1.Aurvival rate of in vitro fertilized mouse embryos after slow cooling freezing.
Hak Soon KIM ; Shin Yong MOON ; Yoon Seok CHANG
Korean Journal of Obstetrics and Gynecology 1992;35(6):841-859
No abstract available.
Animals
;
Embryonic Structures*
;
Freezing*
;
Mice*
2.Artificial prosthesis of the knee joint combining with homogenous bone transplantation
Hak Hyun KIM ; Chi Sun YOON ; Yung Ho YOO
The Journal of the Korean Orthopaedic Association 1978;13(1):21-47
Here, we report a case of artificial prosthesis of the knee joint combining with homogenous bone transplantation for the treatment of giant cell tumor of the right distal femur. At one year follow up, the patient complains almost no pain nor tenderness at operative site and ambulates with partial weight bearing with crutches. The X-ray finding shows satisfactory bony union with progressive bony remodelling.
Bone Transplantation
;
Crutches
;
Femur
;
Follow-Up Studies
;
Giant Cell Tumors
;
Humans
;
Knee Joint
;
Knee
;
Prostheses and Implants
;
Weight-Bearing
3.A Clinical Study of Femoral Neck Fracture
Sang Won PARK ; Hak Yoon KIM ; Hong Kun LEE
The Journal of the Korean Orthopaedic Association 1989;24(4):1025-1034
We analysed forty-six cases of femoral neck fracture treated with internal fixation and followed for more than one year at Korea University Hospital from January 1979 to June 1986 and the following results were obtained. 1. Sex distribution was 23 cases(50%) male and 23 cases(50%) female, and average age was sixty years old (range from 21 to 91 years). 2. The most common cause of injury was slip down(76%). 3. The most common type of fracture was Garden's type III(46%) and Pauwels' type III (67%). 4. In cases of internal fixation, the most commonly used method was closed reduction and multiple pinning under the local aneshtesia(83%). 5. Bony union was established within 5.9 months in average. 6. Among forty six cases, 7 cases(15%) of avascular necrosis, 4 cases(9%) of malunion, and 2 cases(4%) of nonunion was occurred. 7. The clinical results were excellent in twenty cases(43%), good in sixteen cases(35%), fair in seven cases(15%), and poor in three cases(7%) according to Lunceford's assessment.
Clinical Study
;
Female
;
Femoral Neck Fractures
;
Femur Neck
;
Humans
;
Korea
;
Male
;
Methods
;
Necrosis
;
Sex Distribution
4.Clinical Analysis of Common Peroneal Nerve Repair
Kwang Suk LEE ; Hak Yoon KIM ; Yong Kyung CHOI
The Journal of the Korean Orthopaedic Association 1994;29(2):722-727
Common peroneal nerve injury has been reported as the most frequent lower extremity peripheral nerve injury. The peroneal nerve may be particulary prone to direct or indirect injury by penetrating trauma or external compression by it's superficial route to bony prominence of fibular neck. By the development of microsurgical technique, recently epineural repair, fascicular group repair, and interfascicular graft were tried. The authors have experienced five cases microsurgical repair of common peroneal nerve injury around the knee joint from December 1990 to November 1991, and motor and sensory result was relatively good.
Knee Joint
;
Lower Extremity
;
Neck
;
Peripheral Nerve Injuries
;
Peroneal Nerve
;
Transplants
5.Lead Concentrations of Pigeon's Tissue as Indicator of Lead pollution in Air and Soil.
