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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/29945777/electrocardiographic-confirmation-of-a-twin-pregnancy-in-a-mare-at-8-months-of-gestation
#1
Lisse Vera, Annelies Decloedt, Glenn Van Steenkiste, Dominique De Clercq, Jan Govaere, Gunther van Loon
A 15-year-old Warmblood mare, at 8 months of gestation, was presented to the Ghent University Faculty of Veterinary Medicine for evaluation of suspected stage one labor. Transrectal ultrasonography revealed no clear signs of placentitis or stage one labor. The combined thickness of uterus and placenta was 11 mm and the cervix was closed. Twin pregnancy was suspected by transabdominal ultrasonography but could not be confirmed with certainty. An electrocardiogram (ECG) was recorded from the mare's abdominal wall to register a fetal ECG...
June 23, 2018: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/29921518/interbreed-variation-in-serum-serotonin-5-hydroxytryptamine-concentration-in-healthy-dogs
#2
K Höglund, J Häggström, S Hanås, A-C Merveille, V Gouni, M Wiberg, J Lundgren Willesen, K Mc Entee, L Mejer Sørensen, L Tiret, E H Seppälä, H Lohi, V Chetboul, M Fredholm, A-S Lequarré, I Ljungvall
INTRODUCTION: Serotonin (5-hydroxytryptamine [5-HT]) has several biological functions. In different species, excessive 5-HT has been linked to valvular lesions, similar to those seen in dogs with myxomatous mitral valve disease. Previous studies suggest higher 5-HT in healthy Cavalier King Charles Spaniels (CKCSs), a breed highly affected by myxomatous mitral valve disease, compared to other breeds. OBJECTIVE: To investigate potential interbreed variation in serum 5-HT in healthy dogs...
June 16, 2018: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/29861401/plasma-homocysteine-concentrations-in-healthy-horses-and-horses-with-atrial-fibrillation
#3
K J Mitchell, D De Clercq, M Stirn, G van Loon, C C Schwarzwald
INTRODUCTION: Homocysteine (HCY) is an amino acid produced from methionine metabolism. Plasma homocysteine concentrations ([HCY]p ) are elevated (>13 μmol/L) in people with atrial fibrillation (AF) and can predict the recurrence of AF after cardioversion. This study aimed to validate a commercially available human HCY assay for use in horses to develop reference intervals for [HCY]p and compare [HCY]p in healthy horses and horses with AF. ANIMALS: Healthy horses (n = 27) and horses with AF (n = 55, 34 of which were cardioverted using transvenous electrical cardioversion)...
May 31, 2018: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/29859723/low-energy-ablation-of-anteroseptal-accessory-pathways-in-two-dogs
#4
R A Santilli, D Caivano, R Pariaut, F Birettoni, M Perego, F Porciello, N S Moïse
In humans, accessory pathways (APs) in an anteroseptal and midseptal position are often challenging to ablate because of their close proximity with the conduction pathways of the atrioventricular junction. The use of low-energy ablation techniques can be useful to reduce the risk of permanently damaging the atrioventricular node and the His bundle. This report describes the use of low-energy radiofrequency catheter ablation to successfully and permanently ablate anteroseptal APs in two dogs with orthodromic atrioventricular reciprocating tachycardia...
May 30, 2018: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/29807750/polymerase-chain-reaction-detection-of-bartonella-spp-in-dogs-from-spain-with-blood-culture-negative-infectious-endocarditis
#5
X Roura, G Santamarina, M-D Tabar, O Francino, L Altet
OBJECTIVES: The presence of Bartonella spp. was detected by polymerase chain reaction (PCR) in dogs from Spain with blood culture-negative endocarditis. The aim of this study is to add information about canine infectious endocarditis in Europe. ANIMALS: Thirty dogs with naturally occurring blood culture-negative endocarditis were examined from 2010 to 2017 at three veterinary referral hospitals, located in northwest, northeast, and southeast of Spain. METHODS: It is a retrospective study...
May 25, 2018: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/29807749/diagnostic-accuracy-of-plasma-atrial-natriuretic-peptide-concentrations-in-cats-with-and-without-cardiomyopathies
#6
Y Heishima, Y Hori, K Nakamura, Y Yamashita, N Isayama, N Kanno, M Katagi, H Onodera, S Yamano, Y Aramaki
OBJECTIVES: Plasma atrial natriuretic peptide (ANP) levels have been reported to be elevated in cats with cardiomyopathy. We investigated the diagnostic accuracy of plasma ANP concentration as an indicator of the severity of cardiomyopathies. ANIMALS: This study included 78 control cats and 83 cats with various types of cardiomyopathy. METHODS: This was a prospective multicentre study. Control cats were determined to have a normal heart, and diseased cats were diagnosed by echocardiography...
