1.A Clinical Study on the Diaphyseal Fractures Treated with Compression Plate
Jang Seok CHOI ; Moon Sik HAHN ; Jay Suk CHANG
The Journal of the Korean Orthopaedic Association 1980;15(4):675-682
Most orthopedic surgeons were aimed at the rigid internal fixation on the surgical treatment of the fracture. And the compression plate was developed and regarded as an excellent rigid internal fixation device by its advantages of accurate anatomical reduction, early joint mobilization and shortening of the duration of the fracture healing, which are chief aim of A.S.I.F. method. During the period of January 1970 to December 1979, 67 cases of diaphyseal fractures of the long bones were treated with compression plate according to A.S.I.F. method at the Department of Orthopedic Surgery, College of Medicine, Seoul National University and results were obtained as follows: 1. The age of patient was ranged from 15 to 77, and the highest incidence was in the 3rd decade male group (31.4%). 2. Old fracture cases were slightly more than fresh cases, and the fresh femur fracture was the commonest. 3. The periods of the postop immobilization of fresh fractures were 3.7 weeks in humerun fracture, 6.3 weeks in forearm fractures, 8.7 weeks in femur fracture and 7.0 week in tibia fracture, and in old fractures about 4 weeks was longer than fresh fractures. 4. The bony union was accomplished in all cases between 8 week and 24 week. 5. The complication were 4 superficial infections, 4 deep infections, 1 delayed union and 9 joint stiffnesses. 6. Compression plate fixation is considered as an excellent method for the treatment of the fractures of the long bones.
Clinical Study
;
Femur
;
Forearm
;
Fracture Healing
;
Humans
;
Immobilization
;
Incidence
;
Internal Fixators
;
Joints
;
Male
;
Methods
;
Orthopedics
;
Seoul
;
Surgeons
;
Tibia
2.Early outcome of the treatments for chronic aortoiliac occlusive disease
Jae Suk CHOI ; Young Wook KIM ; Soo Il CHANG
Journal of the Korean Society for Vascular Surgery 1993;9(1):66-81
No abstract available.
3.The Effect of Education in Reducing Catheter-related Urinary Tract Infections in Intensive Care Units at a University Hospital.
Yun Jung CHANG ; Kyung A CHOI ; Hyun Kyung LEE ; Yeong Suk JIN ; Park Gun MIN ; Jin Young OH ; Eu Suk KIM
Korean Journal of Nosocomial Infection Control 2008;13(2):90-96
BACKGROUND: Urinary tract infections (UTIs) are the most frequent nosocomial infections and are frequently associated with indwelling urinary catheters. It is known that adherence to standard infection control measures for urinary catheters can reduce UTIs in hospitals. This study was performed to evaluate the effect of education in reducing catheter-related UTIs (CR-UTIs) in intensive care units (ICUs) of a university hospital. METHODS: CR-UTIs were prospectively monitored for all patients with indwelling urinary catheters in ICUs from July 2006 through December 2007. Recommendations based on previously known guidelines for catheter insertion, catheter management, and specimen collection to prevent CR-UTIs were formulated and educated in March 2007. Knowledge and adherence level were evaluated before and after educating healthcare workers about the recommendations using questionnaire. Changes in knowledge and adherence level before and after education were compared by Chi-square test. Changes in the rate of CR-UTIs and urinary catheter utilization ratios were also analyzed by Fisher's exact test. RESULTS: After education, knowledge level of and adherence level to most of the recommendations were improved significantly. The rate of CR-UTIs significantly decreased by 48% from 7.43/1,000 catheter-days before intervention to 3.87/1,000 catheter-days after intervention (P=0.02). CONCLUSION: Surveillance for nosocomial infections and education for standard infection control measures are very important in preventing CR-UTIs in ICUs.
