Sleep Apnea Clinical Trial
Official title:
Prevalence of Obstructive Sleep Apnoea in Patients With Intermittent Claudication
The main aim of this study is to determine how common undiagnosed obstructive sleep apnoea is in individuals with intermittent claudication.
In patients with peripheral artery disease (PAD), exercise induced limb ischemia
(claudication) which limits walking capacity. Symptoms are due to pain at hip and/or buttock.
Couple of origins may induce this pain such as vascular, cardiac, respiratory,
musculoskeletal, neurologic, hematologic etc. The rate of associated respiratory pathology to
patients with lower extremity artery disease (LEAD) is around 15%. The intolerance to walk
could be link to an exercise hypoxia which appears with lower limb pain with or without
associated dyspnea. The exercise hypoxemia becomes a diagnostic for an intermittent vascular
claudication. Tests which are performed to diagnose an intermittent claudication are the
Ankle to Brachial Systolic pressure Index (ABI), the echo-Doppler of lower limb arteries and
the walking test on a treadmill associated to a measurement of the distal and chest
transcutaneous oxygen pressure (tcpO2).
Thus, the purpose of the present research is to determine the prevalence of obstructive sleep
apnoea in patient with PAD.
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