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KMID : 1101420200520030278
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Korean Journal of Clinical Laboratory Science
2020 Volume.52 No. 3 p.278 ~ p.283
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Case of Treatment Using Adaptive Servo-Ventilation in a Patient with Central Sleep Apnea after a Lateral Medullary Infarction
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Kim Dae-Jin
Cho Jae-Wook
Kim Hyun-Woo
Choi Jeong-Su
Mun Sue-Jean
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Abstract
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Central sleep apnea (CSA) is characterized by respiratory failure of at least 10 seconds without any effort of the chest and abdomen in the absence of upper airway resistance during sleep. In this case, the patient experiences respiratory failure that does not meet the CSA diagnostic criteria and CSA symptoms. Magnetic resonance imaging diffusion-weighted imaging (MRI DWI) scans revealed a lateral medullary infarction. Continuous positive airway pressure (CPAP) was applied as a primary treatment for CSA and respiratory failure. During the titration of CPAP, the apnea-hypopnea index (AHI) and arousal index (AI) were worse than the results before its use (AHI: 42.5/hr→82.8/hr, AI: 21.7/hr→40.8h). As a result, adaptive servo-ventilation (ASV) was chosen as the secondary treatment. Compared to the night-polysomnography results before the ASV treatment, the AHI improved (42.5/hr→8.6/hr). Therefore, ASV is a potential treatment for CSA and respiratory failure in these patients.
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KEYWORD
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Adaptive servo ventilation, Central sleep apnea, Continuous positive airway pressure
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