1.Three Cases of Neonatal Group B Streptococcal Meningitis.
Jae Kwang HONG ; Hyun Mo CHEONG ; Jung Sik MIN ; June Tae PARK ; Chang Hee CHOI
Journal of the Korean Pediatric Society 1987;30(7):777-783
No abstract available.
Meningitis*
2.Effect of Cobalt-Chromium Alloy Surface Treatment When Bonding With 4-Meta/mma-Tbb Resin.
Jae Sik JIN ; Kyo Han KIM ; Cheong Hee LEE ; Kwang Hun JO
The Journal of Korean Academy of Prosthodontics 2000;38(4):510-525
The effects of pretreatment of Co-Cr alloy, including two adhesive primers that contain either MDP or MAC-10, and silicoating on the bond. The results obtained as follows : Strength of 4-META/MMA-TBB resin were investigated using FT-IR SEM, and EDAX. in the SEM observation of surface morphologies, the sandblasted specimen exibited a very rough surface, whereas the surfaces of the two groups primed with either MDR or MAC-10 were covered with a layer of primer, and the surface morphology of the silicoated specimen remained almost the same after sandblasting. Before the thermocycling tests, the group treated with MDP demonstrated the highest mean tensile bond strength and the sandblasted group showed the lowest bond strength. After 20,000 themocyling, the mean tensile bond strength of the sandblasted group exhibited a 50% reduction in bond strength, while the other showed a 20~30% reduction. Observation of the metal-resin interface revealed that in all groups the resin permeated the rough surface formed by sandblasting thereby producing a mechnical bond between the metal and the resin, It was also found that thermocycling resulted in a gap formation at the metal-resin interface of the specimens, and the sandblasted group exhibited a larger gap width than the other groups. in fracture mode, all specimens indicated a cohesive fracture within the resin before thermocycling. However, thermocyling produced adhesive failure at the edge of the resin-metal interface in most specimens, The sandblasted group, which exhibited the lowest bond strength after thermocycling, also demonstrated the largest area of adhexive failure.
Adhesives
;
Alloys*
3.Management of Sequellae of Pyogenic Osteomyelilis
Key Yong KIM ; Hyung Ku YOON ; Jae Gon SEO ; Hee Young CHEONG
The Journal of the Korean Orthopaedic Association 1984;19(6):1199-1207
After discovery of Penicillin by Fleming in 1939, a great improvement in the treatment of osteomyelitis has been made and the mortality rate in acute stage was markedly decreased. But due to misplacement of antibiotics, and the improper treatment of the osteomyelitis, the tendency to chronicity and various sequellae of the osteomyelitis are still persist. So, it will be of importance to reconsider the management of various sequellae of pyogenic osteomyelilis. We reviewed 3 cases of sepsis, 10 cases of pathologic fracture, 6 cases of sepsis, 6 cases of malignant turnor developed in an old draining sinus, 2 cases of bone defect, 3 cases of joint contracture and 4 cases of deformity and growth disturbance 604 cases of osteomyelitis treated at National Medical Center between 1972 to 1983. The results were as follows: 1. Established sepsis was noted in 3 cases, and one of these patient dead. We treat these patients with high dose of the antibiotics accompanied by decompression of the lesion. 2. Pathologic fracture developed in 10 cases, which was treated with either conservative or operative treatment. All cases obtained good union except one. 3. Spuamous cell carcinoma developed in 6 cases around the old draining sinus. All cases were treated with amputation. Theres no recurrence except one. 4. Bone defect developed in 2 cases. A case of bone defect in humeral shaft was treated with vascularized fibular graft and obtained firm union and good function. 5. Joint contracture was treated with soft tissue release and even joint fusion in severe case. The results were not gratifying. 6. Deformity and growth disturbance of limbs were treated with soft tissue release, osteotomy and stapling. Most of the cases obtained good results, but limb length discrepancy was not recovered satisfactorily.
Amputation
;
Anti-Bacterial Agents
;
Congenital Abnormalities
;
Contracture
;
Decompression
;
Extremities
;
Fractures, Spontaneous
;
Humans
;
Joints
;
Mortality
;
Osteomyelitis
;
Osteotomy
;
Penicillins
;
Recurrence
;
Sepsis
;
Transplants
4.Cutaneous Larva Migrans after Trip to the Philippines.
Cheong Ha WOO ; Hee Jae PARK ; Seungpil HAM ; Mira CHOI ; Hai Jin PARK
Korean Journal of Dermatology 2018;56(9):564-565
No abstract available.
Larva Migrans*
;
Philippines*
5.A Clinical Observation on Lupus Nephritis in Children.
