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- Yukitoshi Ikeya, Toshiko Nakai, Nobuhiro Murata, Masaki Monden, Akihito Ogaku, Koichiro Hori, Ryuta Watanabe, Masaru Arai, and Yasuo Okumura.
- Division of Cardiology, Department of Medicine, Nihon University School of Medicine, Japan.
- Intern. Med. 2020 Jan 1; 59 (7): 963-966.
AbstractTo avoid the negative effects associated with pacing, pacemakers are designed to achieve a pacing cadence as close to physiological pacing as possible. In closed-loop stimulation (CLS; a type of rate-responsive functionality used in pacemakers), the changes in impedance (which correlates with the contractility of the myocardium around the lead tip electrode) are tracked, and the paced heart rate is adjusted accordingly. We herein report a case in which we implanted a pacemaker in a post-tricuspid valve replacement patient. A ventricular lead positioned in the coronary vein exhibited good CLS functionality, and the patient's dizziness and heart failure improved.
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