{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,29]],"date-time":"2026-04-29T21:15:03Z","timestamp":1777497303411,"version":"3.51.4"},"reference-count":18,"publisher":"SAGE Publications","issue":"3","license":[{"start":{"date-parts":[[2022,12,23]],"date-time":"2022-12-23T00:00:00Z","timestamp":1671753600000},"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":["Clinical Hemorheology and Microcirculation"],"published-print":{"date-parts":[[2023,4,7]]},"abstract":"<jats:sec>\n                    <jats:title>BACKGROUND:<\/jats:title>\n                    <jats:p>Venous malformations tend to retain their slow-flow behavior, even in progressive disease or regression following therapy.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>OBJECTIVE:<\/jats:title>\n                    <jats:p>The aim of this study is to analyze the development of acquired hemodynamic relevant arterio-venous fistulae in patients with slow-flow malformations.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>METHODS:<\/jats:title>\n                    <jats:p>This study is a retrospective analysis based on a consecutive local registry at a tertiary care Interdisciplinary Center for Vascular Anomalies. Patients with venous malformations and development of secondary arterio-venous fistulae were included. Indications for therapy of the vascular malformation were based on patients\u2019 symptoms and complications. The following endpoints were of clinical interest and were assessed: origin of development of arteriovenous fistula, development of secondary comorbidities as a result of the vascular malformation. For analysis we focused on descriptive statistics.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>RESULTS:<\/jats:title>\n                    <jats:p>Out of 1213 consecutive patients with vascular malformations, in 6 patients perfusion changed from slow flow to arterio-venous fast-flow patterns. Four patients developed the fistula after local trauma in the area of the malformation, the other 2 patients developed the fistula due to progression of the disease and recurrent thrombophlebitis. These 2 patients had no trauma or interventions at the time of arterio-venous fistula development.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>CONCLUSIONS:<\/jats:title>\n                    <jats:p>Acquired arterio-venous fast-flow fistula in patients with slow flow vascular malformation is very rare and might be a result of local trauma or the progression of the disease with recurrent thrombophlebitis. Specific evidence-based treatment options for these patients do not exist.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.3233\/ch-221610","type":"journal-article","created":{"date-parts":[[2022,12,23]],"date-time":"2022-12-23T11:47:00Z","timestamp":1671796020000},"page":"207-215","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":5,"title":["Development of hemodynamically relevant acquired arterio-venous fistulae in patients with venous malformations"],"prefix":"10.1177","volume":"83","author":[{"given":"D.","family":"Schramm","sequence":"first","affiliation":[{"name":"Clinic and Policlinic of Diagnostic Radiology, Martin-Luther University Halle-Wittenberg, Halle (Saale), Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"W.A.","family":"Wohlgemuth","sequence":"additional","affiliation":[{"name":"Clinic and Policlinic of Diagnostic Radiology, Martin-Luther University Halle-Wittenberg, Halle (Saale), Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M.","family":"Guntau","sequence":"additional","affiliation":[{"name":"Clinic and Policlinic of Diagnostic Radiology, Martin-Luther University Halle-Wittenberg, Halle (Saale), Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M.","family":"Wieprecht","sequence":"additional","affiliation":[{"name":"Clinic and Policlinic of Diagnostic Radiology, Martin-Luther University Halle-Wittenberg, Halle (Saale), Germany"},{"name":"Department of Radiology, Asklepios Klinik Weissenfels, Weissenfels, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"A.","family":"Deistung","sequence":"additional","affiliation":[{"name":"Clinic and Policlinic of Diagnostic Radiology, Martin-Luther University Halle-Wittenberg, Halle (Saale), Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"O.","family":"Bidakov","sequence":"additional","affiliation":[{"name":"Clinic and Policlinic of Diagnostic Radiology, Martin-Luther University Halle-Wittenberg, Halle (Saale), Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M.","family":"Wildgruber","sequence":"additional","affiliation":[{"name":"Clinic and Policlinic of Radiology, Ludwigs-Maximilians University Munich, Munich, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"R.","family":"Brill","sequence":"additional","affiliation":[{"name":"Clinic and Policlinic of Diagnostic Radiology, Martin-Luther University Halle-Wittenberg, Halle (Saale), Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"B.","family":"Cucuruz","sequence":"additional","affiliation":[{"name":"Clinic and Policlinic of Diagnostic Radiology, Martin-Luther University Halle-Wittenberg, Halle (Saale), Germany"},{"name":"Clinic for Vascular Surgery, University Hospital Regensburg, Regensburg, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2022,12,23]]},"reference":[{"key":"ref001","unstructured":"BoonLM, VikkulaM Vascular malformations. 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