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STOP leg clots-Swedish multicentre trial of outpatient prevention of leg clots : study protocol for a randomised controlled trial on the efficacy of intermittent pneumatic compression on venous thromboembolism in lower leg immobilised patