Preface

Enjoy Your Work and Life to the Fullest A. Shiose

Editorial Comment

Issues in Medical Accident Investigation and Mitral Valve Surgery by MICS Y. Ueda…331

Original

Background and Outcomes of TAVR in Low-Rrisk Score Patients K. Shigetomi et al.…334

Case Reports

［Acquired Cardiovascular Surgery］

Role of the Nurse Practitioner (NP) in Cardiovascular Surgery ―Comparative Study of Surgical Assistants for NPs and Physicians― M. Saitoh et al.…339

Migration of a Retained Epicardial Pacing Wire into the Pulmonary Artery A. Sakai et al.…345

Aortic Stenosis with Alkaptonuria Y. Mori et al.…350

A Case of Commando Procedure for Paravalvular Leakage after Redo Aortic Valve Replacement and Mitral Valve Replacement R. Takayanagi et al.…354

［Acquired Cardiovascular Surgery］

Open Stent Grafting for Aortic Arch Aneurysm with an Aberrant Right Subclavian Artery S. Goto et al.…359

Ruptured Abdominal Aortic Aneurysm Concomitant with Lower Extremity Ischemia,following Abdominal Blunt Trauma M. Ohara et al.…363

［Peripheral Artery Disease］

A Case of Accidental Right Subclavian Artery Injury during Central Venous Catheterization through the Right Internal Jugular Vein R. Umeta et al.…368

A Case of Hybrid Therapy for Deep Femoral Artery Aneurysm in a Frail Older Patient K. Manabe et al.…372

Progress in Cardiovascular Surgery (2021)

Advances in the Congenital Heart Disease Y. Hirata…376

Advancement in the Field of MICS in 2021 S. Hosoba…378

Mechanisms of Lidocaine Cardioplegia: del Nido Solution H. Yamamoto…381

U-40

U-40 Column Considering the Non-technical Skill Learned through the Experiences in Organizational Management of U-40 Committee C. Tanaka et al.…U1

Editor’s Post Script

M. Ono