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Aim: Assessing rates of neurodevelopmental problems (NDPs) in 11‐year‐old children and possible association with other health complaints and school performance. Methods: In‐school study of 11‐year‐old children as an add‐on assessment to the 4th grade regular health check‐up, comprising a structured physical neurodevelopmental examination, neuropsychological assessment, behavioural ratings, maternal interview, review of medical records and academic achievements. Results: Out of 348 children recruited from eight schools, 223 (64%) participated. Any physical condition was found in 102/222 (46%), most commonly atopy (18%). One in five had a BMI z‐score >2 standard deviations over the reference mean. One or more NDP was found in 86/221 (40%) children. The number of failed national tests correlated positively with NDP severity rated with the clinical global impression severity instrument (Spearman's r = 0.41, p < 0.001). The majority of participants with failed national tests, also had co‐occurring health complaints (≥2 of: stomach or extremity ache, headache, difficulties sleeping, internalising symptoms or obesity) and NDPs. Conclusion: Health complaints, physical conditions and NDPs are very common in 11‐year‐old children and warrant adequately staffed, thoroughly equipped school healthcare services. [ABSTRACT FROM AUTHOR]

Early Symptomatic Syndromes Eliciting Neurodevelopmental Clinical Examinations (ESSENCE) is an umbrella term covering a wide range of neurodevelopmental difficulties and disorders. Thus, ESSENCE includes attention-deficit/hyperactivity disorder (ADHD), autism spectrum disorder (ASD), and other neurodevelopmental disorders (NDDs) and difficulties, with a variety of symptoms in cognitive, motor, sensory, social, arousal, regulatory, emotional, and behavioral developmental domains, frequently co-occurring and likely having partly common neurobiological substrates. The ESSENCE concept is a clinical paradigm that promotes organizing NDDs in everyday clinical practice according to their coexistence, symptom dimensions overlapping, and treatment possibilities. Despite increased knowledge regarding NDDs, the neurobiological mechanisms that underlie them and other ESSENCE-related problems, are not well understood. With its wide range of neural circuits and interactions with numerous neurotransmitters, the orexin/hypocretin system (Orx-S) is possibly associated with a variety of neurocognitive, psychobiological, neuroendocrine, and physiological functions and behaviors. Dysfunction of Orx-S has been implicated in various psychiatric and neurological disorders. This article provides an overview of Orx-S dysfunctions' possible involvement in the development, presentation, and maintenance of ESSENCE. We provide a focused review of current research evidence linking orexin neuropeptides with specific clinical NDDs symptoms, mostly in ADHD and ASD, within the Research Domain Criteria (RDoC) framework. We propose that Orx-S dysfunction might have an important role in some of these neurodevelopmental symptom domains, such as arousal, wakefulness, sleep, motor and sensory processing, mood and emotional regulation, fear processing, reward, feeding, attention, executive functions, and sociability. Our perspective is presented from a clinical point of view. Further, more thorough systematic reviews are needed as well as planning of extensive new research into the Orx-S's role in ESSENCE, especially considering RDoC elements. [ABSTRACT FROM AUTHOR]

Purpose: Determine the prevalence of symptoms of neurodevelopmental problems (NDPs) with a semi-structured review of fourth grade students' medical records, its interrater agreement and validity as compared with clinical assessment. Methods: A school-based sample of 11-year-old children provided child health care (CHC) records and school health care (SHC) records. A pediatric neurologist, child psychiatrist and an adult psychiatrist scored the records, with the "Early Symptomatic Syndromes Eliciting Neurodevelopmental Clinical Examinations-Questionnaire" (ESSENCE-Q, 12 items scored 0– 2, summary score range 0– 24). Agreement was measured with model-based kappa and intraclass correlation coefficient (ICC). Ratings were validated against a multidisciplinary assessment involving a physician, psychologist, teacher- and parental behavioral rating scales rendering a clinical global impression severity rating (CGI-S, range 1– 7) of NDPs. Results: Out of 223 participants, medical charts were available from 201, of whom 169 were rated by all three raters. Kappa agreement was moderate/strong (~0.8) for 7 of the 12 questionnaire items. Measured with the ICC, concordance in the summary score was good for agreement (~0.8) and excellent (~0.9) for consistency. Test–retest reliability was excellent (ICC = ~0.9). Area under the curve for the ESSENCE-Q in predicting clinical-level problems (CGI ≥ 4) was ~80% for all three raters, albeit with differing optimal cutoffs. Conclusion: Using the ESSENCE-Q as a template, NDPs appear to be common in medical records, are identified reliably, and predict clinical-level concern. Medical records screening may facilitate a structured review of medical records in work-ups or be applied in conjunction with other screening measures for neurodevelopmental disorders. However, differences in calibration currently preclude defining a universal cutoff for using the ESSENCE-Q for medical records screening. [ABSTRACT FROM AUTHOR]

Purpose: To determine the prevalence of parent-rated developmental concern using the ESSENCE-Q (Early Symptomatic Syndromes Eliciting Neurodevelopmental Clinical Examinations-Questionnaire, 12-items, score range 0– 24) and to ascertain the predictive validity and optimal cutoff level of the instrument in a school-based sample of 11-year-old children. Methods: In a cross-sectional, school-based study, participants underwent a clinical assessment by a physician and a psychologist, teachers and parents completed the SDQ (Strength and Difficulties Questionnaire), medical health records and national tests were reviewed, and parents independently completed the ESSENCE-Q. In a case-conference outcomes were defined as a) the need for further clinical work-up due to suspected neurodevelopmental problems (NDPs) and b) degree of investigator-rated symptoms/impairment from NDPs on the CGI-S (Clinical Global Impression-Severity instrument, range 1– 7, 4– 7 defined as clinically symptomatic). Classification and optimal cutoffs of the ESSENCE-Q were determined using ROC (Receiver Operating Characteristic) analysis. Results: Out of 343 eligible children, 223 enrolled, of whom 173 (50% of all eligible) had a parent-rated ESSENCE-Q. At least one of the 12 possible concerns was reported by parents of 36% of participants. Overall, in 101 (57%) participants a work-up was warranted, and 64 (37%) were clinically symptomatic from NDPs. The AUC of the ESSENCE-Q in detecting need for work-up was 0.70 (95% confidence interval [CI] 0.63– 0.77), and the AUC in detecting clinically symptomatic participants was 0.82 (95% CI 0.76– 0.88). ESSENCE-Q ratings correlated positively with CGI-S scores (r=0.48, p< 0.05). A cutoff of ≥ 3 had the highest accuracy (78%) with a negative predictive value of 82%. Ratings > 6 conferred few false positives cases with positive likelihood ratios > 10 and positive predictive values of 86% or more. Significance: This study of the ESSENCE-Q in 11-year-old children suggests it might be an acceptable instrument for screening of NDPs in children in middle school, optimally in conjunction with other methods. [ABSTRACT FROM AUTHOR]