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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/29153849/cutting-balloon-and-high-pressure-balloon-dilation-for-palliative-treatment-of-congenital-double-chambered-right-ventricle-and-primary-infundibular-stenosis-in-a-golden-retriever-dog
#1
Karsten E Schober, Jaylyn Rhinehart, Rebecca Kohnken, John D Bonagura
Combined cutting balloon and high-pressure balloon dilation was performed in a dog with a double-chambered right ventricle and severe infundibular stenosis of the right ventricular outflow tract. The peak systolic pressure gradient across the stenosis decreased by 65% after dilation (from 187 mmHg before to 66 mmHg after) affirming the intervention as successful. However, early re-stenosis occurred within 3 months leading to exercise intolerance, exercise-induced syncope, and right-sided congestive heart failure...
November 16, 2017: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/29097107/echocardiographic-imaging-options-in-ovine-research-subjects
#2
M Colpitts, M Malinowski, R Phillion, R Coleman, L Mitchell, A Malone, L Eberhart, R Sanders, D Langholz
OBJECTIVES: To determine the feasibility of acquiring quality transesophageal (TEE), epicardial (EE), and intracardiac (ICE) echocardiographic images in ovine subjects and to discuss the merits of each technique with a focus on ICE image acquisition. ANIMALS: Eleven male castrated Dorset adult sheep. METHODS: Transesophageal echocardiography was performed under general anesthesia. Epicardial echocardiography was performed as part of an open chest (thoracotomy or sternotomy) experiment...
October 30, 2017: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/29089263/successful-balloon-angioplasty-of-pulmonary-artery-stenosis-in-two-cats%C3%A2-and%C3%A2-associated-complications
#3
Donald P Schrope, William D Tyrrell, Kristin A Jacob
Two cats (2.5 months and 8 months old) were each evaluated due to a loud systolic murmur, and each was diagnosed with severe pulmonary artery stenosis at the bifurcation of the main pulmonary artery. Echocardiograms confirmed significant right atrial dilation and right ventricular dilation and/or hypertrophy that was progressive in one cat. Atenolol was initiated and the cats were referred for interventional therapy. Balloon angioplasty was performed via the jugular vein. In case 1, the pressure gradient across the stenosis was reduced from 169...
October 28, 2017: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/29111287/transcatheter-closure-of-a-small-atrial-septal-defect-with-an-amplatzer%C3%A2-patent-foramen-ovale-occluder-in-a-working-dog-with-cyanosis-and-exercise-intolerance-at-high-altitude
#4
A Shelden, S Wesselowski, S G Gordon, A B Saunders
A 6.5-year-old male Border Collie presented for transcatheter closure of an atrial septal defect due to exercise intolerance and cyanosis while working and training at altitude. A small, left-to-right shunting secundum atrial septal defect was confirmed with no evidence of significant right-sided volume overload. Pulmonary hypertension with subsequent right-to-left interatrial shunting occurring during exercise at high altitude was suspected and prompted the closure of the defect due to the dog's continued athletic requirements...
October 27, 2017: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/29111286/role-of-computed-tomography-angiography-in-the-differentiation-of-feline-truncus-arteriosus-communis-from-pulmonary-atresia-with-ventricular-septal-defect
#5
Lauren E Markovic, Brian A Scansen, Brianna M Potter
Two domestic shorthair cats, a 6-month-old castrated male and a 7-month-old intact female, were diagnosed with complex congenital heart disease. Transthoracic echocardiography in both cats revealed a dilated arterial trunk overriding the interventricular septum with a large ventricular septal defect. The pulmonary trunk and branch pulmonary arteries were not visible using standard echocardiographic views in either cat. The differential diagnosis for both cats included truncus arteriosus communis vs. pulmonary atresia with ventricular septal defect...
