Evaluating the use of compression stockings to prevent blood clots in low-risk surgical patients

Examining the Benefit of Graduated Compression Stockings in the Prevention of vEnous Thromboembolism in Low-risk Surgical Patients: a Multicentre Cluster Randomised Controlled Trial (PETS)

Not applicable Interventional Imperial College London · NCT05347550

This study is testing if wearing compression stockings can help low-risk surgical patients avoid blood clots after their short hospital stay.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment21472 (estimated)
Ages18 Years to 59 Years
SexAll
SponsorImperial College London Academic / other
Locations9 sites (Barnsley and 8 other locations)
Trial IDNCT05347550 on ClinicalTrials.gov

What this trial studies

This study investigates the effectiveness of graduated compression stockings in preventing venous thromboembolism (VTE) among adults undergoing short-stay surgical procedures. It focuses on low-risk patients who are typically discharged within 48 hours and assesses whether the use of these stockings is beneficial in reducing the incidence of blood clots. The study aims to determine if the costs associated with providing these stockings are justified by their potential benefits, given the discomfort they may cause. By analyzing outcomes in this specific patient population, the research seeks to provide clarity on the necessity of this common practice.

Who should consider this trial

Good fit: Ideal candidates for this study are adults aged 18-59 scheduled for low-risk surgical procedures with a hospital stay of less than 48 hours.

Not a fit: Patients who are at moderate or high risk of developing VTE or have contraindications to wearing graduated compression stockings will not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to more informed decisions regarding the use of compression stockings, potentially reducing unnecessary costs and discomfort for patients.

How similar studies have performed: While the use of compression stockings is common, this study addresses a specific low-risk population, making it a novel investigation in this context.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Adults (18-59 years of age) scheduled to undergo a surgical procedure with a hospital stay \<48 hours
* Individuals assessed as being at low-risk of developing VTE as per the DHRA Tool (i.e. no assessed thrombosis risk factors / scoring 0)

Exclusion Criteria:

* Individuals with a contraindication to GCS
* Individuals assessed as being at moderate or high-risk of VTE as per the DHRA tool
* Individuals requiring therapeutic anticoagulation
* Individuals with thrombophilia/ thrombogenic disorder
* Individuals with a previous history of VTE
* Individuals requiring intermittent pneumatic compression therapy beyond theatre and recovery
* Individuals requiring extended thromboprophylaxis beyond discharge
* Female patients of childbearing age who have a positive pregnancy test
* Individuals with lower limb immobilisation
* Inability to provide informed consent

Where this trial is running

Barnsley and 8 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Venous ThromboembolismClusterDeep Vein ThrombosisPulmonary Embolism
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.