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使用长期儿科急性淋巴细胞白血病幸存者的运动压力测试发现可能的沉默获得的长QT综合征
Audrey Harvey1,2, Maxime Caru3, Cecilia Gonzalez Corcia2,4
1Faculty of Medicine, School of Kinesiology and Physical Activity Sciences, University of Montreal, Montreal, Quebec, Canada.
International journal of cancer
|September 8, 2024
概括
最大运动测试可以在儿童急性淋巴细胞白血病 (ALL) 幸存者中识别获得的长QT综合征 (aLQTS). 许多幸存者在运动期间会出现QT间隔延长,这凸显了对心脏监测的需要.
科学领域:
- 心脏病学 心脏病学
- 在瘤学瘤学.
- 儿科 儿科 儿科
背景情况:
- 化疗可以引起心脏毒性,包括获得的长QT综合征 (aLQTS),癌症幸存者的潜在致命状况.
- 儿童急性淋巴细胞白血病 (ALL) 幸存者有发展aLQTS的风险.
- 早期识别和管理aLQTS对于改善长期健康结果至关重要.
研究的目的:
- 通过最大限度的运动测试来识别和描述可能患有aLQTS的童年ALL幸存者.
- 为了评估在这个人群中运动期间QT间隔延长的患病率和模式.
主要方法:
- 一项涉及250名童年ALL幸存者的横截面研究.
- 进行了最大限度的运动测试 (麦克马斯特循环人体表测试).
- 在休息时,运动时和康复期间,QT间隔对心率进行了校正 (使用Bazett,Fridericia和Rautaharju公式).
主要成果:
- 198名幸存者被纳入分析.
- 57名幸存者 (28.8%) 显示QTc延长异常 (边界或长QT).
- 在这些幸存者中,有40人 (70%) 仅在运动时表现出QT异常,而不是在休息时.
结论:
- 最大运动测试是有效的检测 aLQTS 在童年 ALL 幸存者,经常揭示异常不在休息时.
- 在瘤学随访中标准化运动测试对于癌症幸存者的心脏预防和监测至关重要.
- 这种方法可以提高越来越多的癌症幸存者的生活质量.
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