S. Öztürk Uslu

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OBJECTIVE To analyze histomorphometric, densitometric and biochemical effects of melatonin on osteoporosis in ovariectomized rats. STUDY DESIGN Wistar rats were divided into 6 groups. Group C: control; Group I: bilateral ovariectomy (OVX); Group II: OVX + vehicle; Group III: OVX + 10 mg/kg/day melatonin (MLT); Group IV: OVX + 30 mg/kg/day MLT; Group V:(More)
Intervertebral disk (IVD) degeneration, a complex pathological condition of varying origins, causes low back pain. Degenerative changes in IVD tissue affect the adjacent vertebral structure, resulting in a decreased vertebral trabecular width. It has been suggested that transforming growth factor-beta 1 (TGF-beta(1)) may have a role in the repair of(More)
We carried out an experimental investigation of cartilage endplate vascularity of degenerated intervertebral discs produced by exogenous melatonin (MEL) treatment. Adult Swiss albino rats were divided into three groups: control, operated degeneration, and MEL treatment. There were five rats in each group and, using a posterior approach, cuts were made(More)
BACKGROUND CONTEXT Epidural fibrosis is a common adverse outcome of spinal surgery that can compress the dural sac and nerve root. Local hemostatic agents have many indications in numerous types of spinal surgery. As these agents may behave as foreign bodies, inducing inflammation and delaying regeneration, they could enhance the risk of epidural fibrosis.(More)
The vascular channels at the end-plate of the intervertebral disc are very important in maintaining a healthy disc. With age, a reduction of the nutrition of the avascular nucleus pulposus is inevitable. On the other hand the calcium channel antagonist nimodipine has been shown to have a positive effect on blood flow in the region of the vertebral(More)
OBJECTIVE The aim of this study was to assess the efficacy of a soluble absorbable silicon compound on healing of the Achilles tendon. METHODS The Achilles tendons of 21 Wistar albino rats were cut and repaired. A 0.01 ml organic silicon solution (silanol) was injected peri/intratendinously into the left leg of all rats and the same dose of saline into(More)
INTRODUCTION Many patients of all ages are admitted to hospital due to bone fractures. The etiology of fracture has a very wide spectrum, ranging from motor accidents to pathological conditions such as tumors, osteoporosis, and others. Bone fracture healing is a well-programmed and well-organized process, but is also long and intractable. The outcome of(More)
AIM Oxidation products following subarachnoid hemorrhage (SAH) are among the causative substances of cerebral vasospasm and poor outcome. Ozone (O3) is a gas that contains three atoms of oxygen with a cyclic structure. It has been suggested that application of low-dose ozone has an antioxidant effect and provides resistance to oxidative stress. We(More)