May 25, 2018: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/29754880/prognostic-value-of-mitral-annular-systolic-plane-excursion-and-tricuspid-annular-plane-systolic-excursion-in-cats-with-hypertrophic-cardiomyopathy
#7
Ilaria Spalla, Jessie Rosie Payne, Kieran Borgeat, Virginia Luis Fuentes, David John Connolly
INTRODUCTION: Hypertrophic cardiomyopathy (HCM) has a variable prognosis; left atrial size, presence of clinical signs and left ventricular systolic function have been shown to predict outcomes. Mitral annular plane systolic excursion (MAPSE) and tricuspid annular plane systolic excursion (TAPSE) assess longitudinal ventricular systolic function and are decreased in cats with HCM. The aim of the study was to ascertain whether MAPSE and TAPSE have prognostic value in HCM and if cats with pleural effusion have lower MAPSE and TAPSE than cats with pulmonary oedema...
June 2018: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/29730195/transient-myocardial-thickening-in-a-bartonella-henselae-positive-cat
#8
J L Joseph, E M Oxford, R A Santilli
A 3-year-old castrated male domestic shorthair presented to the Cornell University Hospital for Animals for acute onset respiratory distress. Thoracic radiographs, echocardiogram, and electrocardiogram (ECG) revealed left-sided congestive heart failure, myocardial thickening with left atrial dilation, and sinus rhythm conducted with a left bundle branch block, respectively. Cardiac troponin I was elevated and continued to increase over 36 h (1.9 ng/mL, 3.1 ng/mL, and 3.5 ng/mL, sequentially every 12 h)...
June 2018: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/29724584/stereotactic-body-radiation-therapy-for-heart-base-tumors-in-six-dogs
#9
L M Magestro, T L Gieger, M W Nolan
INTRODUCTION: Heart-base tumors are increasingly treated with radiotherapy, yet safety and efficacy are incompletely understood. This case series describes outcomes after stereotactic body radiation therapy (SBRT) for presumed chemodectoma. ANIMALS: Six pet dogs. METHODS: A retrospective study was performed, including dogs with a clinical diagnosis of chemodectoma and treatment with three-fraction SBRT (30 Gy total). RESULTS: Heart-base tumors, presumed or confirmed to be chemodectomas, were diagnosed via histopathology or imaging...
June 2018: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/29724583/evaluation-of-tricuspid-annular-plane-systolic-excursion-measured-by-two-dimensional-echocardiography-in-healthy-dogs-repeatability-reference-intervals-and-comparison-with-m-mode-assessment
#10
L C Visser, D J Sintov, M S Oldach
INTRODUCTION: We sought to determine the feasibility, measurement variability, and within-day repeatability of tricuspid annular plane systolic excursion (TAPSE) measured by two-dimensional echocardiography (2D TAPSE), generate reference intervals for 2D TAPSE, assess agreement and correlation between 2D TAPSE and the conventional TAPSE measured by M-mode echocardiography (MM TAPSE), and to assess the ability of 2D TAPSE to track a drug-induced decrease in right ventricular (RV) function compared with MM TAPSE...
June 2018: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/29709303/assessment-of-longitudinal-systolic-function-using-tissue-motion-annular-displacement-in-healthy-dogs
#11
Marcela Wolf, Stephany B Lucina, Bruna C Brüler, Giovana L R Tuleski, Vinícius B C Silva, Marlos G Sousa
INTRODUCTION: Left ventricular systolic function is one of the main parameters studied in echocardiography. Longitudinal systolic function, however, is less commonly evaluated in routine examinations but may provide early information on systolic dysfunction. The movement of the mitral annulus toward the apex has already been determined as a method for evaluation of longitudinal systolic function in dogs, but the study of this movement by speckle tracking with the tissue motion annular displacement (TMAD) technique has not yet been evaluated...
June 2018: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/29680637/considerations-for-analysis-of-time-to-event-outcomes-subject-to-competing-risks-in-veterinary-clinical-studies
#12
REVIEW
Mark A Oyama, Pamela A Shaw, Susan S Ellenberg
In veterinary medicine, prospective clinical trials are increasingly utilized to address questions regarding effectiveness of therapies and patient prognosis. A large number of these trials involve time-to-event (TTE) endpoints, which require special methods of analysis to handle data in which not all subjects are observed to have the event of interest. Analyses and interpretation of the results can be further complicated when an endpoint of interest is not observed in some patients because they incur a competing risk, such as death from an unrelated cause...
June 2018: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/29573995/investigation-of-ventricular-pre-excitation-electrocardiographic-pattern-in-two-horses-clinical-presentation-and-potential-causes
#13
Judit Viu, Lara Armengou, Annelies Decloedt, Eduard Jose-Cunilleras
Two horses referred to the Unitat Equina, Fundació Hospital Clínic Veterinari, Universitat Autònoma de Barcelona, for unrelated clinical problems, and with no previous history of cardiac disease exhibited an intermittent ventricular pre-excitation electrocardiographic pattern during hospitalization. Both animals showed decreased plasma total and ionized magnesium concentrations, but no other relevant electrolyte disturbances were detected. Altered interventricular septal motion associated with ventricular pre-excitation beats (VPBs) was detected on M-mode echocardiography in both horses...
