Affiliation:
1. Departments of Neurosurgery,
2. Pediatrics, and
3. Public Health Sciences, Penn State University College of Medicine, Penn State Milton S. Hershey Medical Center, Hershey, Pennsylvania
Abstract
Object
The thresholds for shunting CSF in children with asymptomatic hydrocephalus are unclear; there are neither guidelines nor sufficient research to determine what degree of hydrocephalus should be treated. The authors hypothesize that 1) pediatric neurosurgeons currently have high thresholds for recommending treatment for these children, but 2) there is significant variability among these treatment thresholds.
Methods
The authors surveyed attendees of the Joint Pediatric Neurosurgery Section meeting in Spokane, Washington, in December 2008, regarding their treatment thresholds for 22 clinical scenarios. Each participant was provided an illustration of 5 imaging studies (3 slices each) showing progressively larger ventricles. For each scenario, respondents were asked to indicate the minimum ventricular size they would treat, if any. Responses were quantified from 1 to 6 from smaller to larger, with 6 being no treatment, and a mean theoretical treated ventricular size (MTTVS) was calculated for each scenario.
Results
Respondents were relatively conservative in recommending treatment, with MTTVSs of 3.7–6.0; in 13 scenarios, the MTTVS was greater than 5.0 (larger than the largest presented ventricular size). For scenarios in which a mean frontooccipital ratio could be calculated, the value ranged from 0.55 to 0.67 (moderate to severe hydrocephalus). Although there were clear majority responses for each scenario, there was also significant variability. There were no patterns of association with the respondent's age, training, board certification, or type or location of practice.
Conclusions
This study demonstrates that pediatric neurosurgeons' thresholds for treating asymptomatic children with hydrocephalus are generally high, but there is also significant variability.
Publisher
Journal of Neurosurgery Publishing Group (JNSPG)
Cited by
6 articles.
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