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Aim of this study is to compare SV patients with and without PA-stent implantation post-BDCPC regarding risk factors for stent implantation and outcome. Single center, retrospective (2006\u20132021) study of 136 SV consecutive patients with and without PA-stent implantation post-BDCPC. Patient characteristics, risk factors for PA-stent implantation and PA growth were assessed comparing angiographic data pre-BDCPC and pre-TCPC. A total of 40\/136 (29%) patients underwent PA-stent implantation at median (IQR) 14 (1.1\u201339.0) days post-BDCPC. 37\/40 (92.5%) underwent LPA-stenting. Multiple regression analysis showed single LV patients to receive less likely PA-stents than single RV patients (OR 0.41; <jats:italic>p<\/jats:italic>\u2009=\u20090.05). Reduced LPA\/BSA (mm\/m2) and larger diameter of neo-ascending aorta pre-BDCPC were associated with an increased likelihood of PA-stent implantation post-BDCPC (OR 0.89, <jats:italic>p<\/jats:italic>\u2009=\u20090.03; OR 1.05, <jats:italic>p<\/jats:italic>\u2009=\u20090.001). Stent re-dilatation was performed in 36\/40 (89%) after 1 (0.8\u20131.5) year. Pulmonary artery diameters pre-BDCPC were lower in the PA-stent group: McGoon (<jats:italic>p<\/jats:italic>\u2009&lt;\u20090.001), Nakata (<jats:italic>p<\/jats:italic>\u2009&lt;\u20090.001). Indexed pulmonary artery diameters increased equally in both groups but remained lower pre-TCPC in the PA-stent group: McGoon (<jats:italic>p<\/jats:italic>\u2009&lt;\u20090.001), Nakata (<jats:italic>p<\/jats:italic>\u2009=\u20090.009), and Lower Lobe Index (<jats:italic>p<\/jats:italic>\u2009=\u20090.003). LPA and RPA grew symmetrically in both groups. Single RV, larger neo-ascending aorta, and small LPA pre- BDCPC are independent risk factors for PA-stent implantation post-BDCPC. Pulmonary artery diameters after PA-stent implantation and stent re-dilatation showed significant growth together with the contralateral side, but the PA-system remained symmetrically smaller in the stent group.<\/jats:p>","DOI":"10.1007\/s00246-023-03229-3","type":"journal-article","created":{"date-parts":[[2023,7,15]],"date-time":"2023-07-15T19:01:26Z","timestamp":1689447686000},"page":"1495-1505","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Risk Factors and Outcome of Pulmonary Artery Stenting After Bidirectional Cavopulmonary Connection (BDCPC) in Single Ventricle Circulation"],"prefix":"10.1007","volume":"44","author":[{"given":"Alessia","family":"Callegari","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jana","family":"Logoteta","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Walter","family":"Knirsch","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Robert","family":"Cesnjevar","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hitendu","family":"Dave","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Oliver","family":"Kretschmar","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Daniel","family":"Quandt","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2023,7,15]]},"reference":[{"issue":"8","key":"3229_CR1","doi-asserted-by":"publisher","first-page":"1241","DOI":"10.1017\/S104795112100192X","volume":"31","author":"A Krimly","year":"2021","unstructured":"Krimly A, Jain CC, Egbe A, Alzahrani A, Najashi KA, Albert-Brotons D et al (2021) The pulmonary vascular bed in patients with functionally univentricular physiology and a Fontan circulation. 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