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Acta Orthop. 2006 Oct;77(5):767-71.

Low incidence of deep vein thrombosis after knee arthroscopy without thromboprophylaxis: a prospective cohort study of 335 patients.

Author information

1
Department of Vascular Medicine, Academic Medical Center, University of Amsterdam, the Netherlands.

Abstract

BACKGROUND:

There is little data on the risk of deep vein thrombosis after knee arthroscopy.

PATIENTS AND METHODS:

We performed a prospective cohort study to establish the incidence of venous thrombo-embolic (VTE) complications after knee arthroscopy in daycare, as detected by bilateral complete compression ultrasonography (CCUS) at day 14 (11-17) postoperatively. 335 patients completed bilateral extended ultrasound. No thromboprophylaxis was given.

RESULTS:

19 (5.7%; 95% CI: 3.5%-8.7%) showed VTE on CCUS, of whom 2 were symptomatic. 1 patient developed a non-fatal pulmonary embolus during the 8-week follow-up period. There was no difference in immobilization characteristics between the patients who developed postoperative DVT and those who did not; nor could other risk factors be identified.

INTERPRETATION:

Since the incidence of VTE is low and a specific high-risk group for the development of VTE could not be identified, it seems justified to withhold routine pharmacological thromboprophylaxis after arthroscopy of the knee in a daycare setting.

PMID:
17068708
DOI:
10.1080/17453670610012962
[Indexed for MEDLINE]

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