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Cultural adaptations of cognitive behavioural therapy for Latin American patients: unexpected findings from a systematic review

Published online by Cambridge University Press:  21 December 2020

Maria Elena Hernandez Hernandez*
Affiliation:
Department of Psychology, University of Sheffield, Cathedral Court, 1 Vicar Lane, Sheffield S1 2LT, UK
Glenn Waller
Affiliation:
Department of Psychology, University of Sheffield, Cathedral Court, 1 Vicar Lane, Sheffield S1 2LT, UK
Gillian Hardy
Affiliation:
Department of Psychology, University of Sheffield, Cathedral Court, 1 Vicar Lane, Sheffield S1 2LT, UK
*
*Corresponding author. Email: elena.h89@hotmail.com
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Abstract

The current literature extensively recommends making cultural adaptations to psychological therapies, in order to address the differences in values, beliefs and attitudes that patients from different ethnic groups might hold. Although this approach has shown positive outcomes in some settings, it is not well established yet whether such adaptations are needed for all therapies and in all cultures. Therefore, the main aim of this study was to systematically review the literature regarding culturally adapted and ‘conventional’ cognitive behavioural therapy (CBT) for Latin American patients, within Latin American and non-Latin American countries. Sixty empirical studies regarding the effectiveness of culturally adapted and conventional CBT were included in this review. The included studies were carried out in Latin American and non-Latin American countries. The information from all studies was synthesized and assessed, including intervention effect sizes, patient retention rates, methodological quality of the papers, and the type of cultural adaptation made to the therapy. There were no differences between the sets of studies in terms of effectiveness, retention rates, methodological quality, or proportion of statistically significant interventions. Most of the cultural adaptations were peripheral or unspecified. The evidence to date indicates that both conventional and culturally adapted CBT offer the same benefits for Latin American patients in terms of effectiveness and retention rates. Rather than focusing on cultural adaptations, clinicians are encouraged to improve the way they deliver CBT through training and supervision.

Key learning aims

  1. (1) Cultural adaptations of CBT do not seem to offer any significant benefits to conventional, non-adapted CBT in Latin American patients.

  2. (2) Most of the adaptations made to CBT for Latin American patients are either peripheral or not disclosed.

  3. (3) We discuss the implications of adapting CBT for Latin American patients when there is no apparent need to do so.

Information

Type
Review Paper
Copyright
© British Association for Behavioural and Cognitive Psychotherapies 2020
Figure 0

Table 1. Systematic review search terms and filters (both in Spanish and English)

Figure 1

Figure 1. PRISMA flow diagram.

Figure 2

Table 2. Raw data extracted from the analysed studies

Figure 3

Table 3. Summary of main outcomes

Figure 4

Table 4. Quantitative comparison between the groups of analysed papers

Figure 5

Table 5. Effect sizes, retention rates and quality scores of all culturally adapted interventions by subgroups

Supplementary material: PDF

Hernandez Hernandez et al. supplementary material

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