Key result
In an anatomical study of 80 human cadaveric hearts, musculi pectinati were oriented perpendicular to the crista terminalis in 40% of cases, and a single trunk of taenia sagittalis was observed in 56.25%.
Observational (n=80)
No
Provides detailed anatomical mapping of right atrial muscular bundles (Crista terminalis, Musculi pectinati, Taenia sagittalis) to guide interventional procedures.
Introduction: Crista terminalis is a fibromuscular vertical ridge of smooth myocardium within the right atrium of the heart. Material and Methods: We examined eighty human hearts obtained from the cadaver to see morphological pattern of Crista terminalis, Musculi pectinati and Taenia sagittalis. In 40% cases musculi pectinati oriented perpendicular to the Crista terminalis followed by Parallel in 18.75%. We also observed single and multiple trunks of Taenia sagittalis in 56.25% and 6.25% cases respectively. In the present study we tried to provide a guideline of gross morphological arrangement of principal muscular bundles for the interventional operator so that they have precise anatomical information prior to interventional procedure.
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Rastogi et al. (2016) conducted an observational in Cadaveric human hearts (n=80). Anatomical examination was evaluated on Morphological pattern of Musculi pectinati and Taenia sagittalis. In an anatomical study of 80 human cadaveric hearts, musculi pectinati were oriented perpendicular to the crista terminalis in 40% of cases, and a single trunk of taenia sagittalis was observed in 56.25%.
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