Kang Mo AHN ; Jae Sung KO ; Hye Won PARK ; Il Soo HA ; Hae Il CHEONG ; Yong CHOI ; Hee Joo KIM
Journal of the Korean Pediatric Society 1994;37(6):842-849
We reviewed the clinical features, histrologic patterns and clinical courses of 30 children with lupus nephritis retrospectively, and the results were summerized as follows; 1) The male to female ratio was 1:2.8, and the mean age at the onset was 10 8/12 years. 2) The clinical symptoms were diverse, and malaise, weight loss, anorexia, fever and malar rash were the most frequent findings. 3) Among the immunologic tests, FANA and anti-ds-DNA test revealed the highest sensitivity with positive rates of 97% and 87%, respectively. 4) Clinically, 57% of patients had active nephrotic syndrome at the onset, and 33% showed (?) was the most common findings (70%). 5) During the follow-up period, one children with Class IV lupus nephritis expired. And 8 out of 9 cases with renal insufficiency at the onset showed improvement of renal function after treatment with corticosteroid and cytotoxic agents. In conclusion, the clinical features and histologic findings of lupus nephritis in children were diverse. Early diagnosis and proper treatment can prevent rapid deterioration of renal function and improve long-term survival rate.
Anorexia
;
Child*
;
Cytotoxins
;
Early Diagnosis
;
Exanthema
;
Female
;
Fever
;
Follow-Up Studies
;
Humans
;
Immunologic Tests
;
Lupus Nephritis*
;
Male
;
Nephrotic Syndrome
;
Renal Insufficiency
;
Retrospective Studies
;
Survival Rate
;
Weight Loss
6.Limitations of current screening methods for lipid disorders in Korean adolescents and a proposal for an effective detection method: a nationwide, cross-sectional study
Jung Hyun SHIN ; Ji In CHEONG ; Hee Won CHEUH ; Jae-Ho YOO
Annals of Pediatric Endocrinology & Metabolism 2020;25(4):265-271
Purpose:
To determine the limitations of current screening methods for lipid disorders and to suggest a new method that is effective for use in Korean adolescents.
Methods:
Data from the 6th Korea National Health and Nutrition Examination Survey (2013–2015) were analyzed. The diagnostic validity (sensitivity and specificity) of various cardiovascular risk factors currently used for lipid disorder screening was investigated, as was the diagnostic validity of non-HDL-cholesterol ≥145 mg/dL as a screening tool.
Results:
The prevalence of dyslipidemia and familial hypercholesterolemia (FH) among Korean adolescents was 20.4%±1.0% and 0.8%±0.3%, respectively. The current standard screening methods identified only 5.9%±1.4% and 30.3%±17.2% of the total number of dyslipidemia and FH cases, respectively. The diagnostic sensitivity and specificity of lipid profile analysis for dyslipidemia among obese adolescents were 19.5%±2.3% and 93.6%±0.8% and for FH were 30.3%±17.2% and 91.1%±0.8%, respectively. When adolescents with obesity, hypertension, or a family history of dyslipidemia or cardiocerebrovascular disease for over 3 generations were included in the screening, diagnostic sensitivity increased to 68.4%±2.8% for dyslipidemia and 83.5%±2.7% for FH. Universal screening of all adolescents based on non-HDL-cholesterol levels had sensitivities of 30.2%±2.7% and 100%, and specificities of 99.2%±0.3% and 94%±0.6% for dyslipidemia and FH, respectively.
Conclusion
New screening methods should be considered for early diagnosis and treatment of lipid disorders in Korean adolescents.
7.Scalp Pruritus: Classification and Clinical Characteristics
Gil Jae PYO ; Seong Hee CHOI ; Ki Bum MYUNG ; Seung Hyun CHEONG
Korean Journal of Dermatology 2024;62(8):437-446
Background:
Chronic scalp pruritus is a common symptom in dermatology patients. However, few studies have investigated its causes and clinical characteristics.
Objective:
We aimed to evaluate in this study the causes of chronic scalp pruritus, classify itching, and the clinical manifestations associated with different causes and classifications.
Methods:
A cross-sectional study was conducted involving 179 patients with chronic scalp pruritus recruited from the Department of Dermatology at Konyang University Hospital between August 2023 to February 2024. Age, sex, clinical features, Itch Numeric Rating Scale (NRS), Dermatology Life Quality Index (DLQI), and treatment response were evaluated using a questionnaire.
Results:
The most common cause of chronic scalp pruritus was a dermatologic condition (n=135, 75.4%). Systemic scalp pruritus (n=15, 8.4%) was the second most common cause, followed by neuropathic pruritus (n=14, 7.8%), psychogenic scalp pruritus (n=9, 5.0%), and scalp pruritus of unknown origin (n=6, 3.4%). Patients with systemic pruritus had higher itch NRS scores compared to those with neuropathic pruritus (p=0.033). In addition, patients with dermatological pruritus experienced longer itch duration and treatment courses than patients with neuropathic pruritus (p=0.001 and p=0.005, respectively). Moreover, patients with higher itch NRS scores had higher DLQI scores among patients with dermatological pruritus (p<0.001).
