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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/28117226/aortoseptal-angle-and-pressure-gradient-reduction-following-balloon-valvuloplasty-in-dogs-with-severe-subaortic-stenosis
#1
L Shen, A H Estrada, E Côté, M A Powell, B Winter, K Lamb
INTRODUCTION: To determine the relationship between aortoseptal angle (AoSA) and the short- and long-term systolic pressure gradient (PG) reduction following combined cutting and high-pressure balloon valvuloplasty (CB/HPBV) in dogs with severe subaortic stenosis. ANIMALS: Retrospective study of 22 client-owned dogs of various breeds with severe subaortic stenosis (mean left ventricular to aortic PG = 143 mmHg; range = 80-322 mmHg) that underwent CB/HPBV...
January 20, 2017: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/28117225/influence-of-2nd-degree-av-blocks-ecg-recording-length-and-recording-time-on-heart-rate-variability-analyses-in-horses
#2
B H Eggensperger, C C Schwarzwald
OBJECTIVES: To assess the influence of 2nd-degree AV blocks (AVB) on RR interval-based heart rate variability (HRV) variables; to investigate the effect of using PP interval time series and of artifact filtering on HRV analyses; to investigate the influence of electrocardiogram (ECG) recording length and time of recording; and to calculate day-to-day variability and reference intervals of HRV variables. ANIMALS: Thirty healthy adult horses. METHODS: RR and PP interval time series were extracted from 10-h Holter ECGs and an automated filter was applied to the RR time series (RRf)...
January 20, 2017: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/28111139/double-outlet-right-ventricle-with-an-intact-interventricular-septum-and-concurrent-hypoplastic-left-ventricle-in-a-calf
#3
D K Newhard, S W Jung, R L Winter, T Kuca, J Bayne, T Passler
A 3-day-old Hereford heifer calf presented for evaluation of lethargy and dyspnea, with persistent hypoxia despite supplemental oxygen therapy. A grade III/VI right apical systolic murmur was noted during cardiac auscultation. Echocardiography revealed a double-outlet right ventricle with an intact interventricular septum and concurrent hypoplastic left ventricle and tricuspid valve dysplasia. Post-mortem examination revealed additional congenital anomalies of ductus arteriosus, patent foramen ovale, and persistent left cranial vena cava...
January 19, 2017: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/28111138/biologic-variability-of-n-terminal-pro-brain-natriuretic-peptide-in-healthy-dogs-and-dogs-with-myxomatous-mitral-valve-disease
#4
Randolph L Winter, Ashley B Saunders, Sonya G Gordon, Jesse S Buch, Matthew W Miller
INTRODUCTION: To determine the biologic variability of N-terminal pro-brain natriuretic peptide (NTproBNP) in healthy dogs and dogs with various stages of myxomatous mitral valve disease (MMVD). ANIMALS: Thirty-eight privately owned dogs: 28 with MMVD and 10 healthy controls. MATERIALS AND METHODS: Prospective clinical study with comprehensive evaluation used to group dogs as healthy or into three stages of MMVD based on current guidelines...
January 19, 2017: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/28094152/use-of-3d-printer-technology-to-facilitate-surgical-correction-of-a-complex-vascular-anomaly-with-esophageal-entrapment-in-a-dog
#5
A Dundie, G Hayes, P Scrivani, L Campoy, D Fletcher, K Ash, E Oxford, N S Moïse
A 10 week old female intact Staffordshire terrier was presented with a total of five congenital cardio-thoracic vascular anomalies consisting of a patent ductus arteriosus (PDA) with an aneurysmic dilation, pulmonic stenosis, persistent right aortic arch, aberrant left subclavian artery and persistent left cranial vena cava. These abnormalities were identified with a combination of echocardiogram and computed tomography angiography (CTA). The abnormalities were associated with esophageal entrapment, regurgitation, and volume overload of the left heart with left atrial and ventricular enlargement...
January 13, 2017: 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
#6
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/28029581/right-atrial-appendage-aneurysms-in-veal-calves-and-beef-cattle-anatomopathological-investigations-and-aetiopathogenetic-hypotheses
#7
I Biasato, E Biasibetti, S Gili, G Bruatto, A Tarducci, F Guarda, M T Capucchio
OBJECTIVES: Right atrial aneurysms have been reported in bovine species, but a clear aetiopathogenesis has never been elucidated. ANIMALS: One thousand and seventy-nine veal calves (6-9 months old) and 313 beef cattle (10-24 months old) housed in intensive livestock farming systems and regularly slaughtered were included in the present study. METHODS: Hearts were externally examined and the identified right atrial aneurysms were submitted for gross and histopathological investigations...
February 2017: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/27932282/serum-cardiac-troponin-i-in-canine-syncope-and-seizures
#8
E Dutton, J Dukes-McEwan, P J Cripps
OBJECTIVE: To determine if serum cardiac troponin I (cTnI) concentration distinguishes between cardiogenic syncope and collapsing dogs presenting with either generalized epileptic seizures (both with and without cardiac disease) or vasovagal syncope. ANIMALS: Seventy-nine prospectively recruited dogs, grouped according to aetiology of collapse: generalized epileptic seizures (group E), cardiogenic syncope (group C), dogs with both epileptic seizures and cardiac disease (group B), vasovagal syncope (group V) or unclassified (group U)...
February 2017: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/27919727/patent-ductus-arteriosus-in-cats-felis-catus-50-cases-2000-2015
#9
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...
February 2017: 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
#10
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...
February 2017: 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
#11
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...
February 2017: 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
#12
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...
February 2017: 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
#13
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...
February 2017: 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
#14
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...
February 2017: 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
#15
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...
February 2017: 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
#16
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...
February 2017: 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
#17
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...
February 2017: 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
#18
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...
February 2017: 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
#19
J M Gentile-Solomon, J A Abbott
No abstract text is available yet for this article.
December 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
#20
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
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