ArticleFrontiers in neurology2026
Cortical hemodynamic responses to acupuncture at Lianquan (CV23) in patients with post-stroke dysphagia: a functional near-infrared spectroscopy study.
Article in Frontiers in neurology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Introduction: Acupuncture at Lianquan (CV23) is an effective intervention for post-stroke dysphagia (PSD); however, the central neural regulatory mechanisms remain unclear. This study used functional near-infrared spectroscopy (fNIRS) with Methods: In this cross-sectional study, 21 PSD patients (PSD group) and 29 healthy controls (HC group) received acupuncture at CV23. fNIRS was used to monitor hemodynamic responses in the bilateral primary motor cortex (M1), premotor cortex/supplementary motor area (PMC/SMA), dorsolateral prefrontal cortex (DLPFC), supramarginal gyrus (SMG), primary somatosensory cortex (S1), and somatosensory association cortex (SAC) throughout a pre-stimulation baseline and three needle manipulation blocks. Results: In the PSD group, oxygenated hemoglobin (HbO) concentrations during the needle manipulation period were significantly higher than those at the pre-stimulation baseline in the contralesional M1 ( Conclusion: Acupuncture at CV23 in PSD may be associated with altered activation in the contralesional sensorimotor network (M1, S1, SAC, and SMG), and
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