Intravascular Ultrasound–Guided and Angiography-Guided Chimney Stenting for Proactive Coronary Protection in High-Risk TAVR
Phan Thao Nguyen, Nguyen The Huy, Luong Hoang Long, Ly Duc Ngoc, Nguyen Cong Huu · 2026
Read Intravascular Ultrasound–Guided and Angiography-Guided Chimney Stenting for Proactive Coronary Protection in High-Risk TAVR by Phan Thao Nguyen, Nguyen The Huy, Luong Hoang Long, Ly Duc Ngoc, Nguyen Cong Huu (2026) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/PMC13523146.txt.
Description
Phan Thao Nguyen and co-authors describe a protective strategy during catheter valve replacement in two high-risk patients in a 2026 case report. Both patients had severe narrowing of the aortic valve and anatomy that placed their coronary arteries at risk of blockage when the new valve opened. Protection was planned in advance using pre-procedure scans.
After valve deployment, standard imaging suggested flow was preserved in both cases. Ultrasound imaging from inside the vessel, however, revealed dangerous closeness between valve tissue and a coronary opening in one patient, while standard imaging caught ostial compromise in the other. A chimney stent, placed alongside the valve to keep the artery open, secured blood flow in both. The two patients recovered well with good follow-up results.
Catalog record
| CREATOR | Phan Thao Nguyen, Nguyen The Huy, Luong Hoang Long, Ly Duc Ngoc, Nguyen Cong Huu |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 15338 |
| LICENSE | https://creativecommons.org/licenses/by/4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |