P . A . Kovalenko

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BACKGROUND To examine the relationship between respiratory regulation and childhood anxiety disorders, this study considered the relationship between anxiety disorders and symptoms during carbon dioxide (CO(2)) exposure, CO(2) sensitivity in specific childhood anxiety disorders, and the relationship between symptomatic and physiological responses to CO(2).(More)
OBJECTIVE Studies have documented associations between anxiety disorders and allergy in adults, but these associations have not been studied extensively in children. The objective of this study is to examine the associations between allergy and six anxiety disorders (AD) in youth. METHOD This is a data analysis of two epidemiologic-services studies: (i)(More)
BACKGROUND Abnormalities in ventilatory physiology have been noted in adults with panic disorder. We tested the hypothesis that abnormalities in ventilatory physiology differentiate children and adolescents with anxiety disorders from psychiatrically healthy children. METHODS Ventilatory physiology was monitored with a canopy apparatus during room-air(More)
Seasonal variations were assessed in symptoms of internalizing (anxiety and mood), externalizing (attention-deficit/hyperactivity and oppositional defiant disorders), and substance use disorders in youth. This study is based on secondary data analysis of two NIMH-funded epidemiologic-services studies: (a) Alternative Service Use Patterns by Youth with(More)
The perturbative part of the effective QCD Lagrangian was constructed by the renormalization group approach in the 4-loop approximation. It was extrapolated in the non-perturbative region under the assumption of the existence of gluon condensate at (F j μν) 2 = F 2 0 . The best result is F 2 0 ≈ 0.4 GeV. The present work is devoted to the construction of(More)
Clinical, immunological, liquorological, roentgenological, rheovasographic, myelographic methods and computerized tomography (CT) were used to investigate 153 patients with spondylogenic lumbosacral radiculitts. The data expanded our knowledge of pathogenesis of neurological signs of lumbar osteochondrosis. Diagnostic capacities of CT in this ailment were(More)