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박신구,이종영,송정흡,유재영,최태성 大韓産業醫學會 2002 대한직업환경의학회지 Vol.14 No.1
목 적 : 병원 종사자들 중에서 전공의들의 주사침 상해의 실태를 파악하고, 주사침 상해 발생의 관련 요인을 알아보고자 하였다. 방 법 : 2000년 7얼에 대구지역에 소재한 전공의 수련병원 중 대학병원 2개소와 종합병원 1개소의 전공의 695명 전원을 대상으로 실시한 자가 기입식 설문지를 통하여 자료를 얻었단. 정확하게 응답한 443명(63.7 %)을 최종분석대상으로 하였다. 결 과 : 새로운 연차가 시작된 4개월 동안 경험한 주사침 상해는 응답자 443명중 200명으로 45.1 %이었고, 평균상해횟수 1.8회, 1000명당 1년 상해율은 5,377건 이었다. 업무특성에 따라 인턴이 96.5 %, 외과계 레지던트가 40.6 %, 내과계 레지던트가 34.4 %의 주사침 상해를 경험하였다. 주사침상해 발생의 관련요인을 분석하기 위해 다중 로지스틱 회귀분석(multiple logistic regression analysis)을 시행하였고, 분석결과는 내과계 레지던트에 비해 인턴이, 12시간이하 근무시간에 비해 16시간이상의 근무시간이 유의한 관련요인으로 나타났다. 결 론 : 병원종사자들 중에서 전공의들은 높은 주사침 상해율을 나타내고 있다. Objectives : This study was conducted in order to assess the experience of needle stick injury among interns and residents working in hospitals during the previous 4 nonths. Methods : We conducted a questionnaire survey of 695 interns and residents working in two university hospitals and one general hospital in Tague city. Four hundred and forty three of those questioned(63.7 %) fully responded. Results : Two hundred of the respondents(45.1 %) suffered at least one injury. Respondents suffered an average of 1.8 injuries. 96.5 % of interns, 40.6 % of surgical residents and 34.4 % of non-surgical residents suffered at leat one injury. According to multiple logistic regression, Intern status and an increased amount of working time is associated with high risk of needle stick injury. Conclusions : This study demonstrates that interns and residents suffer a high rate of needle stick injury.
일부 인쇄회로기판 납땜근로자들의 눈, 호흡기, 피부의 증상에 대한 조사연구
유재영,우극현,김진석,함정오,최태성,하봉구,정상재,박신구,김일룡 大韓産業醫學會 2001 대한직업환경의학회지 Vol.13 No.4
목적 : 이 연구는 납점작업자를 대상으로 납점작업으로 유발될 가능성이 높은 눈, 호흡기, 피부 등의 증상호소율 및 노출강도에 따른 관련성을 파악하기위해 수행되었다. 방법 : 연구참가자 146명중 연구목적에 적합한 20명을 제외한 126명을 대상으로 '눈이 가렵고 충혈됨', '코가 가렵거나 파가움', '재채기', '콧물'. '코막힘' , '목이 따끔거림' , '목에 무언가가 걸려있는것 같음' , '갑자기 연속적인 기침을 함' , '운동 시에 다른 사람에 비해 숨이 가쁨', '숨을 쉴 때 쌕쌕하는 소리가 남', '가래가 끓음', '손이나 안면에 가려움을 느낌' , '안면에 여드름이 날' '손이나 안면에 붉은 반점이 남' 등 14가지 증상에 대한 경험유무와 혈중연농도, 납점작업의 건강위험요인에 대한 지식상태 등을 조사하였다. 결과 : 조사된 14가지의 증상 중, '갑자기 연속적인 기침을 함'이 하루 납점시간 4시간 이상인 군아서 4시간 미만인 군보다 유의하게 증상호소율이 높았으며, 다른 증상의 경우 하루 납땜시간에 따라 유의한 결과를 보이지 않았다. 납땜작업의 건강위험요인에 대한 질문에 12.8 %가 플럭스에 의한 건강위험을 지적하였다. 전체 대상자의 평균 혈중연농도는6.05 rg/dL였으며, 히고치는 15.50 rg/dL이었다.결론 : 납땜작업자에게 호흡기 증상의 위험이 높을 가능성이 있으며, 납땜작업의 건강위험에 대한추가적인 연구와 납점작업자들을 대상으로 납점작업에 의해 유발될 수 있는 건강장해에 대한 적극적인교육 및 홍보활동을 필요로 한다. Objectives : This study was conducted to evaluate the prevalence of ocular, respiratory and skin symptoms among solderers and to investigate the relationship between symptom prevalence and exposure intensity. Methods : We analyzed 126 eligible participants out of a population of 146 male solder-ers who completed the symptom questionnaires. Fourteen symptoms including 'itchy and red eyes', 'itchy or prickly nose', 'sneezing', 'rhinorrhea', 'blocked nose', 'prickly throat', 'foreign body sensation in throat', 'sudden bouts of coughing', 'exertional breathlessness', 'wheezing', 'sputum production', 'itchy face or hands', 'acneiform erup-tions on the face' and 'red spots on the face or hands' were contained. Blood lead levels of all the 126 participants were tested and the participants' own assessments of the health risk of soldering were collected. Results : Of the 14 investigated symptoms, 'sudden bouts of coughing' was significantly more prevalent in solderers who worked 4 hours or more a day than those who worked less than 4 hours a day, as for the other symptoms, there were no significant differences in the prevalences related to daily soldering hours. 2.8% of the solderers considered the risk of flux exposure to be serious. The mean blood lead bevel was 6.05 μg/dL (maximum 15.50 μg/dL). Conclusions : Soldering may increase the risk of respiratory symptoms. Further invert tigations on the hazards of soldering processes are warranted and solderers should be educarted on these hazards.
