1.Effects of Age and Left Ventricular Hypertrophy on Left Ventricular Diastolic Function in Normotensives and Hypertensives.
Dong Chul LEE ; Dong Sun HAN ; Won Sang YOO
Korean Circulation Journal 1991;21(1):92-99
Transmitral left ventricular diastolic inflow velocities determined by pulsed Doppler in 47 normotensives, 80 hypertensives and 44 age-matched hypertensives were measured to evaluate the effects of age and left ventricular hypertrophy on left ventricular diastolic fuction in normotensives and hypertensives. The results were as follows: 1) The peak E velocity in normotensives(77.82+/-13.53cm/sec) was significantly different from those of hyeprtensives(58.13+/-11.80cm, p<0.01) and age-matched hypertensives(59.31+/-10.94cm/sec, p<0.01). The peak E/A in normotensives(1.31+/-0.45) was significantly different from those of hypertensives(0.83+/-0.21,p<0.01) and age-matched hypertensives(0.83+/-0.20, p<0.01). 2)In normotensives, simple linear regression analysis revealed strong inverse correlations of peak E with age(r=-0.758, p<0.01), peak E/A with age(r=-0.748, p<0.01), but no significant correlation of peak E and peak E/A with LVMI(p>0.05). Stepwise regression analysis revealed that age was the most important correlate of peak E and peak E/A in normotensives(peak E: R
Heart Diseases
;
Hypertrophy, Left Ventricular*
;
Linear Models
2.The relationship of common reasons for encounter and major diagnoses of patients admitted to a hospital.
Kwng Hwan KIM ; Sun Won SEO ; Sun Mi YOO
Journal of the Korean Academy of Family Medicine 2000;21(6):762-771
BACKGROUNDS: It is important to know the contents of health problems in patients in a primary care setting. The aim of this study was to explore the main chief complaints and major diagnoses of patients, who were admitted to a hospital using the ICD-10 and to observe difference according to each department and admission route and how diagnoses were made. METHODS: A total of 18,560 patients who were admitted to a hospital located in Chungnam Province from 1 Jan 1998 to 31 Dec 1998. Main chief complaints and major diagnoses made through the admissions departments were chosen as subjects (medical vs. surgical) and by admission route (emergency vs. OPD)were analyzed. How the diagnoses were derived from the most common chief complaints among medical and surgical departments were analyzed by admissions departments and by admission route. RESULTS: The most common 10 chief complaints revealed no significant difference by admission route in medical departments, but there was some difference in surgical departments. There was some difference in the most common 10 major diagnoses by admission routes in both medical and surgical departments. Abdominal and pelvic pain, which was the most common chief complaints, became a significantly different diagnosis by admission route in both departments. CONCLUSION: Main chief complaints were similar regardless of admission routes, but the diagnoses were different. ICD-10 classification may be useful to classify the diagnoses, but have limitations to classify chief complaints or reasons for encounter. It is necessary to introduce a new classification such as ICPC-2 for reasons for encounter in order to explore the dimension of health problems.
Chungcheongnam-do
;
Classification
;
Diagnosis*
;
Humans
;
International Classification of Diseases
;
Pelvic Pain
;
Primary Health Care
3.The Clinical Applicability of Power Spectral Analysis of Heart Rate Variability in the Initial Phase of Hemorrhagic Shock.
Sang Won CHUNG ; Yoo Sang YOON ; Yoo Sun KIM ; Seung Ho KIM ; Hahn Shick LEE ; Hoon Sang CHI
Journal of the Korean Society of Emergency Medicine 2000;11(1):44-53
No abstract available.
Heart Rate*
;
Heart*
;
Shock, Hemorrhagic*
4.Serum Interleukin-10 Levels in Rheumatoid Arthritis Patients.
