Efficacy and Tolerability of Cranial Electrotherapy Stimulation in the Treatment of Anxiety: A Systemic Review and Meta-Analysis

ObjectiveWe aimed to investigate the efficacy and tolerability of cranial electrotherapy stimulation (CES) for patients with anxiety symptoms.MethodWe searched the Pubmed, Cochrane Central Register of Controlled Trials (CENTRAL), Embase and Medline for randomized control trials (RCTs) from the time...

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Main Authors: Pao-Yuan Ching, Tien-Wei Hsu, Guan-Wei Chen, Chih-Chuan Pan, Che-Sheng Chu, Po-Han Chou
Format: Article
Language:English
Published: Frontiers Media S.A. 2022-06-01
Series:Frontiers in Psychiatry
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fpsyt.2022.899040/full
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author Pao-Yuan Ching
Tien-Wei Hsu
Guan-Wei Chen
Chih-Chuan Pan
Che-Sheng Chu
Che-Sheng Chu
Che-Sheng Chu
Che-Sheng Chu
Po-Han Chou
author_facet Pao-Yuan Ching
Tien-Wei Hsu
Guan-Wei Chen
Chih-Chuan Pan
Che-Sheng Chu
Che-Sheng Chu
Che-Sheng Chu
Che-Sheng Chu
Po-Han Chou
author_sort Pao-Yuan Ching
collection DOAJ
description ObjectiveWe aimed to investigate the efficacy and tolerability of cranial electrotherapy stimulation (CES) for patients with anxiety symptoms.MethodWe searched the Pubmed, Cochrane Central Register of Controlled Trials (CENTRAL), Embase and Medline for randomized control trials (RCTs) from the time of inception until November 15, 2021, following Preferred Reporting Items for Systematic Reviews and Meta-analyses guidelines. Data were pooled using a random-effects model. The primary outcomes were the mean change scores for anxiety symptoms. The secondary outcomes were the mean change scores for depressive symptoms.ResultsEleven RCTs were eligible (n = 794, mean age: 41.4, mean population of female: 64.8%). CES significantly reduced the anxiety symptoms compared to the control group [k = 11, n = 692, Hedge's g = −0.625, 95% confidence intervals (CIs) = −0.952 to −0.298, P < 0.001] with moderate effect size. The subgroup analysis showed that CES reduced both primary and secondary anxiety (primary anxiety, k =3, n = 288, Hedges' g = −1.218, 95% CIs = −1.418 to −0.968, P = 0.007; secondary anxiety, k = 8, n = 504, Hedges' g = −0.334, 95% CIs = −0.570 to −0.098, P = 0.006). After performing between group analysis, we found CES has significant better efficacy for patients with primary anxiety than those with secondary anxiety (P < 0.001). For secondary outcome, CES significantly reduced depressive symptoms in patients with anxiety disorders (k = 8, n = 552, Hedges' g = −0.648, 95% CIs = −1.062 to −0.234, P = 0.002). No severe side effects were reported and the most commonly reported adverse events were ear discomfort and ear pain.ConclusionWe found CES is effective in reducing anxiety symptoms with moderate effect size in patients with both primary and secondary anxiety. Furthermore, CES was well-tolerated and acceptable.Systematic Review Registration: PROSPERO, https://www.crd.york.ac.uk/prospero/display_record.php?ID=CRD42021267916.
