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. 2023:135:147-155.
doi: 10.1007/978-3-031-36084-8_24.

Evaluation of Adult and Pediatric Chiari Type 1 Malformation Patients: Do Consensus Documents Fit Everyday Practice?

Laura Grazia Valentini  1 , Tommaso Francesco Galbiati  1 , Veronica Saletti  2 , Mariangela Farinotti  3 , Alessandra Erbetta  4 , Carolina Croci  2 , Ignazio Gaspare Vetrano  5   5
Affiliations

Evaluation of Adult and Pediatric Chiari Type 1 Malformation Patients: Do Consensus Documents Fit Everyday Practice?

Laura Grazia Valentini et al. Acta Neurochir Suppl. 2023.

Abstract

The management of Chiari 1 malformation (CM1) and Syringomyelia (Syr) has shown many changes in surgical indications and techniques over time. The dedicated neurosurgical and neurological community recently planned to analyze the state of the art and find conduct uniformity. This led to international consensus documents on diagnostic criteria and therapeutic strategies. We aimed to evaluate, in a large, monocentric surgical series of adult and children CM1 patients, if the daily clinical practice reflects the consensus documents. Our series comprises 190 pediatric and 220 adult Chiari patients submitted to surgery from 2000 to 2021. The main indications for the treatment were the presence of Syr and symptoms related to CM1. While there is great correspondence with the statements derived from the consensus documents about what to do for Syr and symptomatic CM1, the accordance is less evident in CM1 associated with craniosynostosis or hydrocephalus, especially when considering the early part of the series. However, we think that performing such studies could increase the homogeneity of surgical series, find a common way to evaluate long-term outcomes, and reinforce the comparability of different strategies adopted in different referral centers.

Keywords: Chiari 1 malformation; Consensus documents; Duraplasty; Posterior fossa decompression; Syringomyelia.

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