1.Occupational Disease Surveillance System: Planning and Management.
Soo Hun CHO ; Yun Chul HONG ; Jong Han LEEM ; Seong Sil CHANG ; Byung Chul CHUN
Korean Journal of Occupational and Environmental Medicine 2001;13(1):10-17
No abstract available.
Occupational Diseases*
2.Arthrography in Legg-Calve-Perthes disease(LCPD).
Joo Chul IHN ; Byung Chul PARK ; Young Goo LYU ; Chang Pyo BAE
The Journal of the Korean Orthopaedic Association 1993;28(4):1405-1412
No abstract available.
Arthrography*
3.The Injury Severity Score The Injury Severity Score of Mass Casualty (Train Accident at Kyungsan, May 14 th, 1981)
Byung Chul PARK ; Ik Dong KIM ; Soo Young LEE ; Joo Chul IHN ; Chang Ho LEE
The Journal of the Korean Orthopaedic Association 1982;17(6):1071-1079
Injuries are serious problem common to all societies. Yet even within a single community, groups of injured persons differ as to the nature and severity of their injuries. The difficulty of adjusting for such variations has hampered scientific study of injured persons. Neverthless it is essential to take differences in severity of injury into account when comparing the morhidity & mortality of various groups for the purpose of evaluating their emergency & subsequent care. In order to provide the guidelines of mass emergency care & transportation, the authors analysed the 206 injured patients of train accident at Kyungsan, May 14th, 1981 and compared mortality with severity and body system of the injuries. The results were obtained as follows: l. Of 206 injured patients, most were young people & the ratio of male & female was about equal. 2. Extremities were the most frequently injured parts of body system & single injury was more common. 3. According to most severe injury of AIS, 78% of injured persons belonged to below AIS grade 3 and none was dead. 4. Average ISS of survival groups was 6 and that of death groups was 34. None was dead below average ISS of 15. 5. Death rate was higher for patients above 50 years of age, than that for young patients and there was no age difference in mortality for ISS of 50 and higher. 6. Majority of death group were invclved in multiple injuries and major cause of death were chest and head injuries. 7. Average ISS and age of hospital death group were less than those of DOA group. 8. The authors thought that it was necessary to estahlish Emergency Service System including training and education of both professionals and the pulic, hospital categorization, communication and transportation system for the mass emergency care.
Cause of Death
;
Craniocerebral Trauma
;
Education
;
Emergencies
;
Emergency Medical Services
;
Extremities
;
Female
;
Gyeongsangbuk-do
;
Humans
;
Injury Severity Score
;
Male
;
Mass Casualty Incidents
;
Mortality
;
Multiple Trauma
;
Thorax
;
Transportation
4.Rectal Leiomyosarcoma: Report of Two Cases.
On Koo CHO ; Hyun Chul RHIM ; Byung Hee KOH ; Chang Kok HAHM ; Jung Hwan BAEK
Journal of the Korean Radiological Society 1994;31(3):511-514
PURPOSE: To evaluate the radiologic manifestations of the rectal leiomyosarcoma. MATERIALS AND METHODS: We reviewed CT and barium study of 2 cases of rectal leiomyosarcoma, which were operated and pathologically proved. RESULTS: In both cases colon studies showed a huge smooth marginated filling defect in the rectum. Precontrast CT scans showed a well-circumscribed, slightly Iobulated, inhomogeneous mass without calcification. Postcontrast scans showed minimal enhancement with internal low-density areas. In pathologic specimens there were large areas of necrosis and hemorrhage in the masses. Pericolic fat infiltration, lymph node metastasis, or distant metastasis were not detected. CONCLUSION: Leiomyosarcoma is rarely developed in the rectum, but general radiologic findings are similar to that of other part of the gastrointestinal tracts except for the tendency of intraluminal growth due to narrow pelvic space.
