• Asian Pacific Journal of Cancer Prevention
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• v.17 no.7
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• pp.3545-3549
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• 2016

Background: The incidence of bladder cancer is lower in Asian than in Western countries. However, the crude incidence and mortality of bladder cancer have recently increased in Japan because of the increased number of senior citizens. We have already reported risk factors for urothelial cancer in a large population-based cohort study in Japan (JACC study). However, we did not evaluate the cancer risk in the upper and lower urinary tract separately in our previous study. Materials and Methods: Here we evaluated the risk of cancer death in the upper and lower urinary tracts, separately, using the database of the JACC study. The analytic cohort included 46,395 males and 64,190 females aged 40 to 79 years old. The Cox proportional hazard model was used to determine hazard ratios and their 95% confidence intervals. Results: Current smoking increased the risk of both upper and lower urinary tract cancer deaths. A history of kidney disease was associated with an increased risk of bladder cancer death, even after controlling for age, sex and smoking status. Conclusions: The present study confirmed that current smoking increases the risk of both upper and lower urinary tract cancer deaths and indicated the possibility that a history of kidney disease may be a risk factor for bladder cancer death in the Japanese population.

• Korean Journal of Radiology
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• v.24 no.4
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• pp.313-323
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• 2023

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2006.05a
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• pp.697-700
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• 2006

A sensor and measuring system were implemented to measure two signals that uroflow and urophonography during urination for diagnose the lower urinary tract symptom. The implemented system was composed of the uroflow sensor using the load-cell, the urophonography measurement sensor so as stethoscope type, pre-processing part for sensors signal detection, amplifier and filter, system control parts and PC measurement program. A simulator of the lower urinary system that is experimental equipment implemented for evaluate the implemented system. The two signals were measured using implemented system and analyzed these signal by means of time domain and frequency domain for extraction of the characteristic parameter the most influence of effect according to occlusion of the lower urinary system. Furthermore two signals were measured and analyzed with the subject of 5 healthy adult for clinical application possibility of the implemented system. As a result, the most influence bandwidth of effect according to occlusion of the lower urinary system is $253\sim282Hz$ of the urophonography signal.

• Childhood Kidney Diseases
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• v.19 no.1
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• pp.8-13
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• 2015

Antenatal hydronephrosis (ANH) is one of the most common abnormal findings detected on prenatal ultrasound (US), and it has been reported in 1-5% of all pregnancies. The likelihood of significant postnatal pathologic abnormality in the urinary tract correlates with the degree of anterior-posterior diameter (APD) according to the gestational age. Detection of urologic anomalies prenatally permits fetal interventions that avoid complications in rare cases of bladder outlet obstruction with oligohydramnios even though their final benefits still remain controversial. There is no clear consensus on the extent and mode of postnatal imaging after a diagnosis of ANH. US is the mainstay of the postnatal evaluation and helps guide further testing with voiding cystourethrography (VCUG) and diuretic renography. Although most algorithms continue to recommend generous VCUG for identification of lower urinary tract anomalies, VCUG may be safely reserved for high grade ANH cases or any grade of ANH with dilated distal ureter without increasing the risk of urinary tract infection (UTI). There are conflicting studies about efficacy of postnatal prophylactic antibiotics. It still seems reasonable to consider use of a prophylactic antibiotic to prevent infant UTIs in high-risk populations, such as females and uncircumcised males with high grades of hydronephrosis, hydroureteronephrosis, or vesicouretral reflux.

• Journal of Korean Clinical Nursing Research
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• v.25 no.3
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• pp.303-313
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• 2019

Purpose: The purpose of this study was to examine nurses' knowledge, health beliefs, and performance regarding the infection control of catheter-associated urinary tract infection (CAUTI) and to identify factors affecting their infection control performance of the CAUTI. Methods: The subjects were 166 nurses at three hospitals with less than 300 beds in urban areas.Data were collected using structured questionnaires about knowledge, health beliefs, and performance regarding the infection control of the CAUTI. Statistical analysis included t-test, ANOVA, Pearson's Correlation Coefficients, Multiple regression analysis. Results: The factors affecting the infection control performance of CAUTI were knowledge (β=.18, p=.010), perceived seriousness (β=.25, p=.001), perceived barriers (β=.41, p<.001), and cues to action (β=.15, p=.030), and these factors explained 28.7% of the variance for the infection control performance of the CAUTI. Conclusion: In this study, higher levels of knowledge, perceived seriousness and, cues to action, and lower perceived barriers resulted in a corresponding higher performance in the infection control of CAUTI. Based on these findings, providing intervention programs enhancing the health beliefs of nurses is necessary to ensure their infection control performance of the CAUTI.

• Journal of Veterinary Clinics
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• v.29 no.2
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• pp.181-185
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• 2012

An 11-year-old, intact female Shihtzu showing anuria was diagnosed as a urethral leiomyoma. The tumor occupied and obstructed the urethral lumen. In this report, the urethral tumor and secondary obstruction could be diagnosed via ultrasonography and contrast study such as excretory urography and voiding urethrography. Ultrasonography revealed a hypoechoic, demarcated urethral mass in proximal urethra. Contrast study confirmed the urethral obstruction and ruled out the expansion of the tumor into the urinary bladder. The clinical signs of the dog were completely resolved after removing the urethral mass and urethral anastomosis. Leiomyoma is a benign smooth muscle tumor, and rarely reported in lower urinary tract.

