Posttraumatic stress disorder (PTSD) and posttraumatic stress symptoms (PTSSs) are common for parents of children with life-threatening illnesses or injuries. The impact of these psychological sequelae on parents' personal use of health services is unknown. The present study aimed to investigate whether PTSS severity prospectively predicts increased health service utilization (HSU), and to examine the relative importance of other predisposing and enabling factors in predicting HSU.The sample comprised 106 parents of children with various life threatening illnesses, who completed a resource use questionnaire at 19 months following their child's diagnosis or admission. HSU was assessed as reported general practitioner and psychologist visits.Parent PTSS severity at 7 months following their child's diagnosis or hospital admission predicted being in higher service utilization categories in the following 12 months; as PTSS score increased, the odds of being in higher categories increased. Hierarchical ordinal logistic regression procedures indicated predisposing and enabling factors failed to further explain HSU.These findings highlight the importance of PTSSs to HSU and are consistent with studies of samples experiencing other forms of trauma, such as war or natural disaster. Our results also suggest that an individuals' need, in terms of the severity of their PTSSs, appears most important in predicting their health service engagement. Although this is positive, the effectiveness of this service use, in terms of cost and outcomes, remains unclear. Further, despite the levels of PTSSs observed in the present sample, a minority of individuals sought psychosocial care. (PsycINFO Database Record
Using a manikin, equivalent free-field sound pressure level measurements were made from the portable digital audio players of 219 subjects, aged 10 to 17 years (93 males) at their typical and “worst-case” volume levels. Measurements were made in different classrooms with background sound pressure levels between 40 and 52 dBA. After correction for the transfer function of the ear, the median equivalent free field sound pressure levels and interquartile ranges (IQR) at typical and worst-case volume settings were 68 dBA (IQR = 15) and 76 dBA (IQR = 19), respectively. Self-reported mean daily use ranged from 0.014 to 12 h. When typical sound pressure levels were considered in combination with the average daily duration of use, the median noise exposure level, Lex, was 56 dBA (IQR = 18) and 3.2% of subjects were estimated to exceed the most protective occupational noise exposure level limit in Canada, i.e., 85 dBA Lex. Under worst-case listening conditions, 77.6% of the sample was estimated to listen to their device at combinations of sound pressure levels and average daily durations for which there is no known risk of permanent noise-induced hearing loss, i.e., ≤ 75 dBA Lex. Sources and magnitudes of measurement uncertainties are also discussed.
Computerized neuropsychological tests (CNTs) are widely used internationally in concussion management. Their prognostic value for predicting recovery post-concussion is poorly understood, particularly in pediatric populations. The aim of the present study was to examine whether cognitive functioning (measured by CogSport) has prognostic value for predicting rapid versus slow recovery. This is a prospective longitudinal observational cohort study conducted at a state-wide tertiary pediatric hospital. Data were collected at 1–4, 14, and 90 days post-injury. Eligible children were aged ≥5 and <18 years presenting to the Emergency Department having sustained a concussion within 48 h. Concussion was defined according to the Zurich/Berlin Consensus Statement on Concussion in Sport. Dependent variables were reaction times and error rates on the CogSport Brief Battery. In total, 220 cases were analyzed; 98 in a rapid recovery group (asymptomatic at 14 days post-injury, mean age 11.5 [3.2], 73.5% male) and 122 in a slow recovery group (symptomatic at 14 days post-injury, mean age 12.0 [3.1], 69.7% male). Longitudinal GEE analyses modeled the trajectories of both mean log10-transformed reaction time and error rates between groups over time (1–4, 14 and 90 days). Both group main and interaction (time by group) terms for all models were non-significant (p > .05). Cognitive functioning, measured by CogSport and assessed within 1–4 days of concussion, does not predict prolonged recovery in a pediatric sample. Further, there were no significant group differences at any time point. Considering the widespread use and promotion of CNTs, it is important that clinicians understand the significant limitations of the CogSport battery.
By age 16, 20% of children will suffer a concussion. Many experience persisting post-concussive symptoms (PCS), the cause(s) of which remain unclear. We mapped concussion recovery to 3 months post-injury and explored non-modifiable (e.g., age, sex, pre-injury factors, injury mechanism, acute PCS) and modifiable (post-acute child symptoms) predictors of persisting symptoms in order to identify opportunities for early intervention. We conducted a prospective, longitudinal study in the emergency department of a tertiary, pediatric hospital recruiting children within 48 h of concussion (T0), with follow-up at 2 days (T1), 2 weeks (T2), 1 month (T3), and 3 months (T4). Primary outcome was T2 clinician diagnosis. Clinical history, injury mechanism, acute symptoms, and physical and cognitive function were assessed. Parents rated child behavior and fatigue, and their mental health. We enrolled 256 participants, 72% males: 62 (24.3%) were symptomatic at T2. Recovered and symptomatic groups endorsed similar pre-injury PCS, but group differences were found at T1 across all PCS subscales, except Emotional, where symptoms were not evident until T2. By T2, there was significant PCS reduction, steepest in the "Recovered" group, which also had a lower rate of pre-injury psychiatric diagnoses, acute CT scans and less severe parent-rated PCS at T1 than the symptomatic group. They all demonstrated lower parent-rated PCS and less internalizing behaviors (all, p < 0.01). No differences were detected for child age, sex, injury factors, pre-injury parent-rated PCS, or acute physical and cognitive status. Our findings also highlight the importance of considering both pre- and post-injury mental health status in managing post-concussion.
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