Surgical outcomes for medically intractable epilepsy in low- and middle-income countries: a systematic review and meta-analysis.

Abstract:

:OBJECTIVEThe aim of this study was to describe the current state of epilepsy surgery and establish estimates of seizure outcomes following surgery for medically intractable epilepsy (MIE) in low- and middle-income countries (LMICs).METHODSThe MEDLINE and Embase databases were searched without publication date restriction. This search was supplemented by a manual screen of key epilepsy and neurosurgical journals (January 2005 to December 2016). Studies that reported outcomes for at least 10 patients of any age undergoing surgery for MIE in LMICs over a defined follow-up period were included. A meta-analysis with a random-effects model was performed in accordance with the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) statement and MOOSE (Meta-analysis of Observational Studies in Epidemiology) guidelines. Pooled estimates of seizure freedom and favorable seizure outcomes following anterior temporal lobectomy with or without amygdalohippocampectomy (ATL ± AH) were reported.RESULTSTwenty studies were selected, of which 16 were from Asian centers. The average age at surgery in all studies was less than 30 years, and the average preoperative duration of epilepsy ranged from 3 to 16.1 years. Mesial temporal sclerosis accounted for 437 of 951 described pathologies, and 1294 of the 1773 procedures were ATL ± AH. Based on 7 studies (646 patients) the pooled seizure freedom estimate following ATL ± AH was 68% (95% CI 55%-82%). Based on 8 studies (1096 patients), the pooled estimate for favorable seizure outcomes was 79% (95% CI 74%-85%).CONCLUSIONSSurgery for MIE in LMICs shows a high percentage of seizure freedom and favorable outcomes. These findings call for a concerted global effort to improve timely access to surgery for MIE patients in these regions, including investments aimed at refining existing and establishing additional centers.

journal_name

J Neurosurg

journal_title

Journal of neurosurgery

authors

Mansouri A,Taslimi S,Abbasian A,Badhiwala JH,Akbar MA,Alotaibi NM,Almenawer SA,Weil AG,Fallah A,Carmant L,Ibrahim GM

doi

10.3171/2018.5.JNS18599

subject

Has Abstract

pub_date

2018-11-01 00:00:00

pages

1-11

eissn

0022-3085

issn

1933-0693

pii

2018.5.JNS18599

pub_type

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