Key result
Post-mortem examination of two hearts revealed the rare anatomical variant of double posterior descending arteries originating from the right coronary artery.
Case Report (n=2)
No
The presence of double posterior descending arteries is a rare anatomical variant that interventional cardiologists and cardiac surgeons should be aware of when planning revascularization procedures.
Rare double PDA variant merits awareness in revascularization planning; case reports leave open its prevalence and procedural implications.
This paper presents two cases of human hearts (a 75-year-old woman and an 88-year-old man) with double posterior descending arteries (PDA) of various sizes originating from the right coronary artery, mainly supplying the interventricular septum as well as the posterior walls of both heart ventricles in a different scope. In the analysis of the arterial vasculature, a range of aspects were considered, such as the point of exit of the right coronary artery, the course of the vessel, the range of the blood supply of the interventricular septum and both ventricles, as well as selected morphometric parameters that were simultaneously compared with one another. These atypical changes presented based on the example of the analyzed cases will certainly constitute a valuable source of information for cardiac surgeons and interventional cardiologists in planning operations.
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Wróbel et al. (2019) conducted a case report in Anatomical variant (Double Posterior Descending Artery) (n=2). Double posterior descending artery was evaluated on Morphometric parameters and course of the double posterior descending arteries. Post-mortem examination of two hearts revealed the rare anatomical variant of double posterior descending arteries originating from the right coronary artery.
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