Document Detail

Recurrence factors for chronic subdural hematomas after burr-hole craniostomy and closed system drainage.
MedLine Citation:
PMID:  10319336     Owner:  NLM     Status:  MEDLINE    
Recurrence of chronic subdural hematoma after burr-hole craniostomy and closed system drainage is not uncommon. We sought to identify risk factors for recurrence. In 121 patients, various factors including age, initial neurologic status, hematoma thickness, computed tomographic density of the hematoma, midline shift, multiplicity, systemic disease, and drainage volume were compared retrospectively between nonrecurring cases and recurring cases. Recurrence was noted in 10 cases (8.3%). In recurring cases, the drainage volume was significantly larger than in nonrecurring cases, and the recurrence rate increased in proportion to drainage volume. Other factors significantly influencing recurrence were hematoma thickness and associated diabetes mellitus. Drainage contents mainly derived from either exudate within the subdural membrane or cerebrospinal fluid leakage. Entry of cerebrospinal fluid into the hematoma cavity or continuing leakage of serum components through opened endothelial gap junctions are considered to be major causes of increased drainage volume, leading in turn to recurrence of the hematoma.
K Matsumoto; K Akagi; M Abekura; H Ryujin; M Ohkawa; N Iwasa; C Akiyama
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Neurological research     Volume:  21     ISSN:  0161-6412     ISO Abbreviation:  Neurol. Res.     Publication Date:  1999 Apr 
Date Detail:
Created Date:  1999-07-01     Completed Date:  1999-07-01     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  7905298     Medline TA:  Neurol Res     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  277-80     Citation Subset:  IM    
Department of Neurosurgery, Hanwa Memorial Hospital, Osaka, Japan.
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MeSH Terms
Aged, 80 and over
Blood Coagulation Disorders / epidemiology
Cerebrovascular Circulation
Craniotomy / methods*
Diabetes Mellitus / epidemiology
Hematoma, Subdural / epidemiology,  radiography,  surgery*
Middle Aged
Postoperative Complications*
Retrospective Studies
Risk Factors
Tomography, X-Ray Computed

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