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Differences in Lower Urinary Tract Symptoms between Sympathetic Hyperactive and Hypoactive men

Other Title
교감신경 활성도의 차이에 따른 하부요로 증상의 차이
Authors
오, 동근
Degree
Doctor (2015)
Abstract
Purpose :

Heart rate variability (HRV) is a tool used to measure autonomic nervous function; however, there is no evidence that it can be used to define sympathetic hyperactivity in men with lower urinary tract symptoms (LUTS). I suspected that LUTS would differ between sympathetic hyperactive and hypoactive patients. Therefore, I measured HRV and divided the LUTS patients into two groups, a sympathetic hyperactive group and a sympathetic hypoactive group according to the low frequency/high frequency (LF/HF) ratio and made clinical comparisons between the groups.



Materials and methods :

A total of 43 patients with symptomatic LUTS [International Prostate Symptom Score (IPSS) over 8] and 49 healthy volunteers were enrolled. No subjects had diseases that could affect the autonomic nervous system, such as diabetes or hypertension. Electrocardiographic signals were obtained from subjects in the resting state and HRV indexes were calculated with spectral analyses. I divided the LUTS patients into two groups by an LF/HF ratio of 1.9, which was the median value in the healthy volunteers, and compared the differences in clinical characteristics, IPSS, prostate-specific antigen (PSA), and transrectal ultrasound (TRUS) results. The parameters were compared by independent sample t-test by use of SPSS version 19.



Results :

There were no significant differences in age, serum PSA, or volume of the prostate between the 2 LUTS groups. The comparative results for parameters of HRV between the two groups showed only frequency on the IPSS questionnaire to differ significantly. (p<0.05)



Conclusion :

I suggest that an imbalance of autonomic nervous system activity may be a factor and LUTS patients with hypoactive sympathetic tone may suffer from frequency and storage symptoms.
Keywords
prostatic hyperplasiaautonomic nervous systemlower urinary tract symptomsheart rate variability전립선비대증자율신경계하부요로증상심박동수 변이
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Theses > School of Medicine / Graduate School of Medicine > Doctor
AJOU Authors
오, 동근
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