Outcomes of CSF shunting in children: comparison of Hydrocephalus Clinical Research Network cohort with historical controls: clinical article.

Kulkarni AV, Riva-Cambrin J, Butler J, Browd SR, Drake JM, Holubkov R, Kestle JR, Limbrick DD, Simon TD, Tamber MS, Wellons JC, Whitehead WE, Hydrocephalus Clinical Research Network
J Neurosurg Pediatr. 2013 12 (4): 334-8

PMID: 23909616 · DOI:10.3171/2013.7.PEDS12637

OBJECT - The Hydrocephalus Clinical Research Network (HCRN), which comprises 7 pediatric neurosurgical centers in North America, provides a unique multicenter assessment of the current outcomes of CSF shunting in nonselected patients. The authors present the initial results for this cohort and compare them with results from prospective multicenter trials performed in the 1990s.

METHODS - Analysis was restricted to patients with newly diagnosed hydrocephalus undergoing shunting for the first time. Detailed perioperative data from 2008 through 2012 for all HCRN centers were prospectively collected and centrally stored by trained research coordinators. Historical control data were obtained from the Shunt Design Trial (1993-1995) and the Endoscopic Shunt Insertion Trial (1996-1999). The primary outcome was time to first shunt failure, which was determined by using Cox regression survival analysis.

RESULTS - Mean age of the 1184 patients in the HCRN cohort was older than mean age of the 720 patients in the historical cohort (2.51 years vs 1.60 years, p < 0.0001). The distribution of etiologies differed (p < 0.0001, chi-square test); more tumors and fewer myelomeningoceles caused the hydrocephalus in the HCRN cohort patients. The hazard ratio for first shunt failure significantly favored the HCRN cohort, even after the model was adjusted for the prognostic effects of age and etiology (adjusted HR 0.82, 95% CI 0.69-0.96).

CONCLUSIONS - Current outcomes of shunting in general pediatric neurosurgery practice have improved over those from the 1990s, although the reasons remain unclear.

MeSH Terms (21)

Adolescent Cerebrospinal Fluid Shunts Child Child, Preschool Clinical Trials as Topic Cohort Studies Equipment Failure Female Humans Hydrocephalus Infant Kaplan-Meier Estimate Male Multicenter Studies as Topic Neuroendoscopy Prognosis Proportional Hazards Models Prospective Studies Reoperation Survival Analysis Treatment Outcome

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