Related Experiment Video
Updated: Apr 11, 2026
Neuronavigation and Laparoscopy Guided Ventriculoperitoneal Shunt Insertion for the Treatment of Hydrocephalus
Published on: October 14, 2022
Radiographic evaluation of pediatric cerebrospinal fluid shunt malfunction in the emergency setting
Tehnaz P Boyle1, Lise E Nigrovic
1*Assistant Professor of Pediatrics (Boyle), Division of Emergency Medicine, Boston Children's Hospital, Harvard Medical School, Boston, MA; and †Assistant Professor of Pediatrics (Nigrovic), Division of Pediatric Emergency Medicine, Boston Medical Center, Boston University School of Medicine, Boston, MA.
Insights
Children needing shunt evaluations face radiation exposure from CT scans. Rapid MRI offers a radiation-free alternative for diagnosing shunt malfunction in pediatric hydrocephalus, improving patient safety.
Area of Science:
- Pediatric neurosurgery
- Medical imaging
- Hydrocephalus management
Background:
- Children with hydrocephalus often require ventricular cerebrospinal fluid shunts.
- Frequent evaluation for shunt malfunction is necessary in this patient population.
- Current diagnostic methods, primarily cranial computed tomography (CT), involve significant ionizing radiation exposure.
Purpose of the Study:
- To review the diagnostic performance of neuroimaging modalities for pediatric shunt malfunction.
- To compare radiation exposure associated with different imaging techniques.
- To evaluate the advantages and limitations of imaging options in emergent settings.
Main Methods:
- Review of diagnostic test performance for major neuroimaging modalities.
- Assessment of radiation exposure data for each modality.
- Analysis of advantages and limitations in the context of pediatric shunt malfunction evaluation.
Main Results:
- Cranial computed tomography (CT) is a common but radiation-intensive method.
- Rapid cranial magnetic resonance imaging (MRI) presents a radiation-sparing alternative.
- The study compares diagnostic accuracy, radiation dose, and clinical utility of various imaging techniques.
Conclusions:
- Minimizing radiation exposure is crucial in pediatric neuroimaging.
- Rapid MRI offers a promising, radiation-free option for evaluating shunt malfunction in children.
- Informed selection of neuroimaging modalities can optimize care for pediatric hydrocephalus patients.
Abstract:
Children with ventricular cerebrospinal fluid shunts for treatment of hydrocephalus require frequent evaluation for potential shunt malfunction. Current practice relies heavily on neuroimaging, particularly cranial computed tomography, which repeatedly exposes children to ionizing radiation. Rapid cranial magnetic resonance imaging is a new radiation-sparing alternative to CT for evaluation of potential shunt malfunction. We review the diagnostic test performance, radiation exposure, advantages, and limitations of the major neuroimaging modalities available to providers caring for children with possible shunt malfunction in the emergent setting.
