The effects of non-pharmacological interventions on vagally-mediated heart rate variability (vmHRV) in individuals with depression: A systematic review and meta-analysis
Zoey Yutong Li , Jeremy Rui Chang , Cong Wang , Minxia Jin , Ian Hoyin Cheng , Suk-yu Yau , Waiming Cheung , Hector Winghong Tsang
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引用次数: 0
Abstract
Objectives
This study seeks to explore the impact of non-pharmacological interventions (NPIs) on vagally-mediated heart rate variability (vmHRV) in subjects experiencing depression. Additionally, it aims to delineate the relationship between vmHRV alterations and the severity of depressive symptoms.
Methods
Search was systematically performed on RCTs studies across various databases. These included Embase, the Cochrane Central Register of Controlled Trials, Medline via EBSCO, PsycINFO accessed through ProQuest, and the Web of Science, capturing all entries until March 11, 2024.
Results
The analysis revealed that NPIs generally exerted small to moderate beneficial effects on cardiac parasympathetic nervous system (PNS) markers such as the root mean square of successive differences (RMSSD) ([SMD] = 0.266, 95 % confidence interval [CI] 0.029–0.503) and high-frequency power (HF) (SMD = 0.178, 95 % CI 0.018–0.337). Specifically, mind-body exercises demonstrated moderate to large enhancements in RMSSD (SMD = 0.689, 95 % CI 0.265–1.112) and a moderate improvement in HF (SMD = 0.498, 95 % CI 0.134–0.863) immediately following the interventions. Conversely, psychological interventions did not show significant immediate post-intervention vmHRV enhancements; however, subsequent assessments revealed a moderate increase in HF (SMD = 0.477, 95 % CI 0.177–0.786) during short-term follow-ups. Moreover, substantial correlations were observed between vmHRV improvements and reductions in depression severity.
Conclusions
Our findings indicated that NPIs effectively enhance vmHRV and reduce depressive symptoms. This underscores the effectiveness of both mind-body exercises and psychological interventions. Furthermore, alterations in vmHRV may serve as viable predictors for the success of depression treatments.
期刊介绍:
The official journal of the International Behavioral Neuroscience Society publishes original and significant review articles that explore the intersection between neuroscience and the study of psychological processes and behavior. The journal also welcomes articles that primarily focus on psychological processes and behavior, as long as they have relevance to one or more areas of neuroscience.