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- Title
Gamma-aminobutyric acid and glutamate/glutamine levels in the dentate nucleus and periaqueductal gray in new daily persistent headache: a magnetic resonance spectroscopy study.
- Authors
Chen, Tong; Bai, Xiaoyan; Wang, Wei; Zhang, Xue; Pei, Xun; Zhang, Xueyan; Yuan, Ziyu; Zhao, Yuanbin; Yang, Qi; Wang, Yonggang; Sui, Binbin
- Abstract
Background: Magnetic resonance spectroscopy (MRS) studies have indicated that the imbalance between gamma-aminobutyric acid (GABA) and glutamate/glutamine (Glx) levels was the potential cause of migraine development. However, the changes in the GABA and Glx levels in patients with New daily persistent headache (NDPH) remain unclear. This study aimed to investigate the changes in GABA and Glx levels in the periaqueductal gray (PAG) and dentate nucleus (DN) in patients with NDPH using the MEGA-PRESS sequence. Methods: Twenty-one NDPH patients and 22 age- and sex-matched healthy controls (HCs) were included and underwent a 3.0T MRI examination, using the MEGA-PRESS sequence to analyze GABA and Glx levels of PAG and DN. The correlations between these neurotransmitter levels and clinical characteristics were also analyzed. Results: There were no significant differences in the GABA+/Water, GABA+/Cr, Glx/Water, and Glx/Cr levels in both PAG and DN between the two groups (all p > 0.05). Moderate-severe NDPH patients had lower levels of Glx/Water (p = 0.034) and Glx/Cr (p = 0.012) in DN than minimal-mild NDPH patients. In patients with NDPH, higher Glx/Water levels in the PAG (r=-0.471, p = 0.031, n = 21) and DN (r=-0.501, p = 0.021, n = 21) and higher Glx/Cr levels in DN (r=-0.483, p = 0.026, n = 21) were found to be correlated with lower Visual Analogue Scale scores. Additionally, a positive correlation was observed between the GABA+/Cr levels in the DN and the Generalized Anxiety Disorder-7 scores (r = 0.519, p = 0.039, n = 16). Conclusions: The results of this study indicated that the GABA and Glx levels in the PAG and DN may not be the primary contributor to the development of NDPH. The correlations between certain clinical scales and the neurotransmitter levels may be derived from the NDPH related symptoms.
- Subjects
STATISTICAL correlation; PEARSON correlation (Statistics); GLUTAMINE; NUCLEAR magnetic resonance spectroscopy; T-test (Statistics); DATA analysis; RESEARCH funding; HEADACHE; VISUAL analog scale; QUESTIONNAIRES; SAMPLE size (Statistics); CHI-squared test; MANN Whitney U Test; DESCRIPTIVE statistics; AMINOBUTYRIC acid; GLUTAMIC acid; LONGITUDINAL method; BRAIN stem; RESEARCH; STATISTICS; CEREBELLUM; DIGITAL image processing
- Publication
Journal of Headache & Pain, 2024, Vol 25, Issue 1, p1
- ISSN
1129-2369
- Publication type
Article
- DOI
10.1186/s10194-024-01845-9