Scalp acupuncture effects of stroke studied with magnetic resonance imaging: different actions in the two stroke model rats

Acupuncture in Medicine : Journal of the British Medical Acupuncture Society
Isao InoueMakoto Ishikawa

Abstract

Scalp acupuncture (SA) therapy on strokes has been empirically established and widely used in clinics in China. The evidence from clinical studies suggests that SA produces significant benefits for some patients with stroke. The effect of scalp acupuncture was studied using MRI for two different stroke models: spontaneously hypertensive stroke-prone (SHR-SP) rats and rats with transiently induced focal cerebral ischaemia by middle cerebral artery occlusion for 2 h (MCAO rats). Stroke onset in SHR-SP rats was characterised by a development of vasogenic oedema without any appearance of cytotoxic oedema. Scalp acupuncture reduced rapidly neurological dysfunction in SHR-SP rats and reduced the volume of the vasogenic oedema during the same period. In contrast, in MCAO rats, focal cerebral ischaemia caused an immediate development of cytotoxic oedema without any appearance of vasogenic oedema. Vasogenic oedema developed after reperfusion. Scalp acupuncture had no significant effects on the cytotoxic oedema, vasogenic oedema or neurological dysfunction of the MCAO rats within the time span examined. Scalp acupuncture had a rapid and strong effect on neurological dysfunction only in the hypertensive stroke-model by reducing the vasoge...Continue Reading

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Citations

Mar 29, 2011·The Journal of Alternative and Complementary Medicine : Research on Paradigm, Practice, and Policy·Guo-qing ZhengJiangang Shen
Oct 25, 2014·Acupuncture in Medicine : Journal of the British Medical Acupuncture Society·Hui-qin LiGuo-qing Zheng
Nov 28, 2009·Acupuncture in Medicine : Journal of the British Medical Acupuncture Society·Shihong ZhangMing Liu

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