• Title/Summary/Keyword: risk factor

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Etiological risk factors of peri-implantitis : a literature review (임상가를 위한 특집 2 - 임플란트 주위염의 병인론적 위험요소에 대한 문헌적 고찰)

  • Hwang, Jae Ho
    • The Journal of the Korean dental association
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    • v.51 no.12
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    • pp.637-642
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    • 2013
  • Because the implant is regarded as a common treatment. It is clinically important that systemic and local risk factor of threatening peri implant mucosa should be considered during the process. The most risk factors are detected in clinical diagnosis, but it might be difficult and not clear to recognize systemic or combined factors. This article reviews risk factors of peri-implantitis. Local factors are biomechanics, periodontal soft tissue characteristics, infected site and oral hygiene. Systemic factors are alcohol, smoking and genetic traits.

A Perspective on Pharmaceutical Industrial Research on Antihypertensive drugs

  • Lee, Jang-Yun;John F. DeBernardis
    • Archives of Pharmacal Research
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    • v.10 no.4
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    • pp.245-249
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    • 1987
  • Cardiovascular disease is at present the leading cause of deth in the United States and other in dustrilized countries. A major contributing factor of cardiovascular disease is essential hypertension. Untreated, essential hypertension is considered a risk factor for sudden death due to myocardial infarctions, as well as a risk factor for cerebral vascular disease, renal failure and congestive heart failure. During the last decade, significant progress has been made in the basic knowledge of the pathogenesis of hypertension as well as in the development of new antihypertensive drugs.

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A Study on Risk Factor Analysis of Construction Scaffold Installation (건설비계 설치작업의 위험요인 분석에 관한 연구)

  • Kim, Kyong-Hoon;Boo, Yoon-Seob
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2019.11a
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    • pp.189-190
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    • 2019
  • Designers and builders are omitting structural design and relying on workers' experience, due to the lack of awareness of the importance of scaffolding in domestic construction sites, and there is a high probability of collapsing accidents such as inappropriate wall joint installation and non-compliance with work procedures. Therefore, risk factors were analyzed in detail and major risk factors were derived from opinions of site managers and scaffolding experts in this study.

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An Epidemiological Study on the Selected Risk Factors of Hepatitis B Virus Infection (B형 간염 전파관련요인에 관한 역학적 연구)

  • Oh, Min-Hwa
    • Journal of Preventive Medicine and Public Health
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    • v.17 no.1
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    • pp.223-229
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    • 1984
  • An attempt to confirm the associations of some selected risk factors of HBV infection and measure their risks, a cross-sectional study with 1,209 urban office workers was carried out. For the study, a simple questionnaire which contained several questions on personal experience and behaviors on several known selected risk factors of HBV infection was applied to each subject, and the Hepatitis B virus surface antigen and its antibody were checked by RPHA and PHA method, respectively. Risk factors chosen for this study were experience of blood transfusion and personal contact variables, such as frequencies of eating-out, drinking after office hours, going to tea room, sharing cigarettes, etc. The results obtained were as follows: 1. The proportion of HBsAg positive was 10.6%, and total HVB infected including the Anti-HBs positive cases without vaccination was 44.2%. Both were higher in male than in female. 2. Frequent personal contact through glasses and dishes in eating-outs and drinkings turned out not to be a significant risk factor of Hepatitis B surface antigenecity. 3. Frequent visits to tea room was a significant risk factor of HBV infection which combined HBsAg positive cases and Anti-HBs cases who had not received HBV vaccination. The odds ratio was 1.56 4. Blood transfusion was not a significant risk factor of both HBsAg positive and total HBV infection. In summary, indirect oral contacts through eating-outs and drinkings was not significant risk factor in Korea at least between adults. Blood transfusion is no more major source of HBV infection in Korea probably because the adquate screening test of HBsAg for the blood donors is being made.

