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Application of transcutaneous oxymetry in vascular surgery
K Szala1, W Kostewicz, W Noszczyk
1First Department of Surgery, Second Medical Faculty, Academy of Medicine, Warsaw, Poland.
Summary
Transcutaneous oxygen pressure (tcpo2) measurements effectively evaluate vascular surgery outcomes for chronic ischemic limbs. A tcpo2 value of 40 mmHg indicates successful healing, aiding in amputation level decisions.
Area of Science:
- Vascular Surgery
- Medical Diagnostics
- Oxygen Physiology
Background:
- Chronic limb ischemia presents significant challenges in surgical outcome assessment and amputation level determination.
- Objective physiological measurements are crucial for guiding clinical decisions in complex vascular cases.
Purpose of the Study:
- To assess the utility of transcutaneous oxygen pressure (tcpo2) measurements in evaluating vascular operations for chronic ischemic limbs.
- To determine the role of tcpo2 in selecting the appropriate amputation level when necessary.
Main Methods:
- 269 patients with chronic ischemic limbs underwent transcutaneous oxygen pressure (tcpo2) measurements.
- Measurements were performed using Hellige Oxymonitor SM 361 and a Polish device with a Clark-type electrode.
- Electrodes were placed on the dorsum of the foot, upper tibia, and occasionally the lower thigh.
Main Results:
- Clinical status correlated with tcpo2 values.
- A critical tcpo2 value of 40 mmHg was identified as a threshold for successful wound healing.
- Tcpo2 measurements provided valuable insights into patient outcomes post-revascularization.
Conclusions:
- Transcutaneous oxygen pressure (tcpo2) measurement is a valuable tool for assessing the success of vascular reconstructive surgery.
- Tcpo2 aids in determining the optimal level for amputation in cases of chronic limb ischemia.
- This non-invasive method supports clinical decision-making in limb salvage and amputation.