KMID : 1240020190230020161
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International Neurourology Journal 2019 Volume.23 No. 2 p.161 ~ p.168
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Effect of Nocturnal Hypoxia on Nocturia in Patients With Obstructive Sleep Apnea
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Chung Jae-Hoon
Moon Hong-Sang Park Sung-Yul Kim Kyung-Rae Cho Seok-Hyun Kim Yong-Tae
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Abstract
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Purpose: To identify the association between nocturia and obstructive sleep apnea (OSA), we compared results of polysomnography (PSG) with the presence or absence of nocturia in patients with suspected OSA.
Methods: Patients underwent PSG for suspected OSA. The International Prostate Symptom Score and quality of life (IPSS/QoL) questionnaire was evaluated to assess voiding symptoms that may affect sleep quality. The results of PSG were compared between patient groups with or without nocturia.
Results: In logistic regression analysis, age (odds ratio [OR], 1.052; P=0.004), diabetes mellitus (OR, 6.675; P<0.001), mean O2 saturation (OR, 0.650; P=0.017), oxygen desaturation index (ODI) 3 (OR, 1.193; P=0.010), and ODI4 (OR, 1.136; P=0.014) affected nocturia independently among the OSA-suspected patients.
Conclusions: Hypoxia caused by OSA affects the incidence of nocturia. Less desaturated OSA patients with nocturia may require more urological evaluation and treatment for nocturia even after the correction of OSA.
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KEYWORD
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Nocturia, Apnea, Sleep, Hypoxia
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