نتایج جستجو برای: Silicone

تعداد نتایج: 9601  

ژورنال: توانبخشی 2019

Objective Diabetic foot ulcers are significant complications of diabetes that can lead to amputation. Partial foot prostheses can be used to redistribute the plantar pressure on the residual limb to alleviate local pressures and prevent re-amputation at more proximal levels. The current study aimed to describe the fabrication of an original silicone foot prosthesis designed for a diabetic patie...

Alireza Ghannadan, Hamid Reza Fathi, Kambiz Kamyab, Mahdi Fathi, Mina Alavion, Saeed Amanpour, Zahra Khazaipour,

BACKGROUND Peripheral nerve repair is often complicated by fibroblastic scar formation, nerve dysfunction, and traumatic neuroma formation. Use of silicone may improve outcomes of these repairs. In this study, we tried to evaluate effectiveness of silicone gel on rats’ sciatic nerve repair, axon regeneration and scar formation around and in the nervous tissues. METHODS This experimental stud...

Journal: :world journal of plastic surgery 0
hamid reza fathi plastic and reconstructive surgery department, vali-e-asr hospital, tehran university of medical sciences, tehran, iran mahdi fathi plastic and reconstructive surgery department, vali-e-asr hospital, tehran university of medical sciences, tehran, iran alireza ghannadan pathology department, razi hospital, tehran university of medical sciences, tehran, iran mina alavion plastic and reconstructive surgery department, vali-e-asr hospital, tehran university of medical sciences, tehran, iran kambiz kamyab pathology department, razi hospital, tehran university of medical sciences, tehran, iran zahra khazaipour neurology research center, tehran university of medical sciences, tehran, iran

background peripheral nerve repair is often complicated by fibroblastic scar formation, nerve dysfunction, and traumatic neuroma formation. use of silicone may improve outcomes of these repairs. in this study, we tried to evaluate effectiveness of silicone gel on rats’ sciatic nerve repair, axon regeneration and scar formation around and in the nervous tissues. methods this experimental study w...

Keyvan Amini Kiana Karegar Rahim Mohammadi Roza Fallah Saeed Azizi

  Despite promising results observed using silicone rubber chamber, no previous comprehensive work was performed on behavior of the conduit. Present study aimed at further functional, histomorphometrical and immunohistochemical assessment of nerve regeneration in the same animal along a 10-mm rat sciatic nerve gap. Fifty- four male Wistar rats were divided into three experimental groups (n = 1...

Journal: :بینا 0
علیرضا دهقانی ar dehghani اصفهان- بیمارستان فیض- مرکز تحقیقات چشم فرهاد فاضل f fazel اصفهان- بیمارستان فیض- مرکز تحقیقات چشم حشمت اله قنبری h ghanbari اصفهان- بیمارستان فیض- مرکز تحقیقات چشم فرزان کیان ارثی f kianersi اصفهان- بیمارستان فیض- مرکز تحقیقات چشم محمدرضا اخلاقی mr akhlaghi

purpose: to evaluate the efficacy of silicone oil injection after deep vitrectomy in infectious endophthalmitis regarding visual acuity. methods: this single-blind randomized clinical trial was performed on 50 cases of infectious endophthalmitis undergoing deep vitrectomy. patients were randomly assigned to two groups: in one group silicone oil was injected into the eye at the end of the operat...

Journal: :Archives of otolaryngology--head & neck surgery 2001
W Zager J Huang P McCue D Reiter

OBJECTIVE To determine whether prior silicone injection increases the risks associated with carbon dioxide laser resurfacing. DESIGN Laboratory determination of the effect of laser energy on liquid silicone; histologic evaluation of silicone-injected skin after lasing; and histologic demonstration of silicone deposits in all layers of dermis years after injection of silicone as filler fluid. ...

Journal: :Journal of cataract and refractive surgery 2001
S N Arthur Q Peng D J Apple M Escobar-Gomez R Bianchi S K Pandey L Werner

PURPOSE To evaluate surface properties of various intraocular lenses (IOLs), including a newly fabricated heparin-surface-modified (HSM) silicone IOL, with special reference to their efficiency in reducing potential silicone oil adherence to the IOL optics. SETTING Center for Research on Ocular Therapeutics and Biodevices, Department of Ophthalmology, Storm Eye Institute, Medical University o...

Journal: :Journal of cataract and refractive surgery 2007
Aylin Yaman A Osman Saatci Sulen Sarioğlu F Hakan Oner Ismet Durak

PURPOSE To determine the interaction of heavy silicone oil with various intraocular lens (IOL) materials and whether heavy silicone oil covers the silicone IOL optic as silicone oil does. SETTING Department of Ophthalmology, Dokuz Eylul University, Izmir, Turkey. METHODS The study group comprised 5 poly(methyl methacrylate) (PMMA) IOLs, 4 foldable silicone IOLs, 5 foldable hydrophilic acryl...

حسن مرزبان, , سیدعلی فخر طباطبایی, , عبدالرضا شیخ رضایی, , علیرضا خوشنویسان, , فهیمه اسدی آملی, , محمد بربرستانی, , مهدی نیکبخت, ,

There are many studies about epidural fibrosis after surgical manipulation of the spine. We have studied formation of the post laminectomy epidural fibrosis after application of two materials (Silicone and Teflon) in this report. This expriment is on two groups of rats. Two separated laminectomies were done in each rat, one serving as control while in the other laminectomy spaces Silicone was u...

Journal: :Dermatologic surgery : official publication for American Society for Dermatologic Surgery [et al.] 1999
B Berman F Flores

BACKGROUND The exact mechanisms of action responsible for the effectiveness of silicone gel dressings are unknown, although it has been proposed that static electricity generated by friction could be the reason for their anti-scarring effects. OBJECTIVE We compared the efficacy of a cushion of silicone filled with liquid silicone gel reported to induce greater negative static-electric charge ...

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