Barium
;
Colon
;
Gastrointestinal Tract
;
Hemorrhage
;
Leiomyosarcoma*
;
Lymph Nodes
;
Necrosis
;
Neoplasm Metastasis
;
Rectum
;
Tomography, X-Ray Computed
5.The association of Vitamin D and Parathyroid Hormone with Bone Mineral Density in Korean Postmenopausal Women.
Won Cheol CHANG ; In Soon KWON ; Byung Joo PARK ; Sang Hoon BAE ; Sang Chul PARK
Journal of the Korean Geriatrics Society 2003;7(3):194-205
BACKGROUND: Osteoporosis results from bone loss due to menopause [estrogen(E) deficiency] and aging. Initial skeletal effect of menopause is accelerated bone resorption with an increase in seurm calcium(Ca) and compensatory but inadequate bone formation. Secretion of parathyroid hormone(PTH) is suppressed at this time. Postmenopausal osteoporosis results in fractures predominantly of trabecular bone, i.e., vertebra. With aging, secondary hyperparathyroidism by low serum Ca and vitamin D deficiency superim poses. Senile osteoporosis produces hip fractures, area of cortical bone. The aim of this study was to- examine the association of vitamin D[25(OH)D] and intact(i) PTH with bone mineral density(BMD) after controlling for suggested confounding factors, and the possibility of low serum vitamin D and high serum iPTH concentration could impact bone loss in Korean postmenopausal women. METHODS: Data from 188 postmenopausal Korean women aged 42 to 69 were analyzed through BMD, serum 25(OH)D, iPTH, Ca, phosphorus(P), alkaline phosphatase(ALP) and clinical characteristics. Factors affecting BMD was determined by Pearson correlation and the relationship between lumbar and femoral neck BMD and vitamin D[25(OH)D] and iPTH was assessed by multiple regression analysis after adjus- ting for suggested confounding factors. RESULTS: Lumbar and femoral neck BMD, serum Ca, P were decresaed and serum iPTH was increased with aging. In Pearson`s correlation, significant contributing factors to lumbar BMD was age, height, weight, menarche, year since menopause(YSM) and ALP. And significant contributing factors to femoral neck BMD was age, height, weight, menarche, YSM and iPTH. No relationship could be demonstrated between serum vitamin D[25(OH)D] and lumbar and femoral neck BMD. How ever, after controlling for potential confounding factors, a correlation was found between vitamin D[25(OH)D] and both of lumbar (p=0.013) and femoral neck BMD(p=0.077). iPTH was inversely related to femoral neck BMD(p=0.004) only in multiple linear regression. CONCLUSION: Serum vitamin D[25(OH)D] was influencing both of vertebral and femoral neck BMD, which suggests a significant role of vitamin D deficiency in the pathogenesis of postmenopausal osteo- porosis. In age related remodeling and loss of bone, increased serum iPTH might have additive role in cortical bone of femur. These findings suggest that vitamin D is very important for optimal bone health and a deleterious effect of increased iPTH on cortical bone loss. Adequate calcium and vitamin D status have to be maintained to prevent osteoporosis in postmenopausal Korean women.
Aging
;
Bone Density*
;
Bone Resorption
;
Calcium
;
Female
;
Femur
;
Femur Neck
;
Hip Fractures
;
Humans
;
Hyperparathyroidism, Secondary
;
Linear Models
;
Menarche
;
Menopause
;
Osteogenesis
;
Osteoporosis
;
Osteoporosis, Postmenopausal
;
Parathyroid Hormone*
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Spine
;
Tolnaftate
;
Vitamin D Deficiency
;
Vitamin D*
;
Vitamins*
6.Short-term and intermediate-term follow-up after valve replacement with the St. Jude Medical prosthesis.
Bum Koo CHO ; Byung Chul CHANG ; Meyun Shick KANG ; Jung Hyun BANG ; Sung Nok HONG
The Korean Journal of Thoracic and Cardiovascular Surgery 1992;25(1):57-65
No abstract available.
