Ultrasonography of the Heart

Schwarzwald, Colin C.

doi:10.1002/9781118798119.ch22

Cited by 3 publications

(4 citation statements)

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“…Perivalvular aortic myocardial abscess formation has been previously reported in humans and dogs, mostly due to IE of the aortic valve (Aguado et al, 1993;Sattar & Widrich, 2021). Similarly in horses, abscess formation at the aortic root associated with IE of the aortic valve has been reported (Schwarzwald, 2014). In that case, a 3-year-old mare, an aortic root abscess resulting in marked thickening of the aortic wall and periaortic tissues was identified on echocardiography.…”

Section: Discussionmentioning

confidence: 78%

“…Two cases of intramyocardial abscessation have been reported in horses. An abscess in the free wall of the right ventricle was described in a Thoroughbred foal (Jackson et al, 2008), and an aortic root abscess within the sinus of Valsalva was described in a 3‐year‐old mare with concomitant infective endocarditis (IE; Schwarzwald, 2014). This is the first report of a myocardial abscess in the intraventricular septum of a horse and describes the clinical, electrocardiographic, ultrasonographic and histopathological findings.…”

Section: Introductionmentioning

confidence: 99%

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Septal myocardial abscess in a Thoroughbred mare

Suzuki¹,

Kato²,

Yamaga³

et al. 2023

Equine Veterinary Education

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An 11-year-old multiparous Thoroughbred mare with a history of colic was referred for further evaluation. Clinical findings at the time of initial examination included arrhythmia, tachycardia, tachypnoea and hypothermia without marked signs of abdominal pain.Electrocardiography revealed ventricular tachycardia at a rate of 211 beats/min. Lidocaine was administered as a constant rate infusion to treat the arrhythmia, and the heart rate and rhythm were normalised. There were no abnormal findings on ultrasonography of the abdomen and thorax. An echocardiographic examination revealed a hypoechoic spherical area within the muscular part of the intraventricular septum. Unfortunately, the mare died suddenly 3 days after treatment. Post-mortem examination confirmed the presence of an encapsulated abscess in the intraventricular septum. Staphylococcus aureus and Staphylococcus chromogenes were isolated from the lesion. It was thought to be responsible for the arrhythmia seen in this case. This is the first case of a septal myocardial abscess in a horse.

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Section: Discussionmentioning

confidence: 78%

Section: Introductionmentioning

confidence: 99%

Septal myocardial abscess in a Thoroughbred mare

Suzuki¹,

Kato²,

Yamaga³

et al. 2023

Equine Veterinary Education

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“…Wiederholte Untersuchungen sollten wenn möglich durch dieselbe Person durchgeführt werden, um die Vergleichbarkeit der Studien und Messungen zu gewährleisten. Details zur echokardiographischen Untersuchung des Pferdeherzens können anderswo entnommen werden (Reef, 1998;Marr und Bowen, 2010;Schwarzwald, 2014).…”

Section: Indikationen Für Weiterführende Kardiologische Abklärungenunclassified

“…Die Intensität von Herzgeräuschen korreliert nicht immer mit dem Schweregrad der Klappeninsuffizienz oder der Grösse eines VSDs, insbesondere bei musikalischen Geräuschen oder beim Vorhandensein eines kongestiven Herzversagens. Auch lässt eine Veränderung der Lautstärke eines Herz- (Reef, 1998;Bonagura et al, 2010;Marr und Bowen, 2010;Schwarzwald, 2014 (Young et al, 2008) und Lebenserwartung (Reef, 1995b;Gehlen et al, 2007;Stevens et al, 2009;Imhasly et al, 2010) (Reef, 1995b;Reef et al, 1998).…”

Section: Indikationen Für Weiterführende Kardiologische Abklärungenunclassified

Heart disease in sports horses: Current recommendations of the 2014 ACVIM / ECEIM consensus statement

Schwarzwald

2016

SAT

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Heart murmurs and arrhythmias are common in horses. Assessment of their clinical relevance concerning health, performance, safety and longevity of sports horses is of highest importance. A comprehensive cardiovascular examination is crucial for diagnosis and assessment of the severity of disease. Recently, an expert panel of the American College of Veterinary Internal Medicine (ACVIM) and the European College of Equine Internal Medicine (ECEIM) developed a consensus statement containing recommendations for sports horses with heart disease. This article summarizes the most relevant recommendations for practitioners, considering the most common and most important cardiac disorders in adult sports horses. These include mitral, aortic and tricuspid insufficiency, ventricular septal defects, atrial fibrillation as well as supraventricular and ventricular arrhythmias. Despite the fact that most horses with cardiovascular disease maintain a sufficient performance capacity, regular evaluations are indicated in horses with clinically relevant disorders. Under certain circumstances, horses with moderate to severe structural disease, with persistent untreated atrial fibrillation and with certain ventricular arrhythmias might still be used by informed adult riders. Horses with complex ventricular arrhythmias, pulmonary hypertension or congestive heart failure must not be ridden or driven and should be retired.

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