Catheters
;
Cross Infection
;
Delivery of Health Care
;
Humans
;
Infection Control
;
Critical Care
;
Intensive Care Units
;
Prospective Studies
;
Specimen Handling
;
Urinary Catheterization
;
Urinary Catheters
;
Urinary Tract
;
Urinary Tract Infections
;
Surveys and Questionnaires
4.The relationship between changes in serum insulin-like growth factor profiles and changes in bone mineral density in postmenopausal women receiving hormone replacement therapy.
Seok Hyun KIM ; Young Min CHOI ; Chang Suk SUH ; Jung Gu KIM ; Chan Soo SHIN
Korean Journal of Obstetrics and Gynecology 2000;43(1):26-31
PURPOSES: To evaluate the effect of hormone replacement therapy(HRT) on serum insulin-like growth factors(IGFs) levels and to investigate if changes in serum IGFs reflect changes in BMD after HRT in postmenopausal women. MATERIAL & METHODS: IGF-I and IGF-II were measured by radioimmunoassay after Bio-spin P-10 seperation in sera obtained every 3 months from postmenopausal women who was taking premarin alone (premarin group; n=17) or premarin-medroxyprogesterone acetate(MPA group; n=42) for 1 year. Also, bone mineral density(BMD) were determined before and 1 year after HRT by dual energy X-ray absorptiometry(DEXA). All statistics were performed by Paired t-test, student's t-test, repeated measures ANOVA test, Pearson's coefficient. RESULTS: HRT increased BMD of the lumbar spine and proximal femur in both premarin group and MPA group, but any difference in degreee of increase in BMD was not noted between premarin group and MPA group. Compared with pretreatment levels, serum IGF-I levels decreased at 3, 6 and 12 months after therapy only in latter group whereas serum IGF-II levels increased at 6 and 12 months after HRT in both groups. Changes in serum IGF-I and IGF-II levels during therapy did not show any difference by the bone response to HRT. Changes in serum IGF-II levels after HRT did not correlated with the 1 year changes in BMD at any skeletal sites studied, but changes in serum IGF-I levels from pretreatment to 6 months after HRT was negatively correlated with change in BMD of Ward's triangle. CONCLUSION: HRT influences serum IGF levels in postmenopausal women and changes in serum IGF-I levels may predict the changes in BMD of Ward's triangle after HRT.
Bone Density*
;
Estrogens, Conjugated (USP)
;
Female
;
Femur
;
Hormone Replacement Therapy*
;
Humans
;
Insulin-Like Growth Factor I
;
Insulin-Like Growth Factor II
;
Postmenopause
;
Radioimmunoassay
;
Spine
5.A Survey of Hepatitis B Surface Antigen and Hepatitis B Surface Antibody Positivity in ROK Air Force Pilots.
Chan Kwon JUNG ; Tae Sung CHOI ; Chang Suk KANG
Korean Journal of Aerospace and Environmental Medicine 2002;12(3):140-145
OBJECTIVE: The aim of this study was to detect the prevalence of hepatitis B surface antigen (HBsAg) and hepatitis B surface antibody (anti-HBs) in The Republic of Korea Air Force (ROKAF) pilots, and to investigate the factors related to occupational exposure. METHODS: For 720 pilots who visited aeromedical center, ROKAF for general health screening from January, 2001 to August, 2002, HBsAg and anti-HBs were tested using passive hemagglutination and passive hemagglutination, respectively. If HBsAg results had been positive or vague, we performed confirmation test by ASAN Easy Test(R) HBs kit. RESULTS: The overall prevalence of HBsAg and Anti-HBs was 1.8% and 49.4%, respectively. HBsAg positivity was 0.0% in 20-24 years, 0.8% in 25-29 years, 1.1% in 30-34 years, 4.4% in 35-39 years, 1.5% in 40-44 years, 5.4% in 45-49 years, 5.3% in 50-54 years and significantly different below and above thirties (P=0.024). The prevalence of HBsAg in pilots was not different with general adults. Anti-HBs positivity was 100.0% in 20-24 years, 43.9% in 25-29 years, 57.1% in 30-34 years, 50.0% in 35-39 years, 62.1% in 40-44 years, 50.0% in 45-49 years, 73.7% in 50-54 years and significantly increased with age (44.2% in twenties, 53.6% in thirties, 58.9% in more than 40) (P=0.005). The pilots susceptible to HBV infection who were negative in both HBsAg and anti-HBs were found in 49.0% of entire subjects. CONCLUSION: The prevalence of HBsAg and anti-HBs in pilots was lower than in general adults. The pilots tendered to be more susceptible to HBV infection than general adults. Hepatitis B vaccine should be integrated into pilot health programmes.
