Summary
The treadmill walking test, although it remains the reference method for evaluating patients with peripheral arterial occlusive disease, does not measure the functional discomfort experienced by patients under normal physiological walking conditions. A novel device (Peripheral Arterial Disease Holter Control; PADHOC®) that has been developed makes it possible to measure the various components of a patient’s gait in an outpatient setting (walking speed, walking distance to onset of pain, maximum walking distance). The measuring principle is based on analysis of the time taken for an ultrasound wave to travel between two sensors fixed to the inside of each of the patient’s ankles. The device has been validated in a multicentre trial [the Double Epreuve de Marche PHYsiologique (DEMPHY) study]. All patients performed both a Strandness and 2 physiological walking tests on the same day. 206 patients were included. The study demonstrated that PADHOC® was a more appropriate tool than the Strandness test for evaluating incapacity caused by arterial disease and in quantifying the severity of the lesions observed. It was also significantly more acceptable to patients (p < 0.001).
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Boissier, C., Benichou, A.C., Gamand, S. et al. A New Device for the Diagnosis and Investigation of Patients with Peripheral Arterial Occlusive Disease. Dis-Manage-Health-Outcomes 2 (Suppl 1), 57–64 (1997). https://doi.org/10.2165/00115677-199700021-00012
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DOI: https://doi.org/10.2165/00115677-199700021-00012