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Updated: Jun 12, 2026

A Multicenter MRI Protocol for the Evaluation and Quantification of Deep Vein Thrombosis
Published on: June 2, 2015
Ambulation after deep vein thrombosis: a systematic review
Cathy M Anderson1, Tom J Overend, Julie Godwin
1Cathy M. Anderson, BHSc PT, MSc: Clinical Specialist, Physiotherapy, London Health Sciences Centre, London, Ontario.
Purpose:
To systematically review the effects of early ambulation on development of pulmonary embolism (PE) and progression or development of a new thrombus in patients with acute deep vein thrombosis (DVT).
Methods:
Medline, PubMed, CINAHL, EMBASE, PEDro, and Cochrane Library databases were searched from inception to June 2008. Study quality was appraised using the Jadad and PEDro scales. Meta-analyses were reported as relative risks (RR) and 95% confidence intervals (CI).
Results:
Four randomized trials were accepted. For development of a PE, the pooled relative risks for ambulation and compression versus bed rest and compression (RR = 0.63, 95% CI: 0.34-1.19) and for ambulation and compression versus bed rest alone (RR = 1.36, 95% CI: 0.57-3.29) were not significant. For progression of an existing thrombus or development of a new thrombus, the independent relative risks for ambulation and compression versus bed rest and compression (RR = 0.39, 95% CI: 0.13-1.14) and for ambulation and compression versus bed rest alone (RR = 0.56, 95% CI: 0.20-1.57) were also not significant.
Conclusions:
Given the clinical benefits of mobility, and because there was no significant difference between ambulation and bed rest for risk of developing a PE or development and progression of a new DVT in any of the studies, clinicians should be confident in prescribing ambulation in this population.
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