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A Development of the Risk Factor Dictionary for the Private Finance Construction Project (민간투자 건설사업 위험요인사전 개발)

  • Kim, Seon-Gyoo
    • Korean Journal of Construction Engineering and Management
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    • v.8 no.5
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    • pp.152-160
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    • 2007
  • Recently, the government is very active to secure the financial resources by inducement of the private investment in fulfilling an extension of the SOC facilities. One of the reasons that the private investors hesitate to put money into the private finance projects, however, is the lack of knowledges about various risks to be possibly incurred during the project execution. This research was performed as one of the preparation works in order for a A engineering company to act as a prime contractor of the project management service in the private finance project, and finally developed the risk factor dictionary as a new concept to satisfy the requirement of a A company and overcome a limit of the existing risk checklists. Although the risk factor dictionary looks like the only simplified table to be the risk factors identified in three dimensions, the impacts and response strategies expressed in narrative and multi-items, and the responsible parties indicated, it has great meanings to get a lot of direct and indirect accomplishments over the simplified table during the development process.

Risk and Protection Factor Related to Suicide Ideation in Each Life Course based on an Ecological-system Perspective (생태체계적 관점에서 본 생애주기별 자살생각의 위험요인과 보호요인)

  • Kim, Yun-Jeong
    • The Korean Journal of Community Living Science
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    • v.22 no.3
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    • pp.429-444
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    • 2011
  • The objective of this study was to identify the risk factor and protection factor related to suicide ideation in each life course based on an ecological-system perspective. A questionnaire was carried out for 393 adolescents, 473 adults and 376 aged men living nationwide. The results are as follows. First, the suicide ideation was low with 1.78 points in the full mark of 5 points. Second, the difference in suicide ideation, depression, hopelessness, stress in the organic system variables, family solidarity in the micro system variables, intermediate system variables, residence, the existence/inexistence of counselling center and the influence of mass media in mezo system variables in each life course were significant. Third, the relative influence of organic system variables on the suicide ideation were largest in all life courses. Further, the depression and the influence of mass media in all life courses were a risk factor of suicide ideation and stress was also a risk factor of suicide ideation in the case of adolescents and the aged. When examining protection factors of suicide ideation, family solidarity, minute as it is, works as the protection factor of suicide ideation in the case of adolescents. For the adults, living in a metropolis was a protection factor from suicide ideation. For the aged, family solidarity, family history of suicide and adult children's attention to their friends and neighbors (intermediate system variable) were protection factors from suicide ideation. I suggested that policy, service, counseling and educational program proper to each life course were necessary to lower risk factors of suicide ideation and to improve protection factors.

Nursing Students식 Perceptions on Diet and as Environmental Factors Related to Cancer Risk Factors (암 위험요인과 관련된 식이와 환경요인에 관한 간호학생의 인식)

  • 이혜경;전성주;황미혜;서순림
    • Journal of Korean Academy of Nursing
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    • v.28 no.1
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    • pp.193-200
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    • 1998
  • The purpose of this study was to identify how students majoring in nursing perceive causes of cancers and the effects of diet for preventing cancers. Data for the study were collected by 651 nursing students, who were registered in the second and third year in three technical colleges and third and fourth year in two universities. The Research instruments included items on general characteristics of subjects, items about the degree of perception of the frequency of cancer onset and items on the perception of mortality. risk factors. preventive diets, knowledge, and high risk factor for cancer in specific body areas. The findings of this study are as follows : 1. Almost all subjects(92.8%) reported that the frequency of cancer onset increases and that it is 93.9% for people over 40. Degree of perception about cancer mortality was low at 33.0%. 2. As far as the perception of risk factors for cancer onset was concerned, smoking, stress, heredity, family history, and alcohol were rated high, over 80.0%. Risk factor in. eluding virus, hormones. pesticides were rated as low. 3. As to the perception of risk factor for body area as associated with diet salted and scorched food were rated at 44.5% for stomach cancer, alcohol, 50.4% for liver cancer, smoking. 72.8% for lung cancer. pregnancy times. 25.3%, and marriage age, 23.0% for uterine cancer, and no delivery experience, 40.1% for breast cancer. 4. The knowledge score for cancer was between 12 and 36, with a mean score of 26.75(SD=4.13). There was a statistically significant difference between experience in raring for cancer patients during clinical practice and knowledge score(t=3.09. p=.002).