Bin YOO ; Jae Kyoung PARK ; Won Il OH ; Sun Whan OH ; Hee Bom MOON
The Journal of the Korean Rheumatism Association 1997;4(1):33-38
OBJECTIVE: To investigate whether the serum levels of IL-10 in patients with rheumatoid arthritis are different from those of normal controls and SLE patients and to find out any correlation with disease activity parameters of rheumatoid arthritis. METHODS: Sera from 20 healthy normal persons, 16 rheumatoid arthritis patients and 16 patients with systemic lupus erythematosus were collected and measured for IL-10 and IL-6. Various disease activity parameters were measured in RA patients. RESULTS: The serum level of IL-10 in RA patients was significantly elevated compared to normal controls but lower than those of SLE patients. In RA patients there was no definite correlation between the disease activity parameters and serum IL-10 levels. Despite significant improvements in terms of various disease activity parameters, there was no significant change of serum IL-10 levels after treatment in RA patients. In seropositive RA patients, positive correlation was found between serun IL-10 and rheumatoid factor levels. CONCLUSION: Our findings show that the serum IL-10 levels in patietns with RA are elevated compared to normal controls but lower than those of SLE patients. There was no correlation between serum IL-10 levels and disease acivity parameters of RA.
Arthritis, Rheumatoid*
;
Humans
;
Interleukin-10*
;
Interleukin-6
;
Lupus Erythematosus, Systemic
;
Rheumatoid Factor
5.p16INK4A and p15 INK4B Gene Alterations in Primary Uterine Cervical Carcinoma Tissues and Cervical Carcinoma Cell Lines.
Journal of the Korean Cancer Association 1998;30(5):1044-1052
PURPOSE: Alterations of the p15(INK4B) and p16(INK4A) gene which are separated by 25 kb on chromosome 9p21 have been reported in various tumor derived cell lines and primary tumors, but the role of these genes in cervical cancer is unknown. MATERIAL AND METHOD: To determine the frequency of deletions and point mutations of these genes in human cervical cancer, we examined 57 primary tumors and matched normal tissues, and 3 cervical cancer derived cell lines. All the tumor tissues and cell lines were human papil- INK48 lomavirus (HPV)-positive. Deletions or point mutations of exon 2 of the pl5 gene and exons 1, 2, and 3 of the p16(INK4A) gene were examined by polymerase chain reaction (PCR) and direct sequencing, respectively. RESULT: Our data indicate no evidence for intragenic homozygous deletion or point mutation in the cervical cancer or cervical cancer derived cell lines. INK48 INK4A CONCLUSION: Deletions or point mutations in the p15 or p16 gene may not be required for the development of HPV-positive cervical cancer or for establishment of cervical cancer cell lines.
Cell Line*
;
Cyclin-Dependent Kinase Inhibitor p16
;
Exons
;
Genes, p16
;
Humans
;
Point Mutation
;
Polymerase Chain Reaction
;
Uterine Cervical Neoplasms
6.Effect of Interleukin-10 on Development of Murine Collagen-induced Arthritis.
Bin YOO ; Chan KIM ; Seung Won CHOI ; Mi Jung KIM ; Sun Whan OH ; Hee Bom MOON
The Journal of the Korean Rheumatism Association 1997;4(2):111-120
OBJECTIVE: To evaluate the effect of IL-10 on development of collagen-induced arthritis, on humoral and cellular immunity and on the endogenous production of IL-10 in DBA/1J mice. METHODS: DBA/1J mice were immunized with chicken type II collagen in Freund s complete adjuvant. Murine recombinant IL-10 was given intraperitoneally twice a week from the day of second immunization (week 3) in doses of 0.002ug, 0. 02ug and 0. 2ug for 3 different groups, respectively. Dexamethasone was injected in one group to suppress the arthritis development and this group was used as negative control group. Levels of anti-collagen antibodies, serum IL-10 and stimulation indices of splenic monocytes to collagen were measured at the end of study. RESULTS: The 0. 02ug IL-10 and 0. 2ug IL-10 treated groups developed earlier and more severe arthritis (week 6 and 8) compared to that of the control group while the 0. 002ug IL-10 group has shown similar course to the control group in terms of incidence and severity of arthritis, At week 10, all groups with or without IL-10 injections developed arthritis with similar degree of severity while dexamethasone group showed far less incidence and severity of arthritis. The serum levels of anti-collagen antibody, IL-10 and spleen monocyte stimulation indices to collagen antigen showed no difference among control group, IL-10 injected groups and dexamethasone injected group. CONCLUSION: This study shows IL-10 could worsen the arthritis in CIA with the dosage used in this study without significant influence on the level of anti-collagen antibodies or stimulation indices of spenic monocyte to collagen.
