Park, Jong-Ook;Kim, Don-Kyoun;Lee, Su-Ill;Cho, Byung-Mann;Cho, Bong-Soo;Kim, Young-Wook
Journal of Preventive Medicine and Public Health
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v.27
no.2
s.46
/
pp.299-312
/
1994
This survey was performed to obtain the basic information for the prevention and management of occupational low back injury (LBI). The subjects of this survey were 952 workers (male, 892 ; female, 60) who had taken occupational LBI in some industries of Pusan area from January 1 to December 31, 1991. Observation period was 2.6 years from the beginning to the end of medical treatment. The obtained results were summarized as follows ; 1. The proportion of LBI workers was 15.9% of the workers who had taken any occpational injuries and 0.32% of all workers in this surveyed area. 2. 8.0% of the workers had taken LBI on the 1st day of employment and 55.2% of the workers were within one year, 91.4% of the workers were within 10 years according to cumulative frequency distribution. 3. Handling of heavy objects was the most common cause of LBI (32.0%) and fall down (26.9%) and slip down (16.3%) were the next in order. 4. The most common causes of both lumbar sprain and HNP were handling of heavy objects and that of lumbar fracture was fall down. 5. The mean duration for medical treatment of LBI workers was 143 days. 6. The total direct compensation cost for LBI workers was 6,736 million Won and the proportion of medical, resting, disability compensation costs were 25.0%, 37.0%, 38.0 % respectively. 7. The percentages of retreated workers and disabled workers were 11.9% (113 persons) and 22.9% (218 persons) of total LBI workers respectively.
Pneumoconiosis is a pathological change which is caused by coal dusts. It is a chronic disease that is not cured thoroughly but need treatment and nursing care through all lifetime of the patient. The family of the patient will be suffered from the physical and mental difficulties in the consequence of pneumoconiosis. The study is to find out the characteristics of the families with pneumoconiosis patients. The subjects of the study were 300 families with pneumoconiosis patients who were under medical treatment in Taeback, Donghae, Jeongsun Occupational Medical Center. The period of the study was from the 8th to the 31st of August, 1998. The data were collected by the structured questionnaires included the family intensity measurement which was translated by "Oh". The general properties of the subjects were calculated by frequency and percentage with SAS program. The followings are the summaries of the study. 1) The mean age of the pneumoconiosis patients was 62.3 years. The mean duration of diseases was 11 years and 7 months and the mean duration of hospital stay was 6 years and 4 months. 2) The mean age of the primary care giver was 55.7 years. The proportion of highschool education was 9.6% and it was quite low level compared to other primary care giver groups. 3) The average number of family members were 1.76 person(2.76 persons included patient). The economic status was somewhat high compared to other families with chronic patients. 4) The mean score of family intensity was 41.2(item mean=3.4). With the result, it is recommended to develop a program to improve the quality of family life. For example, there will be social support program for pneumoconiosis patients family sponsored by Social Insurance for Occupational Diseases.
Song, Woo Jin;Kang, Sang Gue;Kim, Eun Key;Song, Seung Yong;Lee, Joon Seok;Lee, Jung Ho;Jin, Ung Sik
Archives of Plastic Surgery
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v.47
no.2
/
pp.118-125
/
2020
Since April 2015, post-mastectomy breast reconstruction has been covered by the Korean National Health Insurance Service (NHIS). The frequency of these procedures has increased very rapidly. We analyzed data obtained from the Big Data Hub of the Health Insurance Review and Assessment Service (HIRA) and determined annual changes in the number of breast reconstruction procedures and related trends in Korea. We evaluated the numbers of mastectomy and breast reconstruction procedures performed between April 2015 and December 2018 using data from the HIRA Big Data Hub. We determined annual changes in the numbers of total, autologous, and implant breast reconstructions after NHIS coverage commenced. Data were analyzed using Microsoft Excel. The post-mastectomy breast reconstruction rate increased from 19.4% in 2015 to 53.4% in 2018. In 2015, implant reconstruction was performed in 1,366 cases and autologous reconstruction in 905 (60.1% and 39.8%, respectively); these figures increased to 3,703 and 1,570 (70.2% and 29.7%, respectively) in 2018. Free tissue transfer and deep inferior epigastric perforator flap creation were the most common autologous reconstruction procedures. For implant-based reconstructions, the rates of directto-implant and tissue-expander breast reconstructions (first stage) were similar in 2018. This study summarizes breast reconstruction trends in Korea after NHIS coverage was expanded in 2015. A significant increase over time in the post-mastectomy breast reconstruction rate was evident, with a trend toward implant-based reconstruction. Analysis of data from the HIRA Big Data Hub can be used to predict breast reconstruction trends and convey precise information to patients and physicians.
