Pilot study on the use of infrared thermal imaging to predict infrainguinal bypass outcome in the immediate post-operative period
| Autor: | Michael L. Wall, J Al Shakarchi, N Inston, D Dabare, Jeremy E. Newman, Andrew Garnham, Simon Hobbs |
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| Rok vydání: | 2019 |
| Předmět: |
Male
medicine.medical_specialty Time Factors Infrared Rays Perfusion Imaging Infrainguinal bypass Pilot Projects 030204 cardiovascular system & hematology Peripheral Arterial Disease 03 medical and health sciences 0302 clinical medicine Predictive Value of Tests medicine Humans Radiology Nuclear Medicine and imaging Prospective Studies 030212 general & internal medicine Post operative Vascular Patency Aged Aged 80 and over Angiosome business.industry Critical limb ischaemia Reproducibility of Results General Medicine Middle Aged Treatment Outcome Lower Extremity Regional Blood Flow Infrared thermal imaging Female Vascular Grafting Surgery Radiology Skin Temperature Cardiology and Cardiovascular Medicine business |
| Zdroj: | Vascular. 27:663-667 |
| ISSN: | 1708-539X 1708-5381 |
| DOI: | 10.1177/1708538119847391 |
| Popis: | Objectives Early bedside post-operative monitoring of infrainguinal bypass surgery is currently based on subjective clinical findings and handheld Doppler signals. Infrared thermal imaging is an objective and reproducible technique that has been proven to be a reliable and accurate method to measure skin temperature. The aim of this prospective study was to assess infrared thermal imaging as a predicting tool of bypass graft outcome in the immediate post-operative period and assess the angiosome concept. Methods This was a prospective cohort study of 25 patients undergoing infrainguinal bypass. Demographic and clinical data were prospectively collected and included gender, age, co-morbidities, pre- and post-operative ankle brachial pressure indices, surgery undertaken and patency of run-off vessels. Infrared thermal imaging was undertaken pre- and post-operatively to assess thermal changes to the feet following revascularisation. Results We found that an increase in temperature from pre- to post-operative was significantly associated with bypass patency. An increase in temperature was found to have a positive predictive value of 75%, a negative predictive value of 100%, a sensitivity of 100% and specificity of 89% for predicting graft patency. Conclusions Infrared thermal imaging can be used to measure temperature related changes of the microcirculation post-operatively and predict bypass outcomes in the immediate post-operative period. |
| Databáze: | OpenAIRE |
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