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Condition: Reflex Sympathetic Dystrophy
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Total 1447 results found since Jan 2013.
Immediate Neurophysiological effect of electrical stimulation via dry needling on H-reflex in post stroke spasticity
CONCLUSIONS: Single session of DN, ES, and the DN+IMES can significantly modulate post-stroke spasticity by possible bottom-up regulation mechanisms.PMID:36847265 | DOI:10.1080/09593985.2023.2182655
Source: Physiotherapy Theory and Practice - February 27, 2023 Category: Physiotherapy Authors: Ranim Al Amin Ahmad S Ali Ibtissam M Saab Rami L Abbas Source Type: research
The role of the autonomic nervous system in cerebral blood flow regulation in stroke: A review
Auton Neurosci. 2023 Feb 27;246:103082. doi: 10.1016/j.autneu.2023.103082. Online ahead of print.ABSTRACTStroke is a pathophysiological condition which results in alterations in cerebral blood flow (CBF). The mechanism by which the brain maintains adequate CBF in presence of fluctuating cerebral perfusion pressure (CPP) is known as cerebral autoregulation (CA). Disturbances in CA may be influenced by a number of physiological pathways including the autonomic nervous system (ANS). The cerebrovascular system is innervated by adrenergic and cholinergic nerve fibers. The role of the ANS in regulating CBF is widely disputed owi...
Source: Autonomic Neuroscience - March 4, 2023 Category: Neuroscience Authors: Alex Mankoo Sankanika Roy Aaron Davies Ronney B Panerai Thompson G Robinson Patrice Brassard Lucy C Beishon Jatinder S Minhas Source Type: research
Cardioembolic stroke related to limb-girdle muscular dystrophy 1B
Conclusion:
We suggested that LMNA gene related myopathies should be considered in young stroke patients with long-standing myopathic features.
Source: BMC Research Notes - January 29, 2013 Category: Research Authors: Chih-Hao ChenSung-Chun TangYi-Ning SuChih-Chao YangJiann-Shing Jeng Source Type: research
Prior beta Blocker Use Is Associated with Favorable Outcome in Patients with Acute Insular Stroke (P01.217)
CONCLUSIONS: The findings of this study suggest that BB therapy might be beneficial in selected patients with AIS whose infarcts encompass the insula. Our findings highlight the importance of the insula as the neuroanatomic substrate for sympathetic nervous system activation following AIS.Supported by: Dr. Ay received financial support for research activities from NIH.Disclosure: Dr. Park has nothing to disclose. Dr. Avery has nothing to disclose. Dr. Ay has nothing to disclose.
Source: Neurology - February 14, 2013 Category: Neurology Authors: Park, K.-Y., Avery, R., Ay, H. Tags: P01 Cerebrovascular Disease I Source Type: research
Malignant Paraganglioma Presenting With Hemorrhagic Stroke in a Child
We report here the case of a 12-year-old boy with malignant sympathetic paraganglioma presenting with hemorrhagic stroke. Severe hypertension was found and the patient evolved into a coma. Brain computed tomography scan showed right thalamus hemorrhage with intraventricular extension. After clinical improvement, further investigation revealed elevated catecholamine and metanephrine levels, and 2 abdominal tumors were identified by computed tomography. Resection of both lesions was performed, and histologic findings were consistent with paraganglioma. Multiple metastatic involvement of bones and soft tissues appeared severa...
Source: PEDIATRICS - December 2, 2013 Category: Pediatrics Authors: Luiz, H. V., da Silva, T. N., Pereira, B. D., Santos, J. G., Goncalves, D., Manita, I., Portugal, J. Tags: Case Report Source Type: research
Loading and knee flexion after stroke: Less does not equal more
Abstract: It is believed that force feedback can modulate lower extremity extensor activity during gait. The purpose of this research was to determine the role of limb loading on knee extensor excitability during the late stance/early swing phase of gait in persons post-stroke. Ten subjects with chronic hemiparesis post-stroke participated in (1) seated isolated quadriceps reflex testing with ankle loads of 0–0.4Nm/kg and (2) gait analysis on a treadmill with 0%, 20% or 40% body weight support. Muscle reflex responses were recorded from vastus lateralis (VL), rectus femoris (RF), and vastus medialis (VM) during seated te...
Source: Journal of Electromyography and Kinesiology - November 8, 2013 Category: Neurology Authors: Mary Murray, Amy Hardee, Richard L. Goldberg, Michael D. Lewek Tags: Clinical Source Type: research
Deficits in startle-evoked arm movements increase with impairment following stroke.
CONCLUSIONS: We conclude that the task-inappropriate flexor activity likely results from cortical or corticospinal damage leading to an unsuppressed or hypermetric classic startle reflex that interrupts startReact elbow extension.
SIGNIFICANCE: Given startReact's functional role in compensation during environmental disturbances, our results may have important implications for our understanding deficits in stroke survivor's response to unexpected environmental disturbances.
