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Condition: Reflex Sympathetic Dystrophy
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Total 611 results found since Jan 2013.

Flexor carpi radialis H-reflex in different body positions in patients with post-stroke
ConclusionSpinal stretch reflex hyperexcitability in strongly affected UEs could commonly occur in different phases of recovery after stroke. Down-modulation of SSR excitability could occur in less-affected UEs in the standing position compared with the supine position, while modulation of SSR excitability might be altered in strongly affected UEs and vary in different phases of recovery. There could be some correlation between postural control and UE SSR hyperexcitability. The H-reflex may help to offer a new perspective on rehabilitation evaluation and interventions to promote UE motor control after stroke.
Source: Frontiers in Neurology - November 8, 2022 Category: Neurology Source Type: research

Effect of Capsaicin Atomization on Cough and Swallowing Function in Patients With Hemorrhagic Stroke: A Randomized Controlled Trial
CONCLUSIONS: Capsaicin nebulization can help enhance the number of coughs in response to capsaicin, reduce postswallow residue, and increase the level of SP in patients with hemorrhagic stroke and has a positive effect on pulmonary inflammation. This study provides intervention points for cough and swallowing rehabilitation after a hemorrhagic stroke.SUPPLEMENTAL MATERIAL: https://doi.org/10.23641/asha.21956903.PMID:36716393 | DOI:10.1044/2022_JSLHR-22-00296
Source: Journal of speech, language, and hearing research : JSLHR - January 30, 2023 Category: Speech-Language Pathology Authors: Wu Chao Mao You-Qin Chen Hong Zhang Hai-Ying None Yang-Li Jiang Su-Xue Xu Lan Wang Zhong Source Type: research

Influence of periodic leg movements in sleep on stroke outcome
Abstract Destructive lesions, as cerebrovascular diseases, have been shown to lead to the development of periodic leg movements in sleep (PLMS), secondary to the loss of cortical or subcortical inhibition exerting on the brainstem generators. We designed a prospective study to investigate the association of PLMS with a clinical outcome in 24 patients with acute ischemic cerebrovascular diseases. The medical history of patients and risk factors of ischemic stroke were questioned. A whole‐night polysomnographic (PSG) recording was performed; detailed PSG data including PLM index and PLM‐arousal index were analyzed. Strok...
Source: Sleep and Biological Rhythms - June 1, 2013 Category: Neurology Authors: Gulcin Benbir, Derya Karadeniz Tags: Original Article Source Type: research

Finger-thumb coupling contributes to exaggerated thumb flexion in stroke survivors
The purpose of this study was to investigate altered finger-thumb coupling in individuals with chronic hemiparesis poststroke. First, an external device stretched finger flexor muscles by passively rotating the metacarpophalangeal (MCP) joints. Subjects then performed isometric finger or thumb force generation. Forces/torques and electromyographic signals were recorded for both the thumb and finger muscles. Stroke survivors with moderate (n = 9) and severe (n = 9) chronic hand impairment participated, along with neurologically intact individuals (n = 9). Stroke survivors exhibited strong interactions between finger and thu...
Source: Journal of Neurophysiology - June 15, 2014 Category: Neurology Authors: Kamper, D. G., Fischer, H. C., Conrad, M. O., Towles, J. D., Rymer, W. Z., Triandafilou, K. M. Tags: Articles Source Type: research

Estimating the time course of population excitatory postsynaptic potentials in motoneurons of spastic stroke survivors
Hyperexcitable motoneurons are likely to contribute to muscle hypertonia after a stroke injury; however, the origins of this hyperexcitability are not clear. One possibility is that the effective duration of the Ia excitatory postsynaptic potential (EPSP) is prolonged, increasing the potential for temporal summation of EPSPs, making action potential initiation easier. Accordingly, the purpose of this study was to quantify the time course of EPSPs in motoneurons of stroke survivors. The experimental protocol, which was based on parameters derived from simulation, involved sequential subthreshold electrical stimuli delivered...
Source: Journal of Neurophysiology - March 15, 2015 Category: Neurology Authors: Hu, X., Suresh, N. L., Rymer, W. Z. Tags: Rapid Reports Source Type: research

Proprioceptive illusion induced by tendon vibration on the upper limb in stroke patients
Conclusion TVR and usual movement illusion under tendon vibration are affected on the hemiplegic side after stroke. Any relationship or not on the observed deficiencies require confirmation with a larger sample.
Source: Annals of Physical and Rehabilitation Medicine - October 2, 2015 Category: Rehabilitation Source Type: research

Effects of repetitive transcranial magnetic stimulation on lower extremity spasticity and motor function in stroke patients.
CONCLUSION: Low-frequency rTMS over the LE motor area can improve clinical measures of muscle spasticity and motor function. More studies are needed to clarify the changes underlying this improvement in spasticity. Implications for Rehabilitation Spasticity is a common disorder and one of the causes of long-term disability after stroke. Physical therapy modalities, oral medications, focal intervention and surgical procedures have been used for spasticity reduction. Beneficial effect of the repetitive transcranial magnetic stimulation (rTMS) for post-stroke upper extremity spasticity reduction and motor function improvement...
Source: Disability and Rehabilitation - February 15, 2016 Category: Rehabilitation Authors: Rastgoo M, Naghdi S, Nakhostin Ansari N, Olyaei G, Jalaei S, Forogh B, Najari H Tags: Disabil Rehabil Source Type: research

