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Feasibility and Accuracy of Two-and Three-Dimensional Transthoracic Echocardiography in patients with Right Atrial Dilatation using the Right Parasternal Approach  

Khaled Ibrahim Najeeb1; Mohamed Sayed Bashandy1; Reda El-Sayed Abd Elfattah  2 1Cardiology Department, Faculty of Medicine (Dameitta), Al-Azhar University 2Cardiology Department, Faculty of Medicine (Damietta), Al-Azhar University  

Journal Title:International Journal of Medical Arts

Background: Echocardiography increasingly used for diagnosis of right atrial dilatation. Three dimensional is superior than two dimensional echocardiography. However, advances and new windows continues to emerge to increase its accuracy Aim of the work: to show the feasibility and accuracy of right parasternal approach and its usefulness in qualitative and quantitative assessments of right atrium in patients with right atrial dilatation in comparison with transesophageal approach. Patients and Methods: The study included thirty patients with right atrial dilatation. All patients underwent full history taking, clinical, 12-lead electro-cardiography and echocardiography. Transesophageal Echocardio-graphy was used as a gold standard for the accuracy of the right parasternal approach. Results: The study includes 30 patients with right atrial dilatation the right parasternal (RPS) view obtained in 18 patients (60%), and not obtained in 12 patients (40%). There was significant decrease of SVC anteroposterior minimal diameter (Min AP), crista terminalis (CT) width, CT length, right atrial appendage (RAA) base Maximum diameter and RAA base Minimum diameter, in 2D Echocardiography   when compared to 3D Echocardiography. On the other side, there was no statistically significant difference in Right parasternal approach (3D) and Transesophageal approach. Conclusions: Parasternal approach is feasible in imaging right heart structures.  In addition, three dimensional TTE had an incremental value over two dimensional TTE in the assessment of these structures