Efficacy of group psychotherapy for posttraumatic stress disorder: Systematic review and meta-analysis of randomized controlled trials

Objective: The present meta-analysis evaluates the efficacy of group psychotherapy for post-traumatic stress disorder (PTSD) in adults directly compared to no treatment or active treatments examined in randomized controlled trials (RCTs). Method: Electronic databases were searched for eligible studi...

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Vydané v:Psychotherapy research Ročník 29; číslo 4; s. 415 - 431
Hlavní autori: Schwartze, D., Barkowski, S., Strauss, B., Knaevelsrud, C., Rosendahl, J.
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: England Routledge 04.07.2019
Taylor & Francis Ltd
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ISSN:1050-3307, 1468-4381, 1468-4381
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Abstract Objective: The present meta-analysis evaluates the efficacy of group psychotherapy for post-traumatic stress disorder (PTSD) in adults directly compared to no treatment or active treatments examined in randomized controlled trials (RCTs). Method: Electronic databases were searched for eligible studies. Effects on PTSD symptoms, depression, and anxiety were extracted. Between- and within-group effect sizes (Hedges' g) were calculated using a random-effects model. Data were adjusted to account for dependencies among observations in groups. Results: Twenty RCTs were included comprising 2244 individuals. Results showed significant effects of group psychotherapy in reducing symptoms of PTSD compared to no-treatment control groups (k = 13; g = 0.70; 95% CI: 0.41; 0.99). No significant differences in efficacy were found between group psychotherapy and other active treatments (k = 8; g = 0.13; 95% CI: −0.16; 0.42). Moderator analyses confirmed gender and trauma type as important moderators of within-treatment effects for PTSD. Conclusions: Group treatments are associated with improvements in symptoms of PTSD. Particularly, the efficacy of exposure-based cognitive-behavioral group therapy (group CBT) is empirically well demonstrated. Still little is known about the effects of group treatment approaches other than CBT and the comparative efficacy to alternative treatments such as individual therapy or pharmacotherapy. Clinical or Methodological Significance of this Article: This review provides an empirical base for group therapy as a viable treatment alternative for future PTSD practice guidelines. Although less is known about its comparative efficacy to alternative PTSD treatments such as individual therapy or pharmacotherapy, sufficient evidence exists to recommend group therapy (particularly exposure-based group CBT) for those who might not be able to access alternative treatments. Trauma type and gender proved to be important moderators of group treatment outcome. The results further indicate that the evidence base of recommendations for group therapy in current international treatment guidelines needs to be updated.
AbstractList (ProQuest: ... denotes non-USASCII text omitted)Objective: The present meta-analysis evaluates the efficacy of group psychotherapy for post-traumatic stress disorder (PTSD) in adults directly compared to no treatment or active treatments examined in randomized controlled trials (RCTs). Method: Electronic databases were searched for eligible studies. Effects on PTSD symptoms, depression, and anxiety were extracted. Between- and within-group effect sizes (Hedges' g) were calculated using a random-effects model. Data were adjusted to account for dependencies among observations in groups. Results: Twenty RCTs were included comprising 2244 individuals. Results showed significant effects of group psychotherapy in reducing symptoms of PTSD compared to no-treatment control groups (k = 13; g = 0.70; 95% CI: 0.41; 0.99). No significant differences in efficacy were found between group psychotherapy and other active treatments (k = 8; g = 0.13; 95% CI: -0.16; 0.42). Moderator analyses confirmed gender and trauma type as important moderators of within-treatment effects for PTSD. Conclusions: Group treatments are associated with improvements in symptoms of PTSD. Particularly, the efficacy of exposure-based cognitive-behavioral group therapy (group CBT) is empirically well demonstrated. Still little is known about the effects of group treatment approaches other than CBT and the comparative efficacy to alternative treatments such as individual therapy or pharmacotherapy.Clinical or Methodological Significance of this Article: This review provides an empirical base for group therapy as a viable treatment alternative for future PTSD practice guidelines. Although less is known about its comparative efficacy to alternative PTSD treatments such as individual therapy or pharmacotherapy, sufficient evidence exists to recommend group therapy (particularly exposure-based group CBT) for those who might not be able to access alternative treatments. Trauma type and gender proved to be important moderators of group treatment outcome. The results further indicate that the evidence base of recommendations for group therapy in current international treatment guidelines needs to be updated.
