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Timing of temporizing neurosurgical treatment in relation to shunting and neurodevelopmental outcomes in post-hemorrhagic ventricular dilatation of prematurity: a meta-analysis

Department of Neurological Surgery, McGaw Medical Center of Northwestern University, Chicago, IL, USA; Division of Neurosurgery, The Hospital for Sick Children, Toronto, ON, Canada. Electronic address: grace.y.lai@gmail.com. Division of Neurosurgery, The Hospital for Sick Children, Toronto, ON, Canada; University of Toronto, Toronto, ON, Canada. Galter Health Science Library, Northwestern University, Chicago, IL, USA. Department of Neurological Surgery, McGaw Medical Center of Northwestern University, Chicago, IL, USA; Galter Health Science Library, Northwestern University, Chicago, IL, USA.

The Journal of pediatrics. 2021
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Abstract
OBJECTIVE To determine the relationship between timing of initiation of temporizing neurosurgical treatment and rates of ventriculoperitoneal shunting (VPS) and neurodevelopmental impairment in premature infants with post-hemorrhagic ventricular dilatation (PHVD). STUDY DESIGN We searched MEDLINE, EMBASE, CINAHL, Web of Science, Cochrane Database of Systematic Reviews, and Cochrane Center Register of Controlled Trials for studies that reported on premature infants with PHVD who received TNP. Timing of TNP, gestational age, birth weight, and outcomes of conversion to VPS, moderate-to-severe NDI, infection, TNP revision, and death at discharge were extracted. RESULTS Sixty-two full-length articles and six conference abstracts (n=2533 patients) published through November 2020 were included. Pooled rate for conversion to VPS was 60.5% (95% CI=54.9-65.8), moderate-severe NDI 34.8% (95% CI=27.4-42.9), infection 8.2% (95% CI=6.7-10.1), revision 14.6% (95% CI=10.4-20.1), and death 12.9% (95% CI=10.2-16.4). Average age at TNP was 24.2+/-11.3 days. On meta-regression, older age at TNP was a predictor of conversion to VPS (p<0.001) and NDI (p<0.01). Later year of publication predicted increased survival (p<0.01) and external ventricular drains were associated with more revisions (p=0.001). Tests for heterogeneity reached significance for all outcomes and qualitative review showed heterogeneity in study inclusion and diagnosis criteria for PHVD and initiation of TNP. CONCLUSIONS Later timing of TNP predicted higher rates of conversion to VPS and moderate-severe NDI. Outcomes were often reported relative to number of patients who received TNP and criteria for study inclusion and initiation of TNP varied across institutions. There is need for more comprehensive outcome reporting that includes all infants with PHVD regardless of treatment.
Study details
Study Design : Systematic Review
Language : eng
Credits : Bibliographic data from MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine