• Title/Summary/Keyword: stressor

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The Study of Relationship Among Lumbar lordosis and Obesity in Low Back Pain Patient (요통환자의 비만도 및 요추전만도 상관성 연구)

  • Kim, Beum-Seuk;Jang, Gun;Lee, Jong-Soo;Lim, Hyung-Ho
    • The Journal of Churna Manual Medicine for Spine and Nerves
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    • v.1 no.2
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    • pp.125-135
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    • 2006
  • Objectives: The purpose of this study was to investigate the relationship among lumbar lordotic and obesity in Low Back Pain Patient Methods: The subjects of this study were patients with low back pain who visited Jung-Dong Oriental Hospital. X-ray were taken in lateral decubitus. The measurements of the Ferguson angles(FA) and the lumbar lordotic angles(LLA) were performed. We measured BMI and WHR has been accessed bio-impedance analyzer(inbody 3.0). This results were statistically analyzed using SPSS 12.0. Results 1. In female group. FA and LLA were significantly higher than male group. 2. LLA was shown to decrease to rise with increasing WHR and BMI 3. FA had no realtion with WHR and BMI Conclusions: This data shows that obesity related to mechanical structures such as lumbar curvature. Obesity can be a one of the stressor of lumbar spine, and one of the causing factor of low back pain.

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The Experimental Model Development of Antibiotic Resistance Gene Transfer Characteristics with Various Micropollutants (미량오염물질에 의한 항생제 내성 유전자 전이 특성에 대한 실험모델 개발)

  • Kim, Doocheol;Oh, Junsik;Kim, Sungpyo
    • Journal of Korean Society on Water Environment
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    • v.28 no.6
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    • pp.911-916
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    • 2012
  • Recently, antibiotic resistant genes (ARGs) in the environment are emerging as pollutants, since these genetic contaminants can eventually be transferred to human pathogens. The aim of this study was to develop the experimental model of antibiotic resistant gene (ARG) plasmid transfer as a function of various environmental conditions. For this purpose, the multi drug resistant plasmid pB10, which is known to be originally isolated from a wastewater treatment plant, was selected as a model transfer plasmid and Escherichia coli $DH5{\alpha}$ containing pB10 was used as a model donor. Pseudomonas aeruginosa, an opportunistic pathogen, was selected as the recipient for the conjugation experiment. When the donor and recipient were exposed to various stressors including antibiotics and heavy metal as a function of the concentrations (10, 100 and, 1000 ppb), statistically increased plasmid transfer rate was observed at a concentration of 10 ppb of tetracycline and sulfamethoxazole compared to control (no antibiotic exposure). Accordingly, the developed experimental ARG model by various stressor is a promising tool for evaluating the dissemination of ARGs by micro-contaminants in aquatic environment.

Effects of Consecutive Blood Collecting Stressors on the Plasma Glucose Level and Chemiluminescent Response of Peripheral Blood Phagocytes in Cultured Sea Bass, Lateolabrax japonicus (연속 채혈 스트레스가 양식 농어의 혈장 Glucose 농도 및 말초 혈액내 식세포의 Chemiluminescent 반응에 미치는 영향)

  • Kim, Ki-Hong;Hwang, Yoon-Jung;Cho, Jae-Bum;Ahn, Kyoung-Jin;Kwon, Se-Ryun
    • Journal of fish pathology
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    • v.13 no.1
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    • pp.31-36
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    • 2000
  • The stress of consecutive blood collectings resulted in evident elevation of plasma glucose level and significant lowering of chemiluminescent response of peripheral blood phagocytes in sea bass (Lateolabrax japonicus). Fish responded to the consecutive stressors in cumulative manners. The plasma glucose level in response to consecutive stressors depended on the stressor intervals. When the plasma glucose level of individual fish was compared with the chemiluminescent response, statistically significant (P<0.05) negative correlations existed.

