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Volume 7 – Number 2 – December 2021

A pre-shaped guidewire could cause left ventricular perforation during transcatheter aortic valve implantation

AsiaIntervention 2021;7:112-113 | 10.4244/AIJ-D-21-00025

Ryo Abe1, MD; Ryosuke Higuchi1, MD; Atsushi Shimizu2,3, MD; Mike Saji1, MD; Itaru Takamisawa1, MD

1. Department of Cardiology, Sakakibara Heart Institute, Tokyo, Japan; 2. Department of Cardiovascular Surgery, Sakakibara Heart Institute, Tokyo, Japan; 3. Department of Cardiovascular Surgery, Saitama Sekishinkai Hospital, Saitama, Japan

Life-threatening complications may occur even in contemporary transcatheter aortic valve implantation (TAVI). A pre-shaped guidewire, instead of a manually shaped guidewire, is thought to prevent left ventricular (LV) perforation; however, we experienced two cases of LV perforation using a pre-shaped guidewire.

Case 1 was a 90-year-old female with severe aortic stenosis (Panel A). A transaortic approach was selected due to the small iliac artery; this was the second transaortic TAVI performed at our facility. A SAFARI2™ (Boston Scientific, Marlborough, MA, USA) pre-shaped transcatheter aortic valve replacement (TAVR) guidewire was placed at the LV apex, and a 21 mm LOTUS Edge™ aortic valve (Boston Scientific) was positioned (Panel B; *: the tip of the guidewire). Blood pressure decreased after valve deployment, and aortography revealed a perforated LV apex (Panel C, Panel D; arrow: extravasation) (Moving image 1). Pericardiac drainage and cardiopulmonary bypass were immediately established, and emergent surgery with the David-Komeda technique was successfully performed (Panel E).

Case 2 was an 82-year-old female undergoing transfemoral TAVI. This was the seventh TAVI performed by the first operator; the second operator was the resident physician. A 23 mm SAPIEN 3 (Edwards Lifesciences, Irvine, CA, USA) transcatheter heart valve was delivered using a SAFARI2 pre-shaped TAVR guidewire placed at the LV apex (Panel F, Panel G). The patient’s blood pressure decreased after valve deployment, and left ventriculography showed a perforation of the LV apex (Panel H, Moving image 2). Bail-out surgery was performed to repair the lacerated LV apex without major issues (Panel I).

The tip of the guidewire was transferred during valve positioning and delivery, and a forced guidewire caused LV perforation. The LV apex is only 1-2 mm thick, even in a hypertrophied ventricle. Lack of attention to the position of the guidewire, an insufficient level of experience, and the longer shaft of the LOTUS Edge could be the cause of LV perforation. The placement of a guidewire at the posterior site, and optimal size selection might prevent LV perforation. LV perforation can occur even when using a pre-shaped guidewire. Close attention and adequate handling of the guidewire is, therefore, essential.

Acknowledgements

The authors wish to thank all the members of the Heart Valve Team.

Conflict of interest statement

I. Takamisawa is a clinical proctor of TAVI for Edwards Lifesciences and Medtronic. The other authors have no conflicts of interest to declare.

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Supplementary data

https://www.asiaintervention.org/wp-content/uploads/2021/12/AIJv7i2_Abe_video1.mp4
Moving image 1. Aortography following valve deployment in case 1.

 

https://www.asiaintervention.org/wp-content/uploads/2021/12/AIJv7i2_Abe_video2.mp4
Moving image 2. Left ventriculography following valve deployment in case 2.

 

Volume 7 - Number 2

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Authors
  • Atsushi Shimizu
  • Itaru Takamisawa
  • Mike Saji
  • Ryo Abe
  • Ryosuke Higuchi
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