October 27, 2017: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/29111285/reference-values-of-two-dimensional-and-m-mode-echocardiographic-measurements-as-a-function-of-body-size-in-various-equine-breeds-and-in-ponies
#6
A Al-Haidar, N Moula, A Leroux, F Farnir, S Deleuze, C Sandersen, H Amory
INTRODUCTION: The aim of this study was to establish echocardiographic reference values for the equine species using allometric regression equations based on body weight (BW) and thoracic circumference (TC). ANIMALS: A total of 239 horses or ponies were studied, including 65 warmbloods, 33 Standardbreds, 41 Thoroughbreds, 32 Arabian horses, 28 draft horses, and 40 ponies aged from 1 day to 30 years, weighing from 18 to 890 kg, with no evidence of cardiac disease...
October 27, 2017: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/29111284/two-dimensional-echocardiographic-estimates-of-left-atrial-function-in-healthy-dogs-and-dogs-with-myxomatous-mitral-valve-disease
#7
David Dickson, Domenico Caivano, Jose Novo Matos, Nuala Summerfield, Mark Rishniw
OBJECTIVES: To provide reference intervals for 2-dimensional linear and area-based estimates of left atrial (LA) function in healthy dogs and to evaluate the ability of estimates of LA function to differentiate dogs with subclinical myxomatous mitral valve disease (MMVD) and similarly affected dogs with congestive heart failure (CHF). ANIMALS: Fifty-two healthy adult dogs, 88 dogs with MMVD of varying severity. METHODS: Linear and area measurements from 2-dimensional echocardiographs in both right parasternal long and short axis views optimized for the left atrium were used to derive estimates of LA active emptying fraction, passive emptying fraction, expansion index, and total fractional emptying...
October 27, 2017: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/28988688/plasma-n-terminal-pro-brain-natriuretic-peptide-concentrations-before-and-after-pericardiocentesis-in-dogs-with-cardiac-tamponade-secondary-to-spontaneous-pericardial-effusion
#8
R D Baumwart, A S Hanzlicek, S D Lyon, P M Lee
OBJECTIVE: To determine if concentrations of plasma N-terminal pro-brain natriuretic peptide (NT-proBNP) are increased in dogs with cardiac tamponade and if there is a significant increase in plasma NT-proBNP after pericardiocentesis. ANIMALS: Ten client-owned dogs with spontaneous cardiac tamponade. METHODS: Prospective clinical study. Cardiac tamponade was suspected from physical examination and confirmed with echocardiography. Blood was collected and plasma NT-proBNP concentrations were measured before and 30-60 min following pericardiocentesis and resolution of cardiac tamponade...
October 2017: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/28965673/european-society-of-veterinary-cardiology-screening-guidelines-for-dilated-cardiomyopathy-in-doberman-pinschers
#9
REVIEW
G Wess, O Domenech, J Dukes-McEwan, J Häggström, S Gordon
BACKGROUND: Dilated cardiomyopathy (DCM) is the most common cardiac disease in large breed dogs and is inherited in Doberman Pinschers with a high prevalence (58%). OBJECTIVE: The European Society for Veterinary Cardiology convened a task force to formulate screening guidelines for DCM in Dobermans. RECOMMENDATIONS: Screening for occult DCM in Dobermans should start at three years of age and use both Holter monitoring and echocardiography...
October 2017: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/28964709/anatomic-regurgitant-orifice-area-obtained-using-3d-echocardiography-as-an-indicator-of-severity-of-mitral-regurgitation-in-dogs-with-myxomatous-mitral-valve-disease
#10
S Müller, G Menciotti, M Borgarelli
OBJECTIVES: To determine feasibility and repeatability of measuring the anatomic regurgitant orifice area (AROA) using real-time three-dimensional transthoracic echocardiography (RT3DE) in dogs with myxomatous mitral valve disease (MMVD), and to investigate differences in the AROA of dogs with different disease severity and in different American College of Veterinary Internal Medicine (ACVIM) stages. ANIMALS: Sixty privately-owned dogs diagnosed with MMVD. METHODS: The echocardiographic database of our institution was retrospectively searched for dogs diagnosed with MMVD and RT3DE data set acquisition...
