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Lancet. 1997 Mar 15;349(9054):759-62.

Randomised trial of effect of compression stockings in patients with symptomatic proximal-vein thrombosis.

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  • 1Centre for Haemostasis, Thrombosis, Atherosclerosis, and Inflammation Research, Academic Medical Centre, Amsterdam, Netherlands.

Abstract

BACKGROUND:

Post-thrombotic syndrome varies from mild oedema to incapacitating swelling with pain and ulceration. We investigated the rate of post-thrombotic syndrome after a first episode of deep-vein thrombosis and assessed the preventive effect of direct application of a sized-to-fit graded compression stocking.

METHODS:

Patients with a first episode of venogram-proven proximal deep-vein thrombosis were randomly assigned no stockings (the control group) or made-to-measure graded compression elastic stockings for at least 2 years. Post-thrombotic syndrome was assessed with a standard scoring system that combined clinical characteristics and objective leg measurements. Patients were assessed every 3 months during the first 2 years, and every 6 months thereafter for at least 5 years. The cumulative incidence of mild-to-moderate post-thrombotic syndrome was the primary outcome measure.

FINDINGS:

Of the 315 consecutive outpatients considered for inclusion, 44 were excluded and 77 did not consent to take part. 194 patients were randomly assigned compression stockings (n = 96) or no stockings (n = 98). The median follow-up was 76 months (range 60-96) in both groups. Mild-to-moderate post-thrombotic syndrome (score > or = 3 plus one clinical sign) occurred in 19 (20%) patients in the stocking group and in 46 (47%) control-group patients (p < 0.001). 11 (11%) patients in the stocking group developed severe post-thrombotic syndrome (score > or = 4), compared with 23 (23%) patients in the control group (p < 0.001). In both groups, most cases of post-thrombotic syndrome occurred within 24 months of the acute thrombotic event.

INTERPRETATION:

About 60% of patients with a first episode of proximal deep-vein thrombosis develop post-thrombotic syndrome within 2 years. A sized-to-fit compression stocking reduced this rate by about 50%.

Comment in

  • ACP J Club. 1997 Sep-Oct;127(2):35.
PMID:
9074574
[PubMed - indexed for MEDLINE]
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