轻度肺高血压患者的表型
Fabio Dardi1, Riccardo Bertozzi2, Alberto Ballerini2
1Cardiology Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy fabio.dardi@aosp.bo.it.
Open heart
|October 10, 2025
概括
新的肺高血压 (PH) 标准显示,轻度病例通常与并发症有关,而不是早期肺动脉高血压 (PAH). 脑卒中体积指数 (SVI) 是PH患者的关键生存预测指标.
科学领域:
- 心脏病学 心脏病学
- 肺部病理学 肺部病理学
- 临床医学 临床医学
背景情况:
- 肺高血压 (PH) 修订的血液动力学标准确定了轻度PH的新患者亚组 (平均肺动脉压[mPAP]>20毫米升,肺血管阻力[PVR]>2木单位[WU]).
- 描述这些轻度PH患者的临床形状和预后对于适当的管理至关重要.
研究的目的:
- 根据修订的血液动力学标准,对轻度肺高血压 (PH) 患者的临床形状和预后进行表征.
- 区分未分类的PH和轻度的毛囊前PH,并将其结果与已确定的肺动脉高血压 (PAH) 标准进行比较.
主要方法:
- 对从未接受过治疗的患者进行右心导管治疗的回顾性分析.
- 通过PVR对患有mPAP21-24mmHg和肺动脉压 (PAWP) ≤15mmHg的患者进行分层,分为未分类PH (PVR≤2 WU) 和轻度前毛细管PH (PVR>2 WU).
- 轻度毛囊前PH患者与对照患者和符合先前PAH标准 (mPAP≥25 mm Hg,PAWP≤15 mm Hg,PVR>3 WU) 的患者的比较.
主要成果:
- 在259名mPAP21-24毫米平和PAWP≤15毫米平的患者中,76%患有潜在的左心脏或肺部疾病.
- 未分类的PH主要与高中风体积指数 (SVI) 或边界PAWP相关.
- SVI成为轻度毛囊前PH生存的唯一独立血液动力学预测因子,其生存率与肺动脉高血压 (PAH) 患者的生存率相似.
结论:
- 未分类的PH通常是由于肺溢出或从边界PAWP向后传播.
- 轻微的毛囊前PH经常与并发症有关,并不一定代表PAH的早期阶段.
- 脑卒中体积指数 (SVI) 是一个关键的预后标志物,仔细的临床表型化对于识别可能受益于向治疗的患者至关重要.
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