Pectus carinatum in a dog

Souza, Diogo Benchimol de; Júnior, Pontes; Mariano, Carlos; Costa, Fabio; Abílio, Edmundo Jorge

doi:10.1590/s0102-09352009000100039

Cited by 5 publications

(12 citation statements)

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“…As enfermidades Pectus ocorrem com baixa incidência, casos de pectus carinatum raramente têm sido publicados em medicina veterinária [10,11], sendo encontrados mais facilmente relatos sobre pectus escavatum tanto em cães quanto em gatos. Por essa razão dados epidemiológicos sobre PC são desconhecidos e, além disso, grande parte dos clínicos e cirurgiões veterinários não têm ciência desta alteração.…”

Section: Discussionunclassified

“…A fisiopatologia da deformidade ainda não foi completamente esclarecida [10]. Em caso relatado em um cão da raça Shih-tzu, foi destacado que um dos irmãos veio a óbito logo ao nascer, e que os pais não tinham parentesco e nenhuma anormalidade congênita ou hereditária [7].…”

Section: Discussionunclassified

“…Em caso relatado em um cão da raça Shih-tzu, foi destacado que um dos irmãos veio a óbito logo ao nascer, e que os pais não tinham parentesco e nenhuma anormalidade congênita ou hereditária [7]. Já em outro caso sobre um canino, Pinsher miniatura, com cinco meses de idade, oriundo de gestação consaguínea, foram observadas diversas anomalias, além do pectus carinatum, como má oclusão dental, má angulação dos membros com dificuldade de locomoção, criptorquidismo bilateral e hérnia umbilical [10]. Por ser um animal resgatado, não se pode associar o aparecimento da alteração com consanguinidade no caso relatado.…”

Section: Discussionunclassified

“…As alterações respiratórias observadas são mais atribuídas à depressão caudal do esterno do que sua proeminência. Há relatos de animais com PC onde os pacientes apresentavam dispneia quando submetido a exercícios ou decúbito dorsal [10]. O animal do caso relatado apresentava dispneia grave, não se pode concluir que esteja associada à protrusão torácica, já que este também apresentava um padrão sugestivo de alteração infecciosa em parênquima pulmonar.…”

Section: Discussionunclassified

“…Já o PC é a protrusão ventral do esterno (peito de pombo) [2,5,12]. O PC tem sido descrito com muito menos frequência que o PE, sendo considerado o tipo mais raro da doença em cães e gatos [10].…”

Section: Introductionunclassified

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Pectus carinatum in a Cat

Sanches

Carvalho

Costa

et al. 2019

Acta Scientiae. Vet.

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Background: Pectus are congenital sternal deformities considered rare in small animals, and they are divided into two types. Pectus excavatum causes a concave aspect in the ventral portion of the animal's thorax, which is known as "funnel chest," while pectus carinatum produces a convex appearance and is therefore called "pigeon chest." The etiology of these anomalies has not yet been fully elucidated, but it is assumed that there is genetic involvement. The diagnosis is based on clinical examination and is confirmed by thoracic radiography. This report describes a case of pectus carinatum in a one-month-old domestic cat. Case: An unspayed female domestic cat, about one month old, weighing 0.1 kg, was admitted to the Veterinary Hospital of the Federal University of Piauí (UFPI). When her history was taken, her owner reported that he had rescued the animal the previous day and noticed that showed difficulty breathing, so naturally worming and vaccination were not reported. Upon physical examination, the patient showed an abdominal breathing pattern, severe dyspnea, pale mucosa, nasal discharge, apathy, poor nutritional status (body score 1), signs of apparent dehydration and a temperature of 38.5ºC. Palpation revealed increased volume in the thoracic region. X-rays were ordered due to suspicion of diaphragmatic injury. The chest X-ray report indicated ventral segment displacement of the 4 th to the 8 th sternebra, with accommodation of the cardiac silhouette in the right lateral, left lateral and dorsoventral projections, suggesting pectus carinatum. Pulmonary radiodensity was also augmented, with greater intensity in the right middle lobe, an alveolar pattern, radiographic signs suggestive of an infectious process (pneumonia), and pulmonary hyperinflation. A qualitative analysis revealed cardiac silhouette whose dimensions showed no radiographic evidence of alterations at the moment of the examination. The diaphragmatic dome was intact. Normally aerated thoracic trachea, with preserved dorsoventral diameter. Discussion: Although deformities of the chest wall are infrequent and cases of pectus carinatum (PC) have rarely been published in veterinary medicine, reports of pectus excavatum (PE) in both dogs and cats are more easily found. Therefore, epidemiological data on PC are unknown, and moreover, most veterinary clinicians and surgeons are unaware of this anomaly. In the case of this kitten, pectus carinatum was diagnosed based on imaging tests allied to a clinical evaluation. The pathophysiology of the deformity has not yet been fully elucidated. In a case reported in a Shih Tzu dog, it was pointed out that one of its siblings had died at birth, and that the parents had no kinship and no congenital or hereditary abnormality. In another case of a five-month-old miniature pinscher, born from a consanguineous gestation, several anomalies were observed, in addition to pectus carinatum, such as dental malocclusion, poor limb alignment and locomotion difficulty, bilateral cryptorchidism and umbilical hernia. Because ...

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Section: Discussionunclassified