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논문 기본 정보

자료유형
학술저널
저자정보
Saori Nishimura (Division of Cardiovascular Rehabilitation, Okayama Heart Clinic) Ryou Tanaka (Division of Cardiovascular Rehabilitation, Okayama Heart Clinic) Shigeshi Kamikawa (Division of Cardiovascular Medicine & Intervention) Isao Waki (Division of Cardiovascular Rehabilitation, Okayama Heart Clinic) Daiki Yamashita (Division of Cardiovascular Rehabilitation, Okayama Heart Clinic) Natsumi Tabita (Division of Cardiovascular Rehabilitation, Okayama Heart Clinic) Shunichi Higashiya (Heart Rhythm Center, Okayama Heart Clinic) Hirosuke Yamaji (Heart Rhythm Center, Okayama Heart Clinic) Takashi Murakami (Heart Rhythm Center, Okayama Heart Clinic) Shozo Kusachi (Heart Rhythm Center, Okayama Heart Clinic)
저널정보
한국운동재활학회 Journal of exercise rehabilitation Journal of Exercise Rehabilitation Vol.20 No.2
발행연도
2024.4
수록면
83 - 90 (8page)
DOI
10.12965/jer.2448056.028

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초록· 키워드

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The determination of precise exercise intensity is essential for effective exercise rehabilitation. The Borg rating of perceived exertion category ratio (CR) scale is utilized to prescribe an appropriate level of exertion intensity. A Borg CR of approximately 13 coincides with the ventilatory aerobic threshold (VAT). Patients with atrial fibrillation (AF) exhibit various symptoms. We hypothesized that the workload at Borg CR13 (Borg CR13-Watt) differs from the workload at the VAT level (VAT-Watt) in AF patients with restored sinus rhythm (SR) following ablation. Accordingly, the relationship between Borg CR13-Watt and VAT-Watt was studied in patients with restored SR. Cardiopulmonary exercise testing (CPET) was performed at 101± 88 days after ablation in 150 patients using a bicycle ergometer. No adverse events were observed during CPET. Borg CR13-Watt was significantly higher than VAT-Watt (67.2± 27.8 Watt vs. 54.7± 17.6 Watt, P< 0.0001). Borg CR13-Watt showed significant linear regression with VAT-Watt (regression coefficient, 0.49, P< 0.01; correlation coefficient, 0.80, P< 0.01). Higher Borg CR13-Watt was associated with greater differences between Borg CR13-Watt and VAT-Watt (ΔWatt). The Bland–Altman plot showed nonconcordance between the two. Male sex, use of antiarrhythmic drugs, and smoking had contributed to the increased ΔWatt. Duration from ablation to time of CPET did not correlate with ΔWatt. Therefore, Borg CR13-Watt did not coincide with VAT-Watt in patients with restored SR. Higher Borg CR13-Watt was associated with greater ΔWatt. Prescribing exertion intensity as determined solely by perceived exertion is inadequate. CPET is required to determine the precise exercise intensity in AF patients with restored SR after ablation.

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