The present meta-analysis evaluates the efficacy of group psychotherapy for post-traumatic stress disorder (PTSD) in adults directly compared to no treatment or active treatments examined in randomized controlled trials (RCTs).OBJECTIVEThe present meta-analysis evaluates the efficacy of group psychotherapy for post-traumatic stress disorder (PTSD) in adults directly compared to no treatment or active treatments examined in randomized controlled trials (RCTs).Electronic databases were searched for eligible studies. Effects on PTSD symptoms, depression, and anxiety were extracted. Between- and within-group effect sizes (Hedges' g) were calculated using a random-effects model. Data were adjusted to account for dependencies among observations in groups.METHODElectronic databases were searched for eligible studies. Effects on PTSD symptoms, depression, and anxiety were extracted. Between- and within-group effect sizes (Hedges' g) were calculated using a random-effects model. Data were adjusted to account for dependencies among observations in groups.Twenty RCTs were included comprising 2244 individuals. Results showed significant effects of group psychotherapy in reducing symptoms of PTSD compared to no-treatment control groups (k = 13; g = 0.70; 95% CI: 0.41; 0.99). No significant differences in efficacy were found between group psychotherapy and other active treatments (k = 8; g = 0.13; 95% CI: -0.16; 0.42). Moderator analyses confirmed gender and trauma type as important moderators of within-treatment effects for PTSD.RESULTSTwenty RCTs were included comprising 2244 individuals. Results showed significant effects of group psychotherapy in reducing symptoms of PTSD compared to no-treatment control groups (k = 13; g = 0.70; 95% CI: 0.41; 0.99). No significant differences in efficacy were found between group psychotherapy and other active treatments (k = 8; g = 0.13; 95% CI: -0.16; 0.42). Moderator analyses confirmed gender and trauma type as important moderators of within-treatment effects for PTSD.Group treatments are associated with improvements in symptoms of PTSD. Particularly, the efficacy of exposure-based cognitive-behavioral group therapy (group CBT) is empirically well demonstrated. Still little is known about the effects of group treatment approaches other than CBT and the comparative efficacy to alternative treatments such as individual therapy or pharmacotherapy. Clinical or Methodological Significance of this Article: This review provides an empirical base for group therapy as a viable treatment alternative for future PTSD practice guidelines. Although less is known about its comparative efficacy to alternative PTSD treatments such as individual therapy or pharmacotherapy, sufficient evidence exists to recommend group therapy (particularly exposure-based group CBT) for those who might not be able to access alternative treatments. Trauma type and gender proved to be important moderators of group treatment outcome. The results further indicate that the evidence base of recommendations for group therapy in current international treatment guidelines needs to be updated.CONCLUSIONSGroup treatments are associated with improvements in symptoms of PTSD. Particularly, the efficacy of exposure-based cognitive-behavioral group therapy (group CBT) is empirically well demonstrated. Still little is known about the effects of group treatment approaches other than CBT and the comparative efficacy to alternative treatments such as individual therapy or pharmacotherapy. Clinical or Methodological Significance of this Article: This review provides an empirical base for group therapy as a viable treatment alternative for future PTSD practice guidelines. Although less is known about its comparative efficacy to alternative PTSD treatments such as individual therapy or pharmacotherapy, sufficient evidence exists to recommend group therapy (particularly exposure-based group CBT) for those who might not be able to access alternative treatments. Trauma type and gender proved to be important moderators of group treatment outcome. The results further indicate that the evidence base of recommendations for group therapy in current international treatment guidelines needs to be updated.
Objective: The present meta-analysis evaluates the efficacy of group psychotherapy for post-traumatic stress disorder (PTSD) in adults directly compared to no treatment or active treatments examined in randomized controlled trials (RCTs). Method: Electronic databases were searched for eligible studies. Effects on PTSD symptoms, depression, and anxiety were extracted. Between- and within-group effect sizes (Hedges' g) were calculated using a random-effects model. Data were adjusted to account for dependencies among observations in groups. Results: Twenty RCTs were included comprising 2244 individuals. Results showed significant effects of group psychotherapy in reducing symptoms of PTSD compared to no-treatment control groups (k = 13; g = 0.70; 95% CI: 0.41; 0.99). No significant differences in efficacy were found between group psychotherapy and other active treatments (k = 8; g = 0.13; 95% CI: −0.16; 0.42). Moderator analyses confirmed gender and trauma type as important moderators of within-treatment effects for PTSD. Conclusions: Group treatments are associated with improvements in symptoms of PTSD. Particularly, the efficacy of exposure-based cognitive-behavioral group therapy (group CBT) is empirically well demonstrated. Still little is known about the effects of group treatment approaches other than CBT and the comparative efficacy to alternative treatments such as individual therapy or pharmacotherapy. Clinical or Methodological Significance of this Article: This review provides an empirical base for group therapy as a viable treatment alternative for future PTSD practice guidelines. Although less is known about its comparative efficacy to alternative PTSD treatments such as individual therapy or pharmacotherapy, sufficient evidence exists to recommend group therapy (particularly exposure-based group CBT) for those who might not be able to access alternative treatments. Trauma type and gender proved to be important moderators of group treatment outcome. The results further indicate that the evidence base of recommendations for group therapy in current international treatment guidelines needs to be updated.
