Electroencephalogram (EEG)-recorded rhythmicelectrophysiologic activity of brain is synchronoussynthesis of postsynaptic potentials of pyramidalcells and their parietal dendrites of the cerebralcortex.Abnormal changes...Electroencephalogram (EEG)-recorded rhythmicelectrophysiologic activity of brain is synchronoussynthesis of postsynaptic potentials of pyramidalcells and their parietal dendrites of the cerebralcortex.Abnormal changes in EEG and brainelectrical activity mapping (BEAM) appear prior tothat in computed tomography (CT) and nuclearmagnetic resonance (NMR) during the acute stage ofencephalitis,providing a scientific and展开更多
Objective:To observe the effects of electroacupuncture(EA)of different frequencies on transmission function,electromyography,nitric oxide synthase(NOS)content and interstitial cells of Cajal(ICC)expression of colon in...Objective:To observe the effects of electroacupuncture(EA)of different frequencies on transmission function,electromyography,nitric oxide synthase(NOS)content and interstitial cells of Cajal(ICC)expression of colon in rat models with slow transit constipation(STC).Methods:Of the 50 healthy male Wistar rats,10 were randomly selected as a normal group and fed with ordinary diet,and the remaining 40 rats were fed with the diet added with the compound diphenoxylate at a dose of 8 mg/(kg·bw)each day for continuous 120 d.The 40 successfully established STC rat models were randomly divided into a model group,a low-frequency EA group(2 Hz),a high-frequency EA group(100 Hz),and a variable-frequency EA group(2 Hz/100 Hz),with 10 rats in each group.Rats in the normal and the model groups were not given any treatment;the low-frequency EA and the high-frequency EA groups were given EA at Tianshu(ST 25),Zusanli(ST 36)and Zhigou(TE 6)with continuous wave at the designated frequency,and the variable-frequency EA group received sparse-dense wave(2 Hz/100 Hz)EA at the same acupoints,once a day for a total of 15 d.After treatment,the colonic transmission function,electromyography,NOS content and ICC expression(calculated by the difference in the area of the C-kit positive cells)of the rats in each group were measured.Results:For the colonic transmission function,compared with the normal group,the first black stool excretion durations of rats in the other groups were significantly prolonged(all P<0.05);compared with the model group,the first black stool excretion durations of rats in the three EA groups were significantly shortened(all P<0.05),which was significantly shorter in the variable-frequency EA group than in the low-frequency EA and high-frequency EA groups(both P<0.05).For the colonic electromyography,compared with the normal group,the amplitude was significantly increased and the frequency was accelerated in rats of the other groups(all P<0.05);compared with the model group,the amplitude was significantly reduced and the frequency was slowed down in the three EA groups(both P<0.05);compared with the low-frequency EA and the high-frequency EA groups,the amplitude was reduced and the frequency was significantly reduced in rats of the variable-frequency EA group(both P<0.05).Compared with the normal group,the colonic NOS contents were significantly increased in the other groups(all P<0.05);compared with the model group,the NOS contents were significantly reduced in the three EA groups(all P<0.05);compared with the low-frequency EA and the high-frequency EA groups,the content was significantly reduced in the variable-frequency EA group(all P<0.05).For the area of rat colonic C-kit-positive cells,compared with the normal group,the areas were significantly reduced in rats of other groups(all P<0.05);compared with the model group,the areas were increased significantly in the three EA groups(all P<0.05);compared with the low-frequency EA group,the area was increased significantly in the variable-frequency EA group(P<0.05).Conclusion:EA,especially EA at the 2 Hz/100 Hz variable-frequency,has a positive treatment effect on the STC model rats.It may improve rats'colonic function by regulating the electromyography,NOS content and ICC expression of colon.展开更多
Objective To evaluate the clinical efficacy of tube moxibustion plus point-toward-point needling method for refractory facial paralysis.Methods A total of 100 patients with refractory facial paralysis who met the incl...Objective To evaluate the clinical efficacy of tube moxibustion plus point-toward-point needling method for refractory facial paralysis.Methods A total of 100 patients with refractory facial paralysis who met the inclusion criteria were randomized into an observation group and a control group,with 50 cases in each group.Both groups were treated with acupuncture by point-toward-point needling method,mainly in the affected eye,cheek and mouth areas.The observation group was given additional tube moxibustion after receiving the point-toward-point needling method,which inserted a tube moxibustion device into the external acoustic meatus 1 cm on the affected side for 20 min.Both groups were treated once a day,6 times a week,for 4 consecutive weeks.The House-Brackmann scale was scored before and after treatment,and the facial nerve electromyogram data were collected.Results The total effective rate of the observation group was 93.6%,which was higher than 64.6%of the control group,and the difference between the two groups was statistically significant(P<0.05).The proportion of new-onset facial paralysis complications(facial synkinesis,facial spasm,facial paralysis perversion,and crocodile tears)in the observation group was 6.4%,which was lower than 35.4%in the control group.The difference between the two groups was statistically significant(P<0.05).In the observation group,the numbers of cases after treatment with the ratio of action potential amplitude between the affected side and the healthy side increased by 10%–30%and over 30%were more than those in the control group.And the difference between the two groups was statistically significant(P<0.05).Conclusion Tube moxibustion plus point-toward-point needling method has a better effect in improving symptoms of refractory facial paralysis,decreasing the incidence of sequelae,and increasing clinical efficacy than the point-toward-point needling method alone.展开更多
文摘本文将 Talysurf 6型表面形貌测量系统应用于金属断口的几何量测量中.在该系统上采用针描法测量金属断口表面,得到代表断口表面轮廓的模拟信号,应用计算机,计算断口表面的高度参数.根据体视学原理。对大量数据进行处理,获得金属断口的真实表面积.这种方法比定量金相法中估计 K 值求真实表面积的方法更为科学、合理.因此,针描法可以做为断口定量分析的一种有效方法.
