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Spanish translation, adaptation, and validation of the Epilepsy Surgery Satisfaction Questionnaire‐19
Journal article   Peer reviewed

Spanish translation, adaptation, and validation of the Epilepsy Surgery Satisfaction Questionnaire‐19

Elena Fonseca, Alejandro Thomson, Mario Alonso, Óscar Contreras, Walter de la Cruz, María Garcés-Pellejero, Enric Bellido-Castillo, Camilo Espinosa-Jovel, Alberto Velásquez, Enrique de Font-Reaulx, …
Epilepsia (Copenhagen), Vol.67(1), pp.315-327
01/2026
DOI: 10.1111/epi.18631
PMID: 41074774

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Abstract

Objective The effectiveness of surgery in drug-resistant epilepsies is often focused exclusively on seizure control. The Epilepsy Surgery Satisfaction Questionnaire-19 (ESSQ_19), developed in 2020, is a reliable tool for assessing the level of satisfaction of patients undergoing surgery. We aimed to perform a Spanish translation, adaptation, and validation of the ESSQ_19 questionnaire. Methods This was a prospective multicenter study (five Spanish-speaking countries) including an international cohort of adult patients who underwent epilepsy surgery at least 1 year prior to participation. We followed a translation and back-translation methodology to obtain the Spanish version of the questionnaire (ESP-ESSQ_19). For validation, internal consistency (Cronbach alpha) and test–retest reliability at 6 months were assessed, and psychometric properties were measured by correlating them with parallel aspects using validated questionnaires. Results One hundred fifty patients were included (59.3% women; mean age = 39.3 ± 13 years, interquartile range [IQR] = 28–49 years), of whom 94 completed the baseline and follow-up questionnaires, with a median time since surgery of 3 (IQR = 1–7) years. Temporal lobe epilepsy was the most common (n = 112, 77.8%), as was structural etiology (n = 139, 95.2%). At inclusion, 101 patients (68.7%) had been seizure-free for ≥1 year. The ESP-ESSQ_19 questionnaire showed an internal consistency index of .88–.95 for all domains and a test–retest reliability of .91 (95% confidence interval = .87–.94). Significant correlation coefficients were observed between the ESP-ESSQ_19 questionnaire and all validated questionnaires used. Significance The ESP-ESSQ_19 questionnaire is a Spanish-language instrument useful for assessing patient satisfaction after epilepsy surgery, with adequate psychometric properties that allow its use in clinical practice and in research.

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