Early and Late Outcomes of Aortic Valve Replacement with Aortic Annular Enlargement: A Propensity Analysis

The Thoracic and Cardiovascular Surgeon
Yuki OkamotoShinpei Yoshii

Abstract

Objectives Early and late outcomes were evaluated in Japanese patients undergoing aortic valve replacement (AVR) with or without aortic annular enlargement (AAE). Propensity matching adjusted for baseline differences in this study. Methods Between January 2001 and July 2014, 589 patients underwent AVR for aortic stenosis. Of these, 58 patients received AVR with AAE (AAE group), and the others received standard AVR without annular enlargement (sAVR group). Of these 589 patients, 116 patients were selected using propensity score matching analysis. We compared early and late outcomes between the two groups. Results Compared with the sAVR group, cardiopulmonary bypass time (177 ± 42 vs. 157 ± 39 minutes) and aortic cross-clamp time (126 ± 32 vs. 110 ± 34 minutes) were significantly longer in the AAE group. However, there were no significant differences between the AAE group and the sAVR group in 30-day mortality (1.7 vs. 3.4%) and in-hospital mortality (1.7 vs. 3.4%). There was no severe patient-prosthesis mismatch after AVR in the AAE group. The overall survival rate and freedom from cardiac events in the AAE group and in the sAVR group at 10 years were 92.4 versus 75.9% (p = 0.477) and 89.5 versus 82.8% (p = 0.076), respectively....Continue Reading

Citations

Mar 30, 2021·Circulation Journal : Official Journal of the Japanese Circulation Society·Yutaka OkitaTatsuhiko Komiya

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