No abstract available.
Defense Mechanisms*

No abstract available.
Cartilage* ; Congenital Abnormalities*

No abstract available.
Hemorrhage*

Sinusitis manifested as symptomatic imflammation of the paranasal sinuses is a common pediatric diagnosis. Many studies have focused more directly on the question of relationship between allergy and sinusitis but the relevance of the relationship between allergy and sinusitis still needs further examination, The purpose of this study is to assess of relationship of allergy to extent or severity of sinusitis. A clinical evaluation was performed on 199 children, age 2 to 15 years, in whom the diagnosis of sinusitis was confirmed by paranasal sinus radiographic assessment at our hospital Pediatric OPD and in the ward from July 1991 to June 1993. The results were as follows: 1) Male was more prominent than female (M:F ratio 1.76:1). The age distribution, 100 cases(55.2%) of the total case were 4-7 year old. 2) The symptoms were coughing, most common (77,9%), rhinorrhea, nasal discharge and nasal stuffiness, in decreasing order. The clinical signs were postnasal drip (62.8%), most common, throat injection, wheezing sound, and allergic shiner in decreasing order. Eighty eight patients were evaluated acute and compared with 111 patients with chronic sinusitis. 3) Comparable study between two groups were summarized as follwos: (1) There was no significant difference in age and sex distribution between acute and chronic group. (2) The lowest seasonal incidence of acute group was seen in summer and autumn but there was no significant variation between both group (p>0.05). (3) Allergc disease was more prevalent in chronc group than acute group (p<0.05). Asthma incidence was higher in chronic group than acute group (p<0.05). (4) The frequency of total IgE level checked by PRIST higher than 200 IU/ml in acute group and chronic group was 23.2% and 42.3%, respectively (p<0.05). The incidence of positive skin prick test in acute group and chronic group was 25.0% and 46.5% respectively (p<0.05). (5) Otitis media, nasal polyp and adenoid hypertrophy incidence were higher in chronic group than acute group (p<0.05). (6) There was no significant difference if ESR between both groups. The eosinophilia in peripheral blood higher than 5% in the acute group and chronic group was 15.9% and 42.3% respectively (p<0.05). (7) The patients with chronic group had more severe involvement of the paranasal sinuses than acute group (p<0.05). (8) There were no significant difference in chest radiographic findings and follow up paranasal sinus radiographic findings after treatment (P>0.05).
Adenoids ; Age Distribution ; Asthma ; Child* ; Cough ; Cyprinidae ; Diagnosis ; Eosinophilia ; Female ; Follow-Up Studies ; Humans ; Hypersensitivity ; Hypertrophy ; Immunoglobulin E ; Incidence ; Male ; Nasal Polyps ; Otitis Media ; Paranasal Sinuses ; Pharynx ; Radiography, Thoracic ; Respiratory Sounds ; Seasons ; Sex Distribution ; Sinusitis* ; Skin

PURPOSE: To evaluate MR characteristics of periosteal reactions and subperiosteal abscesses in osteomyelitis as compared with radiographs. MATERIALS AND METHODS: We retrospectively reviewed 28 patients(18 males, 10 females) with osteomyelitis. Nineteen patients underwent MR imaging with 0.5 T. We analyzed for morphologic patterns, intervals of appearance and disappearance of periosteal reactions after symptom onset. Twenty-three patients were confirmed by surgery and 5 patients by the radiologic findings, clinical and laboratory data. RESULTS: Periosteal reaction appeared as low signal intensity arc on the T1- and T2-weighted axial images. In 3-7 days after symptom onset, periosteal reactions and subperiosteal abscesses were noted on MR imaging, and only two of eleven patients were noted in radiographs. Periosteal reactions of 8-14 days after symptom onset were demonstrated in all of 13 patient on MR, and 9 on plain radiographs. All patients with 2 weeks after symptom onset showed perioste.al reaction in plain film and MR. The periosteal reactions persisted until approximately 2 to 3 months after treatment on follow up radiographs. CONCLUSION: Periosteal reactions in osteomyelitis are detected on the MR imaging earlier than plain film. MR is valuable in detecting subperiosteal abscess which is not appecent in simple radiographs. Periosteal reactions can be seen on MR in 3 days after symptom onset and persist for 2-3 months after treatment.
Abscess ; Follow-Up Studies ; Humans ; Magnetic Resonance Imaging* ; Male ; Osteomyelitis* ; Retrospective Studies

