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Efficacy of psychological interventions aiming to reduce chronic nightmares: a meta-analysis.
Clin Psychol Rev. 2013 Feb; 33(1):146-55.CP

Abstract

This study presents a meta-analysis of the effectiveness of psychological treatments for chronic nightmares using imaginal confrontation with nightmare contents (ICNC) or imagery rescripting and rehearsal (IRR). Pre-post effect sizes (Hedges' g) were calculated for the outcome measures of nightmare frequency, nights per week with nightmares, sleep quality, depression, anxiety, and PTSD severity. Fixed-effects and random-effects models were applied. High effect sizes were found for nightmare frequency (g=1.04), nights per week with nightmares (g=0.99), and PTSD severity (g=0.92). Most of the effect sizes for the secondary outcomes were moderate. One objective was to clarify whether ICNC or IRR is more important for nightmare reduction. The results indicate that a higher duration of time for ICNC is associated with greater improvements: The minutes of applied ICNC moderate the effect sizes for nightmare frequency at follow-up 2 and for nights per week with nightmares at post and follow-up 1. The percentage of applied ICNC moderates the effect sizes for nightmare frequency and nights per week with nightmares at follow-up 1. Thus, dismantling studies are necessary to draw conclusions regarding whether ICNC or IRR is the most effective in the psychological treatment of chronic nightmares.

Authors+Show Affiliations

Department of Clinical Psychology and Psychotherapy, Johann Wolfgang Goethe University, Frankfurt, Germany. Kathrin.Hansen@gmx.deNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Meta-Analysis
Research Support, Non-U.S. Gov't
Review

Language

eng

PubMed ID

23186732

Citation

Hansen, Kathrin, et al. "Efficacy of Psychological Interventions Aiming to Reduce Chronic Nightmares: a Meta-analysis." Clinical Psychology Review, vol. 33, no. 1, 2013, pp. 146-55.
Hansen K, Höfling V, Kröner-Borowik T, et al. Efficacy of psychological interventions aiming to reduce chronic nightmares: a meta-analysis. Clin Psychol Rev. 2013;33(1):146-55.
Hansen, K., Höfling, V., Kröner-Borowik, T., Stangier, U., & Steil, R. (2013). Efficacy of psychological interventions aiming to reduce chronic nightmares: a meta-analysis. Clinical Psychology Review, 33(1), 146-55. https://doi.org/10.1016/j.cpr.2012.10.012
Hansen K, et al. Efficacy of Psychological Interventions Aiming to Reduce Chronic Nightmares: a Meta-analysis. Clin Psychol Rev. 2013;33(1):146-55. PubMed PMID: 23186732.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Efficacy of psychological interventions aiming to reduce chronic nightmares: a meta-analysis. AU - Hansen,Kathrin, AU - Höfling,Volkmar, AU - Kröner-Borowik,Tana, AU - Stangier,Ulrich, AU - Steil,Regina, Y1 - 2012/11/07/ PY - 2012/01/06/received PY - 2012/10/29/revised PY - 2012/10/30/accepted PY - 2012/11/29/entrez PY - 2012/11/29/pubmed PY - 2013/6/1/medline SP - 146 EP - 55 JF - Clinical psychology review JO - Clin Psychol Rev VL - 33 IS - 1 N2 - This study presents a meta-analysis of the effectiveness of psychological treatments for chronic nightmares using imaginal confrontation with nightmare contents (ICNC) or imagery rescripting and rehearsal (IRR). Pre-post effect sizes (Hedges' g) were calculated for the outcome measures of nightmare frequency, nights per week with nightmares, sleep quality, depression, anxiety, and PTSD severity. Fixed-effects and random-effects models were applied. High effect sizes were found for nightmare frequency (g=1.04), nights per week with nightmares (g=0.99), and PTSD severity (g=0.92). Most of the effect sizes for the secondary outcomes were moderate. One objective was to clarify whether ICNC or IRR is more important for nightmare reduction. The results indicate that a higher duration of time for ICNC is associated with greater improvements: The minutes of applied ICNC moderate the effect sizes for nightmare frequency at follow-up 2 and for nights per week with nightmares at post and follow-up 1. The percentage of applied ICNC moderates the effect sizes for nightmare frequency and nights per week with nightmares at follow-up 1. Thus, dismantling studies are necessary to draw conclusions regarding whether ICNC or IRR is the most effective in the psychological treatment of chronic nightmares. SN - 1873-7811 UR - https://www.unboundmedicine.com/medline/citation/23186732/Efficacy_of_psychological_interventions_aiming_to_reduce_chronic_nightmares:_a_meta_analysis_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0272-7358(12)00164-X DB - PRIME DP - Unbound Medicine ER -