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J Chin Med Assoc. 2014 Sep;77(9):457-62. doi: 10.1016/j.jcma.2014.06.005. Epub 2014 Jul 31.

Risk of meningioma in patients with head injury: a nationwide population-based study.

Author information

1
Neurological Institute, Taipei Veterans General Hospital, Taipei, Taiwan, ROC; Faculty of Medicine, School of Medicine, National Yang-Ming University, Taipei, Taiwan, ROC.
2
Faculty of Medicine, School of Medicine, National Yang-Ming University, Taipei, Taiwan, ROC; Division of Nephrology, Department of Medicine, Taipei City Hospital, Heping Fuyou Branch, Taipei, Taiwan, ROC.
3
Faculty of Medicine, School of Medicine, National Yang-Ming University, Taipei, Taiwan, ROC; Institute of Public Health, National Yang-Ming University, Taipei, Taiwan, ROC; Division of Oncology and Hematology, Department of Medicine, Far Eastern Memorial Hospital, Taipei, Taiwan, ROC.
4
Neurological Institute, Taipei Veterans General Hospital, Taipei, Taiwan, ROC; Faculty of Medicine, School of Medicine, National Yang-Ming University, Taipei, Taiwan, ROC. Electronic address: mtchen@vghtpe.gov.tw.

Abstract

BACKGROUND:

Head injury has been suggested to correlate with meningioma. However, results of studies investigating the relationship between head injury and meningioma were inconsistent. Therefore, we conducted this study to assess the association between head injury and meningioma, and to determine the possible risk factors.

METHODS:

Head injury patients aged 18 years and older, without antecedent diagnosis of brain tumor, and who were followed up for more than 30 days between January 1, 2001, and December 31, 2010, were recruited from the Taiwan National Health Insurance Research Database. Hazard ratios (HRs) of meningioma risk for head injury patients compared with an age- and sex-matched cohort were calculated by Cox proportional regression analysis. The difference in cumulative incidence between head injury patients and the matched cohort was analyzed using the Kaplan-Meier method and tested with the log-rank test.

RESULTS:

Each cohort (i.e., the head injury cohort and the matched cohort) consisted of 75,292 individuals with a mean age of 44.7 years, and 52.3% of these patients were male. The incidence rates of meningioma were 3.99/10(5) person-years and 3.23/10(5) person-years in the head injury cohort and the comparison cohort, respectively, with a Charlson Comorbidity Index score-adjusted HR of 1.27 (p = 0.514). There were no associations between head injury and risk of meningioma, neither overall nor in stratified analyses according to severity of head injury, age, and sex of patients.

CONCLUSION:

Head injury, regardless of severity, patient sex, or age, is unlikely to be a cause of meningioma.

KEYWORDS:

Taiwan National Health Insurance Research Database; head injury; meningioma; population-based study

Comment in

PMID:
25088906
DOI:
10.1016/j.jcma.2014.06.005
[Indexed for MEDLINE]
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