Follow-Up Studies*
;
Prostheses and Implants*
7.The effect of oxygenated crystalloid cardioplegia for myocardial protection.
Meyun Shick KANG ; Jae Min CHO ; Byung Chul CHANG ; Bum Koo CHO
The Korean Journal of Thoracic and Cardiovascular Surgery 1992;25(11):1203-1208
No abstract available.
Heart Arrest, Induced*
;
Oxygen*
8.Mediastinal lipoma: one case report.
Chang Lyul MYUNG ; Ho Seung SHIN ; Byung Joo KIM ; Hee Chul PARK ; Ki Woo HONG
The Korean Journal of Thoracic and Cardiovascular Surgery 1992;25(8):795-799
No abstract available.
Lipoma*
9.Characteristics of Training Materials for Successful Microvascular Anastomosis and Preclinical Assessment of The Surgical Skills.
Chul Hoon CHANG ; Byung Yun CHOI
Korean Journal of Cerebrovascular Surgery 2007;9(4):243-246
The need for microvascular anastomosis is on the increase for the prevention or treatment of hemodynamic stroke or planned major vessel occlusion for the treatment of complex intracranial vascular lesions or tumors. The surgical skill of the microsurgeon is the most important factor for successful microvascular anastomosis. Thus, surgical experience in the laboratory is essential. With a review of the literature, we demonstrate characteristics of several training materials for the laboratory and preclinical assessments of surgical skills.
Hemodynamics
;
Stroke
10.A Case of Thromboembolic Complication in Right Common Iliac Artery in a Child with Minimal Change Nephrotic Syndrome.
Pyung Kil KIM ; Ji Hong KIM ; Hyun Joo NAM ; Byung Chul CHANG
Journal of the Korean Society of Pediatric Nephrology 1998;2(1):69-72
Eighty cases of malignant effusion were cytologically studied to elucidate the incidence of primary tumor site and cytologic characteristics of each tumor types. Eighty fluid specimens were composed of 43 ascitic, 35 pleural, and 2 pericardial effusion and primary tumor site had been confirmed by histology. The frequent primary sites were stomach (22 cases, 28%), lung (21 cases, 26%), ovary (11 cases, 14%), liver (7 cases, 9%), and breast (4 cases, 5%). The principal malignant tumors were adenocarcinoma (56 cases, 70%), squamous cell carcinoma (7 cases, 9%), liver cell carcinoma (7 cases, 9%), small cell carcinoma (4 cases, 5%), and non-Hodgkin's lymphoma (4 cases, 5%). The distinctive cytologic findings according to primary tumor types were as follows; the gastric adenocarcinomas were mainly characterized by isolated cells and irregular clusters sometimes with signet ring cells. Papillary serous cystadenocarcinoma of ovary showed frequently papillary clusters and occasional psammoma bodies. Breast carcinoma of ductal type showed cell balls with smooth margins. Colonic adenocarcinoma showed rather irregular clusters o palisading pattern of cylindrical cells. Metastatic squamous cell carcinoma, liver cell carcinoma, small cell carcinoma, and non-Hodgkin's lymphoma showed also characteristic features. These findings indicate that the cytological features observed in the great majority of malignant effusion are similar to those of primary tumor types, which are very helpful to indentify the primary tumor site.
Adenocarcinoma
;
Breast
;
Breast Neoplasms
;
Carcinoma, Hepatocellular
;
Carcinoma, Small Cell
;
Carcinoma, Squamous Cell
;
Child*
;
Colon
;
Cystadenocarcinoma, Serous
;
Diagnostic Errors
;
Female
;
Granuloma, Plasma Cell
;
Humans
;
Iliac Artery*
;
Incidence
;
Liver
;
Lung
;
Lymphoma, Non-Hodgkin
;
Nephrosis, Lipoid*
;
Ovary
;
Pericardial Effusion
;
Stomach