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Sasang Constitution May Act as a Risk Factor for Post Traumatic Stress Disorder (외상 후 스트레스 장애의 위험요인으로서의 사상체질)

  • Kim, Yunyoung;Kim, Tae-Yeol;Park, Soyoung;Jang, Eunsu
    • Journal of Sasang Constitutional Medicine
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    • v.32 no.1
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    • pp.22-29
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    • 2020
  • In this study, we suggested indirect evidence of whether Sasang constitution(SC) could be a risk factor for Post-traumatic stress disorder(PTSD) among soldiers who participated in Vietnam war. The number of 199 subjects joined this study. We surveyed SC with KS-15 and PTSD with Korean Version of Impact of Event Scale-Revised questionnaires. A Chi-square test and a one-way ANOVA were performed according to SC type, and multiple logistic regression was used to produce odds ratios(ORs). Significant p was .05. The number(rate) of Taeeumin(TE), Soeumin(SE), and Soyangin(SY) types were 131(65.8%), 33(16.6%), and 35(17.6%) respectively. The score of PTSD in SE type(8.78±8.61) was significantly higher than those of SY(4.00±6.5) and TE types(3.65±6.78)(p=.001, SE>TE, SY, Scheffe). SE type was associated with increased PTSD prevalence compared with TE [OR 4.338; 95% CI 1.525-12.335, p<.01], and it was still associated with increased PTSD prevalence [OR 10.658; 95% CI 1.296-87.661, p<.05] after adjusting for age and weight. This study suggests that SC, particularly the SE type, might be significantly associated with PTSD and could be considered as a risk factor for PTSD.

Case-Control Study on Social Risk Factors of Stroke in Korea (뇌졸중의 사회적 위험요인에 대한 환자-대조군 연구)

  • Kim, Jong-Won;Yu, Byeong-Chan;Choi, Sun-Mi;An, Jung-Jo;Jo, Hyun-Kyung;Yoo, Ho-Rhyong;Kim, Yoon-Sik
    • Journal of Physiology & Pathology in Korean Medicine
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    • v.21 no.6
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    • pp.1631-1636
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    • 2007
  • The purpose of this study was done to investigate the influence of social risk factors on each stroke type. We recruited at the Stroke Medical Center in Daejeon University Oriental Medical Hospital from July 2005 to March 2007 for this study. We divided 217 patients with acute stroke within 2 weeks as the case group(Cases), 146 people without major risk factor as the healthy control group(Normals), and 160 people as the general control group(Controls). We analyzed general characteristics such as age, sex, with or without spouse, education periods, religion, psychologic stress, and the odds ratio of each social risk factors by multivariate logistic analysis. As a result of reviewing the influence of social risk factors upon each stroke type, without spouse may be risk factor of ischemic stroke, and the undereducated may be risk factor of hemorrhagic stroke and ischemic stroke. But religion and psychologic stress had no significant relation with stroke.

An Analysis on the Safety Accident Network and Risk Level of Construction Machine and Equipment (건설기계·장비의 안전재해 네트워크 및 위험도 분석)

  • Shin, Won-Sang;Son, Chang-Baek
    • Journal of the Architectural Institute of Korea Structure & Construction
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    • v.34 no.5
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    • pp.35-42
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    • 2018
  • In order to seek out methods to reduce safety accidents caused by construction machinery and equipment, this study collects data about safety accidents and draws main risk factors by construction from the data, through SNA. It aimed to suggest safety management points to be used in future construction fields, by analyzing risk index of such factors. The finding can be summarized: First, Backhoe Bucket is the risk factor for crash accidents of average workers in earth works; boring machines-maintenance is the risk factor for fall accidents of construction machinery operators in foundation works; bending machine-reinforcing rod processing is the risk factor for jamming accidents of reinforcing rod engineers in frame works; and mobile crane-hook is the risk factor for crash accidents of average workers in lifting works. Second, works can be arranged in turn, according to the risk index: earth, lifting, frame and foundation works. Risk factors can be also arranged according to the risk index: Backhoe in earth works, pile drivers in foundation works, bending machines in frame works and mobile cranes in lifting works. This study has some limits, in that it only analyzed main machinery/equipment, among various kinds of them, for earth, foundation, frame and temporary works (lifting works) and used data collected over three years. Therefore, it is necessary to conduct an analysis using big data, by collecting additional data about a lot of machinery/equipment in future construction fields.