紧急心脏起器植入非老年人与CHB:单相对双室节奏节奏
Karishma Mahtani1, Edd Maclean2, Maurizio Parker3
1Medical Student.
The British journal of cardiology
|November 18, 2024
概括
对于出现完全心脏阻塞 (CHB) 的非老年人来说,与单室 (VVI) 节奏相比,双室 (DDD) 节奏显著降低了死亡风险. 这项研究强调DDD节奏是改善这一老年人群结果的优越选择.
科学领域:
- 心脏病学 心脏病学
- 老年病的医生 老年病的医生
- 生物医学工程 生物医学工程
背景情况:
- 双室 (DDD) 节奏在完全心脏阻塞 (CHB) 中比单室 (VVI) 节奏提供了生理上的好处,但其对死亡率的影响仍在争论中.
- 非老年人群是心脏起器植入的越来越多的人口,但关于设备选择和结果的数据很少,特别是在紧急情况下.
- 在非老年人中出现的CHB在设备管理和预后评估方面提出了独特的挑战.
研究的目的:
- 为了比较非老年患者的临床特征和结果,新出现的CHB接受了VVI或DDD起器.
- 评估心脏起器类型 (VVI与DDD) 与全因死亡率或死于充血性心力衰竭 (CCF) 在该人群中的相关性.
- 为了确定影响器件选择和患者预后的因素,在新出现的CHB的非老年人中.
主要方法:
- 一项回顾性研究分析了168名连续的非老年患者,他们在30.6个月的中位数随访期间出现了CHB.
- 根据心脏起器类型,患者被分为两组:VVI (n=22) 和DDD (n=146).
- 考克斯的比例风险分析被用来评估全因死亡率和CCF相关死亡率,调整了诸如年龄,脆弱性 (罗克伍德尺度) 和痴呆症等共变量.
主要成果:
- 与DDD接受者相比,VVI接受者显著脆弱,患痴呆的可能性更高,尽管年龄和左心室喷射率相似.
- 植入后,与DDD患者相比,VVI患者的呼吸率较高,平均心率较低,每日活动水平降低.
- 经过调整后的分析显示,VVI节奏与全因死亡风险增加2.1倍 (HR 2.1, p=0.03) 和CCF死亡风险增加7.1倍 (HR 7.1, p<0.001) 相关.
结论:
- 在经历新出现的CHB的非老年人中,双室节奏与改善的症状状况和更好的预后结果相关,而不是单室节奏.
- 研究结果表明,即使在紧急情况下,在出现CHB的非老年患者中,应强烈考虑DDD节奏,以减轻死亡风险.
- 虚弱和痴呆症是这一群体的重要因素,应在心脏起器的选择和管理过程中考虑.
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