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Br J Surg. 2011 Aug;98(8):1112-6. doi: 10.1002/bjs.7579. Epub 2011 May 27.

Late follow-up of a randomized trial of routine duplex imaging before varicose vein surgery.

Author information

1
Department of Vascular Surgery, Karolinska University Hospital, Stockholm, Sweden. lena.blomgren@karolinska.se

Abstract

BACKGROUND:

Routine preoperative duplex examination led to an improvement in results 2 years after surgery for primary varicose veins. The aim of the present study was to evaluate the impact of preoperative duplex imaging after 7 years, in relation to other risk factors for varicose vein recurrence.

METHODS:

Patients with primary varicose veins were randomized to operation with (group 1), or without (group 2) preoperative duplex imaging. The same patients were invited to attend follow-up with interview, clinical examination and duplex imaging. Quality of life (QoL) was measured with the Short Form 36 questionnaire.

RESULTS:

Some 293 patients (343 legs) were included initially; after 7 years 227 were interviewed, or their records reviewed: 114 in group 1 and 113 in group 2. One hundred and ninety-four legs (95 in group 1 and 99 in group 2) were examined clinically and with duplex imaging. Incompetence was seen at the saphenofemoral junction and/or saphenopopliteal junction in 14 per cent of legs in group 1 and 46 per cent in group 2 (P < 0.001). QoL was similar in both groups. After a mean follow-up of 7 years (and including patients who underwent surgery after the review), 15 legs in group 1 needed reoperation and 38 in group 2 (P = 0.001).

CONCLUSION:

Routine preoperative duplex imaging improved the results of surgery for primary varicose veins for at least 7 years.

TRIAL REGISTRATION:

ClinicalTrials.gov NCT01195623.

PMID:
21618499
DOI:
10.1002/bjs.7579
[Indexed for MEDLINE]

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