{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,2]],"date-time":"2026-10-02T04:19:36Z","timestamp":1790914776640,"version":"4.1.0"},"reference-count":32,"publisher":"SAGE Publications","issue":"2","license":[{"start":{"date-parts":[[2021,7,3]],"date-time":"2021-07-03T00:00:00Z","timestamp":1625270400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["J Vasc Access"],"published-print":{"date-parts":[[2023,3]]},"abstract":"<jats:sec>\n                    <jats:title>Background:<\/jats:title>\n                    <jats:p>The functional autologous arteriovenous fistula is considered the best vascular access for patients on hemodialysis. Some fistulae exhibit maturation problems after creation and do not reach adequate vessel diameter and flow in dialysis. The aim of this study was to describe our technique of oversized balloon angioplasty for assisted maturation of arteriovenous fistulae to accelerate the cannulation and to decrease the time of catheter use and its outcome.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods:<\/jats:title>\n                    <jats:p>A retrospective analysis of balloon-assisted procedures for maturation failure was performed in a single center between October 2011 and January 2019. Patients underwent imaging procedures to identify stenosis, followed by angioplasty using oversized high-pressure balloons from the anastomosis to the deep venous outflow tract. The flow volume, time interval of use of the fistula and removal of the catheter, patency rates, and complications rates were evaluated.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>Seventy-eight patients underwent 124 balloon angioplasty procedures. Technical and clinical success was achieved in 91% of the cases. In patients in whom maturation was successful, the fistula was cannulated in a mean time of 5\u2009days after the procedure (range, 1\u201320\u2009days). On average, catheter removal was performed 14\u2009days (range, 5\u201333\u2009days) after the maturation procedure. The mean flow volume in the fistula before the procedure was 276\u2009ml\/min (range, 122\u2013488\u2009ml\/min) and 24\u2009h after the maturation was 1014\u2009ml\/min (range, 760\u20131800\u2009ml\/min). The primary patency rate at 3, 6, and 12\u2009months was 87.3%, 66.2%, and 50.7%, respectively. Assisted primary patency was 100% at 3\u2009months, 92.9% at 6\u2009months, and 90.0% at 12\u2009months. Minor complications occurred in 18% of cases, and major complications in 4.8%.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions:<\/jats:title>\n                    <jats:p>The oversized balloon-assisted arteriovenous fistula maturation technique is safe and effective, allowing the cannulation of the fistulae a few hours or days after the procedure and decreasing the time of catheter use.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/11297298211029558","type":"journal-article","created":{"date-parts":[[2021,7,3]],"date-time":"2021-07-03T03:48:09Z","timestamp":1625284089000},"page":"238-245","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":14,"title":["Oversized balloon angioplasty for endovascular maturation of arteriovenous fistulae to accelerate cannulation and to decrease the duration of catheter use"],"prefix":"10.1177","volume":"24","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9012-9649","authenticated-orcid":false,"given":"Leonardo","family":"de Oliveira Harduin","sequence":"first","affiliation":[{"name":"Liv Care Centro Cl\u00ednico, Niter\u00f3i, Rio de Janeiro, Brazil"},{"name":"Medical Postgraduate Program, Universidade Federal do Estado do Rio de Janeiro (UNIRIO), Rio de Janeiro, Rio de Janeiro, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Julia Bandeira","family":"Guerra","sequence":"additional","affiliation":[{"name":"Liv Care Centro Cl\u00ednico, Niter\u00f3i, Rio de Janeiro, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Carlos Eduardo","family":"Virgini-Magalh\u00e3es","sequence":"additional","affiliation":[{"name":"Vascular Surgery Service, Hospital Universit\u00e1rio Pedro Ernesto (HUPE), Universidade do Estado do Rio de Janeiro (UERJ), Rio de Janeiro, Rio de Janeiro, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Felipe Silva","family":"da Costa","sequence":"additional","affiliation":[{"name":"Cl\u00ednica Auad & Costa, Niter\u00f3i, Rio de Janeiro, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Brunno Ribeiro","family":"Vieira","sequence":"additional","affiliation":[{"name":"Vascular Surgery Service, Instituto Nacional de Traumatologia e Ortopedia (INTO), Rio de Janeiro, Rio de Janeiro, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Renata Silveira","family":"Mello","sequence":"additional","affiliation":[{"name":"Liv Care Centro Cl\u00ednico, Niter\u00f3i, Rio de Janeiro, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marcio Gomes","family":"Filippo","sequence":"additional","affiliation":[{"name":"Vascular Surgery Service, Hospital Universit\u00e1rio Clementino Fraga Filho (HUCFF), Universidade Federal do Estado do Rio de Janeiro (UFRJ), Rio de Janeiro, Rio de Janeiro, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Thiago Almeida","family":"Barroso","sequence":"additional","affiliation":[{"name":"Cardiovascular Associated, Bras\u00edlia, Distrito Federal, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jorge Paulo Strogoff","family":"de Mattos","sequence":"additional","affiliation":[{"name":"Nephrology Division, Department of Medicine, Universidade Federal Fluminense (UFF), Niter\u00f3i, Rio de Janeiro, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rossano Kepler Alvim","family":"Fiorelli","sequence":"additional","affiliation":[{"name":"Medical Postgraduate Program, Universidade Federal do Estado do Rio de Janeiro (UNIRIO), Rio de Janeiro, Rio de Janeiro, 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