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Endoscopic treatment of hydrocephalus in children: a controlled study using newly developed Yamadori-type
S Kamikawa1, A Inui, N Kobayashi
1Department of Neurosurgery, Kobe University School of Medicine, Kobe, Japan.
Insights
Flexible ventriculoscopy offers a safe and effective first-line treatment for pediatric hydrocephalus, significantly reducing the need for shunts and complications compared to traditional shunting surgery.
Area of Science:
- Neurosurgery
- Pediatric Neurology
- Medical Technology
Background:
- Cerebrospinal fluid (CSF) shunting is a common treatment for hydrocephalus but has unsatisfactory long-term outcomes due to complications.
- Flexible ventriculoscopes offer improved visualization and maneuverability for neurosurgical procedures.
Purpose of the Study:
- To evaluate the efficacy and safety of therapeutic ventriculoscopy as a first-line treatment for pediatric hydrocephalus.
- To compare shunt independence and complication rates between endoscopic procedures and traditional shunting.
Main Methods:
- A study involving 88 children with hydrocephalus, comparing initial endoscopic treatment with ventriculoperitoneal (VP) shunting.
- Procedures included endoscopic third ventriculostomy, cyst fenestration, and choroid plexus coagulation.
- Outcomes were assessed over a 2-year follow-up, focusing on shunt dependency and complications.
Main Results:
- 75% of children initially treated endoscopically (33/44) did not require VP shunts.
- Endoscopic procedures were repeated in 25% (11/44), with most ultimately requiring endoscope-guided VP shunting.
- No major complications like slit-like ventricles, meningitis, or intraventricular hemorrhage were observed in the endoscopic group, even in those requiring subsequent shunting.
Conclusions:
- Therapeutic ventriculoscopy is a safe and clinically effective first-line treatment for pediatric hydrocephalus.
- Endoscopic approaches significantly reduce shunt requirements and complications compared to initial VP shunting.
- Flexible ventriculoscopy presents a promising alternative for managing hydrocephalus in children.
Abstract:
Although cerebrospinal fluid (CSF) shunting is the most common neurosurgical treatment for hydrocephalus, the long-term results have still been unsatisfactory because of a wide variety of shunt complications. We have recently developed flexible ventriculoscopes (Yamadori-type) which have excellent image quality, maneuverability, and capabilities for endoscopic operation. Here we report the efficacy of the new treatment in 88 children with hydrocephalus who initially underwent either ventriculoscopic operation or shunting surgery. The primary outcome measures were the rate of shunt independency and/or shunt complications with a follow-up of 2 years in each group. We performed endoscopic third ventriculostomy in cases of aqueductal stenosis, cyst fenestration, and choroid plexus coagulation in limited cases of communicating hydrocephalus. Overall, thirty-three (75%) of the 44 children initially treated endoscopically did not require ventriculoperitoneal (VP) shunts. The endoscopic procedures were repeated in the remaining 11 children (25%) mostly less than 1-year-old who ultimately required endoscope-guided VP shunting. Even in such patients, there was virtually no need for shunt revisions and no major complications such as slit-like ventricle, meningitis, and intraventricular hemorrhage. These results were statistically highly significant (p < 0.0001) compared to a control group of 44 patients treated initially by VP shunting. Our data demonstrate that therapeutic ventriculoscopy is safe and clinically effective as the first-line treatment of hydrocephalus in children.