文摘Electroencephalogram (EEG)-recorded rhythmicelectrophysiologic activity of brain is synchronoussynthesis of postsynaptic potentials of pyramidalcells and their parietal dendrites of the cerebralcortex.Abnormal changes in EEG and brainelectrical activity mapping (BEAM) appear prior tothat in computed tomography (CT) and nuclearmagnetic resonance (NMR) during the acute stage ofencephalitis,providing a scientific and
文摘Objective:To observe the effects of electroacupuncture(EA)of different frequencies on transmission function,electromyography,nitric oxide synthase(NOS)content and interstitial cells of Cajal(ICC)expression of colon in rat models with slow transit constipation(STC).Methods:Of the 50 healthy male Wistar rats,10 were randomly selected as a normal group and fed with ordinary diet,and the remaining 40 rats were fed with the diet added with the compound diphenoxylate at a dose of 8 mg/(kg·bw)each day for continuous 120 d.The 40 successfully established STC rat models were randomly divided into a model group,a low-frequency EA group(2 Hz),a high-frequency EA group(100 Hz),and a variable-frequency EA group(2 Hz/100 Hz),with 10 rats in each group.Rats in the normal and the model groups were not given any treatment;the low-frequency EA and the high-frequency EA groups were given EA at Tianshu(ST 25),Zusanli(ST 36)and Zhigou(TE 6)with continuous wave at the designated frequency,and the variable-frequency EA group received sparse-dense wave(2 Hz/100 Hz)EA at the same acupoints,once a day for a total of 15 d.After treatment,the colonic transmission function,electromyography,NOS content and ICC expression(calculated by the difference in the area of the C-kit positive cells)of the rats in each group were measured.Results:For the colonic transmission function,compared with the normal group,the first black stool excretion durations of rats in the other groups were significantly prolonged(all P<0.05);compared with the model group,the first black stool excretion durations of rats in the three EA groups were significantly shortened(all P<0.05),which was significantly shorter in the variable-frequency EA group than in the low-frequency EA and high-frequency EA groups(both P<0.05).For the colonic electromyography,compared with the normal group,the amplitude was significantly increased and the frequency was accelerated in rats of the other groups(all P<0.05);compared with the model group,the amplitude was significantly reduced and the frequency was slowed down in the three EA groups(both P<0.05);compared with the low-frequency EA and the high-frequency EA groups,the amplitude was reduced and the frequency was significantly reduced in rats of the variable-frequency EA group(both P<0.05).Compared with the normal group,the colonic NOS contents were significantly increased in the other groups(all P<0.05);compared with the model group,the NOS contents were significantly reduced in the three EA groups(all P<0.05);compared with the low-frequency EA and the high-frequency EA groups,the content was significantly reduced in the variable-frequency EA group(all P<0.05).For the area of rat colonic C-kit-positive cells,compared with the normal group,the areas were significantly reduced in rats of other groups(all P<0.05);compared with the model group,the areas were increased significantly in the three EA groups(all P<0.05);compared with the low-frequency EA group,the area was increased significantly in the variable-frequency EA group(P<0.05).Conclusion:EA,especially EA at the 2 Hz/100 Hz variable-frequency,has a positive treatment effect on the STC model rats.It may improve rats'colonic function by regulating the electromyography,NOS content and ICC expression of colon.
文摘Objective To evaluate the clinical efficacy of tube moxibustion plus point-toward-point needling method for refractory facial paralysis.Methods A total of 100 patients with refractory facial paralysis who met the inclusion criteria were randomized into an observation group and a control group,with 50 cases in each group.Both groups were treated with acupuncture by point-toward-point needling method,mainly in the affected eye,cheek and mouth areas.The observation group was given additional tube moxibustion after receiving the point-toward-point needling method,which inserted a tube moxibustion device into the external acoustic meatus 1 cm on the affected side for 20 min.Both groups were treated once a day,6 times a week,for 4 consecutive weeks.The House-Brackmann scale was scored before and after treatment,and the facial nerve electromyogram data were collected.Results The total effective rate of the observation group was 93.6%,which was higher than 64.6%of the control group,and the difference between the two groups was statistically significant(P<0.05).The proportion of new-onset facial paralysis complications(facial synkinesis,facial spasm,facial paralysis perversion,and crocodile tears)in the observation group was 6.4%,which was lower than 35.4%in the control group.The difference between the two groups was statistically significant(P<0.05).In the observation group,the numbers of cases after treatment with the ratio of action potential amplitude between the affected side and the healthy side increased by 10%–30%and over 30%were more than those in the control group.And the difference between the two groups was statistically significant(P<0.05).Conclusion Tube moxibustion plus point-toward-point needling method has a better effect in improving symptoms of refractory facial paralysis,decreasing the incidence of sequelae,and increasing clinical efficacy than the point-toward-point needling method alone.