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Causative Factors in Cerebral Palsy

NELSON, KARIN B. MD

Clinical Obstetrics & Gynecology:
doi: 10.1097/GRF.0b013e318187087c
Diagnosis, Prevention, and Treatment of Cerebral Palsy
Abstract

Causative factors in cerebral palsy (CP) vary to some degree according to gestational age group and clinical CP subtype. Such catastrophes of birth as placental abruption, cord prolapse, and uterine rupture sharply heighten risk of CP. These conditions are fortunately uncommon, and are sometimes not survived; individually and collectively they account for only a small proportion of CP. Among other factors associated with increased risk of CP are prematurity, intrauterine exposure to infection or maternal fever in labor, ischemic stroke, congenital malformations, atypical intrauterine growth (restricted or excessive for gestational age), and complications of multiple gestations. Although any 1 factor, if severe, may be sufficient to cause CP, more often it is the presence of multiple risk factors that overwhelms defense mechanisms and leads to CP. The contribution of genetic vulnerabilities that interact with environmental stressors is an emerging aspect of our understanding of causative factors in CP.

Author Information

National Institute of Neurological Diseases and Stroke, Bethesda, MD and Department of Neurology, Children's National Medical Center, Washington, DC

Correspondence: Karin B. Nelson, MD, National Institutes of Health, Building 31, Room 8A03, Bethesda, MD 20892-2540. E-mail: knelson@helix.nih.gov; kn17n@nih.gov

Supported in part by the Intramural Research Program of the National Institute of Neurological Disorders and Stroke. The content of this publication does not necessarily reflect the views or policies of the Department of Health and Human Services, nor does mention of trade names, commercial products, or organizations imply endorsement by the US government.

© 2008 Lippincott Williams & Wilkins, Inc.