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Effectiveness of weekly cognitive stimulation therapy for people with dementia and the additional impact of enhancing cognitive stimulation therapy with a carer training program

Authors Cove J, Jacobi N, Donovan H, Orrell M, Stott J, Spector A

Received 17 April 2014

Accepted for publication 21 May 2014

Published 11 December 2014 Volume 2014:9 Pages 2143—2150

DOI https://doi.org/10.2147/CIA.S66232

Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 2

Jennifer Cove,1 Nicola Jacobi,2 Helen Donovan,3 Martin Orrell,4 Josh Stott,5 Aimee Spector5

1Department of Clinical, Educational and Health Psychology, University College London, London, 2Department of Psychology, City University, London, 3Clinical Psychology Service, South Essex Partnership NHS Foundation Trust, Bedford, 4Department of Psychiatry, 5Department of Clinical, Educational and Health Psychology, University College London, London, UK

Purpose of the study: Cognitive stimulation therapy (CST) is a widely used, evidence-based intervention for people with dementia (PwD). Although designed as a 14 session, twice weekly intervention, many services in the UK deliver CST once a week for 14 weeks. However, this method of delivery has yet to be evaluated. In addition, CST does not include any formal carer training. This study aimed to evaluate the effectiveness of once weekly CST and determine any additional impact when enhanced with a carer training program.
Design and methods: A single blind, randomized controlled trial was conducted. Sixty eight PwD and their carers were recruited through three community Memory Assessment Services. PwD and their carers were randomized to one of three conditions: CST plus carer training, CST only, or a wait list control. PwD were administered standardized measures of cognition, quality of life, and quality of relationship with carer at baseline and the 15 week follow-up.
Results: There were no baseline differences across the three groups. At follow-up, there were no significant differences between PwD in the three groups on any outcomes.
Implications: Weekly CST with or without carer training may not be an effective form of delivery. Several possible explanations for the outcomes are proposed. Weekly CST may not offer the necessary “dose” required to combat decline, and equally the carer training may have been too brief to have made a difference. Services currently offering weekly CST should collect routine outcome data to support its use and provide practice-based evidence.

Keywords: Alzheimer’s disease, cognition, intervention, caregiver

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