To estimate the prevalence and trend of obesity in primary school-age children, obesity survey was performend in children aged 6 to 12 years(5,226 boys and 5,048 girls)in Kwangju in 1991. Obesity was defined as overweight if more than 20 per cent above the median weight for height and age(relative weight>120%). The following results were obtained: 1) The prevalence of obesity that exceeded the weight centiles at each height by more than 97th percentile was 8.78. Boys (9.70%)was not significantly higher than in girls(7.82%)(p>0.05). 2) The prevalence of obesity that exceeded the standard weight for height by more than 20% was 8.82%. Among them, 5.45% were mild obesity and 2.93% were moderate obesity and 0.44% were severe obesity. The prevalence rate of obesity was no significant differences by sex(p>0.05). 3) Regionally, the prevalence of obesity was a lower rate in Kwangiu in 1991 (8.82%)than that in Seoul in 1989(11.68%).
Child* ; Gwangju* ; Humans ; Obesity* ; Obesity, Morbid ; Overweight ; Prevalence* ; Seoul

We present here a brief literature review and a case study of postpartum pulmonary arterial hypertension, a rare and progressive disease with a high maternal mortality rate. The patient, a 32-year-old woman, presented with dyspnea and shivering immediately following an uncomplicated vaginal delivery. The patient had no remarkable individual or familial history. She died 4 hours after her delivery, and an autopsy revealed atherosclerosis of the main pulmonary arteries and characteristic plexiform lesions on the lung. The remaining organs showed no remarkable pathology. We reported pulmonary arterial hypertension associated with pregnancy as the cause of death.
Adult ; Atherosclerosis ; Autopsy ; Cause of Death ; Death, Sudden ; Dyspnea ; Female ; Humans ; Hypertension* ; Lung ; Maternal Mortality ; Pathology ; Postpartum Period* ; Pregnancy ; Pulmonary Artery ; Shivering

Hospitals have been very susceptable to changes in external environment. Accordingly, they have been experiencing great financial difficulty due to low insurance rates and increasing competition. As a remedy, hospitals have attempted to use computer in a strategic manner. Such system is called strategic information system (SIS) , and order communication system (OCS) is an example of SIS in hospital setting. While OCS has known to be effective in reducing waiting time for outpatients, many hospitals are reluctant to introduce this system mainly because there are no real data or methods for justifying the cost of the system. Cost-benefit analysis has been traditionally used for such purpose, but this method deals with limited portion of benefits and therefore not very useful for analyzing the economic feasibility of SIS. In this paper, information economics tools which expand cost with value was used to analyze the economic feasibility of OCS. To assist the analysis, financial simulation model was developed using simulation package, called IFPS (Interactive Financial Planning System).
Cost-Benefit Analysis ; Humans ; Information Systems ; Insurance ; Outpatients

No abstract available.
Animals ; Cadmium Chloride* ; Cadmium* ; Nasal Mucosa* ; Rats*

No abstract available.
Enterotoxigenic Escherichia coli* ; Enterotoxins*

No abstract available.
Ascites* ; Gallbladder* ; Ultrasonography*

BACKGROUND: Thromboembolism is the major complication in patients with the insertion of cardiac prosthetic valves. The purpose of this study is evaluate the risk factors about the formation of left atrial thrombi after cardiac valve replacement. METHOD: Transesophageal(TEE) and transthoracic echocardiography(TTE) were done to evaluate postoperative cardiac condition in 98 patients with cardiac prosthetic valves from Jan. 1991 to Oct 1991. Several clinical and echocardiographic parameters were analyzied to evaluate the relationship with the formation of left atrial thrombi. RESULT: In univariate analysis, important factors related to the formation of left atrial thrombi are type of operation (p=0.027), postoperative left ventricular function(p=0.003), preoperative(p=0.037) and postoperative systolic ventricular size(p=0.024). However, in multivariate analysis postoperative left ventricular size(p=0.017), presence of previous thrombi(p=0.014), preoperative left atrial size(p=0.014) and postoperative left atrial size(p=0.014) are significant factors. CONCLUSION: Patients with high risk and low risk for the formation of left atrial thrombi after valve replacement can be identified by readily available clinical and echocardiographic variables.
Echocardiography ; Heart Valves ; Humans ; Multivariate Analysis ; Risk Factors* ; Thromboembolism

BACKGROUND: Serious pulmonary complications after lung surgery increase morbidity and mortality in perioperative period. Ketamine hydrochloride produces strong analgesic effect in spite of the psychomimetic effects. Intravenous anesthesia with ketamine was performed in lung surgery of patients with decreased pulmonary function and compared with inhalation anesthesia with enflurane. METHODS: Sixty patients, scheduled for elective lung surgery, were randomly assigned to two groups. Patients received either enflurane (Group 1, n=30) or ketamine (Group 2, n=30) as main anesthetic drug. Blood pressure and heart rate were compared in preinduction, postinduction, postintubation, postincision, intraoperative period (30 minutes, 60 minutes) and recovery room between groups, and in each group. Arterial blood gas analysis was compared in preoperative period, intraoperative period and recovery room between groups. Postoperative psychological complications evaluated in group 2. RESULTS: Blood pressure and heart rate were significantly different in postinduction, postintubation and recovery room between groups. PaO2 in group 2 was higher than in group 1 during intraoperative period and recovery room. Postoperative psychological complications occured in 4 patients (13%) in group 2. CONCLUSIONS: Ketamine affords advantage over enflurane anesthesia in terms of PaO2 during intraoperative period and recovery room in lung surgery of patients with decreased pulmonary function.
Anesthesia ; Anesthesia, Inhalation* ; Anesthesia, Intravenous* ; Blood Gas Analysis ; Blood Pressure ; Enflurane* ; Heart Rate ; Humans ; Inhalation* ; Intraoperative Period ; Ketamine* ; Lung* ; Mortality ; Perioperative Period ; Preoperative Period ; Recovery Room

The pulmonary microvasculatures of rats were studied by injection replicas prepared from Mercox. This medium enabled us to easily obtain consistent, stable, and complete injected replicas of the pulmonary vasculature. In order to investigate the three dimensional structures of the tributaries of the bronchial artery, such as the capillary plexus and vasa vasorum, we performed a scanning electron microscopic(SEM) study of the vascular casts, using Mercox CL-2B as a media. The alveolar capillaries revealed hexagonal or pentagonal rings of vascular networks. In some areas, the vascular rings composed a square network, The bronchial tree was supplied by the bronchial arteries which form a coarse capillary extending as far as the terminal bronchioles. Occasionally the capillary plexus was connected with adjacent capillary networks in and around the alveolar walls. The walls of the pulmonary artery revealed only a single layer of the vasa vasorum, but those of the pulmonary vein were surrounded by more complicated and well developed vasa vasorum than the pulmonary arterial side. The mean diameters of the venous vasa vasorum are greater than the arterial vasa vasorum.
Rats ; Animals

No abstract available.
Child* ; Epilepsy* ; Humans