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[Defects in the visual field in resective surgery for temporal lobe epilepsy]
R Hervás-Navidad1, A Altuzarra-Corral, J A Lucena-Martín
1Servicio de Neurología, Hospital Universitario Virgen de las Nieves, Granada, 18013, España. neuro2000@hvn.sas.junta-andalucia.es
Revista De Neurologia
|July 23, 2002
Summary
Anterior temporal lobectomy (ATL) for epilepsy frequently causes visual field defects, but these have minimal impact on quality of life. Most patients experience improved seizure control and are satisfied with the surgery.
Area of Science:
- Neurosurgery
- Ophthalmology
- Epileptology
Context:
- Anterior temporal lobectomy (ATL) is a common surgical intervention for refractory epilepsy.
- Visual field deficits are a known complication following ATL.
- The functional and quality-of-life consequences of these defects require further elucidation.
Purpose:
- To determine the frequency and severity of visual field defects after ATL.
- To assess the functional consequences of these visual field defects.
- To evaluate the impact on seizure incidence and quality of life post-surgery.
Summary:
- A study of 30 patients undergoing ATL for epilepsy revealed visual field defects in 90% of cases.
- The majority experienced quadrantanopia, with severity correlating with resection size.
- Despite frequent defects, most patients reported improved quality of life and seizure freedom.
Impact:
- Visual field defects after ATL are common but generally do not significantly impair quality of life.
- Seizure freedom is a primary driver of improved quality of life post-ATL.
- Patients report high satisfaction with ATL, underscoring its therapeutic value.