Long-term palliation of right-sided congestive heart failure after stenting a recurrent cor triatriatum dexter in a 10½-year-old pug

Schreiber, Nora E.; Toaldo, Marco Baron; Wolfer, Nadja; Dennler, Mattias; Corona, Daniele; Merz, Imke; Kovačević, Alan; Glaus, T M

doi:10.1016/j.jvc.2022.02.002

Cited by 5 publications

(5 citation statements)

References 23 publications

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“…There is a possibility of iatrogenic damage to cardiovascular structures, which could result in complications such as hemorrhage, embolism, or arrhythmias [ 9 ]. Furthermore, several cases have been reported where additional procedures were required because of re-stenosis after interventional dilation [ 14 , 15 ].…”

Section: Discussionmentioning

confidence: 99%

Partial Venous Inflow Occlusion under Mild Hypothermia for Membranectomy in a Dog with Cor Triatriatum Dexter

Moon,

Kim,

Lee

et al. 2023

Animals

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Cor triatriatum dexter (CTD) is an uncommon congenital cardiac anomaly in dogs. This case report describes successful membranectomy for CTD via partial venous inflow occlusion under mild hypothermia in a dog. A 7-month-old intact male mixed-breed dog weighing 20.5 kg presented with a history of abdominal distention, lethargy, and anorexia. Clinical examination, radiography, echocardiography, microbubble testing, and computed tomography revealed a remnant right atrium membrane obscuring the venous blood inflow from the vena cava. Considering the potential risk of re-stenosis following interventional treatment, curative resection involving surgical membranectomy via venous inflow occlusion was performed. By performing partial venous inflow occlusion under mild hypothermia (34.5 °C), sufficient time was obtained to explore the defect and resect the remnant membrane. The dog recovered without any complications, and the clinical signs were relieved. This case illustrates that partial venous inflow occlusion under mild hypothermia is feasible for achieving curative resection of cor triatriatum dexter in dogs.

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Section: Discussionmentioning

confidence: 99%

Partial Venous Inflow Occlusion under Mild Hypothermia for Membranectomy in a Dog with Cor Triatriatum Dexter

Moon,

Kim,

Lee

et al. 2023

Animals

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“…Third, although the number of healthy dogs we enrolled was higher than that of many previous canine studies aimed at defining echocardiographic RIs ( Lombard, 1984 ; Yuill and O’Grady, 1991 ; Crippa et al ., 1992 ; Morrison et al ., 1992 ; Bayon et al ., 1994 ; Lonsdale et al ., 1998 ; Della Torre et al ., 2000 ; Rishniw and Erb, 2000b ; Hansson et al ., 2002 ; Brown et al ., 2003 ; Jacobson et al ., 2013 ; Strohm et al ., 2018 ; Patata et al ., 2021 ; Wiegel et al ., 2022 ), we did not reach the recommended sample size when defining RIs [i.e., ≥120 subjects ( Friedrichs et al ., 2012 )]. Fourth, we did not evaluate right ventricular echocardiographic variables, which might have been useful in Pugs because right-sided heart diseases have been reported in this breed (e.g., double-chambered right ventricle, pulmonic stenosis, cor triatriatum dexter) ( Fukushima et al ., 2011 ; Kander et al ., 2015 ; Schreiber et al ., 2022 ). Fifth, we did not evaluate the possible relationship between the presence/severity of brachycephalic syndrome and the echocardiographic variables in our study population.…”

Section: Discussionmentioning

confidence: 99%

“…Nowadays, the Pug represents one of the most diffuse brachymorphic canine breeds worldwide ( American Kennel Club, 2022 ; Ente Nazionale Cinofilia Italiana, 2022 ; O’Neill et al ., 2022 ; The Kennel Club, 2022 ). Concomitant to this growing popularity, the presentation of Pugs with cardiac diseases seems also to have increased ( Koie et al ., 2000 ; Fukushima et al , 2011 ; Kander et al ., 2015 ; Guglielmini et al ., 2016 ; Winter et al ., 2019 ; Schreiber et al ., 2022 ). Accordingly, Pugs frequently undergo cardiologic examinations.…”