October 2017: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/28958795/heart-rate-turbulence-after-ventricular-premature-beats-in-healthy-doberman-pinschers-and-those-with-dilated-cardiomyopathy
#11
J D Harris, C J L Little, J M Dennis, M W Patteson
OBJECTIVES: To describe the measurement of heart rate turbulence (HRT) after ventricular premature beats and compare HRT in healthy Doberman pinschers and those with dilated cardiomyopathy (DCM), with and without congestive heart failure (CHF). ANIMALS: Sixty-five client-owned Dobermans: 20 healthy (NORMAL), 31 with preclinical DCM and 14 with DCM and CHF (DCM + CHF). METHODS: A retrospective study of data retrieved from clinical records and ambulatory ECG (Holter) archives, including data collected previously for a large-scale prospective study of Dobermans with preclinical DCM...
October 2017: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/28943125/electrocardiographic-echocardiographic-and-left-atrial-strain-imaging-features-of-a-dog-with-atrial-flutter-and-third-degree-atrioventricular-block
#12
M Baron Toaldo, G Romito, M Cipone, A Diana, M Tursi
A 14-year-old American Staffordshire terrier was presented for episodes of exercise-induced syncope. At admission, atrial flutter coupled to third-degree atrioventricular block was diagnosed electrocardiographically. On the second day of hospitalization, surface electrocardiogram revealed spontaneous conversion to sinus rhythm with persistence of atrioventricular block. Complete transthoracic echocardiograms were performed after each electrocardiographic examination. The combined use of conventional echocardiography with tissue Doppler imaging-based modalities allowed to investigate the atrial electromechanical correlation and function during typical atrial flutter and after its resolution...
October 2017: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/28939249/sudden-cardiac-death-in-a-dog-during-holter-recording-r-on-t-phenomenon
#13
T Gunasekaran, R A Sanders
A 6-year-old castrated male Golden Retriever was diagnosed with severe subaortic stenosis with severe left atrial enlargement and high heart rate due to atrial fibrillation. Treatment with digoxin and diltiazem to control ventricular response rate was initiated. Ambulatory electrocardiographic monitoring (Holter monitoring) was performed at the beginning of treatment and was repeated to evaluate the patient's response to drug therapy. Drug dose adjustments were made based on response to therapy as assessed by Holter monitoring...
October 2017: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/28887041/partial-anomalous-pulmonary-venous-connection-in-a-dog
#14
Chloe L Thorn, Naomi R Ford, Meg M Sleeper
A 2-year-old male intact Belgian Malinois was presented for exercise intolerance. A grade III/VI left basilar systolic murmur was detected. Echocardiography revealed moderate right atrial and ventricular dilation and increased pulmonic outflow velocity. Thoracic radiographs showed right heart enlargement and a dilated caudal vena cava. In addition, on the left lateral projection, an enlarged aberrant right cranial pulmonary lobar vein was suspected to be diverging ventrally from the course of the right cranial lobar bronchus and inserting more ventrally than normal in the region of the right atrium...
October 2017: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/28882531/primary-cardiac-tumor-presenting-as-left-ventricular-outflow-tract-obstruction-and-complex-arrhythmia
#15
R Fries, S Achen, M T O'Brien, N D Jackson, S Gordon
An adult female mixed breed dog presented for recurrent collapsing episodes over several weeks. Holter evaluation revealed periods of sinus arrest and echocardiography identified a soft tissue mass with subsequent severe dynamic obstruction of the left ventricular outflow tract. The patient was euthanized five days after presentation for severe dyspnea. Necropsy revealed an irregular mass circumferentially lining the left ventricular outflow tract as well as multiple myocardial metastases. The final diagnosis was an undifferentiated pleomorphic endocardial sarcoma...
