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Success criteria in pediatric neuroendoscopic procedures. Proposal for classification of results after 67 operations
Bienvenido Ros1, Lorena Romero, Guillermo Ibáñez
1Pediatric Neurosurgery Section, Department of Neurosurgery, HRU Carlos Haya, Málaga, Spain. bienvenido.ros.sspa@juntadeandalucia.es
Insights
A new 5-grade scale for pediatric neuroendoscopic procedures shows high success rates, particularly for hydrocephalus caused by tumors. This classification aids comparative studies for neuroendoscopic interventions.
Area of Science:
- Pediatric Neurosurgery
- Endoscopic Procedures
- Hydrocephalus Management
Background:
- Controversies exist regarding patient selection and long-term outcomes for pediatric neuroendoscopic procedures.
- A standardized classification system is needed to evaluate success in complex cases.
Purpose of the Study:
- To develop and evaluate a 5-grade classification system for pediatric neuroendoscopic procedure success.
- To assess success rates and complications in a series of neuroendoscopic procedures for hydrocephalus.
Main Methods:
- Retrospective analysis of 67 neuroendoscopic procedures in 59 pediatric patients (2003-2011).
- Development of a 5-grade scale based on clinical and radiological data to assess success.
- Recording of complications associated with the procedures.
Main Results:
- Complete and permanent success (grade I) was achieved in 49.1% of initial procedures.
- Overall success rates were highest for hydrocephalus secondary to tumors or arachnoid cysts.
- Failure rates were highest in slit ventricle syndrome cases, with high success upon revision.
Conclusions:
- The proposed 5-grade classification system provides a framework for evaluating pediatric neuroendoscopic procedures.
- Standardized success grading can facilitate comparative and cooperative research in the field.
Purpose:
Controversial issues exist concerning criteria for patient selection and long-term success in pediatric neuroendoscopic procedures. We designed a classification of success grades applicable to high-pressure and chronic hydrocephalus and also to those cases in which different endoscopic maneuvers are performed during the same procedure. We then evaluated the success rate and complications in our series.
Methods:
A total of 59 patients underwent 67 neuroendoscopic procedures between January 2003 and January 2011. A retrospective study was made of the preoperative history, operative reports, and postoperative imaging findings and medical records. A 5-grade scale was developed to assess the type of success depending on clinical and radiological data. Complications related to the surgical procedure were also recorded.
Results:
Two patients were excluded from the success analysis due to insufficient follow-up time. The final results for the first procedures in 57 patients were complete and permanent success (grade I) in 49.1%, complete but transitory success (grade II) in 10.5%, partial success (grade III) in 12.3%, doubtful success (grade IV) in 5.3%, and failure (grade V) in 22.8%. In eight cases a second procedure followed the failure of the first: grade I success was achieved in seven cases (87.5%) and grade V in one case (12.5%). The highest success rates were achieved in cases of hydrocephalus caused by tumors or arachnoid cysts and the lowest in slit ventricle syndrome.
Conclusions:
A common classification of degrees of success, such as that proposed here, would aid the development of comparative and cooperative studies.