The purpose of this study was getting information to set up the new roles focused on nutrition education for school dietitians as nutrition teachers. One hundred thirty nine school dietitians and 1169 elementary school children residing in Daegu city and Gyeongbuk province were surveyed for this study. Sixty eight percent of the school dietitians perceived 1st-3rd year of the elementary school is the most proper time to start nutrition education, and 59.0% of them wanted to practice nutrition education as a discretion teaching time. The largest proportion(79.1%) of the school dietitians expected that nutrition education is helpful to get good dietary habit. School dietitians responded that major contents that should be included in the nutrition education was balanced diet, diet and habit, managing healthy weight, dining etiquette, food safety and problems of environmental contamination. Fairly large proportion of the students(64.4%) responded nutrition education is urgently needed. The contents of the nutrition education students wanted most were cooking and healthy diet. Forty six percent of the students perceived school dietitians are responsible for nutrition education and they wanted to have nutrition education as a part of special activity class. The most preferred frequency of nutrition education was 1 hour/week and 46.2% of the students responded they wanted to participate cooking camp.
The aim of this study is to consider the physical distribution system of assembly supplied from $1^{st}$ supplier and module corporation to automobile assembly plant through analysis of existing literatures and interview survey. The major findings of this study are as follows. Parts supply of automobile are to bind together with many regional parts supplier than using multi frequency and small delivery of JIT. Regional physical distribution center of joint parts and integrated physical distribution information center is to be installed in neighboring region of automobile assembly plant in order to reduce the transport cost by designating and activating multiple physical distribution and transport companies in each automobile assembly plant and turning into effective high volume shipping system.
Jeong, Jae Sim;Hwang, Young Hui;Kim, Yongbum;Ryu, Jae Geum;Kim, Mi Kyung;Choi, So-Eun;Park, Myung Sook;Lee, Hyangkyu;Lee, Kyung-Sook;Choi-Kwon, Smi
Journal of Korean Biological Nursing Science
/
v.20
no.1
/
pp.47-53
/
2018
Purpose: The purpose of this study was to investigate the extent and the nature of biological nursing science education for clinical nurses in general hospital. Methods: Five advanced general hospitals located in Seoul and Gyeonggi province were conveniently sampled. Contents of education for nurses conducted by the hospital nursing department from January 1 to December 31 of 2015 were collected. Contents of education included biological nursing science and the scope of inclusion and time of assignment were analyzed. Results: A total of 271 cases of nursing education data were collected and 223 cases were analyzed after excluding 48 cases whose contents were not confirmed. Biological nursing science was included in the contents of education for 117 cases (52.5%), but not for 106 cases (47.5%). Regarding the frequency of the biological nursing science education contents, 'pathophysiology'was the most frequently included (n= 286), followed by 'structure and function of the human body' (n= 191), 'mechanisms and effects of drugs' (n= 114) and 'clinical microbiology' (n= 43). Conclusion: Results of this study confirmed that the education for clinical nurses included a lot of biological nursing science related contents. These results can be used as basis for the development of curriculum and training course for nurses.
