Exercise transcutaneous oximetry significantly modifies the diagnostic hypotheses and impacts scheduled investigations or treatments of patients with exertional limb pain - Le Mans Université Accéder directement au contenu
Article Dans Une Revue European Journal of Internal Medicine Année : 2018

Exercise transcutaneous oximetry significantly modifies the diagnostic hypotheses and impacts scheduled investigations or treatments of patients with exertional limb pain

Résumé

Introduction In lower extremity peripheral artery disease (PAD), transcutaneous oximetry at exercise (Ex-TcpO2) has been largely validated in research practice, but evidence of routine practice in various vascular laboratories is missing. We hypothesized that Ex-TcPO2 would change the diagnosis hypotheses, investigations and treatments for patients referred for exertional limb pain. Material and methods A multicenter prospective trial was conducted in nine different referral centers. Investigators performed Ex-TcpO2 and recorded investigations and treatments already scheduled for the patient. We encoded referral physician's diagnostic hypothesis. Before Ex-TcpO2, vascular physicians were asked to give their diagnosis hypotheses. A minimal decrease from rest of oxygen pressure (DROP) < minus 15 mm Hg defined the presence of exercise-induced ischemia on the area of interest. After Ex-TcPO2, we recorded post-test diagnostic hypothesis and investigations and treatments to be cancelled or performed. We compared the diagnosis hypotheses, scheduled investigations and treatments, before and after the Ex-TcpO2. Results We included 603 patients (485 males 80.4%), aged 64.7 +/- 9.8 years. The post-test diagnosis hypothesis differed in 266 patients (44.1%; p < 0.0001) and in 96 patients (15.9%) from the pre-test hypothesis of referring and vascular physician, respectively. This led to the recommendation to cancel 27 scheduled investigations or treatments of a total cost of --130,000 euros. Discussion Ex-TcPO2 in patients with exertional limb pain is applicable in various vascular institutions, and significantly modifies the diagnostic hypotheses and impacts scheduled investigations or treatments of patients with exertional limb pain.
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Dates et versions

hal-01833131 , version 1 (09-07-2018)

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Samir Henni, Guillaume Mahe, Christophe Lamotte, Remi Laurent, Alessandra Bura Riviere, et al.. Exercise transcutaneous oximetry significantly modifies the diagnostic hypotheses and impacts scheduled investigations or treatments of patients with exertional limb pain. European Journal of Internal Medicine, 2018, 52, pp.28-34. ⟨10.1016/j.ejim.2018.01.008⟩. ⟨hal-01833131⟩
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