نتایج جستجو برای: peripheral nerve

تعداد نتایج: 324527  

Journal: :basic and clinical neuroscience 0
mohamed abdelhamid ali yousef experimental surgery and microsurgery research unit, department of general surgery, university of pavia, v.le golgi 19, 27100, pavia, italy. paolo dionigi organization stefania marconi organization alberto calligaro organization antonia icaro cornaglia organization enrico alfonsi organization

introduction: repair of peripheral nerve injuries is an intensive area of challenge and research in modern reconstructive microsurgery. intensive research is being carried out to develop effective alternatives to the standard nerve autografting, avoiding its drawbacks. the aim of the study was to evaluate the effectiveness of a newly designed mechanical device for the reconstruction of the scia...

Journal: :the archives of bone and joint surgery 0
alireza saied kerman neuroscience research center, dr bahonar hospital, kerman university of medical sciences, kerman, iran majid asadi shekar kerman neuroscience research center, dr bahonar hospital, kerman university of medical sciences, kerman, iran amirreza sadeghifar kerman neuroscience research center, dr bahonar hospital, kerman university of medical sciences, kerman, iran ali karbalaeikhani aja university of medical sciences, emam reza hospital , tehran, iran

background: the standard method for repair of an injured peripheal nerve is epineural repair with separate sutures. herein we describe a method in which the nerve is sutured with continous sutures. in fact this method has not been utilized for nerve repair previously and our purpose was to compare it to the standard method. if it proved to be successful it would replace the standard method in c...

Journal: :anesthesiology and pain medicine 0
linqiu zhou department of rehabilitation medicine, thomas jefferson university, philadelphia, pa, usa; department of rehabilitation medicine, thomas jefferson university, philadelphia, pa, usa. tel: +856-2025331, fax: +856-2025638 avi ashkenazi doylestown hospital, doylestown, pa, usa joseph w smith department of anesthesiology, thomas jefferson university, philadelphia, pa, usa na jen mercy fitzgerald hospital, mercy health system, darby, pa, usa timothy r deer the center for pain relief, charleston, wv, usa chen zhou jefferson medical school, thomas jefferson university, philadelphia, pa, usa

conclusions our results support the use of pns in some patients with refractory chronic headaches. appropriate surgical planning and technique are important to achieve good clinical outcome and to minimize complications. background subcutaneous peripheral nerve stimulation (pns) has emerged as a useful tool in the treatment of intractable headaches. however, complications such as skin erosion, ...

Journal: :the archives of bone and joint surgery 0
shayan abdollah zadegan 1.tissue repair lab, institute of biochemistry and biophysics (ibb), university of tehran, tehran iran. 2.research center for neural repair (rcnr), university of tehran, tehran, iran. masoumeh firouzi 1.tissue repair lab, institute of biochemistry and biophysics (ibb), university of tehran, tehran iran. 2.research center for neural repair (rcnr), university of tehran, tehran, iran. mohammad hossein nabian 1.department of orthopedic and trauma surgery, shariati hospital, tehran university of medical sciences, tehran, iran. 2.research center for neural repair (rcnr), university of tehran, tehran, iran. leila oriady zanjani 1.department of orthopedic and trauma surgery, shariati hospital, tehran university of medical sciences, tehran, iran. 2.research center for neural repair (rcnr), university of tehran, tehran, iran. ahmad mohebbi ashtiani research center for neural repair (rcnr), university of tehran, tehran, iran. reza shahryar kamrani 1.department of orthopedic and trauma surgery, shariati hospital, tehran university of medical sciences, tehran, iran. 2.joint reconstruction research center, tehran university of medical sciences, tehran, iran.

excessive scarring; paralleling the process in tendon reconstruction of the hand. inspired by the advantages of the two-stage technique in tendon grafting and with encouraging preliminary results, we aimed to investigate the two-stage nerve grafting technique as an alternative method of secondary nerve repair. methods:  thirty female rats (~200 g) were randomly distributed into two groups (n=15...

Journal: :international clinical neurosciences journal 0
afsoun seddighi functional neurosurgery research center , shohada tajrish neurosurgical center of excellent , shahid beheshti university of medical sciences , tehran, iran . amir nikouei functional neurosurgery research center , shohada tajrish neurosurgical center of excellent , shahid beheshti university of medical sciences , tehran, iran . amir saied seddighi functional neurosurgery research center , shohada tajrish neurosurgical center of excellent , shahid beheshti university of medical sciences , tehran, iran . ali reza zali functional neurosurgery research center , shohada tajrish neurosurgical center of excellent , shahid beheshti university of medical sciences , tehran, iran . seyed mahmood tabatabaei functional neurosurgery research center , shohada tajrish neurosurgical center of excellent , shahid beheshti university of medical sciences , tehran, iran . ali reza sheykhi functional neurosurgery research center , shohada tajrish neurosurgical center of excellent , shahid beheshti university of medical sciences , tehran, iran .

traumatic peripheral nerve injuries are among most important cause of physical disability among young adults. most partial injuries and some complete injuries recover without operative intervention, with early return of function appearing to be the most significant prognostic factor in these cases. return of function over time depends to a great extent on the underlying neuropathologic conditio...