Section: Introductionmentioning

confidence: 99%

Echocardiographic values in healthy Pugs: Effect of body weight, age, and sex

Romito,

Castagna,

Sabetti

et al. 2023

Open Vet J

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Background: Transthoracic echocardiography represents the main noninvasive technique for evaluating cardiac morphology and function in dogs. In dogs with particular somatotypes, such as brachymorphic dogs, breed-specific echocardiographic values are needed for a proper echocardiographic interpretation. Nowadays, the Pug represents one of the most popular brachymorphic canine breeds worldwide. However, data on echocardiographic measurements in this breed are currently limited. Aim: We aimed to determine echocardiographic values in a population of apparently healthy Pugs, and to assess the possible effects of body weight, age, and sex on selected echocardiographic variables, with particular emphasis on those related to the left-sided cardiac chambers. Methods: Apparently healthy Pugs underwent a full physical examination, a one-minute six-lead electrocardiogram, and a complete transthoracic echocardiography. Twenty-four echocardiographic variables were measured combining M-mode, two-dimensional and Doppler modalities, and relative values were determined by applying the statistical procedures recommended by the Clinical and Laboratory Standards Institute. Moreover, the effect of selected demographic variables on echocardiographic measurements were tested using a linear mixed model. Results: The investigation included 86 Pugs. Echocardiographic values were provided for each variable and compared with previous veterinary literature. A statistically significant effect of body weight (e.g., end-systolic left ventricular diameter and absolute left atrial diameter), age, and sex was documented for several of the tested variables. Doppler examination demonstrated a trivial pulmonary regurgitation in 24/86 (27.9%) Pugs. Moreover, a persistent left cranial vena cava was suspected in 4/86 (4.7%) dogs. Conclusion: Echocardiographic features of the Pug were addressed and echocardiographic values made available for clinical use. Because our findings were obtained using a standardized echocardiographic analysis in a population of 86 healthy Pugs, they may act as a reliable guide for an accurate echocardiographic interpretation in this breed.

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“…Another equally rare indication for stenting is the widening of the opening in the pathological membrane dividing the right atrium—a persistent venous valve in a defect called cor triatriatum dexter. Membrane stenting is an alternative treatment to balloon plasty, which is standard in such cases, albeit is infrequently performed [ 80 , 81 ].…”

Section: Stents In Heart Diseasementioning

confidence: 99%

Stents in Veterinary Medicine

et al. 2023

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Stenting in veterinary medicine has been a rapidly growing method of interventional surgery for several years. This procedure is usually performed in the respiratory and urinary tracts, but there are cases of stenting of blood vessels or gastrointestinal structures. It is based on maintaining the permeability of a given tubular structure, thus allowing the passage of gas or liquid. This procedure is often performed as a first-line treatment in situations where pharmacological agents do not work and as an alternative method, often cheaper than the classically performed ones. There are also cases where stenting is used as a palliative treatment, e.g., to enable defecation in colonic obstruction due to tumour infiltration of the colon wall. Stenting is often a life-saving or comfort-improving procedure for animals, but one should also be aware of possible postoperative complications and be prepared for any adversity. For this reason, this review provides an insight into the current knowledge in veterinary medicine about stenting and the consequences associated with this procedure.

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Long-term palliation of right-sided congestive heart failure after stenting a recurrent cor triatriatum dexter in a 10½-year-old pug

Cited by 5 publications

References 23 publications

Partial Venous Inflow Occlusion under Mild Hypothermia for Membranectomy in a Dog with Cor Triatriatum Dexter

Partial Venous Inflow Occlusion under Mild Hypothermia for Membranectomy in a Dog with Cor Triatriatum Dexter

Echocardiographic values in healthy Pugs: Effect of body weight, age, and sex

Stents in Veterinary Medicine

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