An Overview of Current Cardiac Resynchronization Therapy.
Cardiac resynchronization therapy (CRT) is currently an established device therapy for heart failure (HF) patients. Existing knowledge of implantation techniques, advances in device-based technologies and clinical trial experience have all significantly impacted this evolving therapy in recent years. This review article will address the updated CRT guidelines, and potentially new indications for CRT such as patients with mild HF symptoms and prolonged QRS duration; it also highlights new approaches for placement of the left ventricular (LV) lead, multi-site LV pacing, and the role of automatic device optimization in CRT.


BACKGROUND
Cardiac resynchronization therapy; Guideline; Heart failure; Optimization.
Division of Cardiology, Department of Medicine, Fong Yuan Hospital of Ministry of Health and Welfare; ; Institute of Clinical Medicine, and Cardiovascular Research Institute, National Yang-Ming University, Taipei;
Chien-Ming
CM
Cheng
Cardiovascular Center, Taichung Veterans General Hospital, Taichung; ; Institute of Clinical Medicine, and Cardiovascular Research Institute, National Yang-Ming University, Taipei; ; Cardiovascular Research Group, Institute of Medicine, Division of Cardiology, Chung-Shan Medical University Hospital, Taichung;
Jin-Long
JL
Huang
Cardiovascular Center, Taichung Veterans General Hospital, Taichung; ; Institute of Clinical Medicine, and Cardiovascular Research Institute, National Yang-Ming University, Taipei;
Tsu-Juey
TJ
Wu
Cardiovascular Center, Taichung Veterans General Hospital, Taichung; ; Institute of Clinical Medicine, and Cardiovascular Research Institute, National Yang-Ming University, Taipei;
Yu-Cheng
YC
Hsieh
Cardiovascular Center, Taichung Veterans General Hospital, Taichung; ; Cardiovascular Research Group, Institute of Medicine, Division of Cardiology, Chung-Shan Medical University Hospital, Taichung;
Kuo-Yang
KY
Wang
Institute of Clinical Medicine, and Cardiovascular Research Institute, National Yang-Ming University, Taipei; ; Division of Cardiology, Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan.
Shih-Ann
SA
Chen