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Erschienen in: Child's Nervous System 11/2020

20.03.2020 | Original Article

Torcular dural sinus malformations: a grading system proposal

verfasst von: P. Liby, V. Lomachinsky, B. Petrak, M. Kyncl, U.R. Montarroyos, M. Tichy

Erschienen in: Child's Nervous System | Ausgabe 11/2020

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Abstract

Background

Torcular dural sinus malformations (tDSMs) are congenital complex vascular anomalies often referred as a single unit. Nevertheless, they possess distinct anatomical features, clinical diversity, and markedly different outcomes.

Objective

On the basis of our institutional experience and analysis of published data, we propose a grading system.

Methods

We have identified 44 papers to which we added our four institutional cases for a total of 126 patients. Eight predictor variables were studied. In order to assess their individual impact on mortality and possible correlations, a logistic regression model was constructed through a stepwise forward process.

Results

Overall mortality was 22.1%. Mortality was higher in tDSM patients diagnosed postnatally, 40.7% versus a 15.6% in prenatally found cases (p = 0.007). We divided the patients into four grades. Grade I comprised patients with no feeder evidence and possessed the best outcomes (mortality of 7.55%). Mortality rose for grades II and III defined respectively by scarce and multiple feeders. Brain damage was the defining feature of grade IV. A mortality of 75% could be observed within this grade. Grade IV was further divided into grades IVa (antenatal) and IVb (postnatal cases). Furthermore, our logistic regression model found that brain damage (OR 11.3, p < 0.001, 95% CI 2.97–42.91) and patent feeders (OR 4, p = 0.03, 95% CI 1.15–13.86) were major determinants of poor outcome (area under ROC curve of 81.44%).

Conclusion

The grading system (tDSM-GS) streamlines classification into four different grades facilitating both diagnosis, clinical decision-making, and proper prognostication.
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Metadaten
Titel
Torcular dural sinus malformations: a grading system proposal
verfasst von
P. Liby
V. Lomachinsky
B. Petrak
M. Kyncl
U.R. Montarroyos
M. Tichy
Publikationsdatum
20.03.2020
Verlag
Springer Berlin Heidelberg
Erschienen in
Child's Nervous System / Ausgabe 11/2020
Print ISSN: 0256-7040
Elektronische ISSN: 1433-0350
DOI
https://doi.org/10.1007/s00381-020-04569-8

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