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Epilepsy Behav. 2006 Aug;9(1):73-82. Epub 2006 May 26.

Correlation of health-related quality of life after surgery for mesial temporal lobe epilepsy with two seizure outcome scales.

Author information

1
Department of Neurosurgery, University Clinic Bonn, Bonn, Germany. Marec.von_Lehe@ukb.uni-bonn.de

Abstract

PURPOSE:

The objective of this study was to correlate health-related quality of life (HRQOL) after surgery for mesial temporal lobe epilepsy, as revealed by a postoperative screening tool, to different modalities of seizure outcome classification (Engel, International League Against Epilepsy (ILAE)).

METHOD:

One hundred twenty-eight of one hundred forty consecutive patients returned a HRQOL questionnaire at a mean of 36 months after selective amygdalohippocampectomy. Patients answered in two ways: with an absolute estimation (values 1-4) and with a self-rated relative change (-1, 0, +1) after surgery.

RESULTS:

Eighty patients were seizure- and aura-free (63.3% ILAE 1), 16 continued to have auras (12.5% ILAE 2), and 13 experienced 1-3 seizure days per year after surgery (10.2% ILAE 3). Ninety-two patients were classified seizure-free (71.9% Engel I), and 17 had two or fewer seizures per year (13.3% Engel II). Of 110 patients in ILAE 1-3, 100 (91%) stated good or even very good postoperative HRQOL, and 99 (90.0%) reported improvements in HRQOL. Only 9 of the remaining 18 (50%) reported good or very good HRQOL after surgery (P=0.01). Corresponding results were obtained with Engel classes I and II, suggesting a trend toward ILAE 1-3 and Engel I and II as overall satisfactory outcomes. A more detailed HRQOL assessment yielded lowest scores in the cognitive domain, and a significant correlation of self-rated changes in cognitive functioning with seizure control (P=0.01). Changes in physical capabilities and mood were significantly better with satisfactory seizure outcome (P=0.006 and P<0.001, respectively), whereas the social aspects were not significantly dependent on seizure outcome (P=0.06).

CONCLUSION:

Correlation of HRQOL and seizure control suggested that ILAE 1-3 and Engel I and II most likely represent overall satisfactory outcome. Subdomain analyses revealed cognitive abilities as the most critical feature associated with seizure control, whereas social aspects remained mainly stable.

PMID:
16730476
DOI:
10.1016/j.yebeh.2006.03.014
[Indexed for MEDLINE]

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