BACKGROUND: Supplier induced demand (SID) indicates the case when doctors increase the demand of the patients, following their (physicians') own best interests rather than patients'. This may occur when asymmetry of information exists between suppliers and consumers. This study aims to confirm whether SID exists in the Korean setting, particularly by dividing SID into both 'induced demand effect' and 'availability effect.' METHODS: Induced demand effect and availability effect are differentiated following Carlsen & Grytten's theoretical frame which divides doctor density regions into high and low ones. RESULTS: Positive correlation between doctors' density and utilization of their services was found, which could be interpreted as 'availability effect.' CONCLUSION: The result suggests that additional medical use for additional doctor, particularly in the area of low doctor density, can be interpreted to occur to meet the basic medical need of the people rather than as a result of unnecessary induced demand. It is important to make more medical doctors provided and to distribute them appropriately across the region in such a country like Korea where doctor's density is relatively low.
Humans ; Korea* ; Sudden Infant Death

No abstract available.
Female ; Humans ; Male ; Sudden Infant Death/*pathology

Hirschsprung's disease is a common functional obstructive disease in infants, and a lot of knowledge and experience have been accumulated about this disease. But the exact genesis of Hirschsprung's disease is still unknown, as well as there is a lack of knowledge about the pre- or postoperative complications. Enterocolitis is a common and serious complication that can cause death. The authors experienced sudden death with three cases that were treated with Duhamel's operation under the confirmed diagnosis of the Hirschsprung's disease. To prevent such sudden and unexpected death, we report here on some of the medical procedure that we performed for these 3 patients.
Death, Sudden ; Enterocolitis ; Hirschsprung Disease ; Humans ; Infant ; Postoperative Complications

We examined the child-rearing environmental factors that affect the occurrence of sudden infant death syndrome (SIDS) using a nationwide survey. Infants who died due to SIDS between January 1996 and June 1997 in Japan were identified from death certificates. Controls of the same gender, birthplace, and birth months as the corresponding SIDS were chosen from birth certificates. Interviews of both cases and controls were undergone in January and February, 1998 by public health nurses. The following child-rearing factors exhibited a significant relationship with the occurrence of SIDS: Concerning the sleeping position, the prone position was associated with increased risk compared with the supine position, with an odds ratio of 3.02 (95% c.i. 2.07~4.65). Regarding the feeding method, artificial feeding alone demonstrated a higher risk than breast feeding alone, with an odds ratio of 4.92 (95% c.i. 2.78~9.63). With regard to smoking, infants with both parents who smoked exhibited a higher risk than infants where neither parent smoked, with an odds ratio of 3.50 (95% c.i. 1.74~8.32).
Sudden infant death syndrome ; occurrence ; Lower case sea ; Risk ; Affect

In 1969, the International Conference proposed a definition of sudden infant death syndrome (SIDS): the sudden death of any infant or young child which is unexpected by history and in whom a thorough necropsy fails to demonstrate an adequate cause of death. The National Institute of Child Health and Human Development redefined SIDS in 1989, requiring death scene investigation with age restriction under 12 months. These definitions, however, are not adequate for the countries having under-organized medico-legal system. In South Korea, no mandatory or customary complete medico-legal investigation is not performed in the sudden child death cases, including autopsy. As a consequence, SIDS can be diagnosed as 'unknown 'by non-pathologists. Even in autopsy cases, the pathologists can not collect proper medical history by themselves. Furthermore, scene investigation is just performed by police or omitted. Age in SIDS is a controversial problem in both upper and lower limit. So the authors concluded that the above two definitions of SIDS are not agreeable with the country such as South Korea. We proposed a new concept of sudden child death syndrome (SCDS), which means 'the sudden death of any infant including neonate with good condition after birth, or young child which reveals no definite cause of death by inspection or autopsy ', for the purpose of not unreasonable diagnosis and adequate research in the countries having under-developed postmortem investigation system.
Autopsy ; Cause of Death ; Child* ; Death, Sudden ; Diagnosis ; Humans ; Infant ; Infant, Newborn ; Korea ; National Institute of Child Health and Human Development (U.S.) ; Parturition ; Police ; Sudden Infant Death*

This is a statistical analysis based on the data of legal autopsies under 1 year of age performed at the Headquarters of the National Institute Scientific Investigation, requested from law enforcement agencies from 1996 to 2000. This report aims to analyse various aspects of 530 unusual deaths under 1 year of age in Korea, chiefly Seoul and its surrounding area. Male was 55.8% and female was 44.2%. Unnatural deaths were 39.6%, natural 53.4%, and the unknown 7.0%. Homicide occupied 66.7% in unnatural death and asphyxia was 41.4%, starvation and neglect 35.0%, and trauma 20.7% in homicide. Smothering was the leading cause of asphyxial homicide and accidental death. Natural death including perinatal disorders, sudden infant death syndrome and congenital malformations was the main cause of death in this age group.
Asphyxia ; Autopsy* ; Cause of Death ; Female ; Homicide ; Humans ; Korea ; Law Enforcement ; Male ; Seoul ; Starvation ; Sudden Infant Death