PMID: 24411525 [PubMed - as supplied by publisher]
Source: Clinical Neurophysiology - December 30, 2013 Category: Neurology Authors: Honeycutt CF, Perreault EJ Tags: Clin Neurophysiol Source Type: research
Quantitative Video-oculography to Differentiate Stroke from Vestibular Neuritis in Acute Vertigo-Vestibulo-ocular Reflex Gain Distributions and Optimal Test Thresholds for Diagnosis (P6.289)
CONCLUSIONS: Peripheral and central causes of AVS can be differentiated by quantitative, portable video-oculography. Some AICA strokes mimic vestibular neuritis closely. Disclosure: Dr. Saber Tehrani has nothing to disclose. Dr. Mantokoudis has nothing to disclose. Dr. Wozniak has nothing to disclose. Dr. Eibenberger has nothing to disclose. Dr. Kattah has received personal compensation for activities with Pfizer, Inc. as a consultant. Dr. Guede has nothing to disclose. Dr. Zee has received personal compensation for activities with Sun Pharma and Abbott. Dr. Zee has received royalty payments from Oxford Universi...
Source: Neurology - April 9, 2014 Category: Neurology Authors: Saber Tehrani, A., Mantokoudis, G., Wozniak, A., Eibenberger, K., Kattah, J., Guede, C., Zee, D., Newman-Toker, D. Tags: Neuro-ophthalmology/Neuro-otology II Source Type: research
Contributions of motoneuron hyperexcitability to clinical spasticity in hemispheric stroke survivors.
CONCLUSIONS: This method allowed us to quantify latencies more accurately, potentially enabling a more rigorous analysis of contributing mechanisms.
SIGNIFICANCE: The findings provide evidence supporting a contribution of hyperexcitable motoneurons to muscle spasticity.
PMID: 25438885 [PubMed - as supplied by publisher]
Source: Clinical Neurophysiology - November 15, 2014 Category: Neurology Authors: Hu X, Suresh NL, Chardon MK, Rymer WZ Tags: Clin Neurophysiol Source Type: research
Genetic analysis of genes causing hypertension and stroke in spontaneously hypertensive rats: Gene expression profiles in the kidneys.
Abstract
Spontaneously hypertensive rats (SHRs) and stroke-prone SHRs (SHRSP) are frequently used as models not only of essential hypertension and stroke, but also of attention-deficit hyperactivity disorder (ADHD). Normotensive Wistar-Kyoto (WKY) rats are normally used as controls in these studies. In the present study, we aimed to identify the genes causing hypertension and stroke, as well as the genes involved in ADHD using these rats. We previously analyzed gene expression profiles in the adrenal glands and brain. Since the kidneys can directly influence the functions of the cardiovascular, endocrine and sy...
Source: International Journal of Molecular Medicine - July 10, 2015 Category: Molecular Biology Authors: Watanabe Y, Yoshida M, Yamanishi K, Yamamoto H, Okuzaki D, Nojima H, Yasunaga T, Okamura H, Matsunaga H, Yamanishi H Tags: Int J Mol Med Source Type: research
Tonic Stretch Reflex Threshold as a Measure of Ankle Plantar-Flexor Spasticity After Stroke.
CONCLUSION: TSRT inter-evaluator reliability was very good for evaluating stroke-related plantarflexor spasticity. TSRT is a reliable measure of spasticity. More information may be gained by combining TSRT measurement with a measure of velocity-dependent resistance.
PMID: 26450971 [PubMed - as supplied by publisher]
Source: Physical Therapy - October 8, 2015 Category: Physiotherapy Authors: Blanchette AK, Mullick AA, Moïn-Darbari K, Levin MF Tags: Phys Ther Source Type: research
Modulation of cortical and spinal inhibition with functional recovery of upper extremity motor function among patients with chronic stroke.
CONCLUSIONS: In chronic stroke patients with moderate or severe hemiparesis, well-recovered patients showed disinhibition of ipsilesional hemisphere and increased resiprocal inhibition of forearm.
PMID: 26578060 [PubMed - as supplied by publisher]
Source: Restorative Neurology and Neuroscience - January 25, 2016 Category: Neurology Tags: Restor Neurol Neurosci Source Type: research
Effects of one session radial extracorporeal shockwave therapy on post-stroke plantarflexor spasticity: a single-blind clinical trial.
Conclusions The rESWT improved plantarflexor spasticity, and the effects sustained for one hour, whereas it was not effective in improving spinal excitability. Implications for Rehabilitation One session radial extracorporeal shock wave therapy (rESWT) is safe and effective in improving post stroke plantarflexor spasticity, ankle active and passive range of motion, passive torque, and walking capability. The spasticity scores improved for both the gastrocnemius and the soleus muscles and persisted one hour after rESWT. The magnitude of resistive plantarflexor passive torque in the knee extended position and high velocity w...
Source: Disability and Rehabilitation - March 13, 2016 Category: Rehabilitation Authors: Radinmehr H, Nakhostin Ansari N, Naghdi S, Olyaei G, Tabatabaei A Tags: Disabil Rehabil Source Type: research
