Keimyung Med J.  2017 Jun;36(1):11-17. 10.0000/kmj.2017.36.1.11.

Predisposing Factors and Clinical Impact of Linear Intracrania l Calcification Following External Ventricular Drainage

Affiliations
  • 1Department of Neurosurgery, Keimyung University School of Medicine, Daegu, Korea. nslcy@dsmc.or.kr

Abstract

External ventricular drainage (EVD) is a common procedure performed in neurosurgical field. The purpose of this study was to introduce the linear intracranial calcification formed along EVD tract and to investigate its incidence, predisposing factors, and clinical impact. A total of 59 patients who underwent EVD insertion over a 1-year period were included in this study. The clinical factors and radiographic features between the occurrence and the non-occurrence groups were analyzed to investigate the predisposing factors and clinical impact related to the linear intracranial calcification in EVD tract. The linear intracranial calcification following EVD insertion occurred in 7 patients (11.9%). Among various risk factors assessed, only usage of bone dust (p =0.003) had contributed to linear intracranial calcification with statistical significance in univariate logistic regression analysis. Housefield unit (HU) scale was different between calcification (872.57 ± 46.15 HU) and EVD catheter (169.00 ± 61.35 HU). This study indicates that using bone dust for sealing a burr hole is the only predisposing factor for linear intracranial calcification formed in EVD tract.

Keyword

Bone dust; External ventricular drainage; Linear intracranial calcification

MeSH Terms

Catheters
Causality*
Drainage*
Dust
Humans
Incidence
Logistic Models
Risk Factors
Dust
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