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RISS 인기검색어
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- 저자 : ( Chun-fang Tung ) (검색결과 2 건)
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Serum Uric Acid Relation for Hearing Threshold Shiftt
Hui-Fang Yang,Tung-Wei Kao,Tao-Chun Peng,Yu-Shan Sun,Fang-Yih Liaw,Chung-Ching Wang,Ju-Ting Hsueh,Wei-Liang Chen 대한이비인후과학회 2017 Clinical and Experimental Otorhinolaryngology Vol.10 No.2
Objectives. The effects of serum uric acid (UA) level on a variety of diseases were found from experimental and observational studies via oxidative stress and anti-oxidants. However, research on the association of UA and hearing thresholds is relatively sparse. We investigated this issue in the U.S. general population to evaluate the relationship of serum UA levels and pure tone threshold of hearing. Methods. Forty four thousand eighty four eligible participants aged 20 to 69 years who have serum UA data and received Audiometry Examination Component were enrolled from the National Health and Nutrition Examination Survey 1999–2004. Hearing thresholds (dB) as a pure tone average at low frequencies (0.5, 1, 2 kHz) and at high frequencies (3, 4, 6, and 8 kHz) were computed. Multivariate linear regression models and tertile-based analysis with an extended-model approach for covariates adjustment were used to assess the correlation between serum UA level and hearing thresholds. Results. In the adjusted mode of tertile-based analysis, the regression coefficients elucidated as the change of log-transformed mean hearing thresholds upon comparing participants in the highest tertile of serum UA to those in the lowest tertile were –0.067 (P=0.023) in high frequency and –0.058 (P=0.054) in low frequency. After adjusting for multiple pertinent covariates, inverse association between tertiles of serum UA and hearing thresholds remained essentially unchanged. The negative trends between serum UA and hearing thresholds were statistically significant (P for trends <0.05) in tertile-based multiple linear regressions. Conclusion. Individuals with elevated UA levels independently were found to be inversely associated with hearing thresholds for pure tone audiometry in a nationally representative sample of U.S. adults.
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Impact of Obesity on a Chinese Population with Erosive Esophagitis and Barrett`s Esophagus
( Shou-wu Lee ),( Han-chung Lien ),( Teng-yu Lee ),( Chun-fang Tung ),( Hong-zen Yeh ),( Chi-sen Chang ) 대한간학회 2017 Gut and Liver Vol.11 No.3
Background/Aims: The aim of this study was to investigate the associations between obesity and erosive esophagitis (EE) or Barrett`s esophagus (BE) in a Chinese population. Methods: Data from subjects were retrospectively collected from 2006 to 2009. Individuals with BE were identified and age- and sex-matched at a 1:2 ratio with normal esophagocardial junction and EE patients. The subjects were stratified into two groups: the normal weight group and overweight/ obesity group (body mass index ≥25 mg/m2) or the normal waist group and abdominal obesity group (waist circumference ≥90 cm for men and ≥80 cm for women). Results: Overall, 45%, 72%, and 52% were overweight/obese and 23%, 65%, and 18% had abdominal obesity in the normal, EE, and BE groups, respectively. Positive associations were identified between EE and overweight/obesity (odds ratio [OR], 3.14; 95% confidence interval [CI], 1.75 to 5.66) and abdominal obesity (OR, 6.22; 95% CI, 3.34 to 11.57); however, the associations were nonsignificant between BE and overweight/obesity (OR, 1.32; 95% CI, 0.67 to 2.61) or abdominal obesity (OR, 0.73; 95% CI, 0.31 to 1.73). Female BE patients had a significantly increased rate of being overweight/obese. Conclusions: Obesity is a contributing factor in EE. The association of BE and obesity was not significant, with the exception of female BE cases. (Gut Liver 2017;11:377-382)
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