Complete atrioventricular canal in a dog

Saponaro, Vittorio; Staffieri, Francesco; Franchini, Delia; Crovace, Antonio

doi:10.1016/j.jvc.2010.04.003

Cited by 7 publications

(11 citation statements)

References 18 publications

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“…Additionally, abnormalities of the tricuspid valve similar as to what observed in the presented case were observed in cats, where a large leaflet of the valve was more prominent [7]. Dogs were reported mainly with incomplete AVCD and, strikingly, in much lesser proportion than cats [2][3][4][10][11][12][13][14]. In horses, only complete AVCD cases were described [15][16][17][18].…”

Section: Discussionsupporting

confidence: 63%

“…An atrioventricular canal defect (AVCD) is a rare congenital disorder of the heart characterized by an ostium primum atrial septal defect (ASD), alterations of the ventricular septum, like ventricular septal defect (VSD), and defects in the atrioventricular valves (AV) [1]. It occurs due to the failure of the development of the endocardial cushions during embryogenesis and the persistence of a primitive single AV canal [2].…”

Section: Introductionmentioning

confidence: 99%

“…An AVCD may be partial (incomplete), transient or intermediate, transitional or complete. The difference between them also reflects the severity of the defect [1][2][3][4]. The complete variety results from concurrent large ASD and VSD (i.e.…”

Section: Introductionmentioning

confidence: 99%

“…In veterinary medicine, AVCD has been described in several species: eight pigs [5], 31 cats [1,[6][7][8][9], nine dogs [2][3][4][10][11][12][13][14], and four horses [15][16][17][18]. Factors like oxygen deficiency, viral infection during early pregnancy, nutritional, genetic, and teratogenic factors have been suggested as possible factors triggering the development of this condition and possibly other congenital heart diseases [14,18].…”

Section: Introductionmentioning

confidence: 99%

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A case of a complete atrioventricular canal defect in a ferret

et al. 2021

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Background Atrioventricular canal defect is a rare congenital disorder of the heart and describes the presence of an atrial septal defect, a variable presentation of ventricular septal alterations including ventricular septal defect malformations in the mitral and tricuspid valves. The defect has been described in human beings, dogs, cats, pigs, and horses. Case presentation This paper describes the case of a complete atrioventricular canal defect in a four-year-old intact male pet ferret (Mustela putorius furo), which was presented due to posterior weakness, ataxia, and decreased appetite. A loud systolic murmur, dyspnea, and hind limb paraparesis were detected during the clinical examination. Thoracic radiographs showed generalized cardiomegaly and lung edema. ECG showed sinus rhythm with prolonged P waves and QRS complexes. Echocardiography showed a large atrial septal defect, atrioventricular dysplasia, and a ventricular septal defect. Palliative treatment with oxygen, furosemide, spironolactone, enalapril, diltiazem, and supportive care was chosen as the therapy of choice. The ferret recovered gradually during hospitalization. A follow-up examination at three and six months showed stabilization of cardiac function. Conclusions To the authors knowledge, this is the first time an atrioventricular canal defect has been described in a pet ferret.

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Section: Discussionsupporting

confidence: 63%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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A case of a complete atrioventricular canal defect in a ferret

et al. 2021

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“…Endocardial cushion defects have been reported in both cats and dogs [126,[134][135][136], without any apparent breed or sex predisposition. In our experience, this disease is more frequently seen in cats than in dogs.…”

Section: Endocardial Cushion Defectmentioning

confidence: 99%

Congenital Cardiopathies

Bussadori¹,

Pradelli²

2015

Clinical Echocardiography of the Dog and Cat

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Rare atrioventricular septal defects in veterinary species: Complete atrioventricular septal defect in a dog and double‐outlet right atrium in a cat

Saunders¹

2021

Vet Record Case Reports

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Case 1: A 9‐year‐old Yorkshire terrier mix was referred for evaluation of heart failure presumed to be secondary to myxomatous mitral valve disease. Case 2: A 6‐year‐old Domestic Longhair cat was referred for evaluation of heart failure presumed to be secondary to hypertrophic cardiomyopathy. Thoracic radiographs revealed pulmonary overcirculation suggestive of a cardiac shunt in both cases. Echocardiographic findings confirmed the diagnosis of rare atrioventricular septal defects (AVSDs): complete AVSD (case 1) and double‐outlet right atrium (case 2). Complete AVSDs are rare congenital cardiac defects in veterinary species that result from inappropriate embryogenesis of the atrioventricular septum. Sequelae include congestive heart failure and possibly shunt reversal due to concomitant pulmonary hypertension. Few veterinary reports describe the natural timeline of this condition and outcomes. This report describes both a dog and cat that presented symptomatic in adulthood, were diagnosed via echocardiography and medically managed long‐term.

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Complete atrioventricular canal in a dog

Cited by 7 publications

References 18 publications

A case of a complete atrioventricular canal defect in a ferret

A case of a complete atrioventricular canal defect in a ferret

Congenital Cardiopathies

Rare atrioventricular septal defects in veterinary species: Complete atrioventricular septal defect in a dog and double‐outlet right atrium in a cat

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