WHAT'S KNOWN ON THIS SUBJECT:Military deployment of a parent influences children's behavior in a variety of settings. The clinical significance of these deployment-associated behavior changes has not been determined. WHAT THIS STUDY ADDS:Children experiencing separation from a parent due to wartime military deployment have an 11% increase in outpatient visits for mental and behavioral health complaints, which contrasts with a general deploymentassociated decrease in health care visits in all other diagnostic categories.abstract BACKGROUND: Children of military personnel face stress when a parent deploys. OBJECTIVE: Our goal was to determine the effect of parental military deployment on the relative rate of outpatient visits for mental and behavioral health disorders in children aged 3 to 8 years. METHODS:This was a retrospective cohort study. Records of children of active-duty personnel during fiscal years 2006 and 2007 were linked with their parent's deployment records. Mental and behavioral health visits were identified by using International Classification of Diseases, Ninth Revision, codes. The incidence rate ratio (IRR) of visits per year according to parental deployment status was determined with random-effects negative binomial regression modeling with longitudinal data analysis. RESULTS: A total of 642 397 children aged 3 to 8 years and 442 722 military parents were included. Mean child age was 5.0 years (SD: 1.9 years); 50.6% were male, and 68.0% were white. Ninety percent of the parents were male, and 90.5% were married; 32.0% of the parents were deployed during the study. There were 1 049 081 person-years with 611 115 mental and behavioral health visits (0.6 visit per year). The IRR of mental and behavioral health visits for children with a deployed parent compared with when a parent was home was 1.11 (95% confidence interval [CI]: 1.07-1.14; P Ͻ .001). IRRs of pediatric anxiety, behavioral, and stress disorders when a parent deployed were 1.14 (95% CI: 0.98 -1.32; P ϭ .095), 1.19 (95% CI: 1.07-1.32; P Ͻ .001), and 1.18 (95% CI: 1.10 -1.26; P Ͻ .001), respectively. Older children and children with military fathers and married parents had larger increases in rates of mental and behavioral health visits during parental deployments. In contrast, the overall outpatient rate and rates of visits for other diagnoses decreased when a parent was deployed. CONCLUSIONS: Mental and behavioral health visits increased by 11% in these children when a military parent deployed; behavioral disorders increased 19% and stress disorders increased 18%. Rates especially increased in older children and children of married and male military parents.

WHAT'S KNOWN ON THIS SUBJECT: Several studies have shown that behavioral problems can be associated with defecation and voiding disorders, although few studies have looked directly at a link between a diagnosis of attention-deficit/hyperactivity disorder (ADHD) and constipation or fecal incontinence. WHAT THIS STUDY ADDS:We identified an increased risk for both constipation and fecal incontinence in children with ADHD. In patients with concomitant ADHD and defecation disorders, more aggressive medical and behavioral treatment of the constipation or fecal incontinence may be warranted. abstract OBJECTIVE: Functional constipation and fecal incontinence are common childhood gastrointestinal conditions. Both conditions may be associated with behavioral problems. Attention-deficit/hyperactivity disorder (ADHD) is the most common behavioral disorder of childhood, characterized by shortened attention span and hyperactivity. We hypothesize that a diagnosis of ADHD increases the risk for functional constipation and fecal incontinence. METHODS:A retrospective cohort study of children was performed by using the military health system database. Children of active-duty military personnel, aged 4 to 12 years, from October 2005 to September 2007, were included. ADHD, constipation, and fecal incontinence were identified by International Classification of Diseases, Ninth Revision, Clinical Modification diagnostic codes. Relative risks and adjusted incidence rate ratios (IRRs) were calculated. A subgroup analysis of subjects receiving medical therapy was performed.RESULTS: There were 742 939 children identified in the study, 32 773 (4.4%) of whom had ADHD. Children with ADHD had an increased prevalence of constipation (4.1% of children with ADHD vs 1.5% children without ADHD; P , .001) and fecal incontinence (0.9% of children with ADHD vs 0.15% of children without ADHD; P , .0001). Children with ADHD had more visits than those without ADHD for both constipation (IRR 3.39; 95% confidence interval 2.59-4.43) and fecal incontinence (IRR 7.74; 95% confidence interval 5.01-11.98). Children with ADHD receiving medicinal therapy did not differ significantly from children with ADHD not receiving medicinal therapy on rates of constipation visits (P = .57) or fecal incontinence visits (P = .32). CONCLUSIONS:Children with ADHD are significantly more likely to have constipation and fecal incontinence. Medical therapy for ADHD does not impact visit rates for defecation disorders.

BACKGROUND AND OBJECTIVE: Use of oral erythromycin in infants is associated with infantile hypertrophic pyloric stenosis (IHPS). The risk with azithromycin remains unknown. We evaluated the association between exposure to oral azithromycin and erythromycin and subsequent development of IHPS.

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