PURPOSE: The purposes of this study were to develop an infant sleep health education program using a video for SIDS prevention education and to measure the effects of the program. METHODS: The infant sleep health education program consisted of presentations and motor images. The formation of educational material was directed by the systematic design of instruction. Participants in this study were 59 primiparous women from postpartum care centers. The instruments used in this study were criterion referenced test items for knowledge about infant sleep health and confidence inventory. Experimental group I was given the treatment of infant sleep health education program. Experimental group II was given the program using a video reinforcement after 2 weeks. On the other hand, control group was given no treatment. RESULTS: There was a significant increase in knowledge and confidence in the performance of mother's roles of both experimental group I and experimental group II over the control group. No significant difference was founds for knowledge and confidence in the performance of mother's roles between experimental group I and II. CONCLUSION: The results indicate that this program is a very effective intervention for better sleep health in infants by helping the mothers increase confidence in their role performance.
Education* ; Female ; Hand ; Health Education ; Humans ; Infant ; Mothers ; Postnatal Care ; Sudden Infant Death*

Venipuncture is a routine and relatively safe and painless medical procedure, necessary for accurate diagnosis and treatment. However, given that pain related to medical procedures may have adverse effects for children, could venipuncture cause deaths in infants and children? We analyzed our cases of unexpected death after venipuncture and conducted a literature review on them. A vasovagal response to noxious stimuli may explain such a sudden death immediately after venipuncture, commonly presented as needle phobia, breath-holding spell, and reflex anoxic seizure in the literature, despite the fact that the current medical evidence is not enough to prove their casual relationship. In addition, pain prevention and management during medical procedure is incorporated in clinical guidelines for pediatric patients, because painful medical procedures negatively affect child development. Thus, prevention and management of pain related to medical procedure may be helpful to avoid an adverse vasovagal response to noxious stimuli from occurring.
Autopsy ; Child ; Child Development ; Death, Sudden ; Diagnosis ; Forensic Pathology ; Humans ; Infant ; Infant Death ; Needles ; Phlebotomy ; Phobic Disorders ; Reflex ; Seizures

The purpose of this study was to compare the sleep characteristics between the prone and the supine position in healthy newborns. The 48 newborns were observed in the prone position and the supine position respectively on the 2nd day after birth. The data were collected from January to May, 1999. The state of a newborn was classified and categorized to 6 states (deep sleep, light sleep, drowsy, quiet alert, active alert, crying) by Barnard. The movements of eyes, face and extremities, pulse and arterial oxygen were observed and recorded continuously from the start of sleep after feeding until the time of being woken for the next feeding by a trained nurse. The data was analyzed by using paired t-test. The results of this study were as follows; 1. There was no significant difference in the length of sleeping time between the prone and the supine position. 2. There was no significant difference in the length and frequencies of each states(deep sleep, light sleep, drowsy, quiet alert, active alert, crying) between the prone and the supine position. But the frequency of light sleep in the supine position was significantly higher than that of the prone position. 3. There was no significant difference in the numbers of eyes movements between the prone and the supine sleep position. But the amount of facial and extremity movement in the supine position was significantly higher than those in the prone position 4. There was no significant difference in the arterial oxygen content between the prone and the supine sleep position. 5. There was no significant difference in the heart rates between the prone and the supine sleep position. The above results indicated that the newborns in the prone position moved less and slept deeper than those in the supine position, though there was no difference in the length of sleep or arterial oxygen content between the prone and the supine sleep position. But, Nurses and mothers should consider the relationship between the sleep position and SIDS suggested by previous researches. The infant's 'awakening' during sleep is a normal process and rather valuable because it can provide an opportunity to promote a stronger relationship between mother and baby. So, It is suggested that the supine sleep position is better than the prone sleep position for infants.
Extremities ; Heart Rate ; Humans ; Infant ; Infant, Newborn* ; Mothers ; Oxygen ; Parturition ; Prone Position ; Sudden Infant Death ; Supine Position ; Child Health

Phenylepherine HCI widely used as a mydriatic and vasoconstrictor, have been generally considered safe and innocuous. But hypertension caused by instillation of phenylepherine HCI is frequently reported, and even severe systemic adverse reactions, such as myocardial in farction, sudden death etc. are reported, recently. For the purpose of studying alteration of B.P. and systemic adverse reactions that are caused by instillation of phenylephrine HCI. we divided 42 patients into 2 groups; group 1 includes 20 patients who are instilled once a drop of 10% phenylephrine HCI viscous solution into the conjunctival cul-de-sac of bOth eyes, group 2 includes 22 patients who are instilled twice a drop at 2 minute intervals. We observed alteration of B.P. and systemic adverse reactions in both groups, next made a comparative study, and mydriatic effect too. The results was generally there was no severe reaction, but marked increase of B.P. that statistically significant was observed in 3 patients. There was no significant difference between the 2 groups. In mydriatic effect, the significant difference was not observed between the 2 groups or according to the age. When a clinician does its instillation, he should keep possible adverse reactions in mind. and especially in cardiac disease, hypertensjon, aneurysms, advanced arteriosclerosis, infants and the elderly etc., who have much chance of accompanying severe adverse reactions, he should use phenylepherine HCI cautiously. (this time it is desirable that he use low percentage of phenylepherine HCI).
Aged ; Aneurysm ; Arteriosclerosis ; Death, Sudden ; Heart Diseases ; Humans ; Hypertension ; Infant ; Mydriatics ; Phenylephrine*