To identify osteoporosis and examine the relationship between health behavior and the self-efficacy of middle-aged women, a descriptive survey was conducted. The subjects were 465 healthy female residents of Kyunggido, Korea, who underwent ultrasound measurement and a health examination at the Kangmeung-Ci Health Center between July and August 2000. They were 40 to 60 years old, with a mean age of 46.7 years. The subjects completed a self- reported questionnaire that consisted of seven items concerning health behavior and twelve items concerning self-efficacy related to osteoporosis. Bone density was evaluated from ultrasound measurements of the right heel. All the data were analyzed using the program SAS-PC. The study found that the mean T score related to bone density was -1.30, and ranged from -3.52 to 3.06. Based on the T score, 74.8% of the subjects were normal, 12.9% had osteopenia, and 12.3% had osteoporosis. The mean osteoporosis self-efficacy score was 41.17 and ranged from 12 to 60. Osteoporosis self-efficacy differed significantly with health behavior related to health supplementary food (t=5.63, p=.018), exercise (t=6.65, p=.010), alcohol drinking(t=10.80, p=.001), and smoking (t=10.23, p=.001). A community-based health promotion program should be developed to prevent osteoporosis in middle-aged women.
Bone Density* ; Bone Diseases, Metabolic ; Female ; Gyeonggi-do ; Health Behavior ; Health Promotion ; Heel ; Humans ; Korea ; Middle Aged ; Osteoporosis ; Surveys and Questionnaires ; Smoke ; Smoking ; Ultrasonography

PURPOSE: This study aims at identifying individual- and school-level factors associated with unintentional injuries to Korean adolescents at school by applying multilevel modeling. METHODS: From the database of the eleventh Korea Youth Risk Behavior Web-based Survey (KYRBS), the researchers selected 68,043 adolescents from the 7(th) to the 12(th) grades. Data were analyzed using χ² test for prevalence and multilevel modeling for related factors of unintentional injuries at school. RESULTS: About 22.9 percent of the adolescents had treatment experiences for unintentional injuries at school in the past 12 months. At the individual level, the significant factors associated with unintentional injuries at school included gender, grade, academic achievement, current smoking, alcohol consumption, frequency of high caffeine intake, depression, and relief of fatigue after sleep. At the group level, the significant factors included number of physical education per week and safety education. CONCLUSION: School based injury prevention programs should be sensitive to both individual- and school-level factors associated with unintentional injury at school among Korean adolescents.
Adolescent* ; Alcohol Drinking ; Caffeine ; Depression ; Education ; Fatigue ; Humans ; Korea ; Multilevel Analysis ; Physical Education and Training ; Prevalence ; Risk-Taking ; Smoke ; Smoking

In Korea, there are about 8 million motor vehicles and one-fourth of it is motorcycle. Last year Korean government report on the motor vehicle accidents claimed 12,781 cases of motorcycle accidents and it account for 5.1% of all of motor vehicle accidents occurred in Korea. But this is too broad analysis and lack of statical values. In general, most of people think motorcycle rider will suffer or die from head injuries sustained with motorcycle accident. Even though mandatory law on wearing helmet during motorcycle ride, but we see too many motorcycle riders not wearing helmet, especially in teenagers. The loss of young person by accident is great loss for family, society and economy of nation. No one will doubt the effectiveness of helmet on reduced incidence of head injuries. And multiple studies from United States of America have clearly demonstrated the benefit of helmets in motorcycle accidents. The following study was undertaken to determine the relationship between head injuries and helmet use in motorcycle accident, as well as analysis of general motorcycle accident.
Adolescent ; Americas ; Craniocerebral Trauma ; Head Protective Devices ; Humans ; Incidence ; Jurisprudence ; Korea ; Motor Vehicles ; Motorcycles* ; United States

To analyzed the progression of white matter maturation and white matter pathology, MR imaging of the brain was obtained in 38 children with delayed development. Children with developmental delay showed a high incidence of MR abnormalities(34/38, 89.5%). Delayed pattern of myelination and gray-white matter differentiation was seen in 13 patients. Twenty-two patients had white matter patholgy, including 14 with white matter hypoplasia, seven with focal small infarction, five with periventricular leukomalacia, and three with high signal intensities on T2 weighted image. Associated structural abnormalities were also evaluated. The most common lesions in decreasing frequency were cerebral atrophy and dysgenesis of the corpus callosum, pachygyria and/or polymicrogyria, porencephalic cyst and Leigh's disease. Twenty-three of 34 children had multiple abnormalities on MRI. The MRI was useful in depicting the progression of myelination and other white matter lesions, and serial follow-up MR is recommended for patients with delayed or lack of myelination and gray-white matter differentiation.
Abnormalities, Multiple ; Atrophy ; Brain* ; Child* ; Corpus Callosum ; Follow-Up Studies ; Humans ; Incidence ; Infant, Newborn ; Infarction ; Leigh Disease ; Leukomalacia, Periventricular ; Lissencephaly ; Magnetic Resonance Imaging* ; Myelin Sheath ; Pathology ; Polymicrogyria ; White Matter*

No abstract available.