Animals
;
Antibodies
;
Arthritis
;
Arthritis, Experimental*
;
Chickens
;
Collagen
;
Collagen Type II
;
Dexamethasone
;
Immunity, Cellular
;
Immunization
;
Incidence
;
Interleukin-10*
;
Mice
;
Monocytes
;
Spleen
7.Fiberoptic Laryngoscopic View of the Laryngeal Mask Airway Placed in the Hypopharynx.
Woo Sun KIM ; Sang Kyi LEE ; Chun Won YOO ; Seong Hoon KO
Korean Journal of Anesthesiology 1997;33(2):272-276
BACKGROUND: The laryngeal mask airway (LMA) should be correctly placed into the hypopharynx for adequate ventilation. The purpose of this study was to evaluate a LMA position relation to the laryngeal skeleton and narrowing degree of a LMA lumen by the epiglottis. METHODS: The LMA (# 3 or # 4) was placed into the hypopharynx after induction of anesthesia and muscle paralysis. The fiberoptic laryngoscopic findings through the lumen of LMA were recorded at ten minutes after LMA placements. The position of the LMA was estimated in relation to its distal aperture to the laryngeal skeleton as central, posterior, right and left lateral position. The narrowing degree of the LMA by the epiglottis was estimated as 0%, 1~25%, 26~50%, 51~75%, or 76~100%. RESULTS: The fiberoptic laryngoscope showed central positions in 70.1%, lateral deviations to the left or right in 21.2% and posterior positions in 9%. The most frequent incidence (84/231, 36.4%) of narrowing by the epiglottis is 76~100% but ventilating problems were not developed. However, ventilation was impossible immediately after LMA placement in one patient, so the LMA was removed and the trachea was intubated. Esophageal enterance was visible in one patient without regurgitation of the stomach content. CONCLUSIONS: These findings show that LMA provides a reliable and safe airway management technique, although inadequate positioning and narrowing of LMA lumen by the epiglottis may frequently occur.
Airway Management
;
Anesthesia
;
Epiglottis
;
Gastrointestinal Contents
;
Humans
;
Hypopharynx*
;
Incidence
;
Laryngeal Masks*
;
Laryngoscopes
;
Paralysis
;
Skeleton
;
Trachea
;
Ventilation
8.The Effects of Steroid and Lidocaine on Inflammatory Responses in the Rabbit Lung of Induced Endotoxemia.
Yong Gul LIM ; Yoo Jin KANG ; Dae Woo KIM ; Won Sun CHO
Korean Journal of Anesthesiology 1998;35(5):846-851
Background: It has been reported that steroid and lidocaine reduce inflammatory responses to endotoxin. The aim of this study is to compare the effects of lidocaine with those of steroid on inflammatory responses to Escherichia coli endotoxemia in the rabbit lung. Methods: Twenty four animals were randomly assigned to one of four groups. Group I (endotoxemic group; control, n=6): They were received E. coli endotoxin (500 microg/kg) intravenously through the ear vein and followed by saline infusion at 20 ml/kg/hr for 4 hours. Group II (steroid treated group, n=6): They were treated with steroid (30 mg/kg) intravenously just after endotoxin injection and then saline was given at 20 ml/kg/hr for 4 hours. Group III (lidocaine treated group, n=6): They were received same as the endotoxemic group and lidocaine (3 mg/kg IV bolus, then continuous infusion at the rate of 2 mg/kg/hr) was administered with saline at 20 ml/kg/hr for 4 hours. Group IV (steroid & lidocaine treated group, n=6): They were received same as the endotoxemic group and after endotoxin infusion, steroid (30 mg/kg) and lidocaine (3 mg/kg IV bolus, then continuous infusion at the rate of 2 mg/kg/hr) was administered intravenously with saline. Numbers of neutrophils and monocytes in the samples of peripheral blood and lung tissue were counted and compared to evaluate the anti-inflammatory effect of drugs. Results: The group II, III, and IV showed significant attenuation of inflammatory responses compared to group I in the rabbit lung(P<0.05). But there were no significant differences among group II, III, and IV. There was no additive effect between steroid and lidocaine. Conclusion: These results suggest that lidocaine could be used as an alternative drug to steroid for its anti-inflammatory effects and cost-effectiveness.
