Laboratory of Experimental Surgery and Surgical Research, School of Medicine, Democritus University of Thrace, University Hospital of Alexandroupolis, 68100 Alexandroupolis, Greece.
Lab Anim. 2013 Apr;47(2):94-9. doi: 10.1177/0023677213475438.
This study was designed to evaluate the oscillometric technique for intermittent non-invasive measurement of arterial pressure (AP) in the anaesthetized pig. In six pigs under sevoflurane anaesthesia, intermittent (every 2 minutes) oscillometric measurements of AP made at a forelimb (FL), a hindlimb (HL) and the tail base were compared with simultaneous direct AP measurements made at the aortic arch (AA) over a wide pressure range (30-140 mmHg of mean AP). All oscillometric measurements strongly correlated (Pearson correlation coefficient >0.837, P < 0.001) with direct AP measurements, with those made at the FL exhibiting the highest correlation. On the basis of consistency of difference between oscillometric and AA pressure readings at graded pressure levels, measurements made at the tail base provided reliable prediction of systolic AP, at the FL of diastolic AP and at both the tail base and the FL of mean AP. In conclusion, oscillometric measurements at the FL and the tail base offer reliable prediction of AP in the anaesthetized pig.
本研究旨在评估在麻醉猪中使用示波法间歇性无创测量动脉压（AP）的技术。在六头接受七氟醚麻醉的猪中，比较了在四肢（FL）、后肢（HL）和尾部基底间歇性（每 2 分钟一次）的示波法 AP 测量值与同时在主动脉弓（AA）进行的直接 AP 测量值，测量范围较宽（平均 AP 为 30-140mmHg）。所有的示波法测量值与直接 AP 测量值均有较强的相关性（Pearson 相关系数>0.837，P<0.001），其中 FL 处的相关性最高。基于在不同压力水平上示波法和 AA 压力读数之间差值的一致性，尾部基底处的测量值可可靠预测收缩压，FL 处可预测舒张压，而尾部基底和 FL 处均可预测平均 AP。总之，FL 和尾部基底的示波法测量值可可靠预测麻醉猪的 AP。
