Magnetic resonance spectroscopy studies in children and adolescents with depression: A systematic review and meta-analysis
Abstract
Background: Numerous studies have focused on the levels of brain metabolites in patients with depression. However, there are relatively few studies on magnetic resonance spectroscopy (MRS) of adolescent depression and the related neurobiological mechanisms lack consistent conclusions. To summarize the nature of brain metabolite changes in adolescents with depression, we conducted meta-analyses of metabolite levels in proton magnetic resonance spectroscopy (1H-MRS) studies.
Methods: We searched the PubMed, Cochrane Library, Scopus, Embase, and Web of Science databases from January 1965 to December 2023. Heterogeneity across studies was evaluated using the Q and I2 tests, and the random-effects model was used for analysis. Subgroup analyses were also conducted to explore potential sources of inconsistency.
Results: A total of 26 studies involving 465 adolescent patients with depression and 409 healthy controls (HC) were included in this systematic review. N-acetyl aspartate (NAA) levels (SMD: -0.20, 95%CI: -0.34 to -0.05) were decreased in adolescents with depression when all brain areas were combined. In the dorsolateral prefrontal cortex white matter region, right-sided NAA (SMD: -0.76, 95 % CI: -1.36 to -0.15) and left-sided choline (Cho) levels (SMD: -0.54, 95 % CI: -0.96 to -0.12) were decreased. The levels of NAA (SMD: -0.35, 95 % CI: -0.65 to -0.05), Cho (SMD: -0.34, 95 % CI: -0.67 to -0.00) and creatine (Cr) (SMD: -0.50, 95 % CI: -0.96 to -0.03) in the anterior…
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Evidence Hub reads this as a meta-analysis, done in people. Its evidence level is 1 of 5 (Highest · pooled evidence). Pooled evidence from several studies sits at the top of the evidence pyramid. Reported size: 465 participants or records.
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