Volume 103, Issue 2 pp. 359-366
ORIGINAL ARTICLE - CLINICAL SCIENCE

Five-year follow-up after percutaneous pulmonary valve implantation using the Venus P-valve system for patients with pulmonary regurgitation and an enlarged native right ventricular outflow tract

Qinchun Jin MD

Qinchun Jin MD

Department of Cardiology, Fuwai Hospital Chinese Academy of Medical Sciences, Beijing, China

Department of Cardiology, Zhongshan Hospital, Shanghai Institute of Cardiovascular Diseases, Fudan University, Shanghai, China

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Yuliang Long MD

Yuliang Long MD

Department of Cardiology, Fuwai Hospital Chinese Academy of Medical Sciences, Beijing, China

Department of Cardiology, Zhongshan Hospital, Shanghai Institute of Cardiovascular Diseases, Fudan University, Shanghai, China

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Gejun Zhang MD

Gejun Zhang MD

National Clinical Research Center for Interventional Medicine, Shanghai, China

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Xin Pan MD

Xin Pan MD

Department of Cardiology, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai, China

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Mao Chen MD

Mao Chen MD

Department of Cardiology, West China Hospital of Sichuan University, Sichuan, China

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Yuan Feng MD

Yuan Feng MD

Department of Cardiology, West China Hospital of Sichuan University, Sichuan, China

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Jinfen Liu MD

Jinfen Liu MD

Shanghai Children's Medical Center, Shanghai Jiaotong University School of Medicine, Shanghai, China

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Shiqiang Yu MD

Shiqiang Yu MD

Department of Cardiology, The First Affiliated Hospital of Air Force Medical University, Xi'an, China

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Wenzhi Pan MD

Corresponding Author

Wenzhi Pan MD

Department of Cardiology, Fuwai Hospital Chinese Academy of Medical Sciences, Beijing, China

Department of Cardiology, Zhongshan Hospital, Shanghai Institute of Cardiovascular Diseases, Fudan University, Shanghai, China

Correspondence Wenzhi Pan, MD and Daxin Zhou, MD, Department of Cardiology, Zhongshan Hospital, Shanghai Institute of Cardiovascular Disease, Fudan University, 180 Fenglin Rd, Shanghai 200032, China.

Email: [email protected] and [email protected]

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Daxin Zhou MD

Corresponding Author

Daxin Zhou MD

Department of Cardiology, Fuwai Hospital Chinese Academy of Medical Sciences, Beijing, China

Department of Cardiology, Zhongshan Hospital, Shanghai Institute of Cardiovascular Diseases, Fudan University, Shanghai, China

Correspondence Wenzhi Pan, MD and Daxin Zhou, MD, Department of Cardiology, Zhongshan Hospital, Shanghai Institute of Cardiovascular Disease, Fudan University, 180 Fenglin Rd, Shanghai 200032, China.

Email: [email protected] and [email protected]

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Junbo Ge MD

Junbo Ge MD

Department of Cardiology, Fuwai Hospital Chinese Academy of Medical Sciences, Beijing, China

Department of Cardiology, Zhongshan Hospital, Shanghai Institute of Cardiovascular Diseases, Fudan University, Shanghai, China

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First published: 06 December 2023

Abstract

Background

Percutaneous pulmonary valve implantation (PPVI) with the self-expandable Venus P-valve system is a promising treatment for patients with pulmonary regurgitation (PR) and a native right ventricular outflow tract (RVOT). However, limited data is available regarding its midterm outcomes. This study assessed the midterm clinical and echocardiographic outcomes following Venus P-valve implantation.

Methods

From 2013 to 2018, 55 patients with moderate or severe PR after surgical RVOT repair with a transannular or RVOT patch were consecutively enrolled from six hospitals in China. Five-year clinical and echocardiographic outcomes were collected and evaluated. The primary endpoint was a freedom from all-cause mortality and reintervention.

Results

At 5 years, the primary endpoint was met for 96% of patients, corresponding to a freedom from all-cause mortality of 96% (95% confidence interval [CI]: 86%−99%) and freedom from reintervention of 98% (95% CI: 87%−100%). Endocarditis was reported in five patients (four patients within 1 year and one patient at 5 years) following PPVI. Transpulmonary gradient and stent orifice diameter remained stable compared to at discharge (p>0.05). No paravalvular leak was reported while only 1 patient gradually increased to moderate PR during follow-up. Significant improvement of RV diameter and LVEF (p<0.001) sustained over the 5-year follow-up, in consistent with remarked improved New York Heart Association(NYHA) functional class (p<0.001).

Conclusion

The 5-year results of the China VenusP Study demonstrated the midterm benefits of Venus P-valve implantation in the management of patients with severe PR with an enlarged native RVOT by providing sustained symptomatic and hemodynamic improvement.

CONFLICT OF INTEREST STATEMENT

The authors declare no conflict of interest.

DATA AVAILABILITY STATEMENT

The data reported in this study are available upon a valid request from the corresponding author.

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