{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,16]],"date-time":"2026-10-16T19:40:45Z","timestamp":1792179645975,"version":"4.4.0"},"reference-count":22,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2016,1,29]],"date-time":"2016-01-29T00:00:00Z","timestamp":1454025600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J Interven Cardiology"],"published-print":{"date-parts":[[2016,4]]},"abstract":"<jats:sec><jats:title>Objective<\/jats:title><jats:p>To describe the significance of aortic root distortion (AD) and\/or aortic valve insufficiency (AI) during balloon angioplasty of the right ventricular outflow tract (RVOT) performed to rule out coronary artery compression prior to transcatheter pulmonary valve (TPV) implantation.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>AD\/AI was assessed by retrospective review of all procedural aortographies performed to evaluate coronary anatomy prior to TPV implantation. AD\/AI was also reviewed in all pre\u2010post MPV implant echocardiograms to assess for progression.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>From 04\/2007 to 3\/2015, 118\u2009pts underwent catheterization with intent for TPV implant. Mean age and weight were 24.5\u2009\u00b1\u200912 years and 64.3\u2009\u00b1\u200920\u2009kg, respectively. Diagnoses were: TOF (53%), D\u2010TGA\/DORV (18%), s\/p Ross (15%), and Truncus (9%). Types of RV\u2010PA connections were: conduits (96), bioprosthetic valves (14), and other (7). Successful TPV implant occurred in 91\u2009pts (77%). RVOT balloon angioplasty was performed in 43\/118\u2009pts (36%). Aortography was performed in 18\/43\u2009pts with AD\/AI noted in 6\/18 (33%); 2 with D\u2010TGA (1\u2009s\/p Lecompte, 1\u2009s\/p Rastelli), 2 with TOF, 1 Truncus and 1\u2009s\/p Ross. Procedure was aborted in the 2 who developed severe AD\/AI. TPV was implanted in 3\/4 patients with mild AD\/AI. Review of pre\u2010post TPV implantation echocardiograms in 83\/91\u2009pts (91%) revealed no new\/worsened AI in any patient.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>AD\/AI is relatively common on aortography during simultaneous RVOT balloon angioplasty. Lack of AI progression by echocardiography post\u2010TPV implant suggests these may be benign findings in most cases. However, AD\/AI should be carefully evaluated in certain anatomic subtypes with close RVOT\/aortic alignments. 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