Open Access

ARTICLE

Transcatheter closure of calcified patent ductus arteriosus in older adult patients: Immediate and 12-month follow-up results

Xinghua Gu¹, Qiuwang Zhang², Hourong Sun¹, Jianchun Fei¹, Xiquan Zhang¹, Michael J. Kutryk²

1 Department of Cardiovascular Surgery, Qilu Hospital of Shandong University, Jinan, China
2 Division of Cardiology, Keenan Research Center for Biomedical Science at the Li Ka Shing Knowledge Institute, St. Michael’s Hospital, University of Toronto, Toronto, Ontario, Canada

* Corresponding Author: Xiquan Zhang, Department of Cardiovascular Surgery, Qilu Hospital of Shandong University, 107 Wenhua West Road, Jinan 250012, China. Email: