Abstract
Objectives
To describe and to validate a new technique for crossing stenotic aortic valves (AV).
Background
Current techniques for crossing the AV may be time-consuming and hazardous.
Methods
One hundred consecutive patients with severe aortic stenosis treated by transfemoral TAVI were prospectively selected to have an initial attempt of 5 min to cross the AV with a novel pigtail/J-wire technique before switching to the conventional Amplatz®/straight wire approach. For the pigtail/J-wire technique, the catheter is placed 3–4 cm above the AV and turned anteriorly in the 30° RAO view. A J-wire pushed out of the pigtail-catheter will reach the anterior wall of the ascending aorta, forming a u-shaped curve above the AV. The height of the pigtail catheter determines the width of the curve, rotation will help to find an orientation, where the vertex of the curved J-wire easily passes the AV. We analyzed the primary success rate within 5 min and the mean crossing time required.
Results
Patients were 83.5 ± 5.5 years of age and predominantly male (62%). Primary success rate was 86%, AV crossing took 48.2 ± 34.6 s without complications. Fourteen failed cases were successfully managed with AL1- (6) and both, AL1- and AL2-catheters (8), respectively
Conclusions
The pigtail/J-wire technique for AV crossing is safe, simple and fast. Primary placement of a pigtail catheter into the left ventricle at a success rate of 86% facilitates TAVI procedures.
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Abbreviations
- AV:
-
Aortic valve
- TAVI:
-
Transcatheter aortic valve implantation
- AL:
-
Amplatz left
- RAO:
-
Right anterior oblique
- PCI:
-
Percutaneous coronary intervention
- STS:
-
Society of thoracic surgery score
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None of the authors has to declare any potential conflict of interest with respect to this study, there are no relevant relationships with industry.
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Schoels, W., Mahmoud, M.S., Kullmer, M. et al. A safe and simple technique for crossing stenotic aortic valves. Clin Res Cardiol 110, 377–381 (2021). https://doi.org/10.1007/s00392-020-01744-4
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DOI: https://doi.org/10.1007/s00392-020-01744-4