Ventriculoperitoneal shunt complication in pediatric hydrocephalus: Risk factor analysis from a single institution in Nepal

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Ventriculoperitoneal shunt complication in pediatric hydrocephalus: Risk factor analysis from a single institution in Nepal


JournalAsian Journal of Neurosurgery
Publication date – Feb – 2020
Authors – Prakash Paudel, Prakash Bista, Durga Prasad Pahari, Gopal Raman Sharma
Keywordshydrocephalus, infection, malfunction, pediatric, shunt.
Open access – Yes
SpecialityNeurosurgery, Paediatric surgery
World region Southern Asia
Country: Nepal
Language – English
Submitted to the One Surgery Index on May 21, 2020 at 3:09 am
Abstract:

Objective
Ventriculoperitoneal (VP) shunt surgery is one of the commonly performed neurosurgical procedures. Complications due to shunt failure are associated with high morbidity and mortality. We report an analysis of risk factors for shunt failure in pediatric patients from a single institution in Nepal.
Materials and methods
A retrospective analytical study with prospective data was designed. All children younger than 15 years, with first time VP shunting, at a tertiary government hospital in Kathmandu during 2014-2017 were followed up. Association of independent variables with the primary outcome variable (complication of VP shunt) was analyzed using Chi-square test. Bivariate logistic regression was performed to identify unadjusted odds ratio (OR) with 95% confidence interval (CI). Multivariate logistic regression model was designed to calculate adjusted OR with 95% CI.
Results
Of 120 patients, more than half (55.8%) of the patients were male. Mean age was 62.97 months. Maximum duration of follow-up was 30 months. Most common cause of hydrocephalus was congenital aqueductal stenosis (40.8%) followed by tumors (29.2%). Overall shunt complication was found in 26.7% (95% CI 19.0%-35.5%). Shunt infection was seen in 5% while malfunction without infection was found in 21.7%. Bivariate logistic regression showed duration of surgery more than 1 h (OR 2.67, 95% CI 1.11-6.42, P = 0.028) compared to 1 h or less, experienced surgeon (OR 0.37, 95% CI 0.16-0.89, P = 0.026) compared to residents, and emergency surgery (OR 3.97, 95% CI 1.69-9.29, P = 0.001) compared to elective surgery as significant risk factors, while emergency surgery was the only significant variable for shunt failure on multivariate regression analysis (OR 3.3, 95% CI 1.16-9.35, P = 0.025).
Conclusion
Longer duration of surgery, less experience of the surgeon, and the priority of the case (emergency) were independent risk factors for shunt complications.

OSI Number – 20393
PMID – 32181178

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