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Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology

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https://www.readbyqxmd.com/read/27919727/patent-ductus-arteriosus-in-cats-felis-catus-50-cases-2000-2015
#1
A Bascuñán, K M Thieman Mankin, A B Saunders, J M Bright, V Scharf, A Singh, L O'Sullivan, B Brisson, A H Estrada, S P Tou, C Ruoff
OBJECTIVES: To describe signalment, clinical characteristics, diagnostic, treatment, and outcome data in a large case series of cats with patent ductus arteriosus (PDA). ANIMALS: Fifty cats with confirmed PDA. METHODS: Retrospective review of medical records from five referral veterinary hospitals for cats with PDA between 2000 and 2015. Cats were included if a PDA was visualized echocardiographically, during surgery, or on post-mortem examination...
December 2, 2016: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/27913078/pulmonary-artery-dissection-following-balloon-valvuloplasty-in-a-dog-with-pulmonic-stenosis
#2
K A Grint, H B Kellihan
A 3-month-old, 9.9 kg, male pit bull cross was referred for evaluation of collapse. A left basilar systolic heart murmur graded V/VI and a grade IV/VI right basilar systolic heart murmur were ausculted. Echocardiography showed severe pulmonic stenosis characterized by annular hypoplasia, leaflet thickening, and leaflet fusion. After 1 month of atenolol therapy, a pulmonic valve balloon valvuloplasty procedure was performed, and the intra-operative right ventricular pressure was reduced by 43%. Echocardiography, performed the following day, showed apparent rupture of a pulmonary valve leaflet and a membranous structure within the pulmonary artery consistent with a dissecting membrane...
November 30, 2016: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/27913077/pyloric-obstruction-secondary-to-epicardial-pacemaker-implantation-a-case-report
#3
G Bedoya Nader, H B Kellihan, D E Bjorling, J McAnulty
A 10-year old Lhasa Apso dog was presented for an acute history of exercise intolerance and hind limb weakness. High grade second degree atrioventricular block with an atrial rate of 200 beats per minute, ventricular rate of 40 beats per minute and an intermittent ventricular escape rhythm, was diagnosed on electrocardiograph. A transdiaphragmatic, unipolar, epicardial pacemaker was implanted without immediate surgical complications. Severe vomiting was noted 12 h post-operatively. Abdominal ultrasound and a barium study supported a diagnosis of pyloric outflow obstruction and exploratory abdominal surgery was performed...
November 29, 2016: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/27865737/echocardiographic-assessment-of-feline-false-tendons-and-their-relationship-with-focal-thickening-of-the-left-ventricle
#4
O A Wolf, M Imgrund, G Wess
BACKGROUND: False tendons (FTs) are string-like structures in the left ventricle. A FT might produce focal thickening at its insertion region of the left ventricle, which could be mistaken for focal hypertrophic cardiomyopathy. OBJECTIVES: To perform a prospective, echocardiographic follow-up examination of feline FTs and compare the wall thickness at the FT insertion region and a normal region without FTs at both examinations. ANIMALS: One hundred twenty-eight cats with one or multiple FTs without other cardiac abnormalities or systemic disease...
November 16, 2016: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/27847165/bartonella-associated-inflammatory-cardiomyopathy-in-a-dog
#5
R A Santilli, S Battaia, M Perego, M Tursi, E Grego, C Marzufero, P Gianella
A 6-year-old, male, mongrel dog was presented for acute onset of dyspnea and cough. At admission, the dog was cachectic and severely depressed. The electrocardiogram showed a sinus rhythm conducted with left bundle truncular branch block and interrupted by frequent multiform ventricular ectopic beats organized in allorhythmias. Thoracic radiographs revealed a marked cardiomegaly with perihilar edema, whereas transthoracic echocardiography revealed a dilated cardiomyopathy with segmental dyskinesis. Furosemide, enalapril, pimobendan, and mexiletine were prescribed, and a Holter was scheduled after resolution of congestive heart failure...
November 12, 2016: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/27840084/furosemide-continuous-rate-infusion-diluted-with-5-dextrose-in-water-or-hypertonic-saline-in-normal-adult-dogs-a-pilot-study
#6
D Adin, C Atkins, M Papich, T DeFrancesco, E Griffiths, M Penteado, K Kurtz, A Klein
OBJECTIVE: The goal of this study was to investigate the short-term safety and diuretic efficacy of furosemide constant rate infusion (CRI) diluted with 5% dextrose in water (D5W) compared to dilution with 2.4% hypertonic saline in healthy dogs. ANIMALS: Six healthy dogs. METHODS: Dogs were studied in a randomized, blinded, crossover manner. Furosemide 3.3mg/kg was diluted to 2.2mg/mL with either 1.5mL/kg D5W for the DEX method or with 1.0mL/kg D5W and 0...
