نتایج جستجو برای: nitroglycerin
تعداد نتایج: 3857 فیلتر نتایج به سال:
We have studied the effect of combining inhaled nitric oxide (NO) with an i.v. vasodilator agent, nitroglycerin, or ciloprost, a prostacyclin analogue, during acute pulmonary hypertension in pigs, induced by continuous infusion of a thromboxane analogue (U46619), adjusted to maintain mean pulmonary artery pressure (MPAP) at 40 mm Hg. The effects of the different treatments on MPAP and pulmonary...
Histopathologic-electrographic studies of ventriculography depicted nitroglycerin responsive and unresponsive asynergic areas were performed in 25 patients. Of 29 areas, 12 improved with nitroglycerin, showing < 10% muscle loss. Seventeen unimproved zones demonstrated significant fibrosis. Epicardial electrograms showed R waves in eight of nine improved zones. Of 11 unimproved zones, eight had ...
BACKGROUND Pulmonary hypertension secondary to valvular heart disease is a cause of acute right heart failure during valve replacement operations. This study compares the hemodynamic effects of intravenous use of iloprost and nitroglycerin in patients with pulmonary hypertension undergoing valvular replacement surgery. We sought to determine the acceptable doses of these medications for use in ...
To determine whether percutaneous transluminal coronary angioplasty (PTCA) increases coronary artery luminal dimensions by stretching and injuring ("paralyzing") the smooth muscle of the arterial wall, we prospectively analyzed spontaneous changes and then intracoronary nitroglycerin-induced changes in segmental coronary artery diameters during the first 30 minutes after uncomplicated single-ve...
The Krasno-Ivy nitroglycerin-flicker fusion test was carried out in normal persons, and in patients with arterial hypertension and/or coronary disease. A positive test was obtained more often in patients with cardiovascular abnormalities than in normal individuals. In the former group the frequency of negative results and the inconstancy of response to multiple tests indicate the unrelia-bility...
BACKGROUND Systemic hypertension is a common characteristic in acute heart failure (HF). This increasingly recognized phenotype is commonly associated with renal dysfunction and there is an unmet need for renal enhancing therapies. In a canine model of HF and acute vasoconstrictive hypertension we characterized and compared the cardiorenal actions of M-atrial natriuretic peptide (M-ANP), a nove...
BACKGROUND Acute anal fissure as a common disease in society has several etiologies and manifestations such as severe anal pain and bleeding. Nitroglycerin ointment 0.2% is the most common topical treatment used. The most common side effect of nitroglycerin is headache, which is annoying for patients and often leads to discontinuation of the drug. OBJECTIVE Comparison of egg yolk as a natural...
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