The efficacy of injecting sclerosing agent next to transverse process of cervical vertebra to induce vertebral artery type of cervical syndrome(CSA)was observed.Twenty rabbits were randomly divided into two groups:the...The efficacy of injecting sclerosing agent next to transverse process of cervical vertebra to induce vertebral artery type of cervical syndrome(CSA)was observed.Twenty rabbits were randomly divided into two groups:the model group and the control group.The rabbits in the model group were injected with sclerosing agent next to transverse process of cervical vertebray,on the contrary,the rabbits in the control group were injected with nothing.Transcranial Doppler(TCD)was used to detect the average speed of blo...展开更多
A rat model of extra-vertebral foramen cervical nerve entrapment was established according to the following parameters： stimulation intensity 20 V; frequency 50 Hz; pulse width 200 μs; duration 333 ms/s for a total ...A rat model of extra-vertebral foramen cervical nerve entrapment was established according to the following parameters： stimulation intensity 20 V; frequency 50 Hz; pulse width 200 μs; duration 333 ms/s for a total of 8 hours. After the electrical stimulation, rats exhibited mild muscle fiber atrophy, mild inflammatory exudates, connective tissue local fibrosis and chondrocyte metaplasia. Mean muscle fiber cross-sectional area was reduced. The nerve myelin sheath continuity was partially demyelinated. The microstructure of nerve cells was disrupted and these symptoms worsened with prolongation of the stimulation. The shoulder, neck and upper extremity muscles on the tested side demonstrated positive sharp waves and fibrillations. The severity increased with continuation of the stimulation. High amplitude and polyphasic motor unit potentials gradually appeared. Similar findings were seen in the contralateral side, but at a less severe level.展开更多
基金supported by a grant from Key Program of Science and Technology of Hubei Province(No.2005AA302B07)
文摘The efficacy of injecting sclerosing agent next to transverse process of cervical vertebra to induce vertebral artery type of cervical syndrome(CSA)was observed.Twenty rabbits were randomly divided into two groups:the model group and the control group.The rabbits in the model group were injected with sclerosing agent next to transverse process of cervical vertebray,on the contrary,the rabbits in the control group were injected with nothing.Transcranial Doppler(TCD)was used to detect the average speed of blo...
基金the National Natural Science Foundation of China,No. 81171707the Major State Basic Research Program of China,No.2012CB933600+2 种基金Shanghai Pujiang Program,No.11PJD016China Postdoctoral Science Foundation,No. 20090460629Fund for Key Disciplines of Shanghai Municipal Education Commission,No.J50206
文摘A rat model of extra-vertebral foramen cervical nerve entrapment was established according to the following parameters： stimulation intensity 20 V; frequency 50 Hz; pulse width 200 μs; duration 333 ms/s for a total of 8 hours. After the electrical stimulation, rats exhibited mild muscle fiber atrophy, mild inflammatory exudates, connective tissue local fibrosis and chondrocyte metaplasia. Mean muscle fiber cross-sectional area was reduced. The nerve myelin sheath continuity was partially demyelinated. The microstructure of nerve cells was disrupted and these symptoms worsened with prolongation of the stimulation. The shoulder, neck and upper extremity muscles on the tested side demonstrated positive sharp waves and fibrillations. The severity increased with continuation of the stimulation. High amplitude and polyphasic motor unit potentials gradually appeared. Similar findings were seen in the contralateral side, but at a less severe level.