Yung Woo BYUN ; Tae Yoon HWANG ; Jung Jeung LEE ; Chang Yoon KIM ; Jong Hak CHUNG
Korean Journal of Preventive Medicine 1996;29(1):15-26
It has been studied that a variety of fauna and flora are sensitive biological indicators which reflect the severity of regional pollution of heavy metals, but in the center of part of Taegu city the controversial issue of lead poisoning attributable to the atmosphere which contains an increased concentrations of lead has been raised recently, it is usually hard to find suitable plants or animal in the areas with heavy traffic. Pigeons are ubiquitous in and around Taegu city area, inhabiting even the most densely populated areas with heavy traffic with its small body size, high metabolic turnover, and rather limited mobility, a pigeon, as a biological indicator is expected. This study was conducted to monitor lead pollution in the Taegu and kyongju city in Korea. We measured the lead content of the various tissue of three groups of feral pigeon(Columbia livia) and soil and atmospheric lead concentration. First group was obtained io heavy traffic area in Taegu City, the second group was obtained a park in Taegu city and the third group was obtained light traffic area in kyongju city. The air and soil lead concentration of heavy traffic area in Taegu city was 0.11 microgram/m2, 4.96 microgram/g, that of park in Taegu city was 0.05 microgram/m3, 2.65 microgram/g and that of light traffic area in kyonngju city was 0.03 microgram/m3, 0.01 microgram/g. The lead content of lung, blood, kidney, femur and liver of feral pigeons in heavy traffic area in Taegu city was significantly higher than pigeons obtained in a park in Taegu city and low traffic density area in Kyonfju city(p<0.01). But stomach lead content of three group did not reflect a significant difference. In this study positive correlation was found between atmospheric lead concentrations and the concentration of lead in the pigeon's lung(r=0.5040, p<0.001), blood(r=0.3322, p<0.01), kidney(r=0.4824, p<0.001), femur(r=0.7214, p<0.001) and liverer (r=0.4836, p<0.01). we can also found positive correlation between soil lead concentrations and the concentration of lead in the pigeon's femur(r=0.4850, p<0.001), kidney(r=0.4850, p<0.001) and liver(r=0.4386, p<0.01). In the pigeon`s tissue there were significant correlations between concentration of lead in the blood and kidney(r=0.4818, p<0.001), femur(r= 0.6157, p<0.001) and liver(r=0.3889, p<0.001). In conclusion, at the heavy traffic area in Taegu city, lead concentrations found in the atmosphere and soil are reflected in the lead concentrations of different tissue of urban pigeons. It is suggested that the tissue of pigeons can be good biological indicators of environmental lead pollution.
Animals
;
Atmosphere
;
Body Size
;
Columbidae
;
Daegu
;
Femur
;
Gyeongsangbuk-do
;
Kidney
;
Korea
;
Lead Poisoning
;
Liver
;
Lung
;
Metals, Heavy
;
Soil*
;
Stomach
6.A Case of Paroxysmal Atrial Fibrillation before Induction of General Anesthesia in an Elderly Patient.
Sang Cheol PARK ; Tae Yoon KIM ; Chae Sik YOON ; Jun Hak LEE
Journal of the Korean Geriatrics Society 2003;7(4):367-371
Atrial fibrillation(AF) diagnosed by fibrillatory waves of atrial activity and an irregular ventricular response on ECG is a common arrhythmia associated with increased cardiovascular morbidity and mor- tality. The incidence of AF increases markedly with advancing age and the presence of congestive heart failure. Most patients with AF can be attributed to organic heart disease such as rheumatic, atherosclerotic and hypertensive heart disease. But there is an increasing awareness of so-called lone AF which has no underlying cardiac or metabolic abnormality. We report a case of paroxysmal AF developed just before the induction of anesthesia in a 73-year-old patient who had no history of cardiovascular disease.
Aged*
;
Anesthesia
;
Anesthesia, General*
;
Arrhythmias, Cardiac
;
Atrial Fibrillation*
;
Cardiovascular Diseases
;
Electrocardiography
;
Heart Diseases
;
Heart Failure
;
Humans
;
Incidence
7.Comparison of medical care utilization patterns between beneficiaries of medical aid and medical insurance.
Bok Youn KIM ; Seok Beom KIM ; Chang Yoon KIM ; Pock Soo KANG ; Jong Hak CHUNG
Yeungnam University Journal of Medicine 1991;8(2):185-201
A household survey was conducted to compare the patterns of morbidity and medical care utilization between medical aid beneficiaries and medical insurance beneficiaries. The study population included 285 medical aid beneficiaries that were completely surveyed and 386 medical insurance beneficiaries selected by simple random sampling from a Dong (Township) in Taegu. Well-trained surveyors mainly interviewed housewives with a structured questionnaire. The morbidity rates of acute illness during the 15-day period, were 63 per 1,000 medical aid beneficiaries and 62 per 1,000 medical insurance beneficiaries. The rates for chronic illness were 123 per 1,000 medical beneficiaries and 73 per 1,000 medical insurance beneficiaries. The most common type of acute illness in medical aid and medical insurance beneficiaries was respiratory disease in medical aid beneficiaries, musculoskeletal disease was most common, but in medical insurance beneficiaries, gastrointestinal disease was most common. The mean duration of acute illness of medical aid beneficiaries was 3.8 days and that of medical insurance beneficiaries was 6.8 days. During the one year period, mean duration of medical aid beneficiaries chronic illnesses was 11.5 months which was almost twice as long compared to medical insurance beneficiaries. Pharmacy was most preferable facility among the acute illness patient in medical aid beneficiaries, but acute cases of medical insurance beneficiaries visited the clinic most commonly. Chronic cases of both groups visited the clinic most frequently. There were some findings suggesting that much unmet need existed among the medical aid beneficiaries. In acute cases, the average number of days of medical aid users utilized medical facilities was less than medical insurance users. On the other hand, the length of medical care utilization of chronic cases was reversed. Geographical accessibility was the most important factors in utilization of medical facilities. Almost half of the study population answered the questions about source of funds on medical security correctly. Most respondents considered that the objective of medical security was affordability. The chief complaint on hospital utilization was the complicated administrative procedures. These findings suggest that there were some problems in the medical aid system, especially in the referral system.
