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诱导后低血压和术后死亡率之间的关联:单中心回顾性队列研究
Toshiyuki Nakanishi1,2, Tatsuya Tsuji3, Yoshiki Sento3
1Department of Anesthesiology and Intensive Care Medicine, Nagoya City University Graduate School of Medical Sciences, 1 Kawasumi, Mizuho-cho, Mizuho-ku, Nagoya, Japan. nakanishi.anest@gmail.com.
Canadian journal of anaesthesia = Journal canadien d'anesthesie
|November 22, 2023
概括
术内低血压 (IOH) 显著增加了30天和90天术后死亡的风险. 然而,在这项研究中,诱导后低血压 (PIH) 与死亡率增加无关.
科学领域:
- 麻醉学 麻醉学
- 关键护理医学 关键护理医学
- 外科手术的结果
背景情况:
- 在麻醉期间低血压是常见的.
- 区分诱导后低血压 (PIH) 和手术内低血压 (IOH) 对于了解患者的结果至关重要.
- PIH和IOH与术后死亡率的关联需要进一步调查.
研究的目的:
- 确定诱导后低血压 (PIH) 和手术内低血压 (IOH) 是否与30天和90天的术后死亡率有关.
- 分析低血压,定义为平均血压<65毫米升,对非心脏手术后患者存活时间的影响.
主要方法:
- 在全身麻醉下进行非心脏手术的成年患者 (ASA I-IV) 的回顾性队列研究 (2015-2021年).
- 计算四个低血压指数,以时间加权的低血压为主要暴露.
- 多变量后勤回归,倾向得分匹配和RUSBoost用于敏感性分析,以评估低血压和死亡率之间的关联.
主要成果:
- 诱导后低血压 (PIH) 与30天 (aOR 1.03) 或90天 (aOR 1.01) 的术后死亡率无关.
- 术内低血压 (IOH) 与30天 (aOR 1.19) 和90天 (aOR 1.12) 术后死亡率的增加显著相关.
- 敏感性分析证实了IOH与手术后死亡率的关联,但不是PIH.
结论:
- 术内低血压 (IOH) 是术后死亡的一个重要风险因素.
- 诱导后低血压 (PIH) 似乎与术后死亡率的增加无关.
- 临床重点应该是管理和减轻手术内低血压,以改善患者的治疗结果.
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