Subject Area
Cardiology
Article Type
Original Study
Abstract
Background: Supraventricular tachycardia (SVT) is a common clinical arrhythmia, with atrioventricular nodal reentrant tachycardia (AVNRT) and atrioventricular reentrant tachycardia (AVRT) being the most frequent subtypes. Distinguishing between these arrhythmias is crucial for determining the appropriate treatment strategy. Aim: To evaluate the clinical utility of echocardiographic measurement of coronary sinus (CS) diameter in distinguishing AVNRT from AVRT. Methods: This prospective descriptive study included 54 patients with narrow complex tachycardia who underwent echocardiography then electrophysiology study (EPS). CS diameter was measured at the ostium and 1 cm distal using 2D echocardiography then CS ostium area by 4D echocardiography was measured. Results: Patients with AVNRT had significantly larger CS diameters by 2D echocardiography, both at ostium and 1 cm distal, compared with AVRT cases, also patients with AVNRT had significantly larger CS ostial area by 4D echocardiography compared to AVRT group. ROC analysis demonstrated that CS ostial area measured by 4D echo had the highest diagnostic accuracy. Conclusion: Measuring the coronary sinus diameters by echocardiography, especially using 4D imaging, offers a straightforward and non-invasive method for distinguishing AVNRT from AVRT before proceeding to invasive electrophysiological studies.
Recommended Citation
Ataalla Khalil, Mohamed Ibrahim; Sakr, Sherif Abd El Salam; Abd Elshakour, Hany Mahmoud; and Sobh, Hoda Mohamed
(2025)
"The Use of Coronary Sinus Diameter Measurements to Distinguish Atrioventricular Nodal Reentrant Tachycardia from Atrioventricular Reentrant Tachycardia,"
Mansoura Medical Journal: Vol. 54
:
Iss.
4
, Article 5.
Available at:
https://doi.org/10.58775/2735-3990.1464
Creative Commons License
This work is licensed under a Creative Commons Attribution 4.0 International License.
