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. 2021 Oct 5;54(5):369-376.
doi: 10.5090/jcs.21.033.

Changes in the Prosthesis Types Used for Aortic Valve Replacement after the Introduction of Sutureless and Rapid Deployment Valves in Korea: A Nationwide Population-Based Cohort Study

Hyeok Sang Woo  1 , Ho Young Hwang  1 , Ho Jin Kim  2 , Joon Bum Kim  2 , Sak Lee  3 , Cheong Lim  4 , Byung-Cheul Chang  5 , Na Rae Lee  6 , Youshin Suh  6 , Jae Woong Choi  1
Affiliations

Changes in the Prosthesis Types Used for Aortic Valve Replacement after the Introduction of Sutureless and Rapid Deployment Valves in Korea: A Nationwide Population-Based Cohort Study

Hyeok Sang Woo et al. J Chest Surg. .

Abstract

Background: Sutureless and rapid deployment valves for aortic valve replacement (AVR) were introduced in Korea in December 2016. This study evaluated changing trends in the prosthetic valves used for AVR in Korea after the introduction of sutureless and rapid deployment valves.

Methods: From December 2016 to December 2018, 4,899 patients underwent AVR in Korea. After applying the exclusion criteria, 4,872 patients were analyzed to determine changes in the type of prosthetic valve used for AVR. The study period was divided into 5 groups corresponding to 5-month intervals.

Results: The total number of AVR cases was 194.88±28.78 per month during the study period. Mechanical valves were used in approximately 27% to 33% of cases, and the proportion of mechanical valve use showed a tendency to decrease, with marginal significance overall (p=0.078) and significant decreases in patients less than 60 years of age and in men (p=0.013 and p=0.023, respectively). The use of sutureless valves increased from 13.4% to 25.8% of cases (p<0.001), especially in elderly patients (>70 years) and those requiring concomitant surgery. In a comparison between sutureless and rapid deployment valves, the use of Perceval S valves (a type of sutureless valve), gradually increased (p<0.001).

Conclusion: After the introduction of sutureless and rapid deployment valves in Korea, the rate of use of these new valves remarkably increased, especially in elderly patients and those requiring concomitant surgery. Further studies should investigate the clinical outcomes of these new prostheses.

Keywords: Aortic valve surgery; Korea; Rapid deployment valve; Sutureless valve; Trends.

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Conflict of interest statement

Conflict of interest

No potential conflict of interest relevant to this article was reported.

Figures

Fig. 1
Fig. 1
Number of aortic valve replacement (AVR) procedures according to valve type. CAVR, conventional aortic valve replacement; SuAVR, sutureless (or rapid deployment) aortic valve replacement.
Fig. 2
Fig. 2
Proportion of aortic valve replacements (AVRs) in 5-month periods according to valve type. CAVR, conventional aortic valve replacement; SuAVR, sutureless (or rapid deployment) aortic valve replacement.
See this image and copyright information in PMC

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