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Lower cost sleep apnoea diagnosis feasible:

This article was originally published in Clinica

Executive Summary

Simple nocturnal oximetry measurements are effective for diagnosing sleep apnoea hypopnea syndrome (SAHS) and can avoid the need for expensive and time-consuming polysomnographs, according to Spanish researchers. Reporting in the November edition of Thorax, a team from Hospital Universitario San Juan de Alicante assessed 275 patients with suspected SAHS and diagnosed the condition in 216 cases. The positive predictive value of oximetry was between 97% and 99%, depending on what cut-off points of oxygen desaturation were used. Sensitivity was 63% to 80%, specificity was 89% to 96% and negative predictive value was 38% to 48%.

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