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Objective Toinvestigatetheeffectofpowerelectricalstimulation(PES)incombination withtask-specifictrainingonlowerextremitymotorfunctioninstrokepatientswithfootdrop.Methods Fifty patients with poststroke foot drop were enrolled retrospectively. They were divided into either an experimental group or a control group (n=25 in each group). The control group received routine rehabilitation treatment. On this basis,the experimental group was given PES in combination with task-oriented training. Both groups of patients were trained 2 times a day,once for 40 minutes,5 days a week for 6 weeks. The ankle active range of motion,plantar flexor muscle tension,and tibialis anterior muscle strength were determined before and after treatment. The balance and lower extremity motor function of the patients were assessed by using Berg balance scale score,Fugl-Meyer lower extremity score,modified Barthel index,and Holden walk grading. At thesametime,thewalkingspeedandsteplengthbeforeandaftertreatmentwerecompared.Results Six weeks after treatment,the ankle activity,plantar flexors tension,and tibialis anterior muscle strength scores in patients of the experimental group were improved compared with before treatment,and each indicator was significant better than the control group (t=6. 261,-6. 163,and 2. 968,respectively;all P<0. 05). Berg balance scale,walking speed and step length scores were also improved as compared with before treatment, and each indicator was better than the control group (t=10. 733,9. 074,and 9. 013,respectively;all P<0.01). The lower limb motion scores,modified Barthel indexes,and Holden walk grading scores were improved compared with before treatment,and each indicator was significantly better than the control group (t=3.261,7.573,and4.010,respectively;allP<0.05).Conclusion Usingpowerelectricalstimulation in combination with task-oriented training may effectively improve the lower extremity motor function in stroke patients with foot drop.
RESUMO
It is well known that opioids cause analgesia and feeding elicitation by action in the either periaqueductal gray (PAG) or ventral tegmental area (VTA).<br>We have investigated that determination of opioids receptor subtype on the lateral hypothalamic area, as feeding center, electrical stimulation induced feeding (LHA-ESIF) followed microinjection of μ-(morphine), δ-(DADLE) and κ-(U50, 488H) receptor selective agonists and physiological saline into the VTA and PAG of chronic Wistar male rats, weighing between 350 and 480g. with stimulation fixed at a modulate level, 50Hz. time to eat three-45mg pellets within 45sec. were studied.<br>Dose of 10 (but not 1) nmol of three agonists microinjected into the VTA significantly (p<0.01) reduced time of LHA-ESIF, these agonists were almost equally effective at this dose. Naloxone(NLX) reversed the effects of each agonists. NLX was slightly more effective agonist morphine than against DADLE or U50, 488H. This results suggest that all three receptor subtype may be contributed to the VTA fascilitation of the LHA-ESIF, and NLX is a selective antagonist of μ-receptor.<br>In the microinjection of PAG, morphine (20, but not 2nmol) showed increasing LHA-ESIF, while both δ-and κ-agonists were each without effects. These results indicated that the PAG inhibition of LHA-ESIF is mediated solely by μ-receptor.<br>It is, thus suggests that opioids receptor subtypes on the PAG, as site of the acupuncture analgesia, might be contributed, neither δ-nor κ-receptors, through only via μ-receptor.