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• W2574018500 abstract "Objective: To compare physical examination (PE) and continuous-wave hand-held Doppler (CWD) examination with colour flow duplex scanning as a gold standard for greater saphenous vein (GSV) reflux. Design: Prospective performance of PE and CWD by two clinical examiners and subsequent duplex scanning by two vascular laboratory technicians unaware of the results of the PE and CWD examinations. Tapes were then reviewed; results of the duplex scanning were compared with physical and CWD findings. Patients: Thirty-one women and nine men, aged 27–64 years, with symptomatic class I primary varicosities in distribution of the GSV. Eighty limbs were evaluated Prospectively in 40 consecutive patients, including 22 limbs in 14 patients with a history of prior GSV stripping. Interventions: GSV ligation and stripping in 50 limbs when duplex demonstrated saphenofemoral or truncal reflux; 30 limbs were treated by stab avulsion, cluster excision and sclerotherapy. Main outcome measures: Demonstration of saphenofemoral reflux by duplex was confirmed by operative findings. Sensitivity, specificity and positive and negative predictive values of PE and CWD were calculated in comparison to duplex scans. Results: For PE, sensitivity ad specificity were 48% and 73%; positive predictive and negative predictive values were 75% and 46%. For CWD, sensitivity and specificity were 48% and 83%; positive predictive and negative predictive values were 83% and 44%. CWD was falsely positive for saphenofemoral reflux in 10 instances. The GSV was spared in these 10 limbs and in 20 other limbs based on negative colour flow duplex examinations. At 12–18 months clinical results were similar in 50 limbs treated by ligation and GSV stripping as compared with 30 treated by stab avulsion, cluster and sclerotherapy. Conclusion: Sensitivity and negative predictive values for PE and CWD were low while specificity and postitive predictive values were high. CWD false postitives were due to insonation of veins close to the bulb or upper superficial femoral vein reflux subsequently detected by duplex scans. Colour flow duplex scanning is recommended prior to intervention for primary saphenous varicosities; exceptions occur in slender subjects where PE and CWD are more specific and predictive for reflux." @default.
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• W2574018500 date "1993-03-01" @default.
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• W2574018500 title "Physical Examination, Doppler Ultrasound and Colour Flow Duplex Scanning: Guides to Therapy for Primary Varicose Veins" @default.
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• W2574018500 doi "https://doi.org/10.1177/026835559300800103" @default.
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