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Nerve Transfer Restoration Lower Motor Neuron Lesioned Bladder PubMed articles on BioPortfolio. Our PubMed references draw on over 21 million records from the medical literature. Here you can see the latest Nerve Transfer Restoration Lower Motor Neuron Lesioned Bladder articles that have been published worldwide.
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Previous patient surveys have shown that patients with spinal cord or cauda equina injuries prioritize recovery of bladder function. The authors sought to determine if nerve transfer after long-term decentralization restores bladder and sphincter function in canines.
Elbow flexion after upper brachial plexus injury may be restored by a nerve transfer from the ulnar nerve to the biceps motor branch with an optional nerve transfer from the median nerve to the brachialis motor branch (single and double fascicular nerve transfer). This meta-analysis assesses the effectiveness of both techniques and the added value of additional reinnervation of the brachialis muscle.
Amyotrophic lateral sclerosis (ALS) is a progressive neuromuscular disease characterized by both upper and lower motor neuron degeneration. While neuroimaging studies of the brain can detect upper motor neuron degeneration, these brain MRI scans also include the upper part of the cervical spinal cord, which offers the possibility to expand the focus also towards lower motor neuron degeneration. Here, we set out to investigate cross-sectional and longitudinal disease effects in the upper cervical spinal cord...
Choosing the target wisely: partial tibial nerve transfer to extensor digitorum motor branches with simultaneous posterior tibial tendon transfer. Could this be a way to improve functional outcome and gait biomechanics?
The objective of this study was clinical assessment of the reduction of pathological motor phenomena with the recovery of long toe extensors, and evaluation of functional outcome with simultaneous nerve and tendon transfer in cases of common peroneal nerve (CPN) injuries.
Validation of biomarkers of upper motor neuron (UMN) impairment in amyotrophic lateral sclerosis (ALS) requires a reliable clinical assessment of UMN findings. The Penn Upper Motor Neuron Score© (PUMNS) is a standardized measure of UMN signs in ALS. Our aims were to evaluate its intra- and interrater reliability, and to examine inter-item reliability as a proxy for item relatedness and scale efficiency.
The aim of this study was to evaluate the corticospinal tract (CST) diffusion profile in pure lower motor neuron disease (pLMND) patients who at baseline did not show any clinical or electrophysiological involvement of upper motor neurons (UMN), and in amyotrophic lateral sclerosis (ALS) patients.
Reconstruction of elbow extension is a first priority in the surgical management of patients with tetraplegia. Traditionally, posterior deltoid and biceps to triceps muscle transfers were used, but in recent years, nerve transfers have become the preferred choice of a few surgeons. However, nerve transfer reconstruction failures exist, often related to poor donor nerves, prolonged intervals between the injury and surgery, and advanced patient age. As a valid surgical alternative in such cases, we propose tr...
Two novel pyrimidine derivatives, RG2 and RG6, were studied using a rat's model of peripheral nerve injury. Toe-spreading reflex and skin sensitivity to pinch in the foot were monitored to follow recovery of motor and sensory functions in the treated animals. The remyelation rate in the distal segment of the damaged nerve was also studied using morphological analysis of cross-sections of the nerve stained with methylene blue. The obtained data demonstrate a high stimulating effect of RG2 and RG6 on the rest...
To extract insight about the mechanism of repeater F-waves (Frep) by exploring their correlation with electrophysiologic markers of upper and lower motor neuron dysfunction in amyotrophic lateral sclerosis (ALS).
In the clinic, severe motor nerve injury is commonly repaired by autologous sensory nerve bridging, but the ability of Schwann cells (SCs) in sensory nerves to support motor neuron axon growth is poor due to phenotype mismatch. In vitro experiments have demonstrated that sensory-derived SCs overcome phenotypic mismatch-induced growth inhibition after pretreatment with exogenous glial cell-derived neurotrophic factor (GDNF) and induce motor neuron axonal growth. Thus, we introduced a novel staging surgery: I...
Infantile hereditary lower motor neuron disorders beyond 5q-spinal muscular atrophy (5q-SMA) are usually caused by mutations other than deletions or mutations in SMN1. In addition to motor neuron degeneration, further neurologic or multisystemic pathologies in non-5q-SMAs are not seldom. Some of the non-5q-SMA phenotypes, such as pontocerebellar hypoplasia (PCH1), have been classified later as a different disease group due to distinctive primary pathologies. Likewise, a novel phenotype, childhood-onset neur...
