Abstract
Balloon aortic valvuloplasty (BAV) has played a limited role in the management of patients with severe aortic stenosis. However, BAV is being performed more frequently these days with the emergence of transcatheter aortic valve implantation (TAVI). We previously described a technique named “looped Inoue balloon technique” to simplify the antegrade transvenous BAV by making a loop in the left atrium using two stylets. We present a case in which the looped Inoue balloon technique was successfully applied. The patient was an 83-year-old woman with progressive dyspnea due to severe aortic stenosis. The aortic valve area was 0.39 cm2 with a mean transvalvular gradient of 46 mmHg. The patient was deemed high risk for surgical aortic valve replacement or TAVI in view of the multiple comorbidities and frailty. Antegrade BAV using the looped Inoue balloon technique was performed. The procedure was successful without any complications. The post procedural aortic valve area increased to 1.15 cm2 with a mean pressure gradient of 23 mmHg. This is the first report of clinical use of the looped Inoue balloon technique for antegrade BAV.
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Acknowledgments
The authors wish to thank Mr. Mitsuru Sato and Mr. Yoshimasa Nagata for the technical assistance in developing the catheter system. We would also like to express our gratitude to Mr. Kinnya Akimoto, Mr. Katsunori Hatanaka and Mr. Masatoshi Takeda for making the heart model. Special thanks also go to Ms. Rika Sugiura, Ms. Kotoko Omichi and Ms. Yoko Shimizu for their secretarial assistance.
Conflict of interest
Dr. Kanji Inoue holds all patents of the balloon catheter described in the present report. The other authors have no conflict of interest to declare.
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Yano, M., Saito, N., Watanabe, S. et al. First clinical experience of the looped Inoue balloon technique for antegrade percutaneous balloon aortic valvuloplasty. Heart Vessels 30, 830–834 (2015). https://doi.org/10.1007/s00380-014-0552-1
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DOI: https://doi.org/10.1007/s00380-014-0552-1