Adult
;
Chungcheongnam-do
;
Hemagglutination
;
Hepatitis B Surface Antigens*
;
Hepatitis B Vaccines
;
Hepatitis B virus
;
Hepatitis B*
;
Hepatitis*
;
Humans
;
Mass Screening
;
Occupational Exposure
;
Prevalence
;
Republic of Korea
6.CT of mediastinal hemangioma: case report.
Seon Kwan JUHNG ; See Sung CHOI ; Byung Suk ROH ; Chang Guhn KIM ; Jong Jin WON
Journal of the Korean Radiological Society 1993;29(2):236-238
We decribe the CT findings in a case of mediastinal hemangioma. Precontrast enhanced CT demonstrated a homogeneous soft tissue mass with weveral nodular calcifications indicating phleboliths. Contrast enhanced CT revealed some areas of enhancement similar to that of adjacent vascular structures. Hemangiomas of the mediastinum, although rare, should be included in the differential diagnosis of enhancing mediastinal masses.
Diagnosis, Differential
;
Hemangioma*
;
Mediastinum
7.The Effects of Mutant p21 Protein on DNA & Protein Synthesis in the Cultured Colon Cancer Cell Lines.
Journal of the Korean Society of Coloproctology 1999;15(4):243-252
PURPOSE: The products of the ras oncogene are proteins of 188 or 189 amino acids and 21,000 molecular weights, termed simply p21 proteins. But the exact roles of c-ras proteins in cell proliferation and differentiation as well as in neoplastic transformation are little understood. The purpose of this study is to investigate the function of the p21 protein to the human colon cancer cell lines according to the exposure time and dosage of p21. METHODS: The authors divided tumor cell lines into 3 groups as follows; group 1 (control, colon cancer cell lines without administration of p21 or polyclonal antibody), group 2 (administration of p21 with labelling of 3H-thymidine and leucine), group 3 (simultaneous administration of p21 protein and polyclonal antibody with labelling of 3H-thymidine and 3H-leucine). After deciding the most effective dose of p21 protein and culture time with target cells in preliminary studies, the morphologic changes of target cells with administration of p21 protein and the p21 expression and interaction with anti-p21 polyclonal antibody were examined by phase contrast microscopy each other. RESULTS: The results were obtained as follows: 1. The most effective dose of the p21 with the colon cancer cell in increase uptake of 3H-thymidine and 3H-leucine were 50 ng but there were some differences in culture time of the 3H-leucine; 96 hours in SBA-1, 72 hours in HT-29 and 120 hours in SW-1116. 2. The increase uptakes of the 3H-thymidine by the different dosage of p21, 50 ng vs 200 ng were 131% (50 ng), 160% (200 ng) in SBA-1, 203% (50 ng), 123% (200 ng) in HT-29, and 127% (50 ng), 189% (200 ng) in SW-1116; and increase uptakes of 3H-leucine were 130% (50 ng), 159% (200 ng) in SBA-1, 113% (50 ng), 165% (200 ng), and 164% (50 ng), 169% (200 ng) in SW-1116. 3. There were some cellular proliferation and morphological changes of the colon cancer cells such as ruffling of the cell membrane, vesicle formation or rounding of the cell after administration of the mutant p21, but such changes were not observed after simultaneous administration of the mutant p21 and anti-p21 polyclonal antibody. CONCLUSIONS: The role of p21 protein has not been to make manifest wholly. In our study, the p21 protein induce the cell proliferation and morphological changes.