Cranial nerve injury is disabling for patients, and facial nerve injury is particularly debilitating due to combined functional impairment and disfigurement. The most widely accepted approaches for reconstructing nerve gap injuries involve using sensory nerve grafts to bridge the nerve defect. Prior work on preferential motor reinnervation suggests, however, that motor pathways may preferentially support motoneuron regeneration after nerve injury. The effect of motor versus sensory nerve grafting after faci...
The basic neuropathology of amyotrophic lateral sclerosis (ALS) is defined as the involvement of the upper motor neurons system (UMN) and the lower motor neuron system (LMN), with variable degree and combination. The characteristic pathological feature of sporadic ALS is cytoplasmic mislocalization of nuclear TDP-43 and aggregation of abnormally phosphorylated TDP-43 inclusions in cytoplasm in LMN, UMN and glial cells. TDP-43 inclusions correlate with cell loss and distribute beyond the UMN and LMN system. ...
A pathological hallmark of spinal muscular atrophy (SMA) is severe motor neuron loss, which results in muscle weakness and often infantile or childhood mortality. Although it is well established that deficient expression of survival motor neuron protein causes SMA, the molecular pathways that execute motor neuron cell death are poorly defined. The c-Jun NH2-terminal kinases (JNKs) are stress-activated kinases with multiple substrates including c-Jun, which can be activated during neuronal injury and neurode...
The output from a motor nucleus is determined by the synaptic input to the motor neurons and their intrinsic properties. Here, we explore whether the source of synaptic inputs to the motor neurons (cats) and the age or post-stroke conditions (humans) may change the recruitment gain of the motor neuron pool. In cats, the size of Ia EPSPs in triceps surae motor neurons (input) and monosynaptic reflexes (MSRs; output) was recorded in the soleus and medial gastrocnemius motor nerves following graded stimulation...
Current strategies for the chronic stage of spinal cord injury (SCI) had seen little progress. In this report, we present the use of contralateral L5 nerve transfer for the treatment of incomplete SCI patients with unilateral lower limb dysfunction in two male patients. One was diagnosed with L2 vertebral fracture and dislocation combined with coni medullaris injury 10 months prior, and the other was diagnosed with T6 and T7 vertebral fractures with SCI 24 months prior. The patients were treated with deco...
Considerable functional reorganisation takes place in amyotrophic lateral sclerosis in face of relentless structural degeneration. This study evaluates functional adaptation in ALS patients with lower motor neuron (LMNp) and upper motor neuron predominant (UMNp) dysfunction.
After severe nerve injuries, selective nerve transfers provide an opportunity to restore motor and sensory function. Functional recovery depends both on the successful re-innervation of the targets in the periphery and on the motor re-learning process entailing cortical plasticity. While there is an increasing number of methods to improve rehabilitation, their routine implementation in a clinical setting remains a challenge due to their complexity and long duration. Therefore, recommendations for rehabilita...
With increasing life expectancy, comorbidities become overt in Duchenne muscular dystrophy (DMD). Though micturition problems are common, bladder functioning is poorly understood in DMD. We studied dystrophin expression, and multiple isoform involvement in the bladder during maturation to gain insights into their role in micturition.
A new mouse model of Parkinson's disease (PD) demonstrates α-synuclein pathology spreading from the gut to the brain via the vagus nerve (Kim et al., Neuron, 2019). The pathology is associated with motor and non-motor behavioral deficits in wild-type mice. These findings support the idea that the gut could be a starting point for PD.
Respiratory motor neuron survival is critical for maintenance of adequate ventilation and airway clearance, preventing dependence to mechanical ventilation and respiratory tract infections. Phrenic motor neurons are highly vulnerable in rodent models of motor neuron disease versus accessory inspiratory motor pools (e.g. intercostals, scalenus). Thus, strategies that promote phrenic motor neuron survival when faced with disease and/or toxic insults are needed to help preserve breathing ability, airway defens...
To determine if targeted and modulated radiofrequency ablation (RFA) of the urinary bladder using our novel ablation device (Denerblate) reduces bladder nerve density, potentially leading to a novel strategy for the management of overactive bladder.
Current understanding of human motor unit (MU) control and ageing is mostly derived from hand and limb muscles that have spinal motor neuron innervations. The aim here was to characterize and test whether a muscle with a shared innervation supply from brainstem and spinal MU populations will demonstrate similar age-related adaptations as those reported for other muscles. In humans, the superior trapezius (ST) muscle acts to elevate and stabilize the scapula and has primary efferent supply from the spinal ac...
Spinal muscular atrophy (SMA) is hereditary motor neuron disorder, characterised by the degeneration of motor neurons and progressive muscle weakness. It is caused by the homozygous loss of function of the survival motor neuron (SMN) 1 gene. SMA shows a wide variability of disease severity.