二氧化碳 (VE/VCO2) 倾斜的呼吸器等效是否是减少肺切除术患者死亡率的关键?
Danilo La Paglia1, Claudio Ciacco2, Chiara Grispi1
1Thoracic Surgery Division, Oncology Department, S. Luigi Hospital, University of Turin, Italy.
概括
心肺运动测试 (CPET) 识别了患有肺切除术风险的患者. 对二氧化碳的通风等效 (VE/VCO2斜率) 可以进一步完善风险评估,斜率的切断值为35,表明风险过高和更高的不良事件.
科学领域:
- 肺部医学 肺部医学
- 心肺生理学 心肺生理学
- 胸部外科手术 胸部外科手术
背景情况:
- 使用氧气吸收峰值 (VO2峰值) 的心肺运动测试 (CPET) 有助于评估肺切除风险.
- 尽管有CPET,但肺切除术后的术后死亡率仍然令人担忧.
- 二氧化碳的通风等价值 (VE/VCO2斜率) 是一个有前途的CPET参数,用于风险分层.
研究的目的:
- 评估VE/VCO2斜率在识别肺切除术的高风险患者中的有用性.
- 为了将VE/VCO2斜率的预测值与术后结果的VO2峰值进行比较.
主要方法:
- 对277名肺癌肺切除术患者的回顾性分析 (2000年3月至2024年3月).
- 基于VO2峰值和VE/VCO2斜率值的术后发病率和死亡率的分析.
- 在患有和没有手术前CPET的患者之间对结果的比较.
主要成果:
- 在52%的患者中进行了手术前CPET,与没有CPET (6%和14%) 的患者相比,死亡率 (4%) 和呼吸道发病率 (15%) 较低.
- 35名有效识别的高风险患者的VE/VCO2倾斜切线.
- 与斜率<35 (13%和2%,p<.05) 的患者相比,VE/VCO2斜率>35的患者的术后呼吸道并发症 (33%) 和死亡率 (17%) 显着更高.
结论:
- VE/VCO2斜率是完善肺切除术风险评估超越VO2峰值的一个有价值的工具.
- 过度的二氧化碳保留,以高VE/VCO2倾斜率表示,意味着手术风险过高.
- 35的VE/VCO2斜率切线可能有助于减少接受肺切除术的患者的术后不良事件.
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