Abstract：
:A 5 MHz continuous-wave Doppler probe was used intraoperatively to evaluate 25 in situ saphenous vein bypass grafts. At least one arteriovenous fistula per case and five retained competent posterior valvular leaflets were identified before completion angiography. The Doppler was able to distinguish a retained valve from an arteriovenous fistula on clinical grounds but not by waveform analysis. Intraoperative assessment of in situ saphenous vein bypass grafts with the continuous-wave Doppler can identify retained valves that might be missed by angiography. It can reduce the number of angiograms needed to demonstrate a technically perfect result, thus saving operative time and contrast agent load to the patient.
journal_name
Surgeryjournal_title
Surgeryauthors
Spencer TD,Goldman MH,Hyslop JW,Lee HM,Barnes RWsubject
Has Abstractpub_date
1984-11-01 00:00:00pages
874-7issue
5eissn
0039-6060issn
1532-7361journal_volume
96pub_type
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