Acute kidney injury (AKI) remains a major concern in the field of TAVR and is associated
with increased mortality, up to twofold to eightfold.
1
Although the exact mechanism of post-TAVR AKI is unknown and seems to be multifactorial,
contrast has been reported as a contributing factor.
2
During TAVR, contrast is used for conventional aortic root angiography, for positioning
of the TAVR valve device and assessing the peripheral vasculature. To our knowledge,
for the first time, we report transfemoral TAVR performed with zero contrast using
fluoroscopy and ultrasound guidance. This was done in two patients with symptomatic,
severe aortic stenosis, and significant chronic kidney disease (stage III) who were
deemed high risk for surgical aortic valve replacement after discussion in the multidisciplinary
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References
- Acute kidney injury after aortic valve replacement: incidence, risk factors and outcomes.Expert Rev Cardiovasc Ther. 2015; 13: 301-316
- Acute kidney injury after transcatheter aortic valve implantation: incidence, predictors and impact on mortality.Arch Cardiovasc Dis. 2014; 107: 133-139
- Successful post-dilation of a lotus transcatheter aortic valve in a case of prosthesis frame underexpansion due to leaflet calcification.JACC Cardiovasc Interv. 2015; 8: 866-868
Article info
Publication history
Published online: March 19, 2016
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© 2016 Elsevier Inc. All rights reserved.