Journal: :iranian journal of radiology 0
jian hui gu jiangsu province key laboratory of neuroregeneration, nantong university, nantong, jiangsu, china xue jun zhou department of radiology, affiliated hospital of nantong university, nantong, jiangsu, china dong sheng jin department of radiology, jiangsu province official hospital, nanjing, jiangsu, china wen quan ding department of hand surgery, ningbo no.6 hospital, ningbo university, ningbo, zhejiang, china; department of hand surgery, ningbo no.6 hospital, ningbo university, ningbo, zhejiang, china. tel: +86-18106606963 xin wang department of hand surgery, ningbo no.6 hospital, ningbo university, ningbo, zhejiang, china

conclusion vr reconstruction for both single-direction images and sushi using dti25 raw data provides excellent 3d displays of the peripheral nerves in the wrist region. sushi post-processing is a useful denoising tool because it automatically reduces the majority of isotropic object noise. results single-direction vr reconstruction clearly showed the nerves for both dti6 and dti25 but with obv...

Journal: :international journal of nano dimension 0
e. biazar department of chemistry, islamic azad university tonekabon branch , mazandaran, iran m.t. khorasani biomaterial department of iran, polymer and petrochemical institute, tehran, iran. d. zaeifi department of genetic, islamic azad university-tonekabon branch, mazandaran, iran.

peripheral nerve injuries (pni) can lead to lifetime loss of function and disfigurement. different methods such as conventional allograft procedures and using of biological tubes have problems for damaged peripheral nerves reconstruction. designed scaffolds with natural and synthetic materials are now widely used in the reconstruction of damaged tissues. utilization of absorbable and non-absorb...

Journal: :journal of dental materials and techniques 0
jahanshah salehinejad dental research center, department of oral and maxillofacial pathology, faculty of dentistry, mashhad university of medical sciences, mashhad, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی مشهد (mashhad university of medical sciences) atefeh nasseh dental research center, department of oral and maxillofacial pathology, faculty of dentistry, mashhad university of medical sciences, mashhad, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی مشهد (mashhad university of medical sciences) amir hossein jafarian department of pathology, ghaem hospital, mashhad university of medical sciences, mashhad, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی مشهد (mashhad university of medical sciences) nazanin bashardoust department of oral and maxillofacial pathology, faculty of dentistry, gilan university of medical sciences, rasht, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی گیلان (guilan university of medical sciences)

malignant peripheral nerve sheath tumor (mpnst) is a rare malignant tumor that develops either from a preexisting neurofibroma or de novo. the cell of origin is believed to be the schwann cell and possibly other nerve sheath cells. in this report, we describe a rare case of mpnst that arise from the socket of second left maxillary molar that has been already extracted in a young man. he was ref...

Journal: :acta medica iranica 0
nazi derakhshanrad brain and spinal injuries research center, imam khomeini hospital, tehran university of medical sciences, tehran, iran. hooshang saberi brain and spinal injuries research center, imam khomeini hospital, tehran university of medical sciences, tehran, iran. and department of neurosurgery, tehran university of medical sciences, tehran, iran. sajad shafiee department of neurosurgery, tehran university of medical sciences, tehran, iran. mir saeed yekaninejad brain and spinal injuries research center, imam khomeini hospital, tehran university of medical sciences, tehran, iran. and department of epidemiology and biostatistics, school of public health, tehran university of medical sciences, tehran, iran. mohammad reza hadian brain and spinal injuries research center, imam khomeini hospital, tehran university of medical sciences, tehran, iran abdolreza sheikhrezai brain and spinal injuries research center, imam khomeini hospital, tehran university of medical sciences, tehran, iran. and department of neurosurgery, tehran university of medical sciences, tehran, iran.

many experimental studies have reported behavioral improvement after transplantation of peripheral nerve tissue into the contused spinal cord, even in large animals. the safety of this treatment in human remains unknown. in this translational phase 1 study, safety of peripheral nerve grafting for chronic spinal cord injuries and possible outcomes are being reported. twelve complete motor spinal...

Journal: :iranian journal of veterinary research 2014
z. moradi s. azizi r. hobbenaghi

a common cause of peripheral nerve injury is trauma. the positive effect of antioxidants on the improvement of nerve regeneration has currently become a focus of attention. in this experiment, the effect of intraperitoneal administration of ubiquinone (coq10) on an acute experimentally sciatic nerve crush was studied in a rat model. forty-five male wistar rats, weighing between 160-180 g were u...

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