergoing Ventricular Tachycardia Ablation
Pasquale Vergara,Wendy S. Tzou,Roderick Tung,Chiara Brombin,Alessandro Nonis,Marmar Vaseghi,David S. Frankel,Luigi Di Biase,Usha B. Tedrow,Nilesh Mathuria,Shiro Nakahara,Venkat Tholakanahalli,T. Jared Bunch,J. Peter Weiss,Timm Dickfeld,Dhanunjaya Lakireddy,J. David Burkhardt,Pasquale Santangeli,David J. Callans,Andrea Natale,Francis E. Marchlinski,William G. Stevenson,Kalyanam Shivkumar,William H. Sauer,Paolo Della Bella +24 more
TL;DR: This study is the first to derive and validate a decisional model that provides estimates of VT recurrence and mortality with an effective classification tree and could help optimize periprocedural and postprocedural care.