This study had the objective of describing a case of dextrocardia with situs solitus and apex-basis axis inversion in a lesser anteater (Tamandua tetradactyla). Arq Bras Cardiol. Dec;91(6):e Anatomy of a dextrocardia case with situs solitus. Faig-Leite FS(1), Faig-Leite H. Author information: (1)Universidade. Herz. May;35(3) doi: /s Epub May Isolated dextrocardia with situs solitus (dextroversion). Solzbach U(1).
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The incidence of dextrocardia associated to situs inversus in the general population is usually 1: No potential conflict of interest relevant to this article was reported.
This affirmation is refuted by Aiello et al. Pinheiro I ; L. The heart from the dextrocardic animal was located in the mediastinum between the 3rd and 4th intercostal spaces, whereas in other animals the heart was located between the 3rd and 6th intercostal spaces showing that the dextrocardic animal had a smaller heart Figure 1 B and D.
These findings had not resulted in difference about the place of entrance and exit of the other cardiac vessels from basis Figure 2C. Relato de caso-Anatomia de um caso de Dextrocardia com Situs Solitus.
The two cases described by these authors presented severe pulmonary alterations; as the lungs had been previously removed in the present case, it was not possible to study them. A similar situation described in the literature and involving animals was only described by Castro et al.
This condition was not found in the studied animal because there dexxtrocardia no communication between the pulmonary artery and the aorta. The case presented here is more uncommon as it was associated to situs solitus and for the fact that it did not present these types of malformation, which allows us to state that this variant of heart position is not necessarily associated to anomalies in atrioventricular communications, in the relations between the dextrovardia and its afferent and efferent vessels or even in the heart function.
Anatomy of a dextrocardia case with situs solitus. Sources of Funding There were no external funding sources for this study. It possess head, members and back with a yellowish coloration, while the remainder of the body is black, forming a kind of vest, long and prehensile tail and thoracic members with four great claws.
Articles needing additional references sitys March All articles needing additional references. The left ventricle, which is the stronger portion of the heart, normally pumps blood to the entire body. But when the great arteries are transposed, the left ventricle pumps blood next door to the lungs. The abdominal dexttocardia was open and the position of the viscera was normal, without any type of alteration, which characterized situs solitus. A population-based study of cardiac malformations and outcomes associated with dextrocardia.
Dextrocardia with situs solitus and inversion apex-basis axis in lesser anteater Tamandua tetradactyla – case report. This page was last edited on dexttrocardia Januaryat The sternum was in its normal position.
In the dextrocardic animal situs solitus with base-apex axis inversion the heart was removed by incision of the vessels of the basis. This study had the objective of describing a case of dextrocardia with situs solitus and apex-basis axis inversion in a lesser anteater Tamandua tetradactyla between five evaluated animals, all from the area of Mine Bauxite – Paragominas – Para.
During the inspection of the pulmonary trunk, a large ductus arteriosus Botallo’s ductus was found Figure 2. Retrieved from ” https: Meanwhile, the right ventricle, which normally pumps blood to the lungs, must pump blood to the rest of the body. This study is not associated with any graduation program. The two ventricles presented normal internal morphology, atrioventricular valves and vessel emergence.
Isolated dextrocardia with situs solitus (dextroversion).
One slight difference is that right lung is smaller than the left lung, in order to accommodate the heart. The thorax of the dectrocardia piece was partially dissected, without the presence of the pericardium vextrocardia the lungs.
Such detxrocardia had not been found in this animal because the heart presented an apex-based rotation axis. Both cases, as in the present one, constituted necropsies of children younger than one year with a type of dextrocardia classified by the authors as dextrocardia with normally related great vessels. Can Med Assoc J. Recebido em 31 de julho de Aceito em 7 de maio de Isolated reversal of the heart with normally-patterned viscera otherwise is termed dextrocardia.
What kidney problems can occur in babies? Internally, the heart from the dextrocardic animal did not show any significant alteration, and it was possible to observe four chambers without septal communication. This infirmity can occur separately situs solitus or in association with situs inversus complete inversion of all visceral organs presenting dexhrocardia as an inverted image Da Silva et al.
The cases of dextrocardia reported in sits literature normally describe multiple associated cardiac malformations. Unsourced material may be challenged and removed. Cardiac malpositions; an overview based on study of sixty-five necropsy specimens. All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License.
Anatomy of a dextrocardia case with situs solitus.
Learn more about Birth Defects. Study Association This study is not associated with any graduation program. March Learn how and when to remove this template message. The main vases of the base were identified with some topographic alterations resulting in: Views Read Edit View history. After that the animals had been radiographed and dissected, the aortic arch was removed after the sternum. A large ductus arteriosus was found, as well as the anomalous position of the right portion of the heart.
It dextrocqrdia observed among between the animals studied Figure 1 A and B a female with dextrocardia with situs solitusshown only an inverted heart, while the and other organs had normal topography. After this phase, the heart was then carefully removed ssitus its place and again inspected with a magnifying glass. A case of dextrocardia with normal situs. Dextrocardia-value of segmental analysis in its categorization. In dextrocardia with situs solitus, a congenital condition, the heart is on the right side of the chest, but all of the other internal organs are in their normal positions.
Doctors would notice this condition as soon as a baby is born because the infant’s skin color looks bluish.