Chronic Disease
;
Daegu
;
Family Characteristics
;
Financial Management
;
Gastrointestinal Diseases
;
Hand
;
Humans
;
Insurance Benefits
;
Insurance*
;
Musculoskeletal Diseases
;
Pharmacy
;
Referral and Consultation
;
Surveys and Questionnaires
8.A case of sertoli - leydig cell tumor.
Jong Hyeok KIM ; Jin Hak KIM ; Yoon Seok CHANG ; Ghee Young CHOE ; Woo Ho KIM
Korean Journal of Obstetrics and Gynecology 1993;36(7):1704-1710
No abstract available.
Leydig Cell Tumor*
9.Results of Posterior Cruciate Retained Total Knee Arthroplasty in Patients with Flexion Deformity: In Comparison with Posterior Stabilized Type.
Yong Hoon KIM ; Keun Woo KIM ; Hak Jin MIN ; Eui Seoung YOON ; Sang Lim KIM ; Yoon Jong KIM
Journal of the Korean Knee Society 2001;13(2):142-147
No Abstract Available.
Arthroplasty*
;
Congenital Abnormalities*
;
Humans
;
Knee*
10.Morbidity pattern of residents in urban poor area by health screening.
Chang Yoon KIM ; Jun SAKONG ; Seok Beom KIM ; Pock Soo KANG ; Jong Hak CHUNG
Yeungnam University Journal of Medicine 1991;8(2):150-157
The purpose of this study was to assess the morbidity pattern of urban residents in the poor area by health screening for the community diagnosis. The items of health screening were history taking and physical examination by medical doctor and hearing test, check blood pressure, test for hematocrit, liver function (sGOT, sGPT), urine sugar and protein, and chest X-ray. The examinee in health screening were 437 persons and they occupied 16.9% of total residents in the poor area. Male examinee were 129 persons (9.9% of total residents) and female examinee were 308 persons (23.9% of total residents). Age group of above sixty years old, 42.0% of total residents in the poor area were participated, but only 5.9% were participated in age group of 10 to 19 years old. Among the 437 examinee, 191 persons (43.7%) had one or more abnormal findings in health screening. In male 38.7% had abnormal findings, and somewhat lower than that of female (45.8%). Age group of above sixty years had most high rate of abnormal findings (69.8%), in contrast to age group of 10 to 19 years old (10.9%). Diseases of the digestive system was the most common and which occupies 23.7% of total abnormal findings. And diseases of the circulatory system occupied 19.7%. Low hematocrit (14.6% of total participants of 437 persons) occupies the most common abnormal findings for screening test (hematocrit, blood pressure, hearing test, sGOT/sGPT, urine protein and urine sugar, chest X-ray) and high blood pressure (10.1%) occupied second, third; hearing impairment (5.5%), fourth; abnormal liver function (4.1%), fifth; sugar in urine (2.3%), sixth; protein in urine (1.4%) and lastly abnormal chest X-ray (0.9%). The positive rate of abnormal findings in health screening was very high compared with morbidity rate by health interview. It is supposed that some portion of this high rate is by selection bias in examinee in health screening specially high participating rate in older age, and the other portion is due to the low socioeconomic status and bad environment of the residents of the poor area. These findings will be good information for the research and development of health care system in the urban poor area.
Blood Pressure
;
Delivery of Health Care
;
Diagnosis
;
Digestive System
;
Female
;
Hearing Loss
;
Hearing Tests
;
Hematocrit
;
Humans
;
Hypertension
;
Liver
;
Male
;
Mass Screening*
;
Physical Examination
;
Selection Bias
;
Social Class
;
Thorax