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Intrapartum asphyxia and cerebral palsy
1Department of Neurology, Johns Hopkins Medical Institution, Baltimore, Maryland.
Pediatrics
|August 1, 1988
Summary
Fetal hypoxia signs are common but rarely predict cerebral palsy. Proving cerebral palsy from fetal asphyxia requires substantial evidence of hypoxic injury and its clinical impact, which few cases demonstrate.
Area of Science:
- Obstetrics and Gynecology
- Neonatal Medicine
- Neurology
Background:
- Signs of fetal hypoxia/asphyxia are frequently observed during labor and the neonatal period.
- Establishing a definitive link between fetal asphyxia and subsequent cerebral palsy is clinically challenging.
- Existing diagnostic criteria for attributing cerebral palsy to asphyxia are stringent.
Purpose of the Study:
- To evaluate the correlation between fetal hypoxia signs and the prediction of cerebral palsy.
- To determine the necessary evidence for attributing cerebral palsy to prior asphyxia with medical certainty.
- To assess the frequency with which cerebral palsy cases meet established criteria for hypoxic insult.
Main Methods:
- Review of clinical signs and symptoms indicative of fetal hypoxia/asphyxia.
- Analysis of diagnostic criteria for linking fetal events to cerebral palsy.
- Case review to assess the fulfillment of criteria for hypoxic-ischemic encephalopathy.
Main Results:
- No single sign or symptom reliably predicts cerebral palsy.
- Attributing cerebral palsy to asphyxia requires proof of substantial hypoxic injury and its clinical sequelae.
- Few diagnosed cases of cerebral palsy meet the strict criteria for prior asphyxia.
Conclusions:
- The direct causal link between detectable fetal hypoxia signs and cerebral palsy is difficult to establish with certainty.
- Stringent criteria are necessary to attribute cerebral palsy to fetal asphyxia, involving evidence of significant hypoxic injury.
- The majority of cerebral palsy cases do not meet the established criteria for being caused by intrapartum asphyxia.