Animals
;
Ear
;
Endotoxemia*
;
Escherichia coli
;
Lidocaine*
;
Lung*
;
Monocytes
;
Neutrophils
;
Veins
9.Development of a Health Information Web Site Evaluation Categories with Items for Diabetes Mellitus.
Se Won KANG ; Ji Soo YOO ; Il Sun KO
Journal of Korean Society of Medical Informatics 2005;11(4):345-352
OBJECTIVE: The purpose of this study was to develop a health information web site evaluation categories with items for diabetes mellitus in order to offer verified health information, and to propose directions for development of web sites. METHODS: A preliminary evaluation categories with items was developed using domestic and foreign web site evaluation standards for health information and through a review of the literature. The evaluation categories with items was composed of 'evaluation for web site attributes' and 'evaluation for content information on diabetes mellitus'. Through expert validity tests and a feasibility test of the preliminary tool, the health information Web site evaluation tool for diabetes mellitus was finalized. RESULTS: This evaluation categories with items included 'evaluation for web site attributes' and 'evaluation for content information on diabetes mellitus'. 'Evaluation for web site attributes' included 8 categories with 28 items. The 'evaluation for content information on diabetes mellitus' included 7 categories with 40 items. 'Evaluation component for content' and 'evaluation of category content' included 4 items on 'accuracy', 6 on 'harmfulness' and 3 on 'comprehensibility'. CONCLUSION: From this study guidelines are propose for providing health information for diabetes mellitus, so that health information providers will be able to offer consumers verified good quality health information themselves.
Diabetes Mellitus*
10.Risk Factors of Primary Nocturnal Enuresis.
Soo Jin LEE ; Jin Won YOOK ; Yoo Eun SUN ; Jung Wan SEO ; Sung Joo LEE
Journal of the Korean Society of Pediatric Nephrology 2000;4(1):69-76
Urinary cytology has become an essential element in the diagnosis and management of transitional cell carcinoma(TCC) of the urinary tract. It has the advantage of being noninvasive, inexpensive, and easily accessible. Besides that it can even detect malignancy when unsuspected at cystoscopy. We report a retrospective review of urine cytology in the diagnosis of 83 TCC cases that underwent 295 cytologic evaluation. All patients had biopsy-proven TCC of the bladder, ureter and renal pelvis. The overall inci- dence of the positive cytology cases was 66.2%. To define the cytologic features of tumor cells, we tried to use three cytologic gradings such as "grade 1", "grade 2", and "grade 3" according to the cytologic degree of anaplastic neoplastic cells. These cytologic gades of TCC were relatively well correlated with the histologic grade and tumor invasiveness. This result suggests that the recognition of characteristic cellular features of TCC can suspect the histologic grade and tumor stage. The false negative TCC cases were 78.9%. They showed severe inflammatory or bloody background and a few neoplastic cells. Therefore, a cautious approach for accurate interpretation, personal experience, and proper fixation and processing could expand the role of urinary cytology.
Cystoscopy
;
Diagnosis
;
Humans
;
Kidney Pelvis
;
Nocturnal Enuresis*
;
Retrospective Studies
;
Risk Factors*
;
Thyroid Gland
;
Ureter
;
Urinary Bladder
;
Urinary Tract