1.Roentgenocephalometric study on facial height and occlusal plane inclination in Class II maloclusion group.
dong Seok NAHM ; Mi Hyang JEONG
Korean Journal of Orthodontics 1998;28(2):255-268
This study was investigated to assess the difference of facial height and occlusal plane inclination between normal occlusion group and class 11 malocclusion group. The subjects consisted of 50 normal occlusion (male 25, female 25) and 50 class II(male 25, female 25) malocclusion patients. All subjects are adult. lateral cephalogram was taken with standard method, traced, and digitized for each subjects. The computerized statiscal analysis was carried out with SPSS program. The results were as follows: 1. In class II malocclusion group, variables significant different from normal occlusion group were as follows SN-FOP, FH-BOP, MP-BOP, AB-BOP, AB-FOP, Facial plane-BOP, FP-FOP. 2. In class II malocclusion group, the posterior facial height -especially posterior lower facial height-was significantly smaller than normal occlusion group.( P < 0.05) 3. In class II malocclusion group, the angles bEStween occlusal plane and upper and lower incisor, the angle between upper molar and bisected occlusal plane we e significantly larger than those of normal occlusion group. (P < 0.05) 4. LI to Mandibular plane (mm) was a unique factor of occlusal plane position that showed significant difference in class -Il1 malocclusion group. 5. The correlation between overbite and occlusal plane inclination existed in class II malocclusion group, but the correlation didn't exist in normal occlusion group.
Adult
;
Dental Occlusion*
;
Female
;
Humans
;
Incisor
;
Malocclusion
;
Molar
;
Overbite
2.The Effects of Hydrogen Peroxide on the Migration and Proliferation of the Human Keratinocytes during Wound Healing.
Hyang Joon PARK ; Jeong Heon LEE
Korean Journal of Dermatology 1999;37(3):352-357
BACKGROUND: Various topical antisepties are often used for postoperative care of surgical wounds. But the effect of these agent on wound healing remains an area of debate. OBJECTIVE: The purpose of this study was to evaluate the biological effects of hydrogen peroxide on human keratinocytes in vitro, specifically on keratinocyte viability, migration and proliferation. METHODS: To evaluate the effects of hydrogen peroxide on keratinocyte viability, migration and proliferation, sulforhodamine B test, migration assay, and thymidine incorporation assay were performed, respectively. Diluted solutions of 30% hydrogen peroxide( X 50, X 100, X 500, X 1000) were used as testing material and growth medium alone as a control.
Humans*
;
Hydrogen Peroxide*
;
Hydrogen*
;
Keratinocytes*
;
Postoperative Care
;
Thymidine
;
Wound Healing*
;
Wounds and Injuries*
3.A clinical study of mandibular movements of condylar fracture using mandibulokinesiograpy.
Journal of the Korean Association of Oral and Maxillofacial Surgeons 1993;19(4):488-498
No abstract available.
4.Comparison of Various Doppler Echocardiographic Methods for Estimation of Pulmonary Artery Pressure.
Jae Hwa OH ; Hyang Suk YOON ; Jin Won JEONG
Korean Circulation Journal 1995;25(4):820-829
BACKGROUND: Noninvasive estimation of pulmonary artery pressure is an important component of echocardiographic studies. A number of methods are available for estimation of pulmenary pressure, each with varying degrees of reported accuracy. To assess accuracy and difficulties, noninvasive pulmonary artery pressure estimates were performed in infants and children with congenital heart diseases. METHODS: Noninvasive estimates from 8 methods were compared with catheterization measurements. Systolic pressure was estimated by the Burstin method and from perak tricuspid regurgitation velocity, and also from systolic pressure gradients through the VSD(ventricular septal defect) and PDA(patent ductus arteriosus). Mean pressure was estimated by acceleration time divided by ejection time measured from Koppler spectrum obtained at the right ventricular out flow tract. Diastolic pressure was estimated from pulmonary regurgitation velocity spentrum at end-diastolic, and also from diastolic pressure gradient through the patent ductus arteriosus. RESULTS: IN systolic pressure, Burstin and tricuspid regurgitation velocities estimates correlated significantly(r=0.92, 0.90 respectively), whereas VSD and PDA estimates correlated less well with catheterization estimates(r=0.83, 0.65 respectively). The mean pressure, measured from RVOT(right ventricular outflow tract) Doppler spectrum corresponded well with catheterization pressure(r=0.89), whereas those obtained from the main pulmonary artery correlated less well(r=0.74). The diastolic pressure estimates from pulmonary regurgitation velocity spectrum, revealed good correlation(r=0.79), but those from diastolic Doppler spectrum at PDA correlated less well with catheterization estimates(r=0.63). CONCLUSION: All of eight Doppler echocardiographic methods seemed to be easily performable for estimation of pulmonary artery pressure. But, the degree of accuracy was variable. Because a pressure estimante from only a single method may be in error, care should be taken in combining use of other(one or two) methods.
