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      • KCI등재

        Effect of weight reduction on the severity of lower urinary tract symptoms in obese male patients with benign prostatic hyperplasia: A randomized controlled trial

        Chi-Hang Yee,Wing-Yee So,Sidney KH Yip,Edwin Wu,Phyllis Yau,Chi-Fai Ng 대한비뇨의학회 2015 Investigative and Clinical Urology Vol.56 No.3

        Purpose: We assessed whether weight reduction is an effective intervention for the management of lower urinary tract symptoms (LUTS) and investigated the relationship between obesity and LUTS. Materials and Methods: This was a prospective randomized controlled trial that enrolled obese men older than 50 years with LUTS. The study period was 52 weeks. All patients received standardized alpha-adrenergic blocker therapy for the treatment of benign prostatic hyperplasia (BPH) during the run-in period. Patients were randomized to receive either a standardized prerecorded video program on the general principle of weight reduction or a comprehensive weight reduction program. Patients were assessed at different time points with symptom assessment, uroflowmetry, transrectal ultrasound, and metabolic assessment. Results: Sixty-five patients were allocated to each study arm. After the study period, no significant difference in weight reduction was found between the two arms. When the pre- and postintervention parameters were compared, none were statistically different between the 2 arms, namely nocturia, International Prostate Symptom Score, quality of life assessment, and uroflowmetry parameters. When the whole study population was taken as a single cohort, these parameters were also not significantly different between the group with a body mass index of 25 to <30 kg/m2 and the group with a BMI of 30 to 35 kg/m2. Conclusions: We found no association between obesity and LUTS. This could have been due to the less marked weight difference in our cohort. Whereas weight reduction may be an effective measure to improve LUTS, the implementation of a successful program remains a challenge.

      • KCI등재

        Chronic Kidney Disease and Associated Cardiovascular Risk Factors in Chinese with Type 2 Diabetes

        Qing-Lin Lou,Xiao-Jun Ouyang,Liu-Bao Gu,Yong-Zhen Mo,Ronald Ma,Jennifer Nan,Alice Kong,Wing-Yee So,Gary Ko,Juliana Chan,Chun-Chung Chow,Rong-Wen Bian 대한당뇨병학회 2012 Diabetes and Metabolism Journal Vol.36 No.6

        Background: To determine the frequency of chronic kidney disease (CKD) and its associated risk factors in Chinese type 2 diabetic patients, we conducted a cross-sectional study in Nanjing, China, in the period between January 2008 and December 2009. Methods: Patients with type 2 diabetes under the care by Jiangsu Province Official Hospital, Nanjing, China were invited for assessment. CKD was defined as the presence of albuminuria or estimated glomerular filtration rate <60 mL/min/1.73 m2. Albuminuria was defined as urinary albumin-to-creatinine ratio ≥30 mg/g. Results: We recruited 1,521 urban Chinese patients with type 2 diabetes (mean age, 63.9±12.0 years). The frequency of CKD and albuminuria was 31.0% and 28.9%, respectively. After adjusted by age and sex, hypertension, anemia and duration of diabetes were significantly associated with CKD with odds ratio (95% confidence interval) being 1.93 (1.28 to 2.93), 1.70 (1.09 to 2.64), and 1.03 (1.00 to 1.06), respectively. Conclusion: In conclusion, CKD was common in the urban Nanjing Chinese with type 2 diabetes. Strategies to prevent or delay progression of kidney disease in diabetes should be carried out at the early disease course of type 2 diabetes.

