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Effects of Physical Diseases Including Nocturia on Sleep Disturbance in the Urban Elderly

특정지역 노인에서의 야간뇨와 신체적 질환이 수면에 미치는 영향

  • Bae, Jae-Ik (Department of Family Medicine, Dongguk University College of Medicine) ;
  • Kim, Ji-Yong (Seocho Medical Clinic, Kangbuk Samsung Hospital)
  • 배재익 (동국대학교 의과대학 가정의학교실) ;
  • 김지용 (강북삼성병원 서초삼성부속의원)
  • Published : 2010.06.30

Abstract

Background: Nocturia is a common event among the elderly that is often understood to be a potential cause of sleep disorder. However, only a few such studies have been reported in Korea. The purpose of this study was to investigate physical diseases including nocturia as a risk factor for sleep disturbance in the Korean elderly. Methods: Subjects included 433 patients older than 60 years (average age, 69.7 years) who had completed a structured questionnaire from June to August 2009. The questionnaire asked about the quality of their sleep, nocturia and physical diseases such as hypertension, diabetes mellitus, gastrointestinal problems, arthralgia and chronic obstructive pulmonary disease. Logistic regression analysis was used to evaluate the nocturia and the physical diseases associated with sleep. Results: Incidence of nocturia increased with age and showed a significant variation among the different age groups (p<0.05): 35.7% in their 60s, 41.5% in their 70s and 60.4% in their 80s and older. Nocturia (odds ratio [OR], 1.68; 95% confidence interval [CI], 1.10 to 2.58) and arthralgia (OR, 1.69; 95% CI, 1.10 to 2.60) were two important factors causing sleep disorder. Conclusion: In conclusion, nocturia and arthralgia were the main causes of sleep disorder. As the elderly population is continually increasing, further studies are needed to improve our understanding of this subject and to find a potential cure.

연구배경: 노인에게서 흔한 증상으로 야간뇨가 있고, 이는 수면에 부정적 영향을 미치는 것으로 알려져 있다. 하지만 국내에서 노인을 대상으로 야간뇨를 포함한 신체적 질환이 수면에 미치는 영향을 알아본 연구는 없다. 이에 저자들은 특정지역 노인의 야간뇨의 유병률과 야간뇨와 신체적 질환이 수면에 미치는 영향을 알아보아 야간뇨의 치료의 근거를 찾고자 본 연구를 시행하였다. 방법: 연구 대상자는 2009년 6월 4일부터 2009년 8월 10일까지 특정의원 외래를 방문한 만 60세 이상의 노인으로서 의사소통이 가능한 노인 442명을 대상으로 연구 자료를 수집하였다. 자료 수집은 설문지를 통하여 대상자들이 직접 응답을 기입하는 방식으로 이루어 졌다. 설문지의 내용은 최근 숙면을 취하고 있는지의 여부, 야간뇨 유무 및 횟수를 기록하게 하였다. 그 밖에 고혈압, 당뇨, 소화기질환, 만성 폐질환, 갑상선질환, 뇌졸중의 유무를 표시하도록 하였다. 이러한 야간뇨와 신체적 질환과 수면과의 관계를 로지스틱 회귀분석으로 검증하였다. 결과: 야간뇨의 유병률은 39.8%였고, 60대, 70대 및 80세 이상의 노인군에서 각각 35.7%, 41.5%, 60.4%이었다. 야간뇨는 연령이 증가함에 따라 유의하게 증가하였다(p<0.05). 카이제곱 검정에서 노인에게 흔한 질환 중 수면에 방해를 하는 요인으로 야간뇨, 관절통, 소화기질환, 뇌졸중, 만성폐 질환이 통계적으로 유의하였으나(p<0.05), 다변량 분석에서 교차비를 구하였을 때는 야간뇨와 관절통만이 통계학적으로 유의한 결과가 나타났다(p<0.05). 결론: 노인에서 야간뇨는 나이가 들어감에 증가하였고, 수면에 부정적 영향을 미치는 요인은 야간뇨와 관절통으로 나타났다. 최근 노인 인구의 증가를 고려할 때 야간뇨 치료의 중요성은 증가될 것이며, 이에 대한 관심과 포괄적 접근이 요구된다.

Keywords

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