Avian cardiology

Strunk, A.; Wilson, G. Heather

doi:10.1016/s1094-9194(02)00031-2

Cited by 35 publications

(25 citation statements)

References 51 publications

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“…Endocardiosis is not frequently reported in birds, presenting in isolated cases in some species (Rosenthal & Stamoulis, 1993;Oglesbee & Lehmkuhl, 2001;Strunk & Wilson, 2003). This is the first report of myxomatous degeneration of the left atrioventricular valve in Amazona aestiva.…”

Section: Discussionmentioning

confidence: 84%

Myxomatous degeneration of the left atrioventricular valve in a true parrot (Amazona aestiva): a case report

Kagohara¹,

Filho

Marinho³

et al. 2020

Braz. J. Vet. Med.

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Owning wild species as pets is becoming more and more common. Consequently, experience in caring for them has grown, resulting in the diagnosis of numerous diseases. Among these are cardiovascular disorders, especially in parrots. However, the lack of specificity or the absence of clinical signs of these diseases make it difficult to assess cardiovascular issues during the physical examination of birds. This leads to underdiagnosis of these conditions, with the majority being diagnosed post-mortem. This study reports the cardiovascular findings in post-mortem examinations of individuals of the species Amazona aestiva (true parrot) of Centro de Triagem de Animais Silvestres do Rio de Janeiro (CETAS-RJ) and is the first record of myxomatous degeneration of the left atrioventricular valve in this species.

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Section: Discussionmentioning

confidence: 84%

Myxomatous degeneration of the left atrioventricular valve in a true parrot (Amazona aestiva): a case report

Kagohara¹,

Filho

Marinho³

et al. 2020

Braz. J. Vet. Med.

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“…Nutritional considerations in many chronic diseases are not fully understood in everyday clinical practice (Boban et al, 2019). In avian medicine, disorders linked to obesity and the cardiovascular system include atherosclerosis, hypertension, and cardiovascular dysfunction (Strunk & Wilson, 2003). However, weight loss can lead to alterations in the heart (Boban et al, 2019).…”

Section: Introductionmentioning

confidence: 99%

“…Cardiovascular diseases are common in birds (Beaufrère, Pariaut, Rodriguez, & Tully, 2010) and represent a diagnostic challenge (Strunk & Wilson, 2003) because it may be difficult to interpret the results of the physical examination correctly (Pees, Krautwald-Junghanns, & Straub, 2006). Straub, Forbes, Thielebein, and Krautwald-Junghanns (2003) described heart injuries using necropsy examinations performed on Psittacidae.…”

Section: Introductionmentioning

confidence: 99%

Computed tomographic and radiographic morphometric study of cardiac and coelomic dimensions in captive blue‐fronted Amazon parrots (Amazona aestiva, Linnaeus, 1758) with varying body condition scores

Santos

Silva

Hippólito

et al. 2020

Anat Histol Embryol

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This study aimed to assess radiographic and tomographic cardiac parameters, including width and length of the heart, and the ratio of heart width to coelom width of blue‐fronted Amazon parrots (Amazona aestiva) with varying body condition scores. Thirty‐five captive birds were included in the study and were allocated into one of three groups according to their respective body condition score: lean, ideal and obese. No differences were observed among the groups with regard to radiographic and tomographic measurements. Computed tomography enabled better identification of the structures of the cardiovascular system without interference from the overlying structures of the celomatic cavity observed in radiographic images. However, radiographic examinations should still be considered the standard screening method to identify cardiac alterations, such as increased or reduced organ dimensions. Standardizing the techniques and measurements performed in this study may serve as a basis for further research in the field.

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“…However, these parameters are directly related to body weight, animal size and even lifestyle. Indeed, bird heart size is quite variable and depends on body size, activity level and special physiological needs (Strunk & Wilson, 2003). For example, prior to migration, the heart size of the barnacle goose ( Branta leucopsis ) increases dramatically (Smith et al., 2000).…”

Section: Introductionmentioning

confidence: 99%

Morphometry of the heart of greater rhea (Rhea americana americana, Linnaeus, 1758)

Borges

Medeiros

Silva

et al. 2020

Anat Histol Embryol

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Heart diseases in birds are frequent and generate significant production disorders. Morphometry is a valuable tool to provide fundamental information about heart conditions. Few studies have addressed morphological aspects of the heart of ratite birds, such as the Greater rhea. The present study aimed to analyse rhea heart morphometry, comparing young and adult subjects, in order to provide relevant information for the diagnosis of heart disease in this species. Hearts of young (n = 10) and adult (n = 10) female rheas were used in this research. Heart length and width and sternum length were measured using a caliper. Heart length and width and sternum length in adults were approximately three times greater than in young individuals. The left ventricular wall (LVW) was thicker than the right ventricular wall (RVW) at all ages, and the RVW was thicker in adults when compared to young subjects. The basal and middle RVW regions thicken with advancing age, and the thickness of the interventricular septum (ISW) occupies an intermediate position between the LVW and RVW. In general, an increase in rhea heart thickness and size relative to age is observed. The morphometric variations between young and adult rhea hearts observed in the present study may serve as a comparative subsidy for the diagnosis of cardiac abnormalities observed in this species.

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Avian cardiology

Cited by 35 publications

References 51 publications

Myxomatous degeneration of the left atrioventricular valve in a true parrot (Amazona aestiva): a case report

Myxomatous degeneration of the left atrioventricular valve in a true parrot (Amazona aestiva): a case report

Computed tomographic and radiographic morphometric study of cardiac and coelomic dimensions in captive blue‐fronted Amazon parrots (Amazona aestiva, Linnaeus, 1758) with varying body condition scores

Morphometry of the heart of greater rhea (Rhea americana americana, Linnaeus, 1758)

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