November 10, 2016: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/27825670/left-atrial-volume-and-function-in-dogs-with-naturally-occurring-myxomatous-mitral-valve-disease
#7
M Höllmer, J L Willesen, A Tolver, J Koch
OBJECTIVE: Myxomatous mitral valve disease (MMVD) induces progressive left atrial (LA) enlargement. The LA modulates left ventricular filling and performance through its reservoir, conduit, and contractile function. Assessment of LA size and function may provide valuable information on the level of cardiac compensation. Left atrial function in dogs with naturally occurring MMVD remains largely unexplored. The objective of this study was to evaluate LA volume and function in dogs with naturally occurring MMVD...
November 5, 2016: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/27815140/transcutaneous-direct-current-cardioversion-in-a-foal-with-lone-atrial-fibrillation
#8
B M Potter, B A Scansen, L K Dunbar, S M Reed, R E Toribio
There are rare published reports of atrial fibrillation (AF) in foals, all of which are associated with structural heart disease or within the adaptive period of newborns. This report describes a 3-month-old Thoroughbred filly with AF and a structurally normal heart on echocardiography. Medical cardioversion of the foal's AF was attempted with three 20mg/kg doses of quinidine sulfate therapy without success. Timed, transcutaneous, direct current cardioversion was successfully performed using adhesive patches on the midthorax in conjunction with intravenous procainamide at a total dose of 20mg/kg...
November 1, 2016: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/27806903/high-pressure-balloon-dilation-in-a-dog-with-supravalvular-aortic-stenosis
#9
A Pinkos, C Stauthammer, R Rittenberg, K Barncord
A 6-month-old female intact Goldendoodle was presented for diagnostic work up of a grade IV/VI left basilar systolic heart murmur. An echocardiogram was performed and revealed a ridge of tissue distal to the aortic valve leaflets at the sinotubular junction causing an instantaneous pressure gradient of 62 mmHg across the supravalvular aortic stenosis and moderate concentric hypertrophy of the left ventricle. Intervention with a high-pressure balloon dilation catheter was pursued and significantly decreased the pressure gradient to 34 mmHg...
October 30, 2016: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/27780697/pulmonary-artery-dissection-causing-haemothorax-in-a-cat-potential-role-of%C3%A2-dirofilaria-immitis-infection-and-literature-review
#10
I Biasato, M Tursi, S Zanet, E Longato, M T Capucchio
A 7-year-old male castrated domestic short-haired cat suddenly died. Gross examination revealed severe right-sided haemothorax with blood clots, four adult filarial nematodes in the blood clots and the caudal vena cava and haemorrhage dissecting into the tunica media of the right pulmonary artery. Histopathological investigation showed fibrosis of the tunica intima and disorganization/fragmentation of the elastic fibres accompanied by fibrous tissue deposition in the tunica media of both branches of pulmonary artery...
October 22, 2016: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/27769725/structural-and-molecular-pathology-of%C3%A2-the%C3%A2-atrium-in-boxer-arrhythmogenic-right-ventricular-cardiomyopathy
#11
J Vila, R Pariaut, N S Moïse, E M Oxford, P R Fox, C A Reynolds, C Saelinger
OBJECTIVE: To investigate the expression and distribution of desmosomal and gap junction proteins of the intercalated disc in the atria of boxers with arrhythmogenic right ventricular cardiomyopathy (ARVC). ANIMALS: Nineteen control dogs and 13 boxers with histopathologically confirmed ARVC. METHODS: Right and left atrial samples were examined using immunofluorescence and Western blots. The intercalated disc proteins investigated included total and phosphorylated connexin43 (Cx43 and pCx43), connexin45, connexin40, plakoglobin, plakophilin-2, desmoplakin, and N-cadherin...
October 18, 2016: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/27760722/corrigendum-to-gentile-solomon-jm-abbott-ja-conventional-echocardiographic-assessment-of-the-canine-right-heart-reference-intervals-and-repeatability-j-vet-cardiol-18-3-2016-234-247
#12
J M Gentile-Solomon, J A Abbott
No abstract text is available yet for this article.
October 16, 2016: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/27720380/twenty-four-hour-holter-monitoring-in%C3%A2-finishing-cattle-housed-outdoors
#13
D A Frese, J D Thomason, C Reinhardt, S Bartle, D Rethorst, G H Loneragan, D Thomson
INTRODUCTION: Atrial premature complexes have been reported to be the most common arrhythmia in cattle and is suspected to be secondary to systemic disease, especially gastrointestinal disease. In order to properly identify pathologic arrhythmia in cattle, the normal rhythm and arrhythmia prevalence should be defined. The objective of this study was to determine the normal heart rate, rhythm, number of ventricular premature complexes (VPCs), and atrial premature complexes (APCs) in unrestrained Angus steers...
October 6, 2016: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/27670068/canine-pulmonary-vein-to-pulmonary-artery-ratio-echocardiographic-technique-and-reference-intervals
#14
F Birettoni, D Caivano, V Patata, N S Moïse, C Guglielmini, M Rishniw, F Porciello
OBJECTIVES: The size of the pulmonary veins (PVs) and pulmonary arteries (PAs) changes in response to hemodynamic alterations caused by physiological events and disease. We sought to create standardized echocardiographic methods for imaging the right ostium of the pulmonary veins (RPVs) and the right pulmonary artery (RPA) using specific landmarks and timing to quantify vessel diameters and phasic changes during the cardiac cycle. ANIMALS: Fifty client-owned healthy dogs prospectively recruited...
