papaverine/seizures

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Intra-arterial papaverine-induced seizures: case report and review of the literature.

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BACKGROUND Microcatheter-guided intra-arterial (IA) papaverine infusion in conjunction with balloon angioplasty is an available therapy for patients with symptomatic vasospasm after subarachnoid hemorrhage (SAH) that is refractory to hypertensive, hypervolemic therapy. However, side effects and

Time-dependent effects of papaverine on electrically induced seizures in rats.

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We tested the effects of papaverine, an adenosine uptake blocker, on hippocampal-elicited afterdischarges in rats. Rats were injected with 35 mg/kg papaverine and tested for seizure responses at 5, 20, and 60 min postinjection. Papaverine produced a potent inhibition of afterdischarge generation,

Experimental study of the effects of imidazol, papaverine and histamine on convulsive-seizure reactivity.

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In experiments on male albino rats and mice a study is made of the effects of imidazol which is a phosphodiesterase stimulator, papaverine which inhibits phosphodiesterase and histamine which stimulates adenylate cyclase, on the convulsive-seizure reactivity. The substances are introduced

[Effects of imidazole, papaverine and theophylline on the picrotoxin convulsion-seizure threshold. The correlation with gamma-aminobutyric acid (GABA) and diazepam].

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The author carried out studies on male white rats and examined the effect of imidazol, papaverine and theophyline (drugs affecting the activity of phosphodiesterase), singly or in correlation with GAMA and diazepam on picrotoxic seizure threshold (PSAT). He found that imidazol had various effects on

Proconvulsant effect of papaverine on theophylline-induced seizures in rats.

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1. The effects of papaverine, an adenosine uptake inhibitor, were tested against theophylline-induced seizures. 2. Rats were infused with a constant intravenous infusion of theophylline at 10.3 mg/min immediately following intraperitoneal pretreatment with either papaverine 35 mg/kg or saline

[Effect on audiogenic seizure of white rat of some natural or synthetic alkaloids derived from opium: morphine, dihydro-oxycodeinone, papaverine].

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The effect of intra-arterial papaverine on ECoG activity in the ketamine anesthetized rat.

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The opium alkaloid papaverine (PPV) causes vasodilatation of the cerebral arteries through direct action on smooth muscle that reduces the constriction of smooth muscle. Intra-arterial papaverine (IAP) has been used widely to increase the regional cerebral blood flow in order to reverse the cerebral

[Endovascular treatment of cerebral vasospasm with intra-arterial papaverine infusion].

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Thirty-one cases of cerebral vasospasm following subarachnoid hemorrhage were treated with intraarterial papaverine infusion. Symptomatic cases were nineteen, and asymptomatic cases were twelve. Papaverine (120 mg/saline 50 ml, 30 min) was injected superselectively to vasospastic vessels through a

Complications associated with intraarterial administration of papaverine for vasospasm following subarachnoid hemorrhage--two case reports.

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Complications associated with intraarterial papaverine infusion occurred in two patients treated for vasospasm due to subarachnoid hemorrhage (SAH). A 42-year-old male with an anterior communicating artery aneurysm underwent craniotomy and aneurysm clipping. Five days after the SAH occurred,

Effect of intracarotid papaverine on human cerebral blood flow and vascular resistance during acute hemispheric arterial hypotension.

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This study assessed the feasibility of augmenting cerebral blood flow (CBF) and decreasing hemispheric cerebrovascular resistance (CVR) by intracarotid papaverine during acute cerebral hypotension. Awake patients (n = 10) undergoing transfemoral balloon occlusion of an internal carotid artery (ICA)

Intra-arterial papaverine for the treatment of cerebral vasospasm following aneurysmal subarachnoid hemorrhage.

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BACKGROUND Intra-arterial papaverine (IAP) has been described as a treatment for cerebral vasospasm refractory to standard therapy. METHODS We report a series of 15 consecutive patients with aneurysmal subarachnoid hemorrhage in which IAP was employed for the treatment of symptomatic vasospasm. All

Intra-arterial papaverine in the management of cerebral vasospasm following subarachnoid haemorrhage.

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Between July 1992 and January 1993 a prospective pilot study of the efficacy of intra-arterial papaverine in the management of clinically significant angiographically confirmed cerebral vasospasm arising as a consequence of aneurysmal subarachnoid haemorrhage was conducted. During this period 40

[Analysis of two year heroin seizures in the Liege area].

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The results of heroin analysis from seizures in the Liege area during the last two years are presented in this article. Between January 2003 and January 2005, 50 samples were analysed in the Laboratory of Clinical Toxicology and Forensic Toxicology of the University of Liege. Mean heroin

Effects of drugs influencing the cAMP level on hippocampal seizure activity.

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Changes of hippocampal EEF seizure activity elicited by electrical stimulation of the hippocampus or penicillin injection into the hippocampus were investigated under the effect of locally applied drugs influencing the cAMP level in the brain. It was observed that some drugs which elevate the cAMP

Inhibition of aminophylline-induced convulsions in mice by antiepileptic drugs and other agents.

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Common antiepileptic drugs and agents affecting different neurotransmitter systems were studied against aminophylline (280 mg/kg i.p.)-induced convulsions in mice. All drugs and agents were administered i.p. Diazepam and phenobarbital antagonized the whole seizure pattern and the respective ED50

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