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Subdural Fluid Collection After the Clipping of Unruptured Intracranial Aneurysms: Its Clinical Course and Significance.

Authors
 Jeong-Han Kang  ;  Seung Kon Huh  ;  Jinna Kim  ;  Keun Young Park  ;  Joonho Chung 
Citation
 World Neurosurgery, Vol.116 : e266-e272, 2018 
Journal Title
 World Neurosurgery 
ISSN
 1878-8750 
Issue Date
2018
MeSH
Aged ; Female ; Follow-Up Studies ; Hematoma, Subdural, Chronic/etiology* ; Humans ; Incidence ; Intracranial Aneurysm/diagnostic imaging ; Intracranial Aneurysm/epidemiology ; Intracranial Aneurysm/surgery* ; Male ; Microsurgery/adverse effects* ; Microsurgery/instrumentation* ; Middle Aged ; Postoperative Complications/etiology* ; ROC Curve ; Regression Analysis ; Retrospective Studies ; Surgical Instruments/adverse effects* ; Time Factors ; Tomography, X-Ray Computed
Keywords
Chronic subdural hematoma ; Clipping ; Hounsfield unit ; Subdural fluid collection ; Unruptured intracranial aneurysm
Abstract
OBJECTIVE: We evaluated the clinical course and significance of postoperative subdural fluid collection (SFC) and identified the patients who were at risk of developing postoperative chronic subdural hematoma (CSDH) after the clipping of unruptured intracranial aneurysms (UIAs). METHODS: Between January 2012 and June 2014, we retrospectively reviewed 298 patients with UIAs treated by microsurgical clipping. Among them, 257 patients were enrolled in the present study. Subdural lesions (SDLs) were defined as SFC at 1-month follow-up computed tomography (CT) and a CSDH at any time within 1 month after the clipping of UIAs. We examined the volume changes, Hounsfield unit (HU) values, and the end results of SFC in serial CT scans. RESULTS: The incidence of postoperative CSDH that needed burr hole surgery was 2.5%. Changes in SFC volume that occurred within 1 week of surgery were a risk factor for the occurrence of SDL at the 1-month follow-up CT (odds ratio 34.039; P < 0.001). The corrected average HU value of SCF (cut-off value: 11.9, with a sensitivity of 83.3% and specificity of 73.7%) on postoperative day 7 was an independent risk factor for development of a CSDH at the 1-month follow-up CT (odds ratio 19.261; P = 0.003). CONCLUSIONS: SDLs seen during 1-month follow-up may be associated with the occurrence of increased SFC volume within a week after the clipping of UIAs. The corrected average HU value of the SFC on postoperative day 7 was the only risk factor for the development of CSDHs at 1-month follow-up CT.
Full Text
https://www.sciencedirect.com/science/article/pii/S1878875018309057
DOI
10.1016/j.wneu.2018.04.185
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Neurosurgery (신경외과학교실) > 1. Journal Papers
Yonsei Authors
Park, Keun Young(박근영)
Chung, Joon Ho(정준호)
Huh, Seung Kon(허승곤)
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URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/165480
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