نتایج جستجو برای: Sciatic nerve
تعداد نتایج: 164045 فیلتر نتایج به سال:
BACKGROUND Piriformis syndrome can be caused by anatomic abnormalities. The treatments of piriformis syndrome include the injection of steroid into the piriformis muscle and near the area of the sciatic nerve. These techniques use either fluoroscopy and muscle electromyography to identify the piriformis muscle or a nerve stimulator to stimulate the sciatic nerve. METHODS The authors performed...
OBJECTIVE To evaluate the anatomic topographic relation between the sciatic nerve in relation to the piriform muscle and the posterior portal for the establishment of hip arthroscopy. METHODS We dissected 40 hips of 20 corpses of adult Brazilians, 17 male and three female, six black, six brown and eight white. We studied the anatomical relationship between the sciatic nerve and the piriform m...
OBJECTIVE(S) Crocin is a constituent of saffron and has many biological functions. The present study aimed to investigate the effects of intraperitoneal (IP) injection of crocin on sciatic nerve regeneration in male Wistar rats. MATERIALS AND METHODS Fifty-four rats were divided into 9 groups: groups 1-4 (intact + normal saline and intact + crocin at doses of 5, 20 and 80 mg/kg, respectively)...
INTRODUCTION Dexamethasone and vitamin B(12) are currently used in the clinic to treat peripheral nerve damage but their mechanisms of action remain incompletely understood. In this study we hypothesized that dexamethasone and vitamin B(12) promote the production of endogenous neurotrophic factors, thereby enhancing peripheral nerve repair. MATERIAL AND METHODS Ninety-six adult male Wistar ra...
Non-freezing cold injury is a prevalent cause of peripheral nerve damage, but its pathogenic mechanism is poorly understood, and treatment remains inadequate. Glucocorticoids have anti-inflammatory and lipid peroxidation-inhibiting properties. We therefore examined whether dexamethasone, a synthetic glucocorticoid compound, would alleviate early-stage non-freezing cold injury of the sciatic ner...
Objective (s): Scar formation in injured peripheral nerve bed causes several consequences which impede the process of nerve regeneration. Several animal models are used for scar induction in preclinical studies which target prevention and/or suppression of perineural scar. This study evaluates the translational capacity of four of physical injury models to induce scar formation aro...
Pretreatment of nerve allografts by exposure to irradiation or green tea polyphenols can eliminate neuroimmunogenicity, inhibit early immunological rejection, encourage nerve regeneration and functional recovery, improve tissue preservation, and minimize postoperative infection. In the present study, we investigate which intervention achieves better results. We produced a 1.0 cm sciatic nerve d...
Introduction: Nerve invasion is frequently seen in patients with pancreatic cancer and is widely recognized as a strong predictor of poor prognosis. Since accurate imaging diagnosis of nerve invasion can be made by clear discrimination between minute cancerous tissues from the surrounding nerve plexus, manganese enhanced MR imaging (MEMRI) [1] is a reasonable approach for this purpose, because ...
abstract we report a case of paint thinner intoxication by inhalation, with rhabdomyolysis, renal failure, skin lesions and severe sciatic nerve lesion at gluteal region.
Inflammatory demyelinating diseases of peripheral nerves are associated with altered nerve conduction and with activation of the coagulation pathway. Thrombin mediates many of its effects through protease-activated receptor 1 (PAR-1). We examined the possibility that thrombin may mediate conduction abnormalities through PAR-1 on rat sciatic nerve. PAR-1 was found to be present by both RT-PCR an...
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