      • Implication of Genetic Variants Near <i>TCF7L2</i> , <i>SLC30A8</i> , <i>HHEX</i> , <i>CDKAL1</i> , <i>CDKN2A/B</i> , <i>IGF2BP2</i> , and <i>FTO</i> in Type 2 Diabetes and Obesity in 6,719 Asians

        Ng, Maggie C.Y.,Park, Kyong Soo,Oh, Bermseok,Tam, Claudia H.T.,Cho, Young Min,Shin, Hyoung Doo,Lam, Vincent K.L.,Ma, Ronald C.W.,So, Wing Yee,Cho, Yoon Shin,Kim, Hyung-Lae,Lee, Hong Kyu,Chan, Juliana American Diabetes Association 2008 Diabetes Vol.57 No.8

        <P><B>OBJECTIVE—</B> Recent genome-wide association studies have identified six novel genes for type 2 diabetes and obesity and confirmed <I>TCF7L2</I> as the major type 2 diabetes gene to date in Europeans. However, the implications of these genes in Asians are unclear.</P><P><B>RESEARCH DESIGN AND METHODS—</B> We studied 13 associated single nucleotide polymorphisms from these genes in 3,041 patients with type 2 diabetes and 3,678 control subjects of Asian ancestry from Hong Kong and Korea.</P><P><B>RESULTS—</B> We confirmed the associations of <I>TCF7L2</I>, <I>SLC30A8</I>, <I>HHEX</I>, <I>CDKAL1</I>, <I>CDKN2A</I>/<I>CDKN2B</I>, <I>IGF2BP2</I>, and <I>FTO</I> with risk for type 2 diabetes, with odds ratios ranging from 1.13 to 1.35 (1.3 × 10<SUP>−12</SUP> < <I>P</I><SUB>unadjusted</SUB> < 0.016). In addition, the A allele of rs8050136 at <I>FTO</I> was associated with increased BMI in the control subjects (<I>P</I><SUB>unadjusted</SUB> = 0.008). However, we did not observe significant association of any genetic variants with surrogate measures of insulin secretion or insulin sensitivity indexes in a subset of 2,662 control subjects. Compared with subjects carrying zero, one, or two risk alleles, each additional risk allele was associated with 17% increased risk, and there was an up to 3.3-fold increased risk for type 2 diabetes in those carrying eight or more risk alleles. Despite most of the effect sizes being similar between Asians and Europeans in the meta-analyses, the ethnic differences in risk allele frequencies in most of these genes lead to variable attributable risks in these two populations.</P><P><B>CONCLUSIONS—</B> Our findings support the important but differential contribution of these genetic variants to type 2 diabetes and obesity in Asians compared with Europeans.</P>

      • KCI등재

        Validity of Glycated Hemoglobin in Screening and Diagnosing Type 2 Diabetes Mellitus in Chinese Subjects

        ( Yun Yu ),( Xiao Jun Ouyang ),( Qing-lin Lou ),( Liu Bao Gu ),( Yong Zhen Mo ),( Gary T. Ko ),( Chun Chung Chow ),( Wing Yee So ),( Ronald Ma ),( Alice Kong ),( Nicola Brown ),( Jennifer Nan ),( Juli 대한내과학회 2012 The Korean Journal of Internal Medicine Vol.27 No.1

        Background/Aims: The application of glycated hemoglobin (HbA1c) for the diagnosis of diabetes is currently under extensive discussion. In this study, we explored the validity of using HbA1c as a screening and diagnostic test in Chinese subjects recruited in Nanjing, China. Methods: In total, 497 subjects (361 men and 136 women) with fasting plasma glucose (PG) ≥ 5.6 mmol/L were recruited to undergo the oral glucose tolerance test (OGTT) and HbA1c test. Plasma lipid, uric acid, and blood pressure were also measured. Results: Using a receiver operating characteristic curve, the optimal cutoff point of HbA1c related to diabetes diagnosed by the OGTT was 6.3%, with a sensitivity and specificity of 79.6% and 82.2%, respectively, and the area under the curve was 0.87 (95% confidence interval, 0.83 to 0.92). A HbA1c level of 6.5% had a sensitivity and specificity of 62.7% and 93.5%, respectively. When comparing the HbA1c ≥ 6.5% or OGTT methods for diagnosing diabetes, the former group had significantly higher HbA1c levels and lower levels of fasting and 2-hour PG than the latter group. No significant difference was observed in the other metabolism indexes between the two groups. Conclusions: Our results suggest that HbA1c ≥ 6.5% has reasonably good specificity for diagnosing diabetes in Chinese subjects, which is in concordance with the American Diabetes Association recommendations.

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