在心脏再同步治疗中生理节奏率的可行性
Caio V Spaggiari1, Sergio F de Siqueira1, Camila Parente de Oliveira1
1Department of Artificial Cardiac Pacemaker Stimulation and Cardiac Rehabilitation, Instituto do Coracao (InCor), Hospital das Clinicas HCFMUSP, Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil.
ESC heart failure
|June 12, 2023
概括
生理节奏率 (PPR) 改善了接受心脏再同步治疗 (CRT) 的心力衰竭患者的功能能力. 这项研究发现,在六分钟的步行测试中,PPR可行且有效地增加了步行距离.
科学领域:
- 心脏病学 心脏病学
- 医疗器械 医疗器械
- 心脏衰竭管理的管理
背景情况:
- 心脏再同步疗法 (CRT) 提高了心力衰竭 (HF) 患者的功能能力.
- 在CRT治疗后观察到持续的心率减弱 (HR) 反应.
- 在CRT患者中优化HR反应对于改善结果至关重要.
研究的目的:
- 评估在CRT患者中实施生理节奏率 (PPR) 的可行性.
- 评估PPR在运动期间对功能能力的影响.
主要方法:
- 一组30名症状轻微的CRT患者接受了六分钟步行测试 (6MWT).
- 测量包括HR,血压和步行距离,比较标准CRT设置与包含PPR的CRT (10%HR增加).
- 为了进行比较,包括一个没有PPR的匹配对照组 (CRT CG).
主要成果:
- 与基线相比,CRT与PPR的步行距离显著增加了40.5米 (9.2%) (P < 0.0001).
- 在最大步行距离 (479.3米) 中,CRT PPR表现出比CRT CG (420.3米) (P = 0.001) 更好的改善.
- 与基线试验相比,CRT PPR也增加了CRT CG的步行距离变异性 (P = 0.007).
结论:
- 生理节奏率 (PPR) 是轻度症状的CRT患者的可行策略.
- 在这种患者群体中,PPR显示出改善功能能力的潜力.
- 建议通过受控随机试验进行进一步验证,以确认PPR的疗效.
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