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Knowledge on the quality of life of children with headache is lacking. Until now only a few studies in this field have provided information on a limited number of life domains. The aim of this study was to assess the quality of life in a comprehensive number of life domains in children with primary headache presenting at an out-patient paediatric department in a general hospital. From October 2003 to October 2005 all children referred to the out-patient paediatric department of the Vlietland Hospital because of primary headache were investigated by protocol. A thorough history was taken and a general physical and neurological examination was performed. The International Headache Society criteria were used for classification. Quality of life (QoL) was measured using the Dutch version of the Child Health Questionnaire (CHQ-PF50 Dutch edition) and compared with data from a previously investigated cohort of healthy children from the same region, and with data from a cohort of children from the USA with asthma or with attention deficit hyperactivity disorder (ADHD), investigated with the CHQ-PF50. A total of 70 primary headache patients were included in the study (25 with tension-type headache, 36 with migraine, seven with chronic tension-type headache, two with both tension-type headache and migraine). Their mean age was 10.6 years (range 4–17 years); 37 children were male. On all but one subscale (self-esteem) the QoL of the children with primary headache was decreased compared with the cohort of healthy children, especially on the domains of mental health, parental impact time and family cohesion. Compared with the cohort of children with asthma the QoL was significantly worse for our headache group on seven subscales and significantly better on one subscale (general health perception). Compared with the cohort of children with ADHD, the QoL was significantly worse on six subscales but significantly better on three subscales. There were no significant differences on any QoL subscale between children with tension-type headache and children with migraine. We conclude that the QoL in children with primary headache presenting at the out-patient paediatric department of a general hospital seems to be considerably diminished. Furthermore, we conclude that, in this population there is no difference in QoL between children with tension-type headache and those with migraine. [ABSTRACT FROM AUTHOR]

OBJECTIVE: To assess the interrater agreement of the diagnosis and the classification of a first paroxysmal event in childhood. METHODS: The descriptions of 100 first paroxysmal events were submitted to two panels each consisting of three experienced paediatric neurologists. Each observer independently made a diagnosis based on clinical judgment and thereafter a diagnosis based on predefined descriptive criteria. Then, the observers discussed all patients within their panel. The agreement between the six individual observers was assessed before discussion within each panel and after that, between the two panels. RESULTS: Using their clinical judgement, the individual observers reached only fair to moderate agreement on the diagnosis of a first seizure (mean (SE) kappa 0.41 (0.03)). With use of defined descriptive criteria the mean (SE) kappa was 0.45 (0.03). The kappa for agreement between both panels after intra-panel discussion increased to 0.60 (0.06). The mean (SE) kappa for the seizure classification by individual observers was 0.46 (0.02) for clinical judgment and 0.57 (0.03) with use of criteria. After discussion within each panel the kappa between the panels was 0.69 (0.06). In 24 out of 51 children considered to have had a seizure, agreement was reached between the panels on a syndrome diagnosis. However, the epileptic syndromes were in most cases only broadly defined. CONCLUSIONS: The interrater agreement on the diagnosis of a first seizure in childhood is just moderate. This phenomenon hampers the interpretation of studies on first seizures in which the diagnosis is only made by one observer. The use of a panel increased the interrater agreement considerably. This approach is recommended at least for research purposes. Classification into clinically relevant syndromes is possible only in a very small minority of children with a single seizure. [ABSTRACT FROM AUTHOR]

SUMMARY In an unselected cohort of 282 children, serum immunoglobulin (Ig) concentrations were determined shortly after the first presentation with one or more unprovoked epileptic seizures and before the start of treatment with anti-epileptic drugs (AEDs), and after 9–18 months of AEDs use. At intake, IgA, IgG1, IgG2 and IgG4 concentrations were significantly higher than published reference values in healthy age-matched controls. In a subset of 127 children, Ig levels at intake were compared with those after AEDs use for 9–18 months. IgA and IgG4 levels had decreased significantly to normal concentrations, but IgG1 and IgG3 levels increased significantly. To determine the influence of AEDs, Ig levels in children who used carbamazepine or valproic acid monotherapy were analysed separately. The use of carbamazepine was associated with a significant decrease of IgA and IgG4 levels, and the use of valproic acid with a significant decrease of IgA and increase of IgG1 levels. In conclusion, humoral immunity is already altered in children shortly after the first presentation with epileptic seizures. Whether this is the consequence of an exogenous event, and to what extent this is related to an interaction of the central nervous system and the immune system, remains to be evaluated. Treatment with AEDs, such as carbamazepine and valproic acid, is associated with significant changes of Ig (sub)class concentrations. [ABSTRACT FROM AUTHOR]