Brain-derived neurotrophic factor blood levels after electroconvulsive therapy in patients with major depressive disorder: A systematic review and meta-analysis
Asian Journal of Psychiatry, ISSN: 1876-2018, Vol: 51, Page: 101983
2020
- 24Citations
- 34Captures
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Metrics Details
- Citations24
- Citation Indexes24
- 24
- CrossRef20
- Captures34
- Readers34
- 34
Article Description
Some evidence pointed out that Electro-Convulsive Treatment (ECT) could increase the level of brain-derived neurotrophic factor (BDNF) in depressive patients. However, there are some disagreements. The purpose of the study is through a systematic review and meta-analysis to evaluate BDNF levels after ECT in patients with Major depressive disorder. Two independent researchers searched of published articles in the databases of Cochrane Library, PubMed, MEDLINE, EMBASE and WanFang Data, from January 1990 to March 2019. The following key words were used: “depression” or “depressive disorder”, "major depressive disorder", "unipolar depression", "brain-derived neurotrophic factor" or “BDNF”, and "electroconvulsive" or “ECT”. A total of 22 studies met the inclusion criteria of the meta-analysis and included into our analysis. BDNF levels were increased among patients with MDD after ECT ( P = 0.000) in plasma samples. The standardized mean difference ( SMD ) was 0.695 (95 % CI: 0.402-0.988). We also found BDNF levels increased on one week and one month after finishing ECT ( SMD = 0.491, 95 %CI: 0.150,0.833, P = 0.005; and SMD = 0.812, 95 %CI: 0.326,1.298, P = 0.001, respectively). Our findings suggest that BDNF levels may increase after ECT and may possibly be used as an indicator of treatment response after one or more weeks of ECT in patients with depression. However, additional investigation of BDNF levels with different ECT durations are needed in responders and non-responders.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S1876201820300915; http://dx.doi.org/10.1016/j.ajp.2020.101983; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85081010253&origin=inward; http://www.ncbi.nlm.nih.gov/pubmed/32146142; https://linkinghub.elsevier.com/retrieve/pii/S1876201820300915; https://dx.doi.org/10.1016/j.ajp.2020.101983
Elsevier BV
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