September 23, 2016: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/27667689/right-ventricular-involvement-in-feline-hypertrophic-cardiomyopathy
#15
K E Schober, S I Savino, V Yildiz
OBJECTIVES: To evaluate right ventricular (RV) wall thickness and chamber dimensions in cats with hypertrophic cardiomyopathy (HCM). ANIMALS: One hundred fifty-one healthy control cats and 200 cats with HCM. METHODS: Retrospective, observational, clinical cohort study. Two-dimensional echocardiograms from all cats were analyzed. Right atrial diameter, RV free wall thickness, and RV chamber diameter were quantified using multiple imaging views...
September 22, 2016: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/27665537/usefulness-of-dyssynchrony-indices-based-on-two-dimensional-speckle-tracking-echocardiography-in-a-canine-model-of-left-bundle-branch-block
#16
Y Mochizuki, R Suzuki, T Teshima, H Matsumoto, N Panthee, S Sugiura, T Hisada, H Koyama
INTRODUCTION: Determine the usefulness of dyssynchrony indices derived from two-dimensional speckle tracking echocardiography for the detection of mechanical dyssynchrony in a canine model of left bundle branch block. ANIMALS: Ten healthy beagles. MATERIALS AND METHODS: Segmental, time-radial strain curves were obtained using two-dimensional speckle tracking echocardiography. The maximum difference and standard deviation of the time to peak radial strain for six predefined segments (MaxD-TpSR and 6SD-TpSR) were calculated, together with the left ventricular dyssynchrony by radial strain (DysSR), before and after ablation of the left bundle branch block...
September 21, 2016: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/27639515/hypovolemia-induced-systolic-anterior-motion-of-the-mitral-valve-in-two-dogs
#17
K Hammes, J Novo Matos, M Baron Toaldo, T Glaus
Systolic anterior (septal) motion of the mitral valve (SAM) is a common secondary phenomenon in hypertrophic cardiomyopathy (HCM) in people and cats. In humans, it is increasingly recognized that SAM may be found in other cardiac and non-cardiac disease states. In small animal cardiology, SAM unassociated with HCM has been described in dogs with mitral valve dysplasia and right ventricular pressure overload. In this report, we describe two cases of dogs where transient SAM was caused by hypovolemia. When SAM was present both dogs showed pseudohypertrophy and tachycardia...
September 14, 2016: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/27693045/use-of-ecg-gated-computed-tomography-echocardiography-and-selective-angiography-in-five-dogs-with-pulmonic-stenosis-and-one-dog-with-pulmonic-stenosis-and-aberrant-coronary-arteries
#18
P Laborda-Vidal, B Pedro, M Baker, A R Gelzer, J Dukes-McEwan, T W Maddox
Pulmonic stenosis (PS) is the most common congenital cardiac disease in dogs. Boxers and English bulldogs are among the most commonly affected breeds and also commonly associated with an aberrant coronary artery (CA). If an aberrant CA is suspected and balloon valvuloplasty indicated, an intra-operative angiography is recommended prior to the procedure. ECG-gated computed tomography (CT) can be used to screen for CA anomalies in a quick and minimally-invasive way (preventing side effects associated with selective catheter angiography) and allowing early planning of the procedure...
December 2016: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/27665538/alternative-methods-for-the-measurement-of-the-minimal-ductal-diameter-of-a-patent-ductus-arteriosus-in-a-dog
#19
R A Sanders, N B Olivier
A two and half-year-old, 24 kg, spayed female German Shepherd was presented for evaluation of a suspected patent ductus arteriosus (PDA). Transthoracic echocardiographic examination confirmed a left to right shunting PDA. Closure of the PDA was recommended, and the owners elected to have minimally invasive transcatheter closure of the PDA performed. Standard ductal angiography failed to provide adequate measurements of the minimal ductal diameter (MDD). Alternative methods of measuring the MDD using an angiography catheter and a balloon catheter were performed...
December 2016: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/27613648/single-dose-pharmacokinetics-and-cardiovascular-effects-of-oral-pimobendan-in-healthy-cats
#20
M Yata, A J McLachlan, D J R Foster, A S Hanzlicek, N J Beijerink
INTRODUCTION: To investigate the pharmacokinetics and pharmacodynamics of oral pimobendan in conscious, healthy cats. ANIMALS: Eight healthy adult cats. MATERIALS AND METHODS: A randomised, single-blinded, crossover design was used. Two oral doses of pimobendan (0.625-mg [LD], 1.25-mg [HD]) and a control substance (3-mL water) were administered to each cat. Blood collection, echocardiography, and oscillometric blood pressure measurements were performed repeatedly for 12 h following each dose...
December 2016: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
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