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Article Dans Une Revue World Neurosurgery Année : 2017

Complications after surgery for mesial temporal lobe epilepsy associated with hippocampal sclerosis

Résumé

Background Hippocampal sclerosis is the most common cause of drug-resistant epilepsy amenable for surgical treatment and seizure control. This study aimed to analyze morbidities related to surgery of mesial temporal lobe epilepsy associated with hippocampal sclerosis and to identify possible risk factors for complications. Methods A retrospective analysis of postoperative complications was made for 389 operations performed between 1990 and 2015 on patients aged 15 to 67 years (mean 36.8). Three surgical approaches were used: anterior temporal lobectomy (ATL) (n=209), transcortical selective amygdalohippocampectomy (SAH) (n=144) and transylvian SAH (n=36). Complications were classified as minor, or major if there was a neurological impairment or if further surgical or medical treatment was needed. Results Complications followed 15.4% of operations. They were classed as major for 4.1% of patients, but there were no mortalities. Persistent neurological deficits occurred in 0.5% of patients. In 3 cases (0.8%) additional surgery was needed to treat an intracranial hematoma, a delayed hydrocephalus and a subdural empyema. Symptomatic visual field defects (VFDs) were frequent and included contralateral superior quadrantanopia (8.2%) or hemianopia (1.3%). Overall complications (P=0.04) and symptomatic VFDs (P=0.04) were most frequent in operations on men. Major complications occurred most often with the ATL surgical approach than with transcortical SAH (P=0.03). Conclusions Major complications occur rarely after mesial temporal surgery on epileptic patients. They occur more often following ATL than transcortical SAH approach. Complications tend to be temporary with symptoms of limited duration for surgery performed by experienced teams on carefully selected and evaluated patients. Key Words
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hal-01504836 , version 1 (10-04-2017)

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Bertrand Mathon, Vincent Navarro, Franck Bielle, Vi-Huong Nguyen-Michel, Alexandre Carpentier, et al.. Complications after surgery for mesial temporal lobe epilepsy associated with hippocampal sclerosis. World Neurosurgery, 2017, ⟨10.1016/j.wneu.2017.03.128⟩. ⟨hal-01504836⟩
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