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Ji-Hoo Yook,Dong-Wook Lee,Min-Seok Kim,Yun-Chul Hong 대한직업환경의학회 2018 대한직업환경의학회지 Vol.30 No.-
Background: Bus drivers are known to be highly at risk of cardiovascular diseases. In this study, we assessed the cardiovascular disease prevalence of bus company employees in Seoul, South Korea, and compared the results to those of general workers. Methods: We analyzed the 2014 Korean National Health Insurance (NHI) data and defined hypertension, diabetes, dyslipidemia, ischemic heart disease, and cerebrovascular disease based on the KCD-6 medical diagnoses. We used bus company employees as surrogate participants of bus drivers due to the characteristics of Korean NHI data. We identified bus company employees in Seoul based on one’s workplace which the insurance is registered. The prevalence of five diseases was compared between the bus company employees and general workers. We also calculated the odds ratios (OR) of five diseases between the bus company employees and general workers. To compensate the vast demographical differences between the two groups, we performed propensity score matching. Results: Bus company employees have higher OR for having hypertension (OR 1.33, 95% CI: 1.28-1.39), diabetes mellitus (1.14, 95% CI: 1.08-1.22), and dyslipidemia (1.23, 95% CI: 1.17-1.29) than the general workers or propensity score matched controls. However, the OR of having ischemic heart disease were not significant. The OR of cerebrovascular disease were lower in bus company employees than in the general workers after adjusting the covariates, but similar in the propensity score matched model. Conclusion: This study showed that the ORs of cardiovascular disease risk factors are high in bus company employees when compared to the general working population. Further studies with the longitudinal design should be conducted to confirm the causal association.
The establishment of KORCC (KOrean Renal Cell Carcinoma) database
Byun, Seok-Soo,Hong, Sung Kyu,Lee, Sangchul,Kook, Ha Rim,Lee, Eunsik,Kim, Hyeon Hoe,Kwak, Cheol,Ku, Ja Hyeon,Jeong, Chang Wook,Lee, Ji Youl,Hong, Sung Hoo,Kim, Yong-June,Hwang, Eu Chang,Kwon, Tae Gyun The Korean Urological Association 2016 Investigative and Clinical Urology Vol.48 No.6
<P><B>Purpose</B></P><P>The purpose of this article is to report establishment of the 1st Web-based database (DB) system to collect renal cell carcinoma (RCC) data in Korea.</P><P><B>Materials and Methods</B></P><P>The new Web-based DB system was established to collect basic demographic and clinicopahtological characteristics of a large cohort of patients with RCC in Korea. Data from a total of 6,849 patients were collected from 8 tertiary care hospitals that agreed to participate in organizing the Korean Renal Cell Carcinoma (KORCC) study group as of 1 July 2015. Basic demographic and clinicopathological characteristics were collected. The data of patients who underwent surgical treatments were analyzed to characterize Korean RCC.</P><P><B>Results</B></P><P>We established the 1st Web-based DB of Korean RCC, a database comprising renal mass management cases from multiple centers in Korea. The data of 5,281 patients who underwent surgical management (mean follow-up, 32 months) were analyzed. The most common symptom was incidentally detected renal mass (76.9%). Clinical T1a was the most common (54.3%) stage and mean tumor size was 4.8±4.2 cm. Radical nephrectomy accounted for 62.7% of cases and an open approach was used in 50.7% and 52.2% of radical and partial nephrectomies, respectively. The 5-year overall, cancer-specific and recurrence-free survival rates were 88.1%, 92.2%, and 88.0%, respectively.</P><P><B>Conclusions</B></P><P>We report the 1st establishment of a Web-based DB system to collect RCC data in Korea. This DB system will provide a solid basis for the characterization of Korean RCC.</P>
Lee Ji Min,Lee Kang-Moon,Kang Ho Suk,Koo Ja Seol,Lee Hyun Seok,Jeong Seok-Hoo,Kim Jung Ho,Kim Dae Bum 거트앤리버 소화기연관학회협의회 2023 Gut and Liver Vol.17 No.4