Amino Acids
;
Cell Line*
;
Cell Line, Tumor
;
Cell Membrane
;
Cell Proliferation
;
Colon*
;
Colonic Neoplasms*
;
DNA*
;
Genes, ras
;
Humans
;
Microscopy, Phase-Contrast
;
Molecular Weight
;
Proto-Oncogene Proteins p21(ras)
8.Transthoracic Fine Needle Aspiration Biopsy of Subcarinal Lesion: Oblique Approach Using Biplane Fluoroscopic Guidance.
Yo Won CHOI ; Sung Tae KIM ; Heung Suk SEO ; Seok Chol JEON ; Chang Kok HAHM
Journal of the Korean Radiological Society 1995;33(3):379-382
PURPOSE: To evaluate effectiveness of oblique approach under biplane fluoroscopic guidance in transthoracic fine needle aspiration biopsy. MATERIALS AND METHODS: Fourteen consecutive patients underwent transthoracic fine needle aspiration biopsy for subcarinal lesions. Subcarina was the only accessible biopsy site in 13 patients. Subcarinal biopsy was performed to determine the presence of metastasis in an enlarged subcarinal lymph node in the remaining one patient. Before biopsy, we evaluated the size and location of the lesion on preliminary plain chest X-ray film and CT scan. Under dual projection fluoroscopic guidence, biopsy was performed through right posterior intercostal space with the patient prone by using oblique approach. On 15 degree LAO projection the needle was directed to the area anterior to the spine and advanced to the line extending through the posterior wall of the main bronchus. RESULTS: Cytologic diagnosis was made in 12 out of 14 patients(accuracy 85.7%). The final diagnosis consisted of 5 squamous cell carcinoma, 5 small cell carcinoma, 1 adenocarcinoma and 1 adenosquamous carcinoma. Pneumothorax developed in 2 patients(14%) and was managed by chest tube drainage. Mild hemoptysis was observed in 2. CONCLUSION: Transthoracic fine needle aspiration biopsy using oblique approach under biplane fluoroscopic guidance is a relatively safe and sensitive method for the histologic diagnosis of subcarinal lesion.
Adenocarcinoma
;
Biopsy*
;
Biopsy, Fine-Needle*
;
Bronchi
;
Carcinoma, Adenosquamous
;
Carcinoma, Small Cell
;
Carcinoma, Squamous Cell
;
Chest Tubes
;
Diagnosis
;
Drainage
;
Hemoptysis
;
Humans
;
Lymph Nodes
;
Needles
;
Neoplasm Metastasis
;
Pneumothorax
;
Spine
;
Thorax
;
Tomography, X-Ray Computed
;
X-Ray Film
9.To cases of uterine prolapse combined with cervical carcinoma.
Kyung Il CHO ; Chul Hyun PRK ; Gui Suk CHOI ; Chang Kyu HUH
Korean Journal of Obstetrics and Gynecology 1993;36(8):3351-3357
No abstract available.
Uterine Prolapse*
10.Pustulosis palmaris et plantaris associated with sternocostoclavicular hyperostosis: report of 3 cases of pustulotic arthro-osteitis.
Chang Keun OH ; Suk Joo CHOI ; Doo Chan MOON ; Kyung Sool KWON ; Tae Ahn CHUNG
Korean Journal of Dermatology 1992;30(5):693-700
Pustulotic arthro-osteitis is a rheumatic syndrome of unknovn cause, characterised by an inflammatory osteitis of the sternocostoclavicular region and pustuosis palmaris et plantaris. Although many ases of the disease have been reported in Japan, it, has not been reported in Korea so far. Three cases of pustulosis palmaris et plantaris associated i rith sternocostoclavicular hyperostosis or pustulotic arthro-osteitis are presented.
Hyperostosis, Sternocostoclavicular*
;
Japan
;
Korea
;
Osteitis
;
Psoriasis*