Incidence and Risk Factors or Early Postoperative Seizure in Patients with Intracranial Tumor Removal: Prasat Neurological Institute Experience

Authors

  • Kullapat Veerasarn Prasat Neurological Institute, Bangkok, Thailand
  • Paveen Tadadontip Prasat Neurological Institute, Bangkok, Thailand

Keywords:

brain tumor removal, early postoperative seizure

Abstract

Objectives: To evaluate the incidence and to identify the risk factors of early postoperative seizure
(POSz) (within one week after surgery) in patients underwent intracranial tumor removal.
Methods: Medical records of patients who had their brain tumor removed during June 2006 - May 2007
were reviewed. Data of demography, clinical presentation, operative records and pathology reports were
recorded. The incidence of early POSz was calculated in total number and in subgroup differentiated by
location. Univariate chi square and logistic regression analyses were used to analyze association between
variables and seizure outcome.
Results: The incidence of early POSz for intracranial tumor removal surgery was 9.7 % (21/216) with
13.16 % for convexity lesion, 16.07 % for subcortical location, 2.08 % for posterior fossa location, and 13.89
% for sella and parasellar location. In univariate analysis, male gender, history of pre-operative seizure and
location of tumor were found to relate with early POSz. In multivariate analyses male gender and history of
preoperative seizure were statistically related with early POSz. Role of antiepileptic drug prophylaxis was also
studied and showed a benefit in high risk group with no statistical significance. In patients with early POSz,
seizure occurred mostly on the day 0, day 1 and day 2 after surgery and correctable cause could be identified
in some cases (evacuation of intracranial hematoma in one case, low antiepileptic drug level in two cases).
Conclusions: Early POSz had a high incidence in surgery for tumor located at the locations of convextity,
subcortex and sella parasella. History of preoperative seizure and male gender were the risk factors for early
POSz. Close observation in these groups of patients during the postoperative period and the prescription of
antiepileptic drugs would be necessary.

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Published

2011-12-30

How to Cite

1.
Veerasarn K, Tadadontip P. Incidence and Risk Factors or Early Postoperative Seizure in Patients with Intracranial Tumor Removal: Prasat Neurological Institute Experience. Thai J Surg [Internet]. 2011 Dec. 30 [cited 2024 Apr. 25];32(4). Available from: https://he02.tci-thaijo.org/index.php/ThaiJSurg/article/view/227306

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Original Articles