Abstract:
BACKGROUND AND AIMS:The inhibitory pathways that play a role in spinal modulation include local interneurons and descending control. Clinical data regarding the role of these pathways in acute pain is lacking. Accordingly, the aim of this study was to evaluate cerebrospinal fluid (CSF) levels of noradrenaline, serotonin, gamma-aminobutyric acid (GABA), and glycine in parturients with labor pain compared to those without labor pain. METHODS:One hundred term uncomplicated pregnant women receiving spinal anesthesia for cesarean section were enrolled in this prospective cross-sectional study. CSF noradrenaline, serotonin, GABA, and glycine levels were analyzed by enzyme-linked immunosorbent assay. Labor pain score was assessed by numerical rating scale. RESULTS:Median CSF serotonin concentration in parturients with labor pain was significantly lower than in those without pain (p < 0.001). Median CSF glycine level in the labor pain group was significantly higher than in the control group (p < 0.001). There were no significant differences in median CSF level of noradrenaline or GABA between parturients with and without labor pain. Subsequent analysis showed labor pain scores to be negatively correlated with CSF serotonin (r = -0.217, p = 0.04) but positively correlated with CSF glycine (r = 0.415, p < 0.001). CONCLUSION:CSF serotonin and glycine were significantly correlated with labor pain scores. These findings suggest that the serotonergic and glycinergic systems may play a role in spinal modulation of visceral pain.
journal_name
Pain Res Managjournal_title
Pain research & managementauthors
Chalermkitpanit P,Thonnagith A,Engsusophon P,Charuluxananan S,Honsawek Sdoi
10.1155/2017/2752658subject
Has Abstractpub_date
2017-01-01 00:00:00pages
2752658eissn
1203-6765issn
1918-1523journal_volume
2017pub_type
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pub_type: 杂志文章,随机对照试验
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pub_type: 杂志文章,meta分析
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