1.An Experimental Study and Clinical Investigation on Rotational Deformity in Supracondylar Fracture of the Humerus in Children
Chang Ju LEE ; Won Ho CHO ; Kwang Hyun LEE ; Ho Guen CHANG ; Hyun Cheol YANG
The Journal of the Korean Orthopaedic Association 1990;25(4):1097-1106
In children, the supracondylar fractures of the humerus are common in elbow region, and often associated with various complications and problems in treatment (ie,Volkmann's ischemic contracture, cubitus valgus or varus deformity, rotational deformity). The results of reduction can be measured by Baumann's angle, carrying angle, trochlea-capitellum angle, and displacement of distal radial styloid process on radiological study. So we have made experiments on the process which various three dimensional displacements reflected into two dimensional Baumann's angle and humerocapitellar angle. And we investigated the process of rotation, through various radiological studies by means of molded models of humerus. The results were as follows:l. In experiments, AP & lateral X-ray studies showed no change in rotation of proximal segment of fracture with fixed distal segment of fracture. 2. On the other hand, AP & lateral X-ray showed significant change, in rotation of proximal fracture segment with distal segment of fracture. 3. Supracondylar rotation angle(S.R.A.)depicted as the ratio of the length of proximal fracture width minus that of the distal fracture width in lateral view, to the length of distal fracture width in AP view minus that of the distal fracture width in lateral view. 4. According to the modified Mitchell result, S.R.A. to the result of treatment was average 7.6 degree in excellent group, 15.2 degree in good group and 29.3 degree in unsatisfactory group.
Child
;
Congenital Abnormalities
;
Elbow
;
Fungi
;
Hand
;
Humans
;
Humerus
;
Ischemic Contracture
2.Genetic Heterogeneity in 56 kDa gene of Orientia tsutsugamushi Genotype Karp.
Woo Hyun CHANG ; Sun Ho KEE ; Hyun Jae SONG
Journal of the Korean Society for Microbiology 1997;32(4):415-420
The type-specific PCR and the sequence analysis of 56 kDa gene of Orientia tsutsugamushi infected in field rodents specimens have shown intratypic genetic heterogeneity in genotype Karp. In sequence comparison, this genetic heterogeneity was mainly due to insertion or deletion of a repeated unit in variable domain I (VDI) region. These results suggested that genetic duplication or deletion of the specific sequence rnight be involved in intratypic genetic heterogeneity of Orientia tsutsugamushi.
Genetic Heterogeneity*
;
Genotype*
;
Orientia tsutsugamushi*
;
Polymerase Chain Reaction
;
Rodentia
;
Sequence Analysis
3.An experimental study for calculation of cross sectional area and volume in various objects using auto-CAD(computer aided design).
Chang Ju LEE ; Won Ho CHO ; Ho Guen CHANG ; Su Jung CHOI ; Hyun Cheol YANG
The Journal of the Korean Orthopaedic Association 1991;26(6):1864-1871
No abstract available.
4.5 Year Survival Rate and Prognostic Factors of Renal Cell Carcinoma According to the TNM Stages Defined in 1997.
Eun Ho SON ; Chang Kyu LEE ; Hyun Yul RHEW
Korean Journal of Urology 2000;41(1):15-22
No abstract available.
Carcinoma, Renal Cell*
;
Survival Rate*
5.Surgical treatment of pulmonary atresia with intact ventricular septum without extracorporeal circulation: report of one case.
Chul Hyun PARK ; Shin Yeong LEE ; Chang Ho KIM
The Korean Journal of Thoracic and Cardiovascular Surgery 1991;24(7):719-724
No abstract available.
Extracorporeal Circulation*
;
Pulmonary Atresia*
;
Ventricular Septum*
6.Diagnosis and treatment of facial asymmetry.
Choong Kook YI ; Hyun Ho CHANG ; Hee Kyung KIM
Journal of the Korean Association of Oral and Maxillofacial Surgeons 1991;17(3):1-10
No abstract available.
Diagnosis*
;
Facial Asymmetry*
7.Diagnosis and treatment of facial asymmetry.
Choong Kook YI ; Hyun Ho CHANG ; Hee Kyung KIM
Journal of the Korean Association of Oral and Maxillofacial Surgeons 1991;17(3):1-10
No abstract available.
Diagnosis*
;
Facial Asymmetry*
8.Management of atrial septal defect in patients ages 35 years or older.
Chul Hyun PARK ; Sang Joon OH ; Chang Ho KIM
The Korean Journal of Thoracic and Cardiovascular Surgery 1991;24(12):1161-1166
No abstract available.
Heart Septal Defects, Atrial*
;
Humans
9.Ultrastructural changes in the cardiac myocyte and the extracellular space in different duration of ischemia.
Ho Dirk KIM ; Bong Jin RAH ; Choong Hyun CHANG
Korean Journal of Anatomy 1992;25(1):91-103
No abstract available.
Extracellular Space*
;
Ischemia*
;
Myocytes, Cardiac*
10.Dupuytren's Contracture: Report 3 cases
Chong Ho CHANG ; Bong Hyun KO ; Myung Sang MOON
The Journal of the Korean Orthopaedic Association 1972;7(1):141-145
Three cases of Dupuytrens contracture which developed in hands were reported along with review of literatures. Partial fasciectomy was done as the choice of treatment for them to improve impairment of function of the hands. No attributable causes for the developement of the disease were found.
Dupuytren Contracture
;
Hand
Result Analysis
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