OBJECTIVE:To compare the effects of electrical stimulation of different acupoint combinations among postoperative bedridden elderly patients on hemorheology and deep venous blood flow velocity and investigate the role...OBJECTIVE:To compare the effects of electrical stimulation of different acupoint combinations among postoperative bedridden elderly patients on hemorheology and deep venous blood flow velocity and investigate the role of electrical stimulation against deep vein thrombosis(DVT).METHODS:From November 2010 to October 2011,a total of 160 elderly bedridden patients after major surgery were divided into the conventional care group,invigorating and promoting Qi group,blood-activating and damp-eliminating group,and acupoint-combination stimulation group.Whole blood viscosity,plasma viscosity,D-dimer levels,lower limb skin temperature,lower limb circumference,and flow velocities of the external iliac vein,femoral vein,popliteal vein,and deep calf veins in all patients were documented and compared among the four groups.RESULTS:Whole blood viscosity,plasma viscosity,D-dimer levels,and lower limb circumference were significantly reduced in the blood-activating and damp-eliminating group compared with the conventional care group(P<0.05) and were almost equal to those in the acupoint-combination stimulation group(P>0.05).Lower limb venous flow velocities were accelerated in the invigorating and promoting Qi group compared with the other groups,excluding the acupoint-combination stimulation group(P<0.05).CONCLUSION:Hemorheological indices in postoperative bedridden elderly patients were improved after combined electrical stimulation at Yinlingquan(SP 9) and Sanyinjiao(SP 6).Combined electrical stimulation at Zusanli(ST 36) and Taichong(LR 3),on the other hand,accelerated lower limb venous flow.展开更多
A subcutaneous transport pathway in humans has been previously visualised by injection of a paramagnetic tracer into the specific region of skin.In the current study,we further investigated the behaviours of imaging t...A subcutaneous transport pathway in humans has been previously visualised by injection of a paramagnetic tracer into the specific region of skin.In the current study,we further investigated the behaviours of imaging tracers in the transport pathways using imaging techniques.Three types of imaging tracers,including Gd-DTPA,iodised oil,and fluorescein sodium,were hypodermically injected into different acupuncture points of healthy volunteers to visualise the transport pathways by magnetic resonance imaging(MRI),X-ray,CT,and a digital fluorescein camera.Several longitudinal transport pathways in the arms and feet,which represent venous vessels and subcutaneous transport pathways(STPs) without well-defined boundaries,were visualised by MRI.Among the visualised veins,the partial walls of a few veins were enhanced by Gd-DTPA.The fluorescent images further indicated that STPs likely represent boundless pathways.The findings in this study suggested that specific anatomical structures within the subcutaneous tissues or the partial walls of certain veins werenot vascular conduits but rather represented unique transport pathways in humans that warrant extensive future studies.展开更多
基金Supported by the Construct Program of the Key Discipline of State Administration of Traditional Chinese Medicine of the People's Republic of China and by the Science and Technology Development Fund of the Shanghai Municipal Public Health Bureau (No. 2011Y200,2008Y127,and 2005L019A)
文摘OBJECTIVE:To compare the effects of electrical stimulation of different acupoint combinations among postoperative bedridden elderly patients on hemorheology and deep venous blood flow velocity and investigate the role of electrical stimulation against deep vein thrombosis(DVT).METHODS:From November 2010 to October 2011,a total of 160 elderly bedridden patients after major surgery were divided into the conventional care group,invigorating and promoting Qi group,blood-activating and damp-eliminating group,and acupoint-combination stimulation group.Whole blood viscosity,plasma viscosity,D-dimer levels,lower limb skin temperature,lower limb circumference,and flow velocities of the external iliac vein,femoral vein,popliteal vein,and deep calf veins in all patients were documented and compared among the four groups.RESULTS:Whole blood viscosity,plasma viscosity,D-dimer levels,and lower limb circumference were significantly reduced in the blood-activating and damp-eliminating group compared with the conventional care group(P<0.05) and were almost equal to those in the acupoint-combination stimulation group(P>0.05).Lower limb venous flow velocities were accelerated in the invigorating and promoting Qi group compared with the other groups,excluding the acupoint-combination stimulation group(P<0.05).CONCLUSION:Hemorheological indices in postoperative bedridden elderly patients were improved after combined electrical stimulation at Yinlingquan(SP 9) and Sanyinjiao(SP 6).Combined electrical stimulation at Zusanli(ST 36) and Taichong(LR 3),on the other hand,accelerated lower limb venous flow.
基金supported by the National Natural Science Foundation of China(81141118)the National Basic Research Programme of China(2012CB518506,2010CB530507)
文摘A subcutaneous transport pathway in humans has been previously visualised by injection of a paramagnetic tracer into the specific region of skin.In the current study,we further investigated the behaviours of imaging tracers in the transport pathways using imaging techniques.Three types of imaging tracers,including Gd-DTPA,iodised oil,and fluorescein sodium,were hypodermically injected into different acupuncture points of healthy volunteers to visualise the transport pathways by magnetic resonance imaging(MRI),X-ray,CT,and a digital fluorescein camera.Several longitudinal transport pathways in the arms and feet,which represent venous vessels and subcutaneous transport pathways(STPs) without well-defined boundaries,were visualised by MRI.Among the visualised veins,the partial walls of a few veins were enhanced by Gd-DTPA.The fluorescent images further indicated that STPs likely represent boundless pathways.The findings in this study suggested that specific anatomical structures within the subcutaneous tissues or the partial walls of certain veins werenot vascular conduits but rather represented unique transport pathways in humans that warrant extensive future studies.