October 2017: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/28755868/assessment-of-left-ventricular-function-in-healthy-great-danes-and-in-great-danes-with-dilated-cardiomyopathy-using-speckle-tracking-echocardiography
#16
B Pedro, H Stephenson, C Linney, P Cripps, J Dukes-McEwan
OBJECTIVES: Assess global circumferential and radial systolic and diastolic myocardial function with speckle tracking echocardiography (STE) in healthy Great Danes (GD) and in GD diagnosed with dilated cardiomyopathy (DCM). ANIMALS: Eighty-nine GD were included in the study: 39 healthy (normal group [NORMg]) and 50 diagnosed with DCM (DCMg). METHODS: This was a retrospective study. Signalment and echocardiographic diagnosis were obtained from the medical records of GD assessed between 2008 and 2012...
August 2017: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/28739084/the-repeatability-and-characteristics-of-right-ventricular-longitudinal-strain-imaging-by-speckle-tracking-echocardiography-in-healthy-dogs
#17
T Morita, K Nakamura, T Osuga, N Yokoyama, N Khoirun, K Morishita, N Sasaki, H Ohta, M Takiguchi
INTRODUCTION: To assess the repeatability and characteristics of echocardiographic indices of the right ventricular (RV) function derived from speckle-tracking echocardiography. ANIMALS: Fourteen laboratory Beagles and 103 privately owned dogs without cardiac disease were involved in this study. MATERIALS AND METHODS: Right ventricular longitudinal strain, strain rate, and a strain-related index for assessing RV dyssynchrony derived from speckle-tracking echocardiography were obtained by two different observers using five Beagles...
August 2017: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/28734620/treatment-of-dogs-with-compensated-myxomatous-mitral-valve-disease-with-spironolactone-a-pilot-study
#18
M J Hezzell, A Boswood, J López-Alvarez, N Lötter, J Elliott
OBJECTIVES: Spironolactone improves outcome in dogs with advanced myxomatous mitral valve disease (MMVD). Its efficacy in preclinical MMVD is unknown. The hypothesis was the administration of spironolactone to dogs with compensated MMVD demonstrating risk factors for poorer prognosis will decrease the rate of disease progression. The aim was to provide pilot data to evaluate preliminary effects and sample size calculation for a definitive clinical trial. ANIMALS: Twenty-five client-owned dogs with MMVD with at least one of the following; left atrial to aortic ratio (LA:Ao) ≥ 1...
August 2017: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/28666945/prevalence-and-diagnostic-characteristics-of-non-clinical-mitral-regurgitation-murmurs-in-north-american-whippets
#19
R L Stepien, H B Kellihan, V Luis Fuentes
OBJECTIVES: To assess the prevalence of functional ejection murmurs and murmurs of mitral regurgitation (MR) due to myxomatous mitral valve disease in healthy whippets; to assess the diagnostic value of auscultation to detect MR; and investigate the relationship between age and presence of echocardiographically documented MR (MRecho). ANIMALS: A total of 200 healthy client-owned Whippets, recruited at national shows between 2005 and 2009 were involved in this study...
August 2017: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/28615148/echocardiographic-assessments-of%C3%A2-longitudinal-left-ventricular-function-in%C3%A2-healthy-english-springer-spaniels
#20
D Dickson, R Shave, M Rishniw, M Patteson
OBJECTIVES: To establish reference intervals for echocardiographic measures of longitudinal left ventricular function in adult English Springer spaniel (ESS) dogs. ANIMALS: This study involved 42 healthy adult ESS. METHODS: Animals were prospectively recruited from a general practice population in the United Kingdom. Dogs were examined twice, at least 12 months apart, to exclude dogs with progressive cardiac disease. Mitral annular plane systolic excursion, tissue Doppler imaging mitral annular velocities and two-dimensional speckle-tracking echocardiographic left ventricular longitudinal strain and strain rate were measured...
August 2017: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
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