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spelling doaj.art-a7c1660b26104ce184b9cb2d2f2fa38f2022-12-22T03:31:38ZengFrontiers Media S.A.Frontiers in Psychiatry1664-06402022-06-011310.3389/fpsyt.2022.899040899040Efficacy and Tolerability of Cranial Electrotherapy Stimulation in the Treatment of Anxiety: A Systemic Review and Meta-AnalysisPao-Yuan Ching0Tien-Wei Hsu1Guan-Wei Chen2Chih-Chuan Pan3Che-Sheng Chu4Che-Sheng Chu5Che-Sheng Chu6Che-Sheng Chu7Po-Han Chou8Department of Psychiatric, Kaohsiung Veterans General Hospital, Kaohsiung, TaiwanDepartment of Psychiatric, Kaohsiung Veterans General Hospital, Kaohsiung, TaiwanDepartment of Psychiatric, Kaohsiung Veterans General Hospital, Kaohsiung, TaiwanDepartment of Psychiatric, Kaohsiung Veterans General Hospital, Kaohsiung, TaiwanDepartment of Psychiatric, Kaohsiung Veterans General Hospital, Kaohsiung, TaiwanCenter for Geriatric and Gerontology, Kaohsiung Veterans General Hospital, Kaohsiung, TaiwanNon-Invasive Neuromodulation Consortium for Mental Disorders, Society of Psychophysiology, Taipei, TaiwanGraduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, TaiwanDepartment of Psychiatry, China Medical University Hsinchu Hospital, China Medical University, Hsinchu, TaiwanObjectiveWe aimed to investigate the efficacy and tolerability of cranial electrotherapy stimulation (CES) for patients with anxiety symptoms.MethodWe searched the Pubmed, Cochrane Central Register of Controlled Trials (CENTRAL), Embase and Medline for randomized control trials (RCTs) from the time of inception until November 15, 2021, following Preferred Reporting Items for Systematic Reviews and Meta-analyses guidelines. Data were pooled using a random-effects model. The primary outcomes were the mean change scores for anxiety symptoms. The secondary outcomes were the mean change scores for depressive symptoms.ResultsEleven RCTs were eligible (n = 794, mean age: 41.4, mean population of female: 64.8%). CES significantly reduced the anxiety symptoms compared to the control group [k = 11, n = 692, Hedge's g = −0.625, 95% confidence intervals (CIs) = −0.952 to −0.298, P < 0.001] with moderate effect size. The subgroup analysis showed that CES reduced both primary and secondary anxiety (primary anxiety, k =3, n = 288, Hedges' g = −1.218, 95% CIs = −1.418 to −0.968, P = 0.007; secondary anxiety, k = 8, n = 504, Hedges' g = −0.334, 95% CIs = −0.570 to −0.098, P = 0.006). After performing between group analysis, we found CES has significant better efficacy for patients with primary anxiety than those with secondary anxiety (P < 0.001). For secondary outcome, CES significantly reduced depressive symptoms in patients with anxiety disorders (k = 8, n = 552, Hedges' g = −0.648, 95% CIs = −1.062 to −0.234, P = 0.002). No severe side effects were reported and the most commonly reported adverse events were ear discomfort and ear pain.ConclusionWe found CES is effective in reducing anxiety symptoms with moderate effect size in patients with both primary and secondary anxiety. Furthermore, CES was well-tolerated and acceptable.Systematic Review Registration: PROSPERO, https://www.crd.york.ac.uk/prospero/display_record.php?ID=CRD42021267916.https://www.frontiersin.org/articles/10.3389/fpsyt.2022.899040/fullanxietycranial electrotherapy stimulationdepressionefficacymeta-analysis
spellingShingle Pao-Yuan Ching
Tien-Wei Hsu
Guan-Wei Chen
Chih-Chuan Pan
Che-Sheng Chu
Che-Sheng Chu
Che-Sheng Chu
Che-Sheng Chu
Po-Han Chou
Efficacy and Tolerability of Cranial Electrotherapy Stimulation in the Treatment of Anxiety: A Systemic Review and Meta-Analysis
Frontiers in Psychiatry
anxiety
cranial electrotherapy stimulation
depression
efficacy
meta-analysis
title Efficacy and Tolerability of Cranial Electrotherapy Stimulation in the Treatment of Anxiety: A Systemic Review and Meta-Analysis
title_full Efficacy and Tolerability of Cranial Electrotherapy Stimulation in the Treatment of Anxiety: A Systemic Review and Meta-Analysis
title_fullStr Efficacy and Tolerability of Cranial Electrotherapy Stimulation in the Treatment of Anxiety: A Systemic Review and Meta-Analysis
title_full_unstemmed Efficacy and Tolerability of Cranial Electrotherapy Stimulation in the Treatment of Anxiety: A Systemic Review and Meta-Analysis
title_short Efficacy and Tolerability of Cranial Electrotherapy Stimulation in the Treatment of Anxiety: A Systemic Review and Meta-Analysis
title_sort efficacy and tolerability of cranial electrotherapy stimulation in the treatment of anxiety a systemic review and meta analysis
topic anxiety
cranial electrotherapy stimulation
depression
efficacy
meta-analysis
url https://www.frontiersin.org/articles/10.3389/fpsyt.2022.899040/full
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