• Journal of radiological science and technology
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• v.41 no.4
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• pp.313-319
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• 2018

The purpose of this study was to investigate the influence of metabolic syndrome (MS) on the lower urinary tract symptoms (LUTS), prostate specific antigen (PSA), and prostate volume in Korean men. We analyzed the data from 2654 men over the age of 40 who visited our health promotion center for regular health checkups. Of the total 2654 men, mean age, PSA level, International Prostate Symptom Score (IPSS), and prostate volume were 54.6 years, 1.21ng/ml, 6.2 points, and 27.8ml, respectively. All examinees were divided into MS group (46.5%, 1235 men) and non-MS group (53.5%, 1419). Age and prostate volume were significantly higher in the MS group. The patients were divided into three groups according to their ages: 40's, 50's, and over 60 years old. Prostate volume of the MS group in the younger age groups (40-49 years and 50-59 years) was significantly larger than that of the non-MS group. However, no difference was revealed in the age group of 60-69 years. No significant differences were found in the PSA level and LUTS between the MS and non-MS groups. In the multivariate regression analysis, central obesity was the strongest risk factor for the enlargement of prostate over 30ml among the metabolic components.

• The Journal of Korean Medicine
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• v.31 no.1
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• pp.153-161
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• 2010

Objective: The primary objective of this study was to evaluate the effect of Paljung-san on lower urinary tract symptoms (LUTS) in patients with benign prostatic hyperplasia (BPH). Methods: We researched four men with BPH and LUTS, who were treated 3 times a day for 10 days with Paljung-san. The International Prostate Symptom Score (IPSS) and post void residual urine (PVR) were evaluated. Results: The mean decrease in IPSS total score was 13 points (P=0.007, Mann-Whitney test). The reduction of IPSS was more prominent in the obstructive subscore but was not significant (P=0.057, Mann-Whitney test). Furthermore, Paljung-san reduced PVR. Conclusions: After the 10-day treatment period, Paljung-san improved total IPSS score, especially in the obstructive subscale score, and reduced post void residual urine.

• Journal of Preventive Medicine and Public Health
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• v.52 no.3
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• pp.147-153
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• 2019

Objectives: The purpose of this study was to evaluate the association between body mass index (BMI) and severe lower urinary tract symptoms (LUTS) in Korean males. Methods: This study was conducted on males aged ${\geq}50years$ who participated in the 2011 Korean Community Health Survey. LUTS severity was assessed using the Korean version of the International Prostate Symptom Score (IPSS) questionnaire, and was dichotomized as severe (IPSS >19) and non-severe ($IPSS{\leq}19$). BMI was divided into 6 categories: <18.5, 18.5-22.9, 23.0-24.9, 25.0-27.4, 27.5-29.9, and ${\geq}30.0kg/m^2$. To evaluate the relationship between BMI and LUTS, a survey-weighted multivariate Poisson regression analysis was performed to estimate prevalence rate ratios (PRRs). Age, smoking status, alcohol intake, physical activity, educational level, household income, and comorbidities were adjusted for in the multivariate model. Results: A U-shaped relationship was detected between BMI and severe LUTS. Compared with a BMI of $23.0-24.9kg/m^2$, the PRR for a BMI < $18.5kg/m^2$ was 1.65 (95% confidence interval [CI], 1.35 to 2.02), that for a BMI of $18.5-22.9kg/m^2$ was 1.25 (95% CI, 1.09 to 1.44), that for a BMI of $25.0-27.4kg/m^2$ was 1.20 (95% CI, 1.00 to 1.45), that for a BMI of $27.5-29.9kg/m^2$ was 1.11 (95% CI, 0.83 to 1.47), and that for a BMI ${\geq}30.0kg/m^2$ was 1.85 (95% CI, 1.18 to 2.88). Conclusions: This study showed that both high and low BMI were associated with severe LUTS.

• Korean Journal of Acupuncture
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• v.25 no.4
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• pp.17-29
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• 2008

Objectives : This study was carried out to investigate the correlation of meridian system in oriental medicine and muscular system in western medicine. Methods : Muscles were assigned to meridians by their main functions and the acupoints on them. New mutual relationships between meridians in lower limb were studied based on the muscular function. Results : In gluteal & femoral region, iliopsoas & quadratus femoris are assigned to spleen & stomach meridians, gluteus maximus & hamstrings to urinary bladder & kidney meridians, adductor muscle groups to liver meridian, gluteus medius & minimus & iliotibial tract to gall bladder meridian. In crural region, anterior crural muscles are assigned to stomach meridian, lateral crural muscles to gall bladder meridian, suferficial posterior crural muscles to urinary bladder (& kidney) meridian, deep posterior crural muscles to liver, spleen, kidney meridians. In lower limb, urinary bladder meridian and stomach meridian lead the muscular functions and correspond to each other, while spleen meridian assists stomach meridian, and kidney meridian assists urinary bladder meridian. Conclusions : Muscles may be assigned to meridians by their functions and the acupoints on them. From the view of muscular function, Yang meridians lead Yin meridians in lower limb.