In 2016, the World Journal of Cardiology (WJC) has published the 11^st issue which containing 7 articles contributed by scientists worldwide. Among these comprehensive articles are (1) “Mechanisms and clinical significance of early recurrences of atrial arrhythmias after catheter ablation for atrial fibrillation”, a Minireviews by Jackson J Liang, DO, et al from the Division of Cardiology, Electrophysiology Section, Hospital of the University of Pennsylvania, United States; and (2) “Riata silicone defibrillation lead with normal electrical measures at routine ambulatory check: The role of high-voltage shock testing”, an Original Article by Elia De Maria, MD, PhD, Chief, et al from the Arrhythmology Lab, Cardiology Unit, Ramazzini Hospital, Italy, etc. We invite you to peruse all 7 articles in this issue, as they present the latest research progress/findings and provide insightful comments in cardiology that will guide basic research and clinical practice in these fields.

This journal is an open-access journal which allows free immediate access to all full-text articles. For details, please visit: Volume 8, Issue 11, November 26, 2016.

Figure 1 The cover of the issue. Editorial Board Member of World Journal of Cardiology, Christian Hamilton-Craig, BM BCh, BSc, FACC, MD, PhD, Adjunct Professor, Richard Slaughter Centre of Excellence in Cardiovascular MRI, The Prince Charles Hospital, Brisbane, Queensland 4032, Australia

The WJC is a leading academic journal devoted to reporting the latest, cutting-edge research progress and findings of basic research and clinical practice in the field of cardiology. It was launched on December 31, 2009 and is published monthly (12 issues annually) by BPG, the world's leading professional clinical medical journal publishing company.

We encourage cardiologists worldwide to submit manuscripts to the WJC describing their original basic or clinical research findings that are of high academic value and which report new diagnostic techniques or summarize their treatment experiences.

We invited the readers to download and read the E-Journal of this issue, athttp://www.wjgnet.com/1949-8462/e-journal.htm.