نتایج جستجو برای: sildenafil
تعداد نتایج: 3308 فیلتر نتایج به سال:
Background and purpose: Pulmonary arterial hypertension (PAH) is a fatal disease affecting patients in all ages that could result in acute and chronic heart failure with high mortality rate. Oral sildenafil is approved to treat PAH in adults and recently in children. There are limited studies on the pharmacokinetics parameters of sildenafil, therefore, this study was designed to determine the p...
Background & Objective: Sildenafil citrate is a potential new strategy for the management of intrauterine growth restriction (IUGR) and preeclampsia, although its efficacy still needs to be approved. Accordingly, the aim of this study was to systematically assess the effectiveness of sildenafil on improving fetal Doppler indices, as well as the most common adverse effects of sildenafil. ...
Introduction: Sildenafil, a phosphodiesterase-5 (PDE5) inhibitor, may have various effects on the central nervous system via the nitric oxide (NO)-cyclic guanosine monophosphate (cGMP) pathway. Preclinical studies have shown the controversial effect of sildenafil on anxiety-like behavior in animals. This study was undertaken to investigate the acute effect of sildenafil on anxiety-like behavior...
Determination of sildenafil by various methods and in various media is reviewed in this paper. The methods used consist of ultraviolet (UV) spectroscopy, thin layer chromatography (TLC), and high-performance liquid chromatography (HPLC). These methods were used to determine the amount of sildenafil in pharmaceutical preparations, soft drinks, and biological liquids. HPLC was used for evaluation...
background sildenafil (viagra) has been introduced to treat erectile dysfunction by acting as phosphodiesterase 5 inhibitor and hence accumulation of guanosine cyclic monophosphate (cgmp). on the other hands, the nitric oxide/cgmp signaling pathway has crucial role in synaptic plasticity processes like long-term potentiation (ltp) in the central nervous system considered as a model of learning ...
introduction: sildenafil, a phosphodiesterase-5 (pde5) inhibitor, may have various effects on the central nervous system via the nitric oxide (no)-cyclic guanosine monophosphate (cgmp) pathway. preclinical studies have shown the controversial effect of sildenafil on anxiety-like behavior in animals. this study was undertaken to investigate the acute effect of sildenafil on anxiety-like behavior...
Background and purpose: Several adverse effects were reported for oral sildenafil. In this research after formulation of sildenafil topical gel, the effect of gel was compared with sildenafil tablet in a double-blind placebo-controled clinical trial. Materials and methods: After choosing the solvent system, several formulations were prepared and the most suitable gel was chosen for clinica...
Objective(s) Sildenafil citrate is a new drug and has special properties that bring about nitric oxide effects on vascular smooth muscle. The aim of this study was to assess the effects of ovarian stimulation and sildenafil citrate injection on pinopode expression in mice. Materials and Methods Thirty adult female mice were randomly divided into three groups: control, hyperstimulated and hyp...
Sildenafil citrate is a commonly used medication for the management of erectile dysfunction. Previous studies have reported psychiatric side effects this medication. So far, there has been paucity literature. We present case 42-year-old male, without known history, who developed psychotic symptoms following initiation sildenafil. also tried postulating mechanism by which may occur. This report ...
Sildenafil can be used for the management of right ventricular failure after left assist device (LVAD) implantation. However, usefulness sildenafil on subpulmonic morphological ventricle (pLV) has not been reported. This study reported haemodynamic effects pLV LVAD
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