Research Article
Volume 8 Issue 5 - 2021
Comparison of Aortic Annulus Measurements by Echocardiography and CT Scan with the Intraoperative Valve Sizing
Parag Sharma1*, Satyajit Samal1, Sunita Chaudhary1, Debmalya Saha1, SEH Naqvi2 and MA Geelani3
1Department of CTVS, GB Pant Hospital, Jawaharlal Nehru Marg, New Delhi, India
2Associate Professor, Department of CTVS, GB Pant Hospital, Jawaharlal Nehru Marg, New Delhi, India
3Professor and Head, Department of CTVS, GB Pant Hospital, Jawaharlal Nehru Marg, New Delhi, India
*Corresponding Author: Parag Sharma, Department of Cardiothoracic Surgery, GB Pant Hospital, New Delhi, India.
Received: March 23, 2021; Published: April 30, 2021




Abstract

Introduction: Proper sizing of the aortic annulus is vital in selecting the most appropriate valve size during open aortic valve replacement. The aortic annulus diameter measured by preoperative transthoracic echocardiography or CT scan, often yields different values than the prosthetic valve annulus measured intraoperatively and the same has been implicated in frequent paravalvular leakage, PPM, thromboembolism and endocarditis. In our study we evaluated the accuracy of valve sizing obtained by preoperative CT scan and echocardiography by comparing these measurements with direct intraoperative sizing.

Methods: Total 100 patients undergone standard open surgical valve replacement in our institution between January 2019 to December 2019 were retrospectively analyzed. Their maximum aortic annulus diameter determined by preoperative CT scan and echocardiography were individually compared and correlated statistically with the implanted valve size.

Results: The systolic annulus diameter by transthoracic echocardiography and the effective diameter by CT scan correlated better with the intraoperative sizing.

Conclusion: The effective diameter measured by CT scan correlates most with the intraoperative sizing so it can serve as an indicator for deciding the most appropriate size of prosthetic valve intraoperatively.

Keywords: Transthoracic Echocardiography; CT Scan; Effective Diameter; Intraoperative Sizing; Systolic Diameter

References

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Citation: Parag Sharma., et al. “Comparison of Aortic Annulus Measurements by Echocardiography and CT Scan with the Intraoperative Valve Sizing”. EC Cardiology 8.5 (2021): 36-41.

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