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Case of a Change in the Polysomnograpy Results after Using Continuous Positive Airway Pressure in a Patient with Obstructive Sleep Apnea
Korean J Clin Lab Sci 2019;51:119-123  
Published on March 31, 2019
Copyright © 2019 Korean Society for Clinical Laboratory Science.

Dae Jin Kim1, Sue Jean Mun2, Jeong Su Choi3, Min Woo Lee4, Jae Wook Cho1

1Department of Neurology, Pusan National University Yangsan Hospital, Yangsan, Korea 2Department of Otorhinolaryngology-Head & Neck Surgery, Pusan National University Yangsan Hospital, Yangsan, Korea 3Department of Integrated Biomedical and Life Sciences, Graduate School, Korea University, Seoul, Korea 4Research Institute of Health Sciences, Korea University, Seoul, Korea
Correspondence to: Jae Wook Cho
Department of Neurology, Pusan National University Yangsan Hospital, 20 Geumo-ro, Mulgeum-eup, Yangsan 50612, Korea, Tel: 82-55-360-2122, Fax: 82-55-360-2152, E-mail: sleep.cho@gmail.com, ORCID: https://orcid.org/0000-0002-2742-9136
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
Obstructive sleep apnea (OSA) is a sleep disorder with no breathing symptoms due to repetitive upper airway resistance. OSA is a disease that can have significant effects on the cerebral cardiovascular system. Active treatment is needed to prevent these complications. The use of continuous positive airway pressure (CPAP), the standard therapy of OSA, has comparative therapeutic effects. On the other hand, there is no comparison report of the polysomnography (PSG) results before and after CPAP therapy without using a mask. This paper reports a patient who was diagnosed as OSA and used CPAP every night for more than 2 years. The patient showed a decrease in the apnea-hypopnea index from 64.7/h to 12.9/h. In addition, other sleep-related indicators improved significantly. The daily use of CPAP as a treatment for OSA for more than 2 years may improve the PSG results. Constant follow up of PSG will be needed to adjust the appropriate CPAP pressure to patients because there might be a change in the Apnea-Hypopnea Index and other sleep-related indicators for constant CPAP users for at least 2 years.
Keywords : Apnea-hypopnea index, Continuous positive airway pressure, Obstructive sleep apnea


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