June 2018: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/29572123/clinical-and-electrocardiographic-presentations-of-transient-trifascicular-block-in-three-cats
#14
Eva M Oxford, Flavia B Giacomazzi, N Sydney Moïse, Roberto A Santilli
This report describes transient trifascicular block in three cats presented with lethargy and inappetence, and elevated cardiac troponin I concentrations. The electrocardiogram (ECG) of cat 1 showed a sinus rhythm with pronounced first-degree atrioventricular (AV) block, right bundle branch block, and left anterior fascicular block. The ECG of cat 2 showed truncular left bundle branch block alternating with left anterior fascicular block coupled with prolonged PR intervals, second-degree heart block, and paroxysmal third-degree AV block...
June 2018: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/29519682/left-subclavian-artery-dissection-associated-with-connective-tissue-abnormalities-resembling-marfan-like-syndrome-in-an-english-bulldog
#15
Ilaria Biasato, Renato Zanatta, Lorella Maniscalco, Rocchina Evangelista, Bryan Iotti, Selina Iussich
The unexpected demise of a 12-year-old male neutered English bulldog solicited a gross examination, which revealed a blood-filled space occurring in the proximal left subclavian artery (LSA). It originated about 1 cm from the branching point of the vessel and progressively dilated for 3 cm distal to this origin. Histopathological investigation showed that the tunica media of the LSA was more than 50% split, with the blood-filled space dissecting through the arterial wall. In the tunica media of the LSA, severe multifocal fragmentation and/or loss of the elastic fibers was observed...
April 2018: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/29503235/tricuspid-annular-plane-systolic-excursion-to-aortic-ratio-provides-a-bodyweight-independent-measure-of-right-ventricular-systolic-function-in-dogs
#16
D Caivano, D Dickson, R Pariaut, M Stillman, M Rishniw
OBJECTIVES: To evaluate whether tricuspid annular plane systolic excursion (TAPSE) can be normalized to aortic valve (Ao) measurements in dogs. To determine TAPSE:Ao reference intervals for healthy dogs and examine diagnostic performance of TAPSE:Ao in dogs with pulmonary hypertension (PH). ANIMALS: One hundred and thirty-seven healthy adult dogs; 115 dogs with myxomatous mitral valve disease (MMVD) but no PH; 91 dogs with PH. METHODS: A combined prospective and retrospective study...
April 2018: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/29500126/extracardiac-intrapericardial-myxosarcoma-causing-right-ventricular-outflow-tract-obstruction-in-a-dog
#17
E T Karlin, V K Yang, M Prabhakar, S L Gregorich, S Hahn, J E Rush
A 13-year-old male castrated pomeranian cross was referred for evaluation of episodes of collapse and a suspected cardiac mass. The presence of a mass at the base of the heart within the pericardial space was confirmed by echocardiography. Additional diagnostics included computed tomography, ultrasound-guided fine-needle aspirate, and thoracic radiographs. The mass was surgically debulked and diagnosed as myxosarcoma via histopathology. This case report describes the diagnostic imaging, laboratory findings, and short-term positive clinical outcome of a dog with a myxosarcoma in a previously undescribed location...
April 2018: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/29483040/pharmacodynamic-assessment-of-diuretic-efficacy-and-braking-in-a-furosemide-continuous-infusion-model
#18
D Adin, C Atkins, M G Papich
INTRODUCTION: Diuretic failure is a potential life-ending event but is unpredictable and poorly understood. The objectives of this study were to evaluate pharmacodynamic markers of furosemide-induced diuresis and to investigate mechanisms of diuretic braking in dogs receiving constant rate infusion (CRI) of furosemide. ANIMALS: Six healthy male dogs. METHODS: Raw data and stored samples from one arm of a previously published study were further analyzed to mechanistically investigate causes of diuretic braking in these dogs...
April 2018: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/29478903/pericardial-effusion-associated-with-systemic-inflammatory-disease-in-seven-dogs-january-2006-january-2012
#19
Heather L Covey, David J Connolly
Pericardial effusion (PE) is reported in dogs as a consequence of neoplasia, primary cardiac disease or as an idiopathic condition. We describe seven dogs with systemic inflammatory disease, PE without tamponade and increased cardiac troponin I concentrations. Echocardiographic findings and adjunctive testing did not identify other known causes of PE. Resolution of the PE was documented in five of seven dogs in which follow-up echocardiography was performed, often after anti-inflammatory therapy. Resolution of PE was associated with normalisation of cardiac troponin I levels...
April 2018: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/29459124/left-atrial-deformation-and-phasic-function-determined-by-two-dimensional-speckle-tracking-echocardiography-in-dogs-with-myxomatous-mitral-valve-disease
#20
D Caivano, M Rishniw, F Birettoni, V Patata, M E Giorgi, F Porciello
INTRODUCTION: Left atrial (LA) function can provide useful information in dogs with myxomatous mitral valve disease (MMVD). Recently, we have demonstrated the feasibility of measuring LA longitudinal deformation using speckle-tracking echocardiography (STE) to estimate LA function in healthy dogs. Whether LA strain and strain rate variables provide additional information about LA function and clinical cardiac status in dogs with MMVD remains unexplored. ANIMALS: Ninety-six client-owned dogs of different breeds with MMVD were prospectively enrolled...
April 2018: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
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