Acceleration
;
Blood Pressure
;
Catheterization
;
Catheters
;
Child
;
Ductus Arteriosus, Patent
;
Echocardiography*
;
Echocardiography, Doppler
;
Heart Diseases
;
Humans
;
Infant
;
Pulmonary Artery*
;
Pulmonary Valve Insufficiency
;
Tricuspid Valve Insufficiency
5.Histopathologic Study of Primary Gastrointestinal Lymphoma: Gross and immunohistochemical analysis of 30 cases.
Hye Jae CHO ; Jeong Eun JOO ; Ill Hyang KO
Korean Journal of Pathology 1994;28(2):118-125
A histopathologic study including iramunohistochemical stains was made in 30 patients who were presented with gastrointestinal lymphoma. The occurrence was 13 in the stomach, 8 in the ileocecum, 7 in the small intestine and 2 in the colon. The disease more frequently affected males than females and the average ages were 53 years in the patients of gastric lymphoma and 44 years in the patients of intestinal lymphoma. Gastric lymphomas were usually presented with a single lesion, and the antrum and/or body were the most common sites. But intestinal lymphomas were presented with a single or multiple lesion, and the ileocecum was the most common site. The most common gross type of gastrointestinal lymphomas was the ulceroinfiltrating type and most are of the diffuse large noncleaved cell type of B-cell lymphoma, histologically. There were 2 cases of T-cell lymphoma presented in the intestine as the superficially ulcerative gross pattern and diffuse immunoblastic cell type. The distinct MALToma was seen in only one case of stomach but the feature was partially remained in each two cases of stomach and intestine. Their coexistent findings may suggest that diffuse large of immunoblastic component arises through blastic transformation of the low-grade M ALToma component.
Female
;
Male
;
Humans
6.The Effects of Hypotensive Epidural Anesthesia for Total Hip Arthroplasty.
Mi Hyang JEONG ; Cheol LEE ; Cheol Seung LEE ; Young Yul JEONG
Korean Journal of Anesthesiology 1997;33(1):84-89
BACKGROUND: Induced hypotension is effective in decreasing blood loss and providing better visibility in the surgical field. Extensive epidural block to T4 with intravenous infusion of low-dose epinephrine allows mean arterial pressure to 50 mmHg. We investigated the effects of hypotensive epidural anesthesia comparing with normotensive epidural anesthesia during total hip arthroplasty. METHODS: 40 patients scheduled for total hip arthroplasty under epidural anesthesia were randomly divided into two groups. In hypotensive group, 0.5% bupivacaine 20cc was injected into L1-2 epidural space and if sensory block reached to T4, then epinephrine 1~5 g/min was intravenously injected with continuous infusion pump. As a result, mean arterial pressure was maintained 50 mmHg, and heart rate, 55~80bpm. In normotensive group, 0.5% bupivacaine 20cc was injected into L4-5 epidural space, and sensory block reached to T8. Therefore blood pressure was maintained within 20% of preoperative baseline. RESULTS: There was apparent difference in blood loss between two groups (hypotensive group: 259 +/- 75 ml, normotensive group: 803 +/- 144*ml) (*:p<0.05). In addition, in the case of hypotensive epidral group, transfusion was not required and CVP, heart rate were not changed postoperatively. Cardiac, renal, and cerebral function were preserved too. CONCLUSIONS: Hypotensive epidural anesthesia with low dose of epinephrine infusion is safely lowering mean arterial pressure to 50 mmHg. This technique is associated with low blood loss, reduction in perioperative transfusion requirements, and has no side effects on CNS, liver, kidney and heart function.
Anesthesia, Epidural*
;
Arterial Pressure
;
Arthroplasty, Replacement, Hip*
;
Blood Pressure
;
Bupivacaine
;
Epidural Space
;
Epinephrine
;
Heart
;
Heart Rate
;
Humans
;
Hypotension
;
Infusion Pumps
;
Infusions, Intravenous
;
Kidney
;
Liver
7.Brain CT findings in head injury with skull fracture
In Tae JEONG ; Hae Kyung LEE ; Mi Kyung CHUNG ; Kwi Hyang KWON ; Ki Jeong KIM
Journal of the Korean Radiological Society 1982;18(2):244-252
CT has revolutionized the evaluation and management of patients with head injuries. CT is noninvasive and rapidly provides accurate information regarding the presence, extent and nature of intracranial lesions resulting from trauma. We have reviewed the CT scans of 114 patients, who got head injury with confirmed to skull fracture in plain film. The result were as follows; 1. Of all cases, traffic accident was the most frequent cause and in children fall down was more than 50%. 2. Compound linear fracture was the most frequent type fractures in plain skull film. 3. Of all 114 case, epidural hematoma was 16%, subdural hematoma was 18.4%, intracerebral hematoma was14.4%, subdural hygroma was 2.4%, normal finding was 50%. 4. Mortality rate was 13.2%. 5. Fracture was detected by CT about 28.9%, depression fracture was more easily detected in CT. 6. Incidence rate of countercoup lesion was14.0% and mortality rate was higher than same site lesion, 7. The shape of epidural hematoma was biconvex in 75%, planoconvex in 25%. 8. The shape of subdural hematoma was crescentic shape 82.6%, biconvex shape 8.7%, planoconvex shape 8.7%.
