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The upper extremities of 21 patients in the control group were assessed by clinical examination only; those of 17 in a second group (Doppler group) were also assessed by ultrasonography before and after operation. Straight PTFE vascular access grafts were used between the brachial artery and axillary vein in all patients. The median preoperative brachial artery flow rate was significantly lower in patients who later developed graft thrombosis (66 versus 87 ml\/min, P &amp;lt;0\u00b701), as was the median postoperative graft flow rate (480 versus 800 ml\/min, P &amp;lt;0\u00b7001). Routine preoperative and postoperative colour Doppler ultrasonography is recommended for every patient in whom a vascular access graft is planned.<\/jats:p>","DOI":"10.1002\/bjs.1800820119","type":"journal-article","created":{"date-parts":[[2007,3,3]],"date-time":"2007-03-03T21:21:21Z","timestamp":1172956881000},"page":"50-52","source":"Crossref","is-referenced-by-count":31,"title":["Predictive value of colour Doppler ultrasonography in detecting failure of vascular access grafts"],"prefix":"10.1093","volume":"82","author":[{"given":"C","family":"K\u00f6ksoy","sequence":"first","affiliation":[{"name":"Department of Surgery, University of Ankara , Ankara,","place":["Turkey"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"A","family":"Kuzu","sequence":"additional","affiliation":[{"name":"Department of Surgery, University of Ankara , Ankara,","place":["Turkey"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"\u01cf","family":"Erden","sequence":"additional","affiliation":[{"name":"Department of Radiology, University of Ankara , Ankara,","place":["Turkey"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"A G","family":"T\u00fcrk\u00e7apar","sequence":"additional","affiliation":[{"name":"Department of Surgery, University of Ankara , Ankara,","place":["Turkey"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"\u01cf","family":"D\u00fczg\u00fcn","sequence":"additional","affiliation":[{"name":"Department of Surgery, University of Ankara , Ankara,","place":["Turkey"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"E","family":"Anadol","sequence":"additional","affiliation":[{"name":"Department of Surgery, University of Ankara , Ankara,","place":["Turkey"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"286","published-online":{"date-parts":[[1995,1,1]]},"reference":[{"key":"2024092815371186300_bib1","doi-asserted-by":"crossref","first-page":"235","DOI":"10.1097\/00000658-198508000-00015","article-title":"Vascular access for hemodialysis. 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