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Major Role of Nitric Oxide in the Mediation of Regional CO2 Responsiveness of the Cerebral and Spinal Cord Vessels of the Cat
- P. Sándor, K. Komjáti, M. Reivich, I. Nyáry
- Chemistry, Medicine
- Journal of cerebral blood flow and metabolism…
- 1 January 1994
The role of nitric oxide (NO) in the mediation of cerebrovascular CO2 responsiveness was studied in 10 distinct brain and spinal cord regions of the anesthetized, ventilated, temperature-controlled,… Expand
Histopathologic evaluation of aneurysms treated with Guglielmi detachable coils or matrix detachable microcoils.
- I. Szikora, P. Seifert, +6 authors I. Nyáry
- Medicine, Materials Science
- AJNR. American journal of neuroradiology
- 1 February 2006
BACKGROUND AND PURPOSE The purpose of this study was to evaluate the degree of organization and fibrocellular tissue development in aneurysms treated with bare platinum or biologically active… Expand
Sterically Inhomogenous Viscoelastic Behavior of Human Saccular Cerebral Aneurysms
To clarify the mechanism leading to the development and rupture of intracranial aneurysms, tensile strength and viscoelastic parameters of 22 human saccular aneurysms were investigated. Meridional… Expand
Contralateral approach to bilateral and ophthalmic aneurysms.
In a previous survey, we found a high incidence of fatal rupture of an unclipped aneurysm in patients with multiple aneurysms. To deal with this problem, we introduced a more vigorous technique that… Expand
Pharmacokinetics of vinpocetine and its metabolite, apovincaminic acid, in plasma and cerebrospinal fluid after intravenous infusion.
- M. Polgar, L. Vereczkey, I. Nyáry
- Chemistry, Medicine
- Journal of pharmaceutical and biomedical analysis
The pharmacokinetics of vinpocetine (ethyl apovincaminate, Cavinton) and its metabolite, apovincaminic acid, was studied in patients with cerebrovascular disorders. Vinpocetine (1 mg/kg) was infused… Expand
[Frequency of adjacent vertebral fractures following percutaneous vertebroplasty].
- Z. Kulcsar, M. Marosfoi, Z. Berentei, R. Veres, I. Nyáry, I. Szikora
- Orvosi hetilap
- 1 September 2009
INTRODUCTION AND AIMS Percutaneous vertebroplasty (PVP) proved to be very effective in the treatment of pain caused by osteoporotic vertebral compression fractures. A certain proportion of patients,… Expand
Bilateral supraorbital keyhole approach for multiple aneurysms via superciliary skin incisions.
BACKGROUND Considering that multiple aneurysms carry a high risk for fatal rupture, there is a need for complete treatment of all lesions in one surgical session using either unilateral-contralateral… Expand
Impact of aneurysmal geometry on intraaneurysmal flow: a computerized flow simulation study
IntroductionThis study was performed to assess the effect of aneurysm geometry on parameters that may have an impact on the natural history of intracranial aneurysms, such as intraaneurysmal flow… Expand
Speech activation of language dominant hemisphere:: a single-photon emission computed tomography study
- K. Borbély, A. Gjedde, I. Nyáry, S. Czirják, N. Donauer, A. Buck
- Psychology, Computer Science
- 1 October 2003
We tested the prediction that single photon emission computed tomography (SPECT) of the blood flow distribution in speech-activated brain identifies the language-dominant hemisphere and show that changes of the level of neuronal activity reflected by the measurement of rCBF variations might be detected by SPECT. Expand
Endogenous opioid mechanisms in hypothalamic blood flow autoregulation during haemorrhagic hypotension and angiotensin-induced acute hypertension in cats.
- K. Komjáti, M. Velkei-Harvich, J. Tóth, G. Dallos, I. Nyáry, P. Sándor
- Acta physiologica Scandinavica
- 1 May 1996
The influence of naloxone-induced general opiate receptor blockade on hypothalamic blood flow autoregulation was investigated in anaesthetized, artificially ventilated, temperature controlled cats.… Expand