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Analysis of Various Ecological Parameters from Molecular to Community Levels for Ecological Health Assessments (생태 건강성 평가로서 분자지표에서 군집지표 수준까지의 다양한 변수분석)

  • Lee, Jae-Hoon;An, Kwang-Guk
    • Korean Journal of Ecology and Environment
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    • v.43 no.1
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    • pp.24-34
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    • 2010
  • This study was carried out to analyze some influences on ecological health conditions, threaten by various stressors such as physical, chemical and biological parameters. We collected samples in 2008 from three zones of upstream, midstream and downstream, Gap Stream. We applied multi-metric fish assessment index (MFAI), based on biotic integrity model to the three zones along with habitat evaluations based on Qualitative Habitat Evaluation Index (QHEI). We also examined fish fauna and compositions, and analyzed relations with MFAI values, QHEI values, and various guild types. Chemical parameters such as oragnic matter (BOD, COD), nutrients (TP, $NH_3$-N), coli-form number (as MPN), and suspended solids (SS) were analyzed to identify the relationship among multiple stressor effects. Using the sentinel species of Zacco platypus, the population structures and condition factors were analyzed along with DNA damages related with genotoxicant effects by comet assay. This study using all these parameters showed that stream condition was degraded along the longitudinal gradient from upstream to downstream, and the downstream, especially, was impacted by nutrient enrichment and toxicant exposure from the point source, wastewater treatment plant. Overall results indicated that our approaches applying various parameters may be used as a cause-effect technique in the stream health assessments and also used as a pre-warning tool for diagnosis of ecological degradation.

Effects of Prior Information About Intensive Care Unit Environment on Anxiety and Environmental Stress in Patients Undergoing Open Heart Surgery (중환자실 환경에 대한 사전정보 제공이 개심술 환자의 불안과 환경적 스트레스에 미치는 효과)

  • Shin, Kyong Mi;Choi, Hye Ran
    • The Journal of Korean Academic Society of Nursing Education
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    • v.21 no.1
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    • pp.28-35
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    • 2015
  • Purpose: The purpose of this study was to examine the effects of prior information about ICU environment on the anxiety and environmental stress of cardiac surgery ICU patients. Methods: A non-equivalent control group non-synchronized quasi-experimental research design was used. Participants were 60 (control 30, experimental 30) patients who had been admitted to ICU. Prior information about the ICU environment was provided to the experimental group. The anxiety level of subjects was measured by State-Trait Anxiety Inventory (STAI) and the stress level of subjects was measured by the Intensive Care Unit Environmental Stressor Scale (ICUESS). Data were analyzed using a Chi-square test or a Fisher's exact test, independent samples t-test, and paired samples t-test. Results: There was no difference in Anxiety (t=-0.58, p=.563), but there was a significant difference in environmental stress (t=10.46, p<.001). Conclusion: Providing prior information would be an effective nursing intervention to reduce environmental stress.

INCORPORATING PRIOR BELIEF IN THE GENERAL PATH MODEL: A COMPARISON OF INFORMATION SOURCES

  • Coble, Jamie;Hines, J. W esley
    • Nuclear Engineering and Technology
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    • v.46 no.6
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    • pp.773-782
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    • 2014
  • The general path model (GPM) is one approach for performing degradation-based, or Type III, prognostics. The GPM fits a parametric function to the collected observations of a prognostic parameter and extrapolates the fit to a failure threshold. This approach has been successfully applied to a variety of systems when a sufficient number of prognostic parameter observations are available. However, the parametric fit can suffer significantly when few data are available or the data are very noisy. In these instances, it is beneficial to include additional information to influence the fit to conform to a prior belief about the evolution of system degradation. Bayesian statistical approaches have been proposed to include prior information in the form of distributions of expected model parameters. This requires a number of run-to-failure cases with tracked prognostic parameters; these data may not be readily available for many systems. Reliability information and stressor-based (Type I and Type II, respectively) prognostic estimates can provide the necessary prior belief for the GPM. This article presents the Bayesian updating framework to include prior information in the GPM and compares the efficacy of including different information sources on two data sets.

