Becker F, Gabrielle F, Raoux M H, Brenot R, David M
Service de Chirurgie cardiovasculaire et d'Angiologie, CHRU, Hôpital du Bocage, Dijon.
Ann Cardiol Angeiol (Paris). 1989 Oct;38(8):465-72.
The authors specify the methods used for measuring teh transcutaneous oxygen pressure (TcPO2), then present the four main advantages of the TcPO2. 1. Although the decision to amputate remains controlled by the clinical evaluation, TcPO2 is useful when one has to choose to preserve or not the heel support or the knee joint, when hesitating on the indication of amputation or the nature of the pain of a stump. Two measurements are crucial: a value of TcPO2 in a decubitus position greater than 30 mmHg at the amputation level seems to guarantee a primary healing, while under 10 mmHg, failure is the rule. 2. Correlations between the Fontaine classification and TcPO2 measured on the fore-foot in decubitus position, show that, at stages I and II, the TcPO2 is not significantly decreased in comparison with the control group (54 +/- 12 mmHg at stage I, 49 +/- 11 mmHg at stage II) and that at stages III and IV, TcPO2 is significantly much lower than at stages I and II and the value of 10 mmHg seems a remarkable threshold defining severe ischemias (12 +/- 15 mmHg at stage III, 3 +/- 5 mmHg at stage IV). 3. A prospective study of 66 arterial disease of the lower extremities cases, at stages II and IV, validated by a TcPO2 measured at the fore-foot in decubitus position less than 10 mmHg, and which could all benefit from reconstructive arterial surgery, is presented.(ABSTRACT TRUNCATED AT 250 WORDS)
作者详细说明了用于测量经皮氧分压（TcPO2）的方法，然后阐述了TcPO2的四个主要优点。1. 虽然截肢的决定仍由临床评估控制，但当必须选择是否保留足跟支撑或膝关节时，当对截肢指征或残端疼痛性质犹豫不决时，TcPO2很有用。有两个测量结果至关重要：在截肢水平卧位时TcPO2值大于30 mmHg似乎能保证一期愈合，而低于10 mmHg则通常会失败。2. 弗罗因德分类与卧位时在前足测量的TcPO2之间的相关性表明，在I期和II期，与对照组相比，TcPO2没有显著降低（I期为54±12 mmHg，II期为49±11 mmHg），而在III期和IV期，TcPO2明显低于I期和II期，10 mmHg的值似乎是定义严重缺血的一个显著阈值（III期为12±15 mmHg，IV期为3±5 mmHg）。3. 一项对66例下肢动脉疾病患者（II期和IV期）的前瞻性研究表明，卧位时在前足测量的TcPO2小于10 mmHg，这些患者都可能从动脉重建手术中获益。（摘要截选至250字）
