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A 6-month-old, 17 kg, male Labrador Retriever was presented for an evaluation of a suspected patent ductus arteriosus (PDA). Transthoracic echocardiography confirmed a left-to-right shunting PDA with a minimal ductal diameter of 3.5 mm. A transcatheter PDA occlusion was performed, and a 16 mm Amplatzer Vascular Plug II was selected for the procedure. Within 13 days of discharge, the dog developed...
The presence of an accessory atrioventricular conduction pathway may provide the anatomical basis for some tachyarrhythmias. Persistent tachyarrythmias may result in the development of systolic dysfunction or tachycardiomyopathy and eventual progression to heart failure. In this paper we report the successful ablation of an accessory pathway involved in the pathogenesis of persistent orthodromic atrioventricular...
The study has focused on the retrospective analysis of cases of coexisting congenital aortic stenosis (AS) and pulmonary artery stenosis (PS) in dogs. The research included 5463 dogs which were referred for cardiological examination (including clinical examination, ECG and echocardiography) between 2004 and 2014. Aortic stenosis and PS stenosis were detected in 31 dogs. This complex defect was the...
The aim of the studx was to evaluate the influence of sildenafil citrate administrated intravaginaly on the blood flow in the bovine uterus during dioestrus. Uterine blood flow was examined in six healthy adult cows. Sildenafil was administrated intravaginaly to each cow between the 6th and 8th d of the ovarian cycle, in the form of vaginal suppositories containing 100 mg of active substance at a...
Heart rate variability (HRV) is a well established mortality risk factor in both healthy dogs and those with heart failure. While the standards for short-term HRV analysis have been developed in humans, only reference values for HRV parameters determined from 24-hour ECG have been proposed in dogs. The aim of this study was to develop the reference values for short-term HRV parameters in a group of...
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