نتایج جستجو برای: denervation
تعداد نتایج: 6945 فیلتر نتایج به سال:
OBJECTIVES/HYPOTHESIS To investigate the efficacy of laryngeal reinnervation with ansa cervicalis among unilateral vocal fold paralysis (UVFP) patients with different denervation durations. STUDY DESIGN We retrospectively reviewed 349 consecutive UVFP cases of delayed ansa cervicalis to the recurrent laryngeal nerve (RLN) anastomosis. Potential influencing factors were analyzed in multivariab...
OBJECTIVES The aim of this prospective randomized study was to assess the impact of renal artery denervation in patients with a history of refractory atrial fibrillation (AF) and drug-resistant hypertension who were referred for pulmonary vein isolation (PVI). BACKGROUND Hypertension is the most common cardiovascular condition responsible for the development and maintenance of AF. Treating dr...
After three years of excessive confidence, overoptimistic expectations and performance of 15 to 20,000 renal denervation procedures in Europe, the failure of a single well-designed US trial--Symplicity HTN-3--to meet its primary efficacy endpoint has cast doubt on renal denervation as a whole. The use of a sound methodology, including randomisation and blinded endpoint assessment was enough to ...
Introduction If denervation occurs in facial nerve palsy, muscle atrophy and irreversible loss of function sets in. For the leg muscles paraplegics, surface electrostimulation has been shown to stop reverse these processes. Whether this is also applicable mimic muscles, going be explored study.
Maintenance of skeletal muscle structure and function requires innervation by motor neurons, such that denervation causes muscle atrophy. We show that myogenin, an essential regulator of muscle development, controls neurogenic atrophy. Myogenin is upregulated in skeletal muscle following denervation and regulates expression of the E3 ubiquitin ligases MuRF1 and atrogin-1, which promote muscle p...
In rat sympathetic ganglia decentralization by preganglionic denervation leads to intraganglionic sprouting of adrenergic nerve and also in an intraganglionic increase of peptidergic fibres immunoreactive (IR) for substance P (SP) and calcitonin gene-related peptide. We explored the time-course of the post-denervation changes in intraganglionic nerve fibres immunoreactive for calcitonin gene-re...
We examined the mechanism of accelerated proteolysis in denervated rat soleus muscles. The soleus was denervated by severing either the tibial nerve (proximal, short stump) or sciatic nerve (distal, long stump) at 24, 48, 72, or 96 h before excision. Twenty-four hours after denervation, the extent of atrophy was similar for proximal and distal denervation, although lysosomal latency declined in...
Signs or symptoms of impaired autonomic regulation of circulation are typically present in patients affected by Parkinson's disease (PD), in agreement with the cardiac sympathetic denervation discovered by Goldstein more than 15 yrs. ago. In particular, the majority of PD patients have a diffuse left ventricular myocardial sympathetic denervation, being a normal neurological condition present o...
UNLABELLED Acetylcholine receptors (AChRs) are heteromeric membrane proteins essential for neurotransmission at the neuromuscular junction. Previous work showed that muscle denervation increases expression of AChR mRNAs due to transcriptional activation of AChR subunit genes. However, it remains possible that post-transcriptional mechanisms are also involved in controlling the levels of AChR mR...
UNLABELLED Aim of this study is to determine the clinical effect of circumpatellar electrocautery on cases undergoing non-resurfaced total knee arthroplasty. PATIENTS AND METHODS 184 patients undergoing non-resurfaced total knee arthroplasty were included and randomized into two, patient and outcome assessor-blinded, parallel groups: 92 patient in denervation group & 92 patients in no-denerva...
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