Background/Aims: Low-volume preparations for colonoscopy are gaining attention for their higher acceptability. However, the efficacy and safety of oral sulfate solution (OSS) preparations in patients with ulcerative colitis (UC) has not been well known. Therefore, we aimed to compare OSS and 2-L polyethylene glycol with ascorbic acid (PEG+Asc) for bowel preparation in inactive UC. Methods: A multicenter, randomized, single-blind study was conducted at six tertiary referral hospitals in Korea. Outpatients with UC who had stable disease activity were randomly allocated to the OSS group or the 2-L PEG+Asc group for bowel preparation before colonoscopy. The study outcomes included treatment efficacy, safety, tolerability, and acceptability. Bowel cleansing was assessed using the Boston Bowel Preparation Scale and rated as successful cleansing if the score was ≥6. Patient acceptance and tolerability were assessed using a 4-point ordinal scale. Additionally, disease activity and laboratory data before and after colonoscopy were evaluated to check for safety. Results: The OSS and 2-L PEG+Asc groups included 92 and 93 participants, respectively. No significant between-group difference was noted in successful cleansing (OSS [96.7%] vs 2-L PEG+Asc [97.8%], p=0.64). Moreover, the safety, acceptance, and tolerability were not significantly different (all p>0.05). Furthermore, no significant changes were found in serum electrolytes or disease activity in either group. Conclusions: OSS is effective for colonoscopy cleansing, has acceptable tolerability, and does not affect disease activity; thus, it can be used safely for bowel preparation in patients with inactive UC.
Magnesium sulfate 와 Ritodrine hydrochloride의 조기진통 억제효과 및 안정성에 대한 비교연구
박후철(Hoo Chul Park),왕중서(Joong Seo Wang),최은주(Eun Ju Choi),정지영(Ji Young Jeong),이동규(Dong Gyu Lee),박정석(Jeong Seok Park),강상대(Sang Dae Kang) 대한산부인과학회 1999 Obstetrics & Gynecology Science Vol.42 No.10
Objectives: The purpose of this study was to evaluate the efficacy and safety of magnesium sulfate and ritodrine hydrochloride in the management of preterm labor. Methods: This study was undertaken to assess the clinical efficacy & safety of magnesium sulfate and ritodrine hydrochloride on 120 patients admitted with preterm labor from Jul. 1, 1996 to Dec. 31, 1998. Results: 1. The incidence of preterm labor was showed 6.0∼7.7% of total number of delivery. 2. The risk factors of the preterm labor were premature rupture of membrane, severe preeclampsia, previous preterm delivery, twin pregnancy, placenta previa, fetal anomaly, incompetent cervix, placental abruption, and uterine myoma in order, but 28.6% of preterm labor had no apparent risk factors. 3. The days gained in uterus was not statistically different between the magnesium sulfate group and the ritodrine group (p<0.05) but longer in the two groups than the control group. And the delivery time was also not statistically different between the magnesium sulfate group and the ritodrine group (p<0.01) but significantly increased in the two groups than the control group. 4. The rate of complete and incomplete success was similar as 12.5% and 35% (total success rate 47.5%) in the magnesium sulfate group, 7.5% and 45% (total success rate 52.5%) in the ritodrine group but only 2.5% and 27.5% (total success rate 30%) was showed in the control group. 5. The side effects were much more in the ritodrine group than the magnesium sulfate group. The patients requiring second-line therapy were similar in the both groups but the main cause was uncontrolled uterine contraction in the magnesium sulfate group, and intolerable side effects in the ritodrine group. 6. The pulse rate was not statistically different in magnesium sulfate group but markedly increased in ritodrine group (p<0.05). After managements of preterm labor, the serum potassium and ionized calcium level was significantly decreased in the two groups (p<0.05, p<0.01). Conclusion: There was not significantly different efficacy and safety of magnesium sulfate and ritodrine hydrochloride in the management of preterm labor.