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  • Title: Outcome of ventriculoperitoneal shunt and predictors of shunt revision in infants with posthemorrhagic hydrocephalus.
    Author: Bir SC, Konar S, Maiti TK, Kalakoti P, Bollam P, Nanda A.
    Journal: Childs Nerv Syst; 2016 Aug; 32(8):1405-14. PubMed ID: 27278283.
    Abstract:
    OBJECT: Ventriculoperitoneal (VP) shunts in infants with posthemorrhagic hydrocephalus (PHH) are prone to failures, with some patients at risk for multiple revisions. The objective of our study is to observe long-term outcomes and identify factors leading to proximal and distal multiple failures. METHODS: We performed a retrospective review of infants with PHH that required VP shunt placement between 1982 and 2014. These patients were monitored clinically and radiographically after VP shunt placement. RESULTS: A total of 502 surgical procedures (initial shunt insertion and revisions) were performed, with 380 shunt revisions in 102 (84 %) patients. Median shunt survival time was 54 months (0.03-220 months). Shunt survival was significantly affected by the following factors: intraventricular hemorrhage (IVH, grade II-III, 95 months vs. grade IV, 28 months, p = 0.022), birth weight (<1.5 kg, 59 months vs. >1.5 kg, 22 months, p = 0.005), gestational age (>27 weeks, 90 months vs. <27 weeks, 20 months, p < 0.0001), distal vs. proximal revision (133 months vs. 48 months, p = 0.013), obstruction (yes, 78 months vs. no, 28 months, p = 0.007), and infection (no, 75 months vs. yes, 39 months, p = 0.045). Regression analysis revealed that multiple gestation, head circumference (>27 cm), congenital anomalies, infection, and obstruction increased the proximal and distal shunt malfunction. CONCLUSION: Long-term outcome of VP shunt placement in infants revealed a relatively high rate of complications requiring shunt revision as late as 30 years after initial placement. Infants with VP shunts should be monitored lifelong of these patients by neurosurgeons.
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