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BACKGROUND AND OBJECTIVES: Little is known about opioid prescribing for children without severe conditions. We studied the prevalence of and indications for outpatient opioid prescriptions and the incidence of opioid-related adverse events in this population. METHODS: This retrospective cohort study between 1999 and 2014 included Tennessee Medicaid children and adolescents aged 2 to 17 without major chronic diseases, prolonged hospitalization, institutional residence, or evidence of a substance use disorder. We estimated the annual prevalence of outpatient opioid prescriptions and incidence of opioid-related adverse events, defined as an emergency department visit, hospitalization, or death related to an opioid adverse effect. RESULTS: There were 1 362 503 outpatient opioid prescriptions; the annual mean prevalence of opioid prescriptions was 15.0%. The most common opioid indications were dental procedures (31.1% prescriptions), outpatient procedure and/or surgery (25.1%), trauma (18.1%), and infections (16.5%). There were 437 cases of opioid-related adverse events confirmed by medical record review; 88.6% were related to the child’s prescription and 71.2% had no recorded evidence of deviation from the prescribed regimen. The cumulative incidence of opioid-related adverse events was 38.3 of 100 000 prescriptions. Adverse events increased with age (incidence rate ratio = 2.22; 95% confidence interval, 1.67–2.96; 12–17 vs 2–5 years of age) and higher opioid doses (incidence rate ratio = 1.86 [1.45–2.39]; upper versus lower dose tertiles). CONCLUSIONS: Children without severe conditions enrolled in Tennessee Medicaid frequently filled outpatient opioid prescriptions for acute, self-limited conditions. One of every 2611 study opioid prescriptions was followed by an opioid-related adverse event (71.2% of which were related to therapeutic use of the prescribed opioid).

Objective. To compare perinatal outcomes among the managed care organizations (MCOs) providing care to beneficiaries enrolled in TennCare, Tennessee's capitated Medicaid managed care program. Design. Retrospective cohort analysis. Subjects. Infants born in Tennessee during 1995 to women enrolled in TennCare. Primary Outcome Measures. Prenatal care use, birth weight (BW), death in the first 60 days of life, and delivery of extremely low BW ( Results. During 1995, 34 402 infants were born to mothers enrolled in TennCare. The MCOs differed widely in the demographic characteristics of their enrollees. In addition, there were small differences in prenatal care utilization, but no differences in BW outcomes among the MCOs. In multivariate analysis, however, infants born to women enrolled in 1 MCO were 2.8 times more likely to die in the first 60 days of life than were infants born to women enrolled in the largest MCO (OR: 2.81; 95% CI: 1.31–6.03). Women enrolled in this same MCO seemed to have a higher proportion of extremely low BW ( Conclusion. The differences among MCOs in early infant death and in the delivery of high-risk infants in hospitals lacking appropriate neonatal facilities suggest that monitoring of care delivery to vulnerable children should include assessment of appropriate use of specialized services.

Objectives.To identify sociodemographic predictors of infant injury mortality and to compare trends in injury mortality rates for high- and low-risk US infants from 1985 to 1991.Design.Historical cohort.Setting/Study Participants.The National Center for Health Statistics linked US infants (Main Outcome Measures.Multivariate regression was used to identify sociodemographic factors associated with injury mortality. The adjusted relative risks (RRs) of maternal age, education, marital status, number of other children, and infant birth weight were used to categorize infants into risk groups. We compared trends in injury rates for the highest and lowest risk groups.Results.There were 5963 injury deaths and 18.6 million infant years or 32.1 injury deaths per 100 000 infant years. Highest risk infants were born to mothers who were younger than 20 years compared with older than 30 years (RR, 3.25; 95% CI, 2.92–3.63), had less than a high school education compared with a college education (RR, 2.22; 95% CI, 1.95–2.53), had more than 2 other children compared with no other children (RR, 3.15; 95% CI, 2.88–3.45), were unmarried (RR, 1.67; 95% CI, 1.57–1.78), or had birth weights ≤1500 g compared with >2500 g (RR, 3.36; 95% CI, 2.94–3.84). Infants in the highest risk group (21.0% of the population) had a >10-fold increased risk of injury mortality compared with the lowest risk group (18.1% of the population) and there was no evidence that this disparity was narrowing.Conclusions.Sociodemographic predictors of infant injury mortality include maternal age, education, number of other children, marital status, and infant birth weight. Based on these factors, 1 in 5 infants in the United States can be identified at birth as having a >10-fold increased risk of injury mortality compared with infants in lowest risk group. Programs to reduce injuries in these high-risk groups are urgently needed.

To evaluate the risks of seizures and other neurologic events following measles-mumps-rubella (MMR) or measles-rubella (MR) immunization, a retrospective cohort study was conducted among 18 364 Tennessee children enrolled in Medicaid who received MMR or MR immunizations in their first 3 years of life. One hundred children had seizures at some time between immunization and 36 months; there were no encephalopathies during this period. Four children had febrile seizures in the 7 through 14 days following MMR or MR immunization compared with 72 in the interval 30 or more days following MMR or MR immunization yielding a relative risk (95% confidence interval) of 2.1 (0.7 to 6.4). Although not statistically significant, this increase in febrile seizures in the 7- through 14-day interval following MMR immunization is coincident with the occurrence of fever following MMR immunization and is consistent with reports of other investigators.

During the acellular pertussis vaccine trial in Sweden, 4 children who were randomly assigned to receive the vaccine died of suspected or confirmed bacterial infections compared to 1 expected. There were no deaths in the placebo arm. This raised concern about the role of pertussis immunization in the development of serious infections. Through linking computerized immunization records with an active surveillance system for serious bacterial infections in children, the authors studied a cohort of 64 591 children immunized through Tennessee county health clinics who had a total of 158 episodes of invasive bacterial infections after a diphtheria and tetanus toxoids and pertussis (DTP) immunization. There were 8 invasive bacterial infections that occurred within the first 7 days following DTP immunization,yielding an age-adjusted relative risk (95% confidence interval) of 1.0 (0.5 to 2.0), compared to the interval 29 or more days following immunization. There were 7 and 20 infections in the 8- through 14- and 15-through 28-day intervals following DTP immunization, giving relative risks of 0.8 (0.4 to 1.7) and 1.2 (0.7 to 1.9), respectively. These data provide reassurance that the use of DTP vaccine is not followed by a large increased risk of serious bacterial infections.