Purpose: Chloral hydrate is a common drug frequently used for procedural sedation. But data on chloral hydrate use in the newborns are limited. This study examined the frequency of adverse effects of chloral hydrate and factors related to the adverse effects. We also examined if there were additional adverse effects when an additional sedative was used. Methods: The medical records of 104 patients admitted to neonatal intensive care unit of Seoul St. Mary's Hospital from March 2010 to February 2011 who used chloral hydrate for procedural sedation were retrospectively reviewed. Results: Adverse effects after administration of chloral hydrate were noted in 41.3% of the 104 patients. The adverse events included oxygen desaturation (18.8%), increase in apneic episodes (17.5%), increase in bradycardia (10%), and feeding intolerance (3.8%). Using oxygen at the time of chloral hydrate administration was independently associated with adverse effects (odds ratio [OR], 10.911: 95% confidence interval [CI], 2.082-57.178) and with the necessity for an additional sedative after administration of chloral hydrate (OR, 4.151: 95% CI, 1.455-11.840). Using one additional sedative agent after chloral hydrate showed no difference in adverse effects except feeding intolerance. Conclusion: Patients dependent on oxygen at the time of chloral hydrate administration may were found to be at higher risk for adverse effect of chloral hydrate and for an additional sedative. When an additional sedative is needed, it could be used with monitoring feeding intolerance after chloral hydrate administration.
This study is a sensitivity analysis of the parameters which affect the simulation results under various design rainfall conditions, using the SWMM model, for three selected basins in urban areas. The sensitivity of the peak flow rate is defined by $S_Q$ (=1.0 - (min. ratio of peak flow rate/max. ratio of peak flow rate)), and the rainfall conditions are classified in terms of design rainfall frequency, duration, and distribution. The simulation results show that in most conditions the parameters - the impermeable area ratio, the sewer slope, and the initial infiltration capacity - have more significant effects on the results than other parameters. As the design rainfall frequency increases, the sensitivity of the sewer slope and sewer roughness increases, while the parameters related with the surface runoff decrease. When the rainfall duration increases, the sensitivities of most parameters of surface runoff and sewer flow decrease. Also, at the 1st quarterly Huff rainfall distribution condition, the impermeable area ratio has high sensitivity, but at the 4th quarterly condition the parameters related with sewer flow show higher sensitivities. These tendencies can be explained by considering the procedure for computing the effective rainfall and kinematic wave on the surface and sewer flow.
We have studied general orientational characteristics of microcracks distributed in Bulgugsa Granites of southwestern Gyeongsang Basin. Microcracks of 131 sets, which were developed on horizontal surfaces of II rock samples collected from Sacheon-Gosung, Geoje-si and Namhae-gun areas, were distinguished by image processing. Then, 45 sets with a distinct linear array on image were sorted out. These microcracks can be comparable with vertical grain planes. Orientations of these microcracks were compared with those of vertical rift and grain planes developed in Cretaceous and Jurassic granites of Korea. In the distribution chart, the agreement of the distribution pattern between microcracks of 45 sets and above vertical planes suggests that microcrack systems developed all over the study area also occur regionally in Cretaceous and Jurassic granites of Korea. Whole domain of the directional angle-frequency chart can be divided into 20 domains in terms of the phases of the distribution of microcracks. Meanwhile, 18 domains from 45 sets of microcracks were compared with the maximum principal stress orientations suggested from previous studies. The majority of maximum principal stress orientations pertain to domain $1{\sim}2$, $5{\sim}6$, $11{\sim}15$, $17{\sim}18$ and $19{\sim}20$, and these domains are coincident with the orientation of the 1st and 2nd-frequency orders represented in a rose diagram for 45 sets of microcracks. Representative orientations of open microcrack reflect the maximum principal stress orientations suggested in previous studies.
Due to the global climate change, the rainfall volume and frequency on the Korean Peninsula are predicted to increase at the end of the 21st century. In addition, impervious surface areas have increased due to rapid urbanization which has caused the urban water cycle to deteriorate. Green Infrastructure (GI) researches have been conducted to improve the water cycle soundness; the efficiency of this technique has been verified through various studies. However, there are still no suitable GI design guidelines for this aspect. Therefore, the rainfall scenarios are set up for each percentile (60, 70, 80, 90) based on the volume and frequency analysis using 10-year rainfall data (Busan Meteorological Station). After determining the GI areas for each scenario, the runoff reduction characteristics are analyzed based on Storm Water Management Model (SWMM) 10-year rainfall-runoff-simulations. The total runoff reduction efficiency for each GI areas are computed to have a range of 13.1~52.1%. As a results of the quantitative analysis, the design rainfall for GI is classified into the 80~85 percentile in the study site.
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