Natalie Grizenko1, Maria Loren Eberle2, Marie-Eve Fortier3, Gabriel Côté-Corriveau4, Claude Jolicoeur5, Ridha Joober6. 1. Department of Psychiatry, McGill University, Montreal, Quebec Child and Adolescent Psychiatry Program, Douglas Mental Health University Institute, Montreal, Quebec Natalie.Grizenko@douglas.mcgill.ca. 2. McGill University, Montreal, Quebec. 3. Douglas Mental Health University Institute, Montreal, Quebec. 4. University of Montreal, Montreal, Quebec. 5. Department of Psychiatry, McGill University, Montreal, Quebec Child and Adolescent Psychiatry Program, Douglas Mental Health University Institute, Montreal, Quebec. 6. Department of Psychiatry, McGill University, Montreal, Quebec Douglas Mental Health University Institute, Montreal, Quebec.
Abstract
OBJECTIVE: Adverse events during pregnancy and delivery have been linked to attention-deficit/hyperactivity disorder (ADHD). Previous studies have investigated Apgar scores, which assess the physical condition of newborns, in relation to the risk of developing ADHD. We propose to go one step further and examine if Apgar scores are associated with ADHD symptom severity in children already diagnosed with ADHD. METHOD: ADHD symptoms severity, while off medication, was compared in 2 groups of children with ADHD: those with low (≤6, n = 52) and those with higher (≥7, n = 400) Apgar scores sequentially recruited from the ADHD clinic. RESULTS: Children with low Apgar at 1 minute after birth had more severe symptoms as assessed by the externalizing scale of the Child Behaviour Checklist, the Conners' Global Index for Parents, and the DSM-IV hyperactivity symptoms count (P = 0.02, <0.01, <0.01, respectively). CONCLUSION: Low 1-minute Apgar scores are associated with a significant increase in ADHD symptom severity. These findings underline the importance of appropriate pregnancy and perinatal care.
OBJECTIVE: Adverse events during pregnancy and delivery have been linked to attention-deficit/hyperactivity disorder (ADHD). Previous studies have investigated Apgar scores, which assess the physical condition of newborns, in relation to the risk of developing ADHD. We propose to go one step further and examine if Apgar scores are associated with ADHD symptom severity in children already diagnosed with ADHD. METHOD:ADHD symptoms severity, while off medication, was compared in 2 groups of children with ADHD: those with low (≤6, n = 52) and those with higher (≥7, n = 400) Apgar scores sequentially recruited from the ADHD clinic. RESULTS:Children with low Apgar at 1 minute after birth had more severe symptoms as assessed by the externalizing scale of the Child Behaviour Checklist, the Conners' Global Index for Parents, and the DSM-IV hyperactivity symptoms count (P = 0.02, <0.01, <0.01, respectively). CONCLUSION: Low 1-minute Apgar scores are associated with a significant increase in ADHD symptom severity. These findings underline the importance of appropriate pregnancy and perinatal care.
Authors: Päivi Polo-Kantola; Katja M Lampi; Susanna Hinkka-Yli-Salomäki; Mika Gissler; Alan S Brown; Andre Sourander Journal: J Pediatr Date: 2013-10-30 Impact factor: 4.406
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