Balloon dilation of an imperforate cor triatriatum dexter in a Golden Retriever with concurrent double-chambered right ventricle and subsequent evaluation by cardiac magnetic resonance imaging

López-Alvarez, Jordi; Dukes‐McEwan, J.; Martin, Mike W.; Killick, David; Fonfara, Sonja; McConnell, J. Fraser

doi:10.1016/j.jvc.2011.04.004

Cited by 26 publications

(29 citation statements)

References 16 publications

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“…However, the increased resistance impeding caudal venous return will lead to signs of caudal right-sided CHF (i.e., hepatic venous congestion, ascites) without evidence of cranial right-sided CHF signs (i.e., jugular vein distension). If the membrane is imperforated, like in this case, which is described less frequently than the perforated form [3, 8, 9], no communication exists between the two right atrial compartments divided by the anomalous membrane. Thrombotic or nonthrombotic obstruction of the hepatic venous outflow results in the classic triad of hepatomegaly, ascites, and abdominal pain secondary to development of postsinusoidal portal hypertension.…”

Section: Resultsmentioning

confidence: 99%

Imperforated cor triatriatum dexter in a dog with concurrent caudal vena cava wall mineralization

et al. 2017

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BackgroundCor triatriatum dexter (CTD) is a rare congenital cardiac malformation with various manifestations and has been sporadically described in dogs. Clinically the dogs present with nonspecific signs of right heart failure or Budd-Chiari-like syndrome. Other associated concurrent cardiovascular anomalies are commonly reported. Diagnosis and full characterization of this complex malformation requires careful investigation and often a multimodal imaging approach.Case presentationA 10-week-old, male intact, Golden Retriever was presented with clinical signs of stunted growth, anorexia, and progressive ascites. CTD imperforate with sole separation of the caudal vena cava (CdVC) and concurrent venous wall mineralization was conjointly diagnosed and fully characterized by echocardiography, non-selective angiography, computed tomography angiography and cardiac magnetic resonance imaging (MRI). This was successfully treated surgically and the dog returned to normal activity.ConclusionTo the author’s knowledge, this is the first case of CTD imperforate separating the CdVC from the right atrium (RA) with presumed secondary CdCV wall and hepatic parenchyma mineralization reported in a dog. CTD is an important and potentially correctable cause for the development of ascites in a young puppy. Accurate diagnosis of this complex cardiac anomaly is important for selection of the most appropriate curative treatment option.

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Section: Resultsmentioning

confidence: 99%

Imperforated cor triatriatum dexter in a dog with concurrent caudal vena cava wall mineralization

et al. 2017

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“…Balloon dilatation of the fibromuscular obstruction has been described; however, there was little change in the pressure gradients across the obstruction. The patient was doing well clinically one year after the dilatation but required the use of diuretics to manage the condition (López-Alvarez and others 2011). …”

Section: Discussionmentioning

confidence: 99%

Surgical correction of a double‐chambered right ventricle under cardiopulmonary bypass

Elliott¹,

Joubert

2016

Vet Record Case Reports

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A one-year-old golden retriever was presented with a double-chambered right ventricle leading to extreme right ventricular outflow obstruction. The patient was placed on cardiopulmonary bypass, and the defect was corrected by removal of the fibromuscular obstruction and placement of a bovine pericardial patch through a right ventriculotomy. The patient continues to do very well 30 months post surgery.

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“…Some reports indicate only which anaesthetic drugs were used [8, 9, 15, 16]. In our case, the dog was sedated with a combination of a potent opioid (sufentanil) and midazolam in order to preserve the cardiovascular function of the patient [17, 18].…”

Section: Discussionmentioning

confidence: 99%

“…These side effects must always be carefully weighed against their benefits, particularly in terms of sedation and analgesia. Atropine, an anticholinergic drug used to decrease respiratory tract secretions and to treat bradyarrhythmias, was not included in our protocol because of its intrinsic arrhythmogenic potential [23, 24] and the probable tachyarrhythmias that the procedure itself could have caused [9, 15, 16]. …”

Section: Discussionmentioning

confidence: 99%

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Anaesthetic management for balloon dilation of cor triatriatum dexter in a dog

et al. 2015

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A three-month-old female Rottweiler puppy was referred for intravascular correction of a previously identified cor triatriatum dexter. Echocardiography confirmed the presence of a hyperechoic membrane that divided the right atrium into a cranial and caudal chamber. A foramen in this membrane allowed the blood to flow from the caudal to the cranial chamber. Balloon dilation of the defect under transthoracic echocardiographic guidance was scheduled for the following day. The dog was premedicated with 0.5 μg/kg sufentanil and 0.2 mg/kg midazolam administered intravenously. General anaesthesia was induced with 2 mg/kg propofol and maintained with inhaled isoflurane in oxygen; at the same time, a constant rate infusion of 0.5 μg/kg/h sufentanil was administered by means of an infusion pump. Uneventful ventricular and supraventricular tachyarrhythmias developed during the placement of catheters and balloon dilation. At the end of procedure, when the guide wire and balloon catheter were removed, normal sinus rhythm was observed. To the authors’ knowledge, no previous reports have described the anaesthetic management of a balloon dilation procedure for cor triatriatum dexter in dogs.

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Balloon dilation of an imperforate cor triatriatum dexter in a Golden Retriever with concurrent double-chambered right ventricle and subsequent evaluation by cardiac magnetic resonance imaging

Cited by 26 publications

References 16 publications

Imperforated cor triatriatum dexter in a dog with concurrent caudal vena cava wall mineralization

Imperforated cor triatriatum dexter in a dog with concurrent caudal vena cava wall mineralization

Surgical correction of a double‐chambered right ventricle under cardiopulmonary bypass

Anaesthetic management for balloon dilation of cor triatriatum dexter in a dog

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