How much polysomnography is enough?
Sleep studies combined with the analysis of autonomic functions are, in several cases, necessary in order to make an accurate diagnosis. Polysomnograms require minimal technical equipment, the absence of which may cause the data obtained to be unreliable.
Kurtz
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Service d'Explorations Fonctionnelles du Systéme Nerveux, University Hospital, Strasbourg, France.
D006801:Humans; D008173:Lung Diseases, Obstructive / Q000175:diagnosis; D008991:Monitoring, Physiologic / Q000295:instrumentation*; D012891:Sleep Apnea Syndromes / Q000175:diagnosis*; D012894:Sleep Stages / Q000502:physiology