최성현,최승철,박은영,임재명 江原大學校 産業技術硏究所 2002 産業技術硏究 Vol.22 No.B
Much of domestic city is served by combined sewer system rather than separate sanitary or storm sewers. During wet weather, when the volume of sanitary sewage and storm water entering the combined sewers exceeds the system capacity, the system is designed to overflow at several designated CSOs. The objective of this research is to have grasp of characteristics of combined sewer runoff and to evaluate efficiently the intercepted volume of CSOs. During the wet weather in first rainfall, SS load at each site H-1, H-2, and H-3 were 600kg/event, 370kg/event, and 289kg/event, SS load at each site in second rainfall were 216kg/event, 113kg/event, and 37.2kg/event. EMCs at each site were 702mg/L, 816mg/L, 861mg/L in first rainfall and 99.9mg/L, 161.9mg/L, 103.6mg/L in second rainfall, respectively. First flush coefficients b at each site were 0.237, 0.166, and 0.151.
UASB 공정에 의한 고농도 축산폐수 처리시 유기물 제거와 메탄생성에 관한 연구
원철희,김승호,박은영,임재명 江原大學校 産業技術硏究所 2002 産業技術硏究 Vol.22 No.B
This research was performed to investigate the COD removal efficiency and methane production in slurry-typed swine wastes using UASB(upflow anaerobic sludge blanket)reactor. The USAB reactor was operated from 0.8 through 3.3days of HRT in a range of 3 to 15 kg TCOD/m³/day of volumetric organic loading rate. The removal rate of TCOD was increased with the increase of the HRT. The removal rate of TCOD at an HRT over 2days, became greater than 68% with the methane contents being from 70 to 80%. Methane production rates were increased from 0.27 to 0.36 m³CH₄/kg CODrem. as HRTs were increased from 0.8 to 3.3days.
Park, Keun-Ho,Jeong, Myung Ho,Hong, Young Joon,Ahn, Youngkeun,Kim, Hyun Kuk,Koh, Young Yub,Kim, Doo Il,Kim, Sang Wook,Kim, Weon,Rha, Seung Woon,Rhew, Jay Young,Park, Jong Seon,Park, Hun Sik,Bae, Jang Yonsei University, College of Medicine 2018 Yonsei medical journal Vol.59 No.1
<P><B>Purpose</B></P><P>This study sought to determine the 1-year clinical effectiveness and safety of a biodegradable, polymer-containing Biolimus A9™-eluting stent (BES) in Korean patients with acute coronary syndrome (ACS).</P><P><B>Materials and Methods</B></P><P>A total of 1000 ACS patients with 1251 lesions who underwent implantation of BESs at 22 centers in Korea were enrolled between May 2011 and July 2013. We assessed major adverse cardiac events (MACE) defined as the composite of cardiac death, non-fatal myocardial infarction (MI), and clinical-driven target vessel revascularization at 12 months.</P><P><B>Results</B></P><P>Patient mean age was 62.6±11.4 years. 72.8% of the patients were male, 28.5% had diabetes, 32.8% had multi-vessel disease (MVD), and 47.9% presented with acute MI (AMI). The mean global registry of acute coronary events risk score of all patients was 103.0±27.6. The number of stents per patient was 1.3±0.6. The incidences of MACE and definite stent thrombosis at 12 months were 3.9% and 0.2%, respectively. On multivariate Cox-regression analysis, age ≥65 years was identified as an independent predictors of 1-year MACE (hazard ratio=2.474; 95% confidence interval=1.202−5.091). Subgroup analyses revealed no significant differences in the incidence of MACE between patients with and without diabetes (4.3% vs. 3.7%, <I>p</I>=0.667), between those who presented with and without AMI (4.4% vs. 3.4%, <I>p</I>=0.403), and between those with and without MVD (4.6% vs. 3.5%, <I>p</I>=0.387).</P><P><B>Conclusion</B></P><P>Our study demonstrated excellent 1-year clinical outcomes of BES implantation in patients at low-risk for ACS.</P>
( Young Joon Hong ),( Myung Ho Jeong ),( Seung Hyun Lee ),( Ok Young Park ),( Ju Han Kim ),( Weon Kim ),( Jay Young Rhew ),( Young Keun Ahn ),( Jeong Gwan Cho ),( Jong Chun Park ),( Soon Pal Suh ),( B 대한내과학회 2003 The Korean Journal of Internal Medicine Vol.18 No.3
Background: Antithrombotic therapy with heparin reduces the rate of ischemic events in patients with acute coronary syndrome. Low-molecular-weight heparin, given subcutaneously twice daily, has a more predictable anticoagulant effect than standard unfract