Congenital transmission (CT) has acquired relevance in Chagas disease (CHD). A cohort of pregnant CHD women (4,355) and their babies were studied in the period 1994–2004. Children were excluded when they had received blood transfusions, or were born or had been in endemic areas; CT rate was 6.1%. Babies were diagnosed between months 1 and 5 in 68.9% of the cases and between months 6 and 12 in 31.1%. In the latter group, parasitemia was detected in 94% and serology in 74.7%. Between months 6 and 9, parasitemia diagnosed 36.2% (P = 0.000) more cases than serology. If serology had been the diagnosis method, those children would have been considered CT free. Taking the overall outcomes, 38.1% of babies were CT free, and 55.8% did not complete the follow-up. Establishing CT as a public health priority and improving first-line health service, congenital CHD coverage could be more efficient in endemic countries.
: This study provides rigorous, prospective data that (1) validates the generalizability of the five World Health Organization/Organization Mondiale de la Santé TBI prognostic predictors outside of the developed world, and (2) provides outcome benchmarks for mortality and morbidity from severe TBI in developing countries.
Objective
To develop, in partnership with families of children with traumatic brain injury (TBI), a post-discharge intervention that is effective, simple and sustainable.
Design
Randomized Controlled Trial
Setting
Seven Level 1 Pediatric Trauma Centers in Argentina.
Patients
Persons less than 19 years of age admitted to one of the study hospitals with a diagnosis of severe, moderate, or complicated mild TBI, and were discharged alive.
Interventions
Patients were randomly assigned to either the Intervention or Standard Care group. A specially trained Community Resource Coordinator (CRC) was assigned to each family in the Intervention group. We hypothesized that children with severe, moderate, and complicated mild TBI who received the intervention would have significantly better functional outcomes at 6-months post-discharge than those who received standard care. We further hypothesized there would be a direct correlation between patient outcome and measures of family function.
Measurements and Main Results
The primary outcome measure was a composite measured at 6-months post-injury. There were 308 patients included in the study; 61% male. Forty-four percent sustained a complicated mild TBI, 18% moderate, and 38% severe. Sixty-five percent of the patients were 8 years old or younger, and over 70% were transported to the hospital without ambulance assistance. There was no significant difference between groups on the primary outcome measure. There was a statistically significant correlation between the primary outcome measure and scores on the Family Impact Module of the PedsQL (ρ= 0.57; p < 0.0001). Children with better outcomes lived with families reporting better function at 6-months post-injury.
Conclusions
While no significant effect of the intervention was demonstrated, this study represents the first conducted in Latin America that documents the complete course of treatment for pediatric patients with TBI spanning hospital transport through hospital care and into the post-discharge setting.
In the context of process capability analysis, the results of most processes are dominated by two or even more quality characteristics, so that the assessment of process capability requires that all of them are considered simultaneously. In recent years, many researchers have developed different alternatives of multivariate capability indices using different approaches of construction.In this paper, four of them are compared through the study of their ability to correctly distinguish capable processes from incapable processes under a diversity of simulated scenarios, defining suitable minimum desirable values that allow to decide whether the process meets or does not meet specifications. In this sense, properties analyzed can be seen as sensitivity and specificity, assuming that a measure is sensitive if it can detect the lack of capability when it actually exists and specific if it correctly identifies capable processes. Two indices based on ratios of regions and two based on the principal component analysis have been selected for the study. The scenarios take into account several joint distributions for the quality variables, normal and non-normal, several numbers of variables, and different levels of correlation between them, covering a wide range of possible situations.The results showed that one of the indices has better properties across most scenarios, leading to right conclusions about the state of capability of processes and making it a recommendable option for its use in real-world practice.
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