Journal of Postgraduate Medicine
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Year : 2015  |  Volume : 61  |  Issue : 4  |  Page : 223-229  

Utility of portable monitoring in the diagnosis of obstructive sleep apnea

U Krishnaswamy1, A Aneja1, R Mohan Kumar2, T Prasanna Kumar1 
1 Department of Respiratory Medicine, MS Ramaiah Medical College, Bangalore, Karnataka, India
2 Megachips India, Bangalore, Karnataka, India

Correspondence Address:
A Aneja
Department of Respiratory Medicine, MS Ramaiah Medical College, Bangalore, Karnataka
India

Obstructive sleep apnea (OSA) is a common but underdiagnosed sleep disorder, which is associated with systemic consequences such as hypertension, stroke, metabolic syndrome, and ischemic heart disease. Nocturnal laboratory-based polysomnography (PSG) is the gold standard test for diagnosis of OSA. PSG consists of a simultaneous recording of multiple physiologic parameters related to sleep and wakefulness including electroencephalography (EEG), electrooculography (EOG), surface electromyography (EMG), airflow measurement using thermistor and nasal pressure transducer, pulse oximetry and respiratory effort (thoracic and abdominal). Multiple alternative and simpler methods that record respiratory parameters alone for diagnosing OSA have been developed in the past two decades. These devices are called portable monitors (PMs) and enable performing sleep studies at a lower cost with shorter waiting times. It has been observed and reported that comprehensive sleep evaluation coupled with the use of PMs can fulfill the unmet need for diagnostic testing in various out-of-hospital settings in patients with suspected OSA. This article reviews the available medical literature on PMs in order to justify the utility of PMs in the diagnosis of OSA, especially in resource-poor, high-disease burden settings. The published practice parameters for the use of these devices have also been reviewed with respect to their relevance in the Indian setting.


How to cite this article:
Krishnaswamy U, Aneja A, Kumar R M, Kumar T P. Utility of portable monitoring in the diagnosis of obstructive sleep apnea.J Postgrad Med 2015;61:223-229


How to cite this URL:
Krishnaswamy U, Aneja A, Kumar R M, Kumar T P. Utility of portable monitoring in the diagnosis of obstructive sleep apnea. J Postgrad Med [serial online] 2015 [cited 2019 Dec 6 ];61:223-229
Available from: http://www.jpgmonline.com/article.asp?issn=0022-3859;year=2015;volume=61;issue=4;spage=223;epage=229;aulast=Krishnaswamy;type=0


 
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