Potential specific immunological indicators for stroke associated infection are partly modulated by sympathetic pathway activation.
CONCLUSION: IL-6, IL-10 and HLA-DR are good candidate biomarkers for SAI. The activation of the sympathetic pathway could partly account for the specific immunological alterations found in SAI patients including HLA-DR decrease and IL-10 increase, which both could be reversed by propranolol. However, the mechanism underlying IL-6 increase still needs further exploration. PMID: 27409177 [PubMed - as supplied by publisher]
Source: Oncotarget - July 15, 2016 Category: Cancer & Oncology Tags: Oncotarget Source Type: research

Slacklining and stroke: A rehabilitation case study considering balance and lower limb weakness.
Authors: Gabel CP, Rando N, Melloh M Abstract To ascertain the effectiveness of slacklining as a supplementary therapy for elderly stroke patients who are functionally non-progressing. This case study involved an 18-mo prospective observation of the management of an 87-year-old female stroke-patient of the left hemisphere with reduced balance, reduced lower limb muscular activation, hypertonia, and concurrent postural deficits. This entailed the initial acute care phase through to discharge to home and 18-mo final status in her original independent living setting. The introduction of slacklining as an adjunct thera...
Source: World Journal of Orthopaedics - September 15, 2016 Category: Orthopaedics Tags: World J Orthop Source Type: research

Heart Rate Variability modifications induced by high doses of IncobotulinumtoxinA and OnabotulinumtoxinA in hemiplegic chronic stroke patients: A single blind randomized controlled, crossover pilot study.
CONCLUSIONS: Our data show that high doses (>600 U) of incobotulinumtoxinA and onabotulinumtoxinA do not influence the cardiovascular activity of the autonomic nervous system in chronic hemiplegic spastic stroke survivors. PMID: 28877510 [PubMed - as supplied by publisher]
Source: Toxicon - September 3, 2017 Category: Toxicology Authors: Baricich A, Grana E, Carda S, Santamato A, Molinari C, Cisari C, Invernizzi M Tags: Toxicon Source Type: research

Unilateral wrist extension training after stroke improves strength and neural plasticity in both arms.
This study shows that high-intensity training with the neurologically less affected "non-paretic" arm can improve strength bilaterally and alter both spinal and cortical plasticity. The extent to which this plasticity can be enhanced or functionally exploited remains to be examined. PMID: 29730752 [PubMed - as supplied by publisher]
Source: Experimental Brain Research - May 5, 2018 Category: Neuroscience Authors: Sun Y, Ledwell NMH, Boyd LA, Zehr EP Tags: Exp Brain Res Source Type: research

Change in Reciprocal Inhibition of the Forearm with Motor Imagery among Patients with Chronic Stroke.
In conclusion, mental practice with MI may induce plastic change in spinal reciprocal inhibitory circuits in patients with stroke. PMID: 29853844 [PubMed - in process]
Source: Neural Plasticity - June 6, 2018 Category: Neurology Authors: Kawakami M, Okuyama K, Takahashi Y, Hiramoto M, Nishimura A, Ushiba J, Fujiwara T, Liu M Tags: Neural Plast Source Type: research

Possible Contributions of Ipsilateral Pathways From the Contralesional Motor Cortex to the Voluntary Contraction of the Spastic Elbow Flexors in Stroke Survivors: A TMS Study
Conclusions These results provide novel evidence that ipsilateral projections are not likely to contribute to strength but are correlated to spasticity of spastic-paretic elbow flexors after stroke.
Source: American Journal of Physical Medicine and Rehabilitation - June 20, 2019 Category: Rehabilitation Tags: Original Research Articles Source Type: research

Acupuncture alleviates spinal hyperreflexia and motor dysfunction in post-ischemic stroke rats with spastic hypertonia via KCC2-mediated spinal GABA < sub > A < /sub > activation
Exp Neurol. 2022 Mar 1:114027. doi: 10.1016/j.expneurol.2022.114027. Online ahead of print.ABSTRACTThe majority of patients simultaneously develop motor dysfunction and spastic hypertonia after ischemic strokes, which can be associated with an increasing trend in motor impairments, seriously impeding the rehabilitation process. Evidence suggests that some deficits in the KCC2 expression in the spinal cord along with maladaptive endogenous plasticity via GABAA receptors are often involved in the pathology of spastic hypertonia after a stroke. In this respect, acupuncture has been commonly used in clinical settings for post-...
Source: Experimental Neurology - March 4, 2022 Category: Neurology Authors: Jie-Dan Mu Liang-Xiao Ma Zhou Zhang Wen-Yan Yu Tian-Yi Sun Xu Qian Yuan Tian Jun-Xiang Wang Source Type: research