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The right ventricular outflow tract (RVOT) is located above the supraventricular crest and reaches the level of the pulmonary valve. Detailed knowledge of the RVOT spatial structure and its morphology is extremely important for cardiac invasive therapeutic procedures. To examine the spatial structure of the RVOT using virtual models of the right ventricle (RV) interior obtained post mortem. The study was carried out using 40 adult hearts from both sexes fixed in formalin. Donors had a negative history of cardiovascular diseases. Silicone models of the interior of the RV were made and then subjected to a digital modelling procedure using the photogrammetry technique. For each 3D model of the RV, the RVOT was extracted and measurements were performed. Statistical analysis demonstrated that the dimensions of the transverse (p < 0.001) and sagittal (p = 0.002) axis at the level of the upper and lower border of the RVOT differed significantly. There was also a significant difference between the right and left height of the RVOT (p = 0.009). A clear correlation was found between the volume of the RVOT and the volume of the entire RV (r = 0.718, p < 0.001). The obtained 3D models of the RVOT can help standardize the data related to RVOT architecture. Furthermore, they can extend knowledge about the RVOT in the field of cardiology and improve the procedures in cardiac surgery.


Agata Ewa Kaczyńska, Adam Kosiński, Katarzyna Bobkowska, Miłosz Andrzej Zajączkowski, Rafał Kamiński, Grzegorz Marek Piwko, Marta Gleinert-Rożek, Tomasz Gos, Karol Karnecki, Dariusz Kozłowski. Clinical anatomy of the spatial structure of the right ventricular outflow tract. Advances in clinical and experimental medicine : official organ Wroclaw Medical University. 2022 Jan;31(1):33-40

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PMID: 34738346

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