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Volumetry as a Criterion for Suboccipital Craniectomy after Cerebellar Infarction
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Volumetry as a Criterion for Suboccipital Craniectomy after Cerebellar Infarction
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Journal Article
Volumetry as a Criterion for Suboccipital Craniectomy after Cerebellar Infarction
2024
Overview
Objective: The aim of this study was to investigate the use of image-guided volumetry in cerebellar infarction during the decision-making process for surgery. Particular emphasis was placed on the ratio of the infarction volume to the cerebellar volume or cranial posterior fossa volume. Methods: A retrospective, multicenter, multidisciplinary study design was selected. Statistical methods such as regression analysis and ROC analysis included the volumetric data of the infarction, the posterior fossa and the cerebellum itself as new factors. Results: Thirty-eight patients (mean age 75 (SD: 13.93) years, 16 (42%) female patients) were included. The mean infarction volume was 37.79 (SD: 25.24) cm3. Patients treated surgically had a 2.05-fold larger infarction than those managed without surgery (p ≤ 0.001). Medical and surgical treatment revealed a significant difference in the ratio of the cranial posterior fossa volume to the infarction volume (medical 12.05, SD:9.09; surgical 5.14, SD: 5,65; p ≤ 0.001) and the ratio of the cerebellar volume to the infarction volume (medical 8.55, SD: 5.97; surgical 3.82, SD: 3.39; p ≤ 0.001). Subsequent multivariate regression analysis for surgical therapy showed significant results only for the posterior fossa volume to infarction volume ratio ≤/> 4:1 (OR: 1.162, CI: 1.007–1.341, p = 0.04). Younger (≤60 years) patients also had a significantly better outcome at discharge (p ≤ 0.017). A cut-off value for the infarction volume of 31.35 cm3 (sensitivity = 0.875, specificity = 0.2) was determined for the necessity of surgery. Conclusions: Volumetric data on the infarction, the posterior fossa and the cerebellum itself could be meaningful in decision-making towards surgery.
