1. Coronary computed tomography angiography before on-pump cardiac surgery does not reduce the risk of postoperative acute kidney injury compared to coronary angiography

   • Yang Yan
   • Yongxin Li
   • Xinglong Zheng

   Original Article 06 February 2021 Pages: 1445 - 1452

2. Relationship between fractional flow reserve and graft patency after coronary artery bypass grafting

   • Michiko Ishida
   • Hiroshi Ishikawa
   • Yasushi Takagi

   Original Article 08 March 2021 Pages: 1453 - 1459

   

3. l-Carnitine supplementation for the prevention of postoperative atrial fibrillation in aortic valve surgery

   • Yasushige Shingu
   • Nobuyasu Katoh
   • Satoru Wakasa

   Original Article 10 March 2021 Pages: 1460 - 1466

   

4. Impact of direct carotid artery perfusion in acute type A aortic dissection involving the common carotid artery

   • Kayo Sugiyama
   • Hirotaka Watanuki
   • Katsuhiko Matsuyama

   Original Article 02 April 2021 Pages: 1467 - 1475

   

5. Optimal timing of video-assisted thoracic surgery for acute pyothorax: a retrospective study

   • Hideki Matsudaira
   • Satoshi Arakawa
   • Takashi Ohtsuka

   Original Article 15 May 2021 Pages: 1476 - 1481

   

6. STAT3 activation in thymic epithelial tumors: correlation with cyclin D1, JAK3, and clinical behavior

   • Naota Okabe
   • Masachika Fujiwara
   • Hiroshi Kamma

   Original Article 01 June 2021 Pages: 1482 - 1491

   

7. Is surgery a risk factor for contralateral recurrence pneumothorax in adolescent with primary spontaneous pneumothorax?

   • Henglun Liang
   • Yuanting Liu
   • Guimian Zhong

   Original Article 07 June 2021 Pages: 1492 - 1498

   

8. Aortic homograft for aortic valve replacement in patient with Alpha-Gal allergy

   • Simon Dang Van
   • Olivier Fouquet
   • Christophe Baufreton

   Case Report 19 July 2021 Pages: 1499 - 1501

9. Prosthetic vascular graft rupture caused by claw-type rib fixation strut: a case report

   • Akira Hiwatashi
   • Kosuke Mukaihara
   • Yoshiharu Soga

   Case Report 17 September 2021 Pages: 1502 - 1505

   

10. Splenic infarction after left upper lobectomy: a report of a case

    • Rintaro Oyama
    • Masaru Takenaka
    • Fumihiro Tanaka

    Case Report 18 August 2021 Pages: 1506 - 1510

    

11. Pannus-related left main trunk ostial stenosis after aortic valve replacement

    • Taiyo Jinno
    • Yasuyuki Kato
    • Toshiya Koyanagi

    Case Report 12 September 2021 Pages: 1511 - 1514

    

12. An improved method of anchoring chest drain and suture technique for Uni-portal VATS incision

    • Zhiyong Sun
    • Jiajie Zheng
    • Xiaojing Zhao

    How to Do It Open access 13 September 2021 Pages: 1515 - 1518