Conclusion
In this study, we classified the causes of scalp pruritus and identified the itch severity and clinical manifestations. The severity of itching, pruritus duration, treatment duration, and aggravating factors differed for each scalp pruritus classification. Understanding the classification and clinical characteristics of scalp pruritus can facilitate the development of more effective treatments.
8.Interferon-gamma susceptibility of HL-60 cells, mononuclear cells of umbilical ord blood and bone marrow.
Hee Jeong CHEONG ; Dae Sik HONG ; Sook Ja KIM ; Jae Hwa CHEONG ; Joo Young LEE ; Nam Su LEE ; Sung Kyu PARK ; Jong Ho WON ; Hee Sook PARK ; Sung Il KIM
Immune Network 2001;1(3):230-235
No abstract available.
Bone Marrow*
;
HL-60 Cells*
;
Humans
;
Interferon-gamma*
9.Baduk (the Game of Go) Improved Cognitive Function and Brain Activity in Children with Attention Deficit Hyperactivity Disorder.
Se Hee KIM ; Doug Hyun HAN ; Young Sik LEE ; Bung Nyun KIM ; Jae Hoon CHEONG ; Sang Ho HAN
Psychiatry Investigation 2014;11(2):143-151
OBJECTIVE: Attention deficit hyperactivity disorder (ADHD) symptoms are associated with the deficit in executive functions. Playing Go involves many aspect of cognitive function and we hypothesized that it would be effective for children with ADHD. METHODS: Seventeen drug naive children with ADHD and seventeen age and sex matched comparison subjects were participated. Participants played Go under the instructor's education for 2 hours/day, 5 days/week. Before and at the end of Go period, clinical symptoms, cognitive functions, and brain EEG were assessed with Dupaul's ADHD scale (ARS), Child depression inventory (CDI), digit span, the Children's Color Trails Test (CCTT), and 8-channel QEEG system (LXE3208, Laxtha Inc., Daejeon, Korea). RESULTS: There were significant improvements of ARS total score (z=2.93, p<0.01) and inattentive score (z=2.94, p<0.01) in children with ADHD. However, there was no significant change in hyperactivity score (z=1.33, p=0.18). There were improvement of digit total score (z=2.60, p<0.01; z=2.06, p=0.03), digit forward score (z=2.21, p=0.02; z=2.02, p=0.04) in both ADHD and healthy comparisons. In addition, ADHD children showed decreased time of CCTT-2 (z=2.21, p=0.03). The change of theta/beta right of prefrontal cortex during 16 weeks was greater in children with ADHD than in healthy comparisons (F=4.45, p=0.04). The change of right theta/beta in prefrontal cortex has a positive correlation with ARS-inattention score in children with ADHD (r=0.44, p=0.03). CONCLUSION: We suggest that playing Go would be effective for children with ADHD by activating hypoarousal prefrontal function and enhancing executive function.
Attention Deficit Disorder with Hyperactivity*
;
Brain*
;
Child*
;
Depression
;
Education
;
Electroencephalography
;
Executive Function
;
Humans
;
Neurobehavioral Manifestations
;
Prefrontal Cortex
10.Results of Osteoporotic Treatment Drug after Periarticular Fracture of Hip.
Soo Jae YIM ; Young Koo LEE ; Cheong Kwan KIM ; Hyun Seok SONG ; Hee Kyung KANG
Journal of the Korean Fracture Society 2010;23(2):167-171
PURPOSE: The Purpose of the study is to know patients' compliance of drug treatment of osteoporosis after operation of fracture and to compare of accompanying fractures between patients who diagnosed with osteoporosis itself and had the drug treatment of osteoporosis after surgery of periarticular fracture of hip. MATERIALS AND METHODS: In experimental group, consecutive 60 patients who had fracture of femoral neck and trochanter. And in control group, 61 patients diagnosed osteoporosis with drug treatment within the same period in orthopedic department from July 2006 to July 2007. The average age is 73.8 (+/-6.7) year in experimental group, and 66.6 (+/-7.46) year in control group. Both groups had at least a year follow-up with drug treatment and had BMD again at least a year later. RESULTS: BMD test in experimental group showed -3.05 (+/-1.35) preoperatively and -2.74 (+/-1.50) in last follow-up. BMD test in control group showed -3.55 (+/-0.52) in initial administration and -3.10 (+/-0.87) in last follow-up. The results showed a significant improvement in statistical analysis (p=0.0002, p<0.0001). CONCLUSION: The compliance of drug treatment of osteoporosis after operation of periarticular fracture of hip is the same as in patients' diagnosed osteoporosis.
Compliance
;
Femur
;
Femur Neck
;
Follow-Up Studies
;
Hip
;
Humans
;
Orthopedics
;
Osteoporosis