猪腹内高血压的病理生理影响
Robert Wise1,2,3, Reitze Rodseth2, Ester Párraga-Ros4
1Faculty Medicine and Pharmacy, Vrije Universiteit Brussel (VUB), Brussels, Belgium.
PloS one
|August 28, 2023
概括
腹腔内高血压显著影响多个器官系统,影响血压,心脏功能和输出. 机械肠道阻塞模型显示较快的新陈代谢和血液学变化,而不是肺炎.
科学领域:
- 生理学 生理学 生理学
- 病理生理学 病理生理学
- 手术重症监护手术重症监护
背景情况:
- 腹腔内高血压 (IAH) 和腹部部位综合征 (ACS) 是具有重大临床后果的危急疾病.
- 研究高腹内压 (IAP) 的病理生理影响对于理解和管理这些疾病至关重要.
研究的目的:
- 通过两种不同的动物模型,研究增加腹内压力 (IAP) 的病理生理影响.
- 量化不同IAP水平对多个器官系统的影响.
主要方法:
- 使用了49只母猪,分为对照组和实验组,这些母猪在不同IAP水平 (20,30,40 mmHg) 上受到肺或机械肠道阻塞.
- 监测器官系统功能,包括心血管,呼吸道,脏和胃肠道的参数.
主要成果:
- 在所有器官系统中观察到显著的变化 (p<0.05),包括静脉血压降低,心脏指数和中风体积指数降低,肺气道压力增加和气道遵守.
- 功能 (GFR,尿液输出) 和代谢参数 (二碳酸盐,脂酶, bilirubin) 显著受到影响.
- 虽然这两种模型都影响了器官系统,但30 mmHg (MIO30) 的机械性肠道阻塞显示出更严重的代谢和血液学变化,而30和40 mmHg (Pn30,Pn40) 的肺肠显示出更快的肌升.
结论:
- 增加的腹腔内压力显著影响多个器官系统,即使是短暂的升高也会产生显著的后果.
- 机械性肠道阻塞模型可能会导致较快的新陈代谢和血液学乱,与肺皮相比,可能表明不同的潜在的病理生理机制.
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