Changes of Serum Cortisol Concentrations by Clipping Stress in Dogs (개의 미용 스트레스에 의한 Cortisol농도의 변화)

  • Lee Sang-gil;Hur Ju-hyeong;Yuk Jin-yub;Kang Chung-boo
    • Journal of Veterinary Clinics
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    • v.22 no.2
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    • pp.136-140
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    • 2005
  • This experiment is designed to determine the relationship between groomers' activities and stress. The experimenter worked with 2 female dogs and 3 male dogs owned by clients. They were 22 months old on an average and weighed 5.5kg on an average. The concentration of cortisol in blood was measured with radioimmunoassy(RIA). The concentration of cortisol in blood was high in the morning and evening and was low in the afternoon. In a normal condition, the concentration of cortisol in blood was $1.4{\mu}g/dL$, which increased to $4.98{\mu}g/dL$ after 1 hr of grooming, and then returned to normal at the termination of grooming. The survey shows that grooming acted as a stressor, which seems to have an influence on the health of dogs. So it is absolutely necessary that systematic and constant research should be conducted to reduce stress at the time of grooming.

A Study about Stressors that Middle-aged men go through and Coping Behavior (중년기 남성이 경험하는 스트레스원과 대처 행동에 관한 연구)

  • 김양희;김진희;박정윤
    • Journal of Families and Better Life
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    • v.19 no.6
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    • pp.157-172
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    • 2001
  • This study was done to examine stressors that middle-aged men experience and how they deal with them. The subjects of this study are married men at the age of thirty five to fifty, the average age is 41.43(SD=5.46),27,580,070 income,1.14 (58= 1.21) children. and married to 13.87 years. The average of every stressor of middle-aged men turned out to be similar, but they are aware of their physical stress at most, stress from family and mentality ranks at second, and stress at job is the lowest. The coping behavior towards stress shows direct-active behavior at most, direct-inactive behavior and indirect-active behavior are in the close level, and indirect-inactive behavior takes the lowest portion. From the analysis, there were differences in stressors and dealing behaviors according to individual character and the family, they use different coping ways depending on stressors. Men became to be highly conscious of the crisis of the middle-aged life in rapidly changing society and family. Therefore, we need to figure out stressors they go through and develop the strategies to cope with stress so that they could support middle-aged men's quality of life.

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Factors Influencing the Psychological Adaptation of Grandmothers Raising Their Grandchildren (조손가족 조모의 심리적 적응에 영향을 미치는 요인: Double ABCX 가족스트레스 모델을 기초로)

  • Hwang, Mi-Jin;Chung, Hye-Jeong
    • Journal of Families and Better Life
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    • v.32 no.4
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    • pp.1-22
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    • 2014
  • This study was focused on investigating the factors of the psychological adaptation of grandmothers raising their grandchildren. The Double ABCX family stress model provided the theoretical basis for this study, and the major factors examined in the study included a pile-up of stressors, family resources and social support, appraisal of situation(redefinition of nurturing), and adaptation(depressive mood and happiness). Data were collected by personal interview with 213 grandmothers raising their grandchildren utilizing the questionnaire survey method. Structural equation modeling analyses were performed and the results showed that a pile-up of stressors, the family resources(i.e., contact and emotional solidarity with grandchildren's parents), and the redefinition of nurturing had significant influences on the psychological adaptation of grandmothers raising their grandchildren. It was also found that social support had indirect influence on grandmothers' psychological adaptation. The redefinition of nurturing had the greatest effect on the participants' psychological adaptation, followed by a pile-up stressor, and then the family resources.

Relationship between Stress and the Quality of Life among the Recipients of the Living Donor Liver Transplantation (생체 간이식 수혜자의 스트레스와 삶의 질과의 상관관계 연구)

  • Yoo, Hye Jin;Kim, Keum Soon
    • Journal of Korean Clinical Nursing Research
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    • v.19 no.3
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    • pp.395-406
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    • 2013
  • Purpose: This study was aimed to investigate the relationship between the level of stress and the quality of life among the adult recipients of living donor liver transplantation. Methods: Participants were 213 outpatients who received living donor liver transplantation at least 3 months prior to this study. Stress was measured using a modified version of the Kidney Transplant Recipient Stressor Scale (KTRSS), and the quality of life was measured using SF-36 version 2. Results: The mean of scaled stress level and quality of life of liver transplant recipients were $2.44{\pm}0.13$, $69.28{\pm}18.25$, respectively. There was an inverse correlation between those two parameters. Therefore lower stress could improve quality of life. Conclusion: For the liver transplantation recipients, improving the quality of life is to be the ultimate goal of health-related mediation. Liver transplantation recipients would need to cultivate self-care ability to manage stress, and improving their quality of life.