{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,30]],"date-time":"2025-10-30T22:30:05Z","timestamp":1761863405547},"reference-count":24,"publisher":"Wiley","issue":"7","license":[{"start":{"date-parts":[[2015,1,30]],"date-time":"2015-01-30T00:00:00Z","timestamp":1422576000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Cathet Cardio Intervent"],"published-print":{"date-parts":[[2015,6]]},"abstract":"<jats:sec><jats:title>Objectives<\/jats:title><jats:p>Performing transcatheter aortic valve implantation (TAVI) with the use of minimal contrast in patients at high\u2010risk for acute kidney injury (AKI). <jats:italic>Background<\/jats:italic>: Contrast\u2010induced nephropathy (CIN) is a major cause of AKI following TAVI and is associated with increased morbidity and mortality. The amount of contrast media used increases the risk for CIN.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Computed tomography was omitted during the screening process. For the procedure transfemoral access was default. The self\u2010expanding CoreValve prosthesis was chosen in all patients to minimize the risk of annular rupture in case of oversizing. Valve sizing was based on echocardiography, aortography, calcification on fluoroscopy, as well as weight and height of the patient. A single contrast injection was performed to confirm correct position of the pigtail catheter at the level of the annulus. The pigtail then served as the marker for the device landing zone. Intraprocedural assessment of the implantation result relied on echocardiography and hemodynamics.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Five patients with severe aortic stenosis and at high risk for developing CIN were included. Device success was achieved in all patients and no major complications occurred. The median dose of injected contrast media was 8 ml (4\u20139). All but one patient had improved renal function after the intervention compared to baseline.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Our study shows feasibility of performing TAVI with a single minimal contrast media injection, using a self\u2010expandable valve. This technique has the potential to reduce the incidence of CIN. \u00a9 2015 Wiley Periodicals, Inc.<\/jats:p><\/jats:sec>","DOI":"10.1002\/ccd.25799","type":"journal-article","created":{"date-parts":[[2014,12,24]],"date-time":"2014-12-24T14:36:30Z","timestamp":1419431790000},"page":"1248-1253","source":"Crossref","is-referenced-by-count":10,"title":["Transcatheter aortic\u2010valve implantation with one single minimal contrast media injection"],"prefix":"10.1002","volume":"85","author":[{"given":"Mattia","family":"Arrigo","sequence":"first","affiliation":[{"name":"Department of Cardiology University Heart Center Zurich Switzerland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Francesco","family":"Maisano","sequence":"additional","affiliation":[{"name":"Department of Cardiovascular Surgery University Heart Center Zurich 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