Asian journal of psychiatry · 2026
Development and validation of revised battery for ECT-related cognitive deficits (B4ECT ReCoDe).
СтатьяВалидационное исследованиеНазвание и аннотация: Перевод пока не подготовлен
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Sadhula Kranthi Kumar, Sinha Preeti, Arumugham Shyam Sundar, Vs Sreeraj, Thirthalli Jagadisha
Аннотация
INTRODUCTION: The B4ECT ReCode Battery was developed a decade ago to evaluate cognitive impairments associated with electroconvulsive therapy (ECT). This study aimed to develop and validate a revised version of the Battery.
METHODS: We reviewed literature to identify cognitive domains relevant to ECT. Focus group discussions highlighted limitations of the original battery. We prepared a draft version, which was validated through expert ratings using Delphi method. We further validated battery by administering it to 60 participants undergoing bifrontal brief-pulse ECT at baseline, after third and sixth ECT sessions.
RESULTS: The revised battery included letter and category fluency as new cognitive domains, while omitting the processing speed (Digit Symbol Substitution) and working memory (Letter Number Sequencing). CVR (0.60-1.00) for all parameters and CVI (> 0.8) were adequate for all tests. Assessment of participants revealed a significant decline in category fluency (p = 0.001), letter fluency (p < 0.0001), subjective memory (patient, p < 0.0001; caregiver, p = 0.002), and autobiographical memory scores (p < 0.0001) over six ECT sessions. The completion rate was 91.67%. The recruited and excluded participants were comparable in sociodemographics, diagnosis, and ECT indications, supporting generalizability. Inter-rater reliability for ordinal variables (Cohen's kappa: 0.794 - 0.923) and intraclass correlation coefficient for continuous variables (0.899-0.925) were good.
CONCLUSION: The revised B4ECT ReCoDe exhibits reasonable content validity, inter-rater reliability and feasibility. Its findings align with established patterns of cognitive effects observed in ECT. This preliminary psychometric validity serves as a solid foundation for further exploration in clinical and research settings.
METHODS: We reviewed literature to identify cognitive domains relevant to ECT. Focus group discussions highlighted limitations of the original battery. We prepared a draft version, which was validated through expert ratings using Delphi method. We further validated battery by administering it to 60 participants undergoing bifrontal brief-pulse ECT at baseline, after third and sixth ECT sessions.
RESULTS: The revised battery included letter and category fluency as new cognitive domains, while omitting the processing speed (Digit Symbol Substitution) and working memory (Letter Number Sequencing). CVR (0.60-1.00) for all parameters and CVI (> 0.8) were adequate for all tests. Assessment of participants revealed a significant decline in category fluency (p = 0.001), letter fluency (p < 0.0001), subjective memory (patient, p < 0.0001; caregiver, p = 0.002), and autobiographical memory scores (p < 0.0001) over six ECT sessions. The completion rate was 91.67%. The recruited and excluded participants were comparable in sociodemographics, diagnosis, and ECT indications, supporting generalizability. Inter-rater reliability for ordinal variables (Cohen's kappa: 0.794 - 0.923) and intraclass correlation coefficient for continuous variables (0.899-0.925) were good.
CONCLUSION: The revised B4ECT ReCoDe exhibits reasonable content validity, inter-rater reliability and feasibility. Its findings align with established patterns of cognitive effects observed in ECT. This preliminary psychometric validity serves as a solid foundation for further exploration in clinical and research settings.