在静脉堵塞期间使用近红外成像量化表面静脉形态
Henrique Silva1,2,3, Carlota Rezendes2
1Research Institute for Medicines (iMed.ULisboa), Faculdade de Farmácia, Universidade de Lisboa, Lisbon, Portugal.
Phlebology
|June 11, 2025
概括
接近红外线的静脉探测器可以评估表面静脉形态和合规性. 这些设备提供实时,非侵入性血管评估,帮助诊断和监测.
科学领域:
- 血管生物学 血管生物学
- 医疗成像医学成像
- 生物医学工程 生物医学工程
背景情况:
- 静脉系统在临床实践中至关重要,但由于成像的局限性,往往被低估.
- 近红外反射照明 (NIRI) 设备,或静脉寻找器,是新兴的工具,具有超越静脉穿刺辅助的潜力.
研究的目的:
- 评估NIRI设备用于量化表面手脉形态的可行性.
- 使用NIRI技术评估静脉对血液动力应激的反应.
主要方法:
- 在使用NIRI的14名健康成年人中持续记录背部手静脉.
- 包括基线,超缩四肢封闭 (200 mmHg) 和恢复阶段.
- 分析形态参数,如静脉宽度和分支几何.
主要成果:
- 静脉堵塞期间静脉宽度显著增加,表明静脉聚合 (p < .001).
- 分支的几何结构保持稳定,表明结构的弹性.
- 低交点指数偏差,与穆雷定律一致.
结论:
- NIRI设备提供非侵入性,静脉形态和合规性的实时评估.
- 该技术对动态血管变化表现出敏感性,支持更广泛的诊断应用.
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