{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,13]],"date-time":"2026-07-13T10:16:34Z","timestamp":1783937794802,"version":"3.55.0"},"reference-count":24,"publisher":"SAGE Publications","issue":"7","license":[{"start":{"date-parts":[[2025,11,27]],"date-time":"2025-11-27T00:00:00Z","timestamp":1764201600000},"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":["Phlebology"],"published-print":{"date-parts":[[2026,8]]},"abstract":"<jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Pelvic venous compression syndromes (PVCS) are often underdiagnosed causes of chronic venous disease and deep vein thrombosis. This study evaluates whether duplex ultrasound and venography predict significant pelvic vein compression confirmed by intravascular ultrasound (IVUS).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Method<\/jats:title>\n                    <jats:p>Retrospective cohort of 237 adults with lower extremity symptoms undergoing duplex ultrasound including continuous spectral doppler waveform identification without volumetric flow, venography, and IVUS. Patients were classified by presence of \u226550% stenosis on IVUS. Logistic regression identified predictors.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Result<\/jats:title>\n                    <jats:p>\n                      Reduced compressibility of the common femoral vein predicted \u226550% stenosis on venography bilaterally (left\n                      <jats:italic toggle=\"yes\">p<\/jats:italic>\n                      = .025; right\n                      <jats:italic toggle=\"yes\">p<\/jats:italic>\n                      = .014). The presence of thrombosis predicted \u226550% stenosis bilaterally (left\n                      <jats:italic toggle=\"yes\">p<\/jats:italic>\n                      = .015; right\n                      <jats:italic toggle=\"yes\">p<\/jats:italic>\n                      = .009), and abnormal spontaneity on the right also predicted \u226550% stenosis (\n                      <jats:italic toggle=\"yes\">p<\/jats:italic>\n                      = .033). On duplex ultrasound, the absence of reflux (\n                      <jats:italic toggle=\"yes\">p<\/jats:italic>\n                      = .008) and normal valvular competency (\n                      <jats:italic toggle=\"yes\">p<\/jats:italic>\n                      = .008) on the left were associated with \u226550% stenosis on IVUS. Conversely, continuous phasicity (\n                      <jats:italic toggle=\"yes\">p<\/jats:italic>\n                      = .036) and continuous flow (\n                      <jats:italic toggle=\"yes\">p<\/jats:italic>\n                      = .035) on the left predicted &lt;50% stenosis on IVUS.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Certain duplex ultrasound features may serve as early noninvasive markers of PVCS, aiding timely IVUS referral and intervention. Prospective studies are warranted.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/02683555251405130","type":"journal-article","created":{"date-parts":[[2025,11,27]],"date-time":"2025-11-27T10:44:03Z","timestamp":1764240243000},"page":"611-616","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["Predictors of pelvic venous compression on intravascular ultrasound from duplex ultrasound and venography"],"prefix":"10.1177","volume":"41","author":[{"ORCID":"https:\/\/orcid.org\/0009-0003-1480-4042","authenticated-orcid":false,"given":"Kevin","family":"Rivera","sequence":"first","affiliation":[{"name":"Department of Emergency Medicine, The Ohio State University"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hannah","family":"Lee","sequence":"additional","affiliation":[{"name":"Department of Medical Education, Rocky Vista University"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"David","family":"Manukian","sequence":"additional","affiliation":[{"name":"Department of Medical Education, Frist College of Medicine at Belmont University"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sam","family":"Ahn","sequence":"additional","affiliation":[{"name":"Department of Surgery, Texas Christian University"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2025,11,27]]},"reference":[{"key":"e_1_3_6_2_2","doi-asserted-by":"publisher","DOI":"10.1177\/000331975700800505"},{"key":"e_1_3_6_3_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.jvs.2003.12.032"},{"key":"e_1_3_6_4_2","doi-asserted-by":"publisher","DOI":"10.1016\/S1051-0443(07)61796-5"},{"key":"e_1_3_6_5_2","doi-asserted-by":"publisher","DOI":"10.1259\/bjr.20130284"},{"key":"e_1_3_6_6_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.avsg.2013.05.001"},{"issue":"3","key":"e_1_3_6_7_2","first-page":"231","article-title":"May-Thurner syndrome: a not so uncommon cause of a common condition","volume":"25","author":"Peters M","year":"2012","unstructured":"Peters M, Syed RK, Katz M, et al. 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