The present meta-analysis evaluates the efficacy of group psychotherapy for post-traumatic stress disorder (PTSD) in adults directly compared to no treatment or active treatments examined in randomized controlled trials (RCTs). Electronic databases were searched for eligible studies. Effects on PTSD symptoms, depression, and anxiety were extracted. Between- and within-group effect sizes (Hedges' g) were calculated using a random-effects model. Data were adjusted to account for dependencies among observations in groups. Twenty RCTs were included comprising 2244 individuals. Results showed significant effects of group psychotherapy in reducing symptoms of PTSD compared to no-treatment control groups (k = 13; g = 0.70; 95% CI: 0.41; 0.99). No significant differences in efficacy were found between group psychotherapy and other active treatments (k = 8; g = 0.13; 95% CI: -0.16; 0.42). Moderator analyses confirmed gender and trauma type as important moderators of within-treatment effects for PTSD. Group treatments are associated with improvements in symptoms of PTSD. Particularly, the efficacy of exposure-based cognitive-behavioral group therapy (group CBT) is empirically well demonstrated. Still little is known about the effects of group treatment approaches other than CBT and the comparative efficacy to alternative treatments such as individual therapy or pharmacotherapy. Clinical or Methodological Significance of this Article: This review provides an empirical base for group therapy as a viable treatment alternative for future PTSD practice guidelines. Although less is known about its comparative efficacy to alternative PTSD treatments such as individual therapy or pharmacotherapy, sufficient evidence exists to recommend group therapy (particularly exposure-based group CBT) for those who might not be able to access alternative treatments. Trauma type and gender proved to be important moderators of group treatment outcome. The results further indicate that the evidence base of recommendations for group therapy in current international treatment guidelines needs to be updated.
Author Barkowski, S.
Schwartze, D.
Rosendahl, J.
Strauss, B.
Knaevelsrud, C.
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  surname: Schwartze
  fullname: Schwartze, D.
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  organization: Institute of Psychosocial Medicine and Psychotherapy, Jena University Hospital, Friedrich-Schiller University
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  givenname: S.
  surname: Barkowski
  fullname: Barkowski, S.
  organization: Institute of Psychosocial Medicine and Psychotherapy, Jena University Hospital, Friedrich-Schiller University
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  surname: Strauss
  fullname: Strauss, B.
  organization: Institute of Psychosocial Medicine and Psychotherapy, Jena University Hospital, Friedrich-Schiller University
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  givenname: C.
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  surname: Knaevelsrud
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  fullname: Rosendahl, J.
  organization: Institute of Psychosocial Medicine and Psychotherapy, Jena University Hospital, Friedrich-Schiller University
BackLink https://www.ncbi.nlm.nih.gov/pubmed/29179647$$D View this record in MEDLINE/PubMed
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PublicationDate 2019-07-04
PublicationDateYYYYMMDD 2019-07-04
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PublicationDecade 2010
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PublicationTitle Psychotherapy research
PublicationTitleAlternate Psychother Res
PublicationYear 2019
Publisher Routledge
Taylor & Francis Ltd
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Snippet Objective: The present meta-analysis evaluates the efficacy of group psychotherapy for post-traumatic stress disorder (PTSD) in adults directly compared to no...
The present meta-analysis evaluates the efficacy of group psychotherapy for post-traumatic stress disorder (PTSD) in adults directly compared to no treatment...
(ProQuest: ... denotes non-USASCII text omitted)Objective: The present meta-analysis evaluates the efficacy of group psychotherapy for post-traumatic stress...
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SubjectTerms Adults
Alternatives
Anxiety
Clinical trials
Cognitive behavioral therapy
Cognitive Behavioral Therapy - statistics & numerical data
Cognitive-behavioral factors
Drug therapy
efficacia del trattamento
Efficacy
eficácia do tratamento
ensaio clínico randomizado
Gender
Group psychotherapy
Group therapy
Humans
Implosive Therapy - statistics & numerical data
Medical research
Medical treatment
Mental depression
meta-analisi
Meta-analysis
meta-análise
Moderators
Outcome Assessment (Health Care) - statistics & numerical data
Pharmacology
Post traumatic stress disorder
Psychotherapy
Psychotherapy, Group - statistics & numerical data
PTSD
randomized controlled trial
Randomized Controlled Trials as Topic - statistics & numerical data
Stress Disorders, Post-Traumatic - therapy
studio controllato randomizzato
Symptoms
Systematic review
TEPT
terapia de grupo
terapia di gruppo
Trauma
treatment efficacy
Treatment methods
創傷後壓力症
團體治療
後設分析
處遇效能
隨機控制試驗
Title Efficacy of group psychotherapy for posttraumatic stress disorder: Systematic review and meta-analysis of randomized controlled trials
URI https://www.tandfonline.com/doi/abs/10.1080/10503307.2017.1405168
https://www.ncbi.nlm.nih.gov/pubmed/29179647
https://www.proquest.com/docview/2204631945
https://www.proquest.com/docview/1969926923
Volume 29
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