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Can J Neurol Sci. 2016 Mar;43(2):248-53. doi: 10.1017/cjn.2015.322. Epub 2016 Jan 21.

Perinatal Regionalization and Implications for Long-Term Health Outcomes in Cerebral Palsy.

Author information

1
1Robbins Institute for Health Policy and Leadership,Department of Economics,Baylor University,Waco,TX.
2
2Department of Pediatrics,McGill University,Montreal,Quebec.

Abstract

BACKGROUND:

Perinatal regionalization is linked to improved neonatal outcomes; however, the effects on long-term outcomes in cerebral palsy (CP) are not known. We estimate the effect of highest levels of neonatal care available at delivery on the risk of developing a nonambulatory CP status.

METHODS:

Children with CP born in Quebec from the Canadian CP Registry excluding postneonatal causes were included (N=360). We estimate the effect of level of care available at delivery on risk of nonambulatory status among children with CP using propensity score matching and instrumental variables methods to adjust for differences in case mix among the three groups of hospitals. The outcome variable is an indicator for CP nonambulation assigned according to Gross Motor Function Classification System (levels IV and V). This study used data that predated therapeutic hypothermia in Quebec.

RESULTS:

Propensity score estimates of change in the adjusted risk of having a nonambulatory CP status because of birth at level II versus level I is -0.081, 95% confidence interval (CI; -0.2182 to 0.0562); level III versus level I is -0.072 95% CI (-0.225 to 0.08), and level III versus level II is 0.157 95% CI (0.027 to 0.286).

CONCLUSIONS:

Differences in levels of neonatal care available at hospital where the delivery was carried out are not associated with the risk of a nonambulatory CP phenotype. This suggests that level of care and associated medical technology within the Quebec regionalized neonatal-perinatal system is used efficiently because it does not offer any further marginal benefit in the reduction of severe CP outcomes. The system works well as it is, which is supportive of the perinatal regionalization. The success of the neonatal resuscitation program and referral of high-risk births to regional hospitals with sufficient obstetric and perinatal competence and resources may contribute to this lack of variability.

KEYWORDS:

Cerebral palsy; neonatal

PMID:
26790470
DOI:
10.1017/cjn.2015.322
[Indexed for MEDLINE]

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