Accidents, Traffic
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Brain
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Child
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Craniocerebral Trauma
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Depression
;
Head
;
Hematoma
;
Hematoma, Subdural
;
Humans
;
Incidence
;
Mortality
;
Skull Fractures
;
Skull
;
Subdural Effusion
;
Tomography, X-Ray Computed
8.Treatment of Chronic Hepatitis C: Shorter Treatment Duration for Genotype 2 or 3 Infection.
The Korean Journal of Hepatology 2007;13(3):301-303
No abstract available.
Antiviral Agents/*administration & dosage/therapeutic use
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Drug Therapy, Combination
;
Genotype
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Hepacivirus/genetics
;
Hepatitis C, Chronic/*drug therapy
;
Humans
;
Interferon Alfa-2a/administration & dosage/therapeutic use
;
Interferon Alfa-2b/administration & dosage/therapeutic use
;
Polyethylene Glycols/administration & dosage/therapeutic use
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Ribavirin/administration & dosage/therapeutic use
;
Time Factors
;
Treatment Outcome
9.Structural Equation Modeling of Self-Care Behaviors in Kidney Transplant Patients Based on Self-Determination Theory.
Journal of Korean Academy of Nursing 2018;48(6):731-742
PURPOSE: The purpose of this study was to test a hypothesis explaining direct and indirect relationships among the factors affecting self-care behaviors of kidney transplant patients, based on self-determination theory. METHODS: Data were collected from 222 outpatients with kidney transplantation. The endogenous and exogenous variables of the hypothetical model consisted of healthcare provider's autonomy support, duration after kidney transplantation, basic psychological need satisfaction, autonomous and controlled motivation, depression, and self-care behaviors. Collected data were analyzed using SPSS/WIN 24.0 and AMOS 24.0. RESULTS: The hypothetical model demonstrated a good fit: RMSEA=.06, SRMR=.04, TLI=.94, CFI=.97. Statistically significant explanatory variables for the self-care behaviors of kidney transplant patients were duration after transplantation and basic psychological need satisfaction. Healthcare provider's autonomy support was indirectly significant, while autonomous motivation, controlled motivation and depression were not statistically significant for self-care behaviors. The variables accounted for 59.5% of the self-care behaviors of kidney transplant patients. CONCLUSION: It is necessary to develop an autonomy support program for healthcare providers to enhance the self-care behaviors of kidney transplant patients. Preventing the deterioration of self-care behaviors will be possible by conducting this program at one year and six years post-transplantation. In addition, the results suggest the need to developing personalized autonomy support programs for healthcare providers that can meet the basic psychological need satisfaction of kidney transplant patients.
Delivery of Health Care
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Depression
;
Health Behavior
;
Health Personnel
;
Humans
;
Kidney Transplantation
;
Kidney*
;
Motivation
;
Outpatients
;
Self Care*
10.A Study on Physical Fitness in Student Nurses.
Hyang Dong KIM ; Jeong Suk PARK ; Young Sook KWON
Journal of Korean Academy of Fundamental Nursing 2003;10(3):399-407
PURPOSE: This study was done to identify levels of physical fitness in student nurses and to ascertain the relationship among the different aspects of physical fitness of strength, power, muscle endurance, agility, balance and flexibility. METHOD: The participants were 266 students selected from one college of nursing. From May 1 to July 31 in 2003, physical constitution, muscle strength (grip strength, back strength), power (standing long jump), muscle endurance (sit-ups), agility (whole body reaction time-light, sound), balance (close-eyes foot-balance), and flexibility (sitting trunk flexion) were measured. RESULT: The mean(standard deviation) for grip strength was 22.59(3.93) kg., for back strength, 48.52(12.85) kg., for standing long jump, 135.29(20.54) m., for sit-up's, 23.66(9.35) per minute, whole body reaction time (light), 0.43(0.11) sec, whole body reaction time (sound), 0.50(0.16) sec, close-eyes foot-balance, 33.35(38.67) sec, and sitting trunk flexion 34.72(9.37) cm. CONCLUSION: This study showed that the physical fitness of student nurses is very low compared to the results in a report from the Korea Sports Science Institute. It is necessary to include exercise programs for student nurses in order to improve their physical fitness.
Constitution and Bylaws
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Hand Strength
;
Humans
;
Korea
;
Muscle Strength
;
Nursing
;
Physical Fitness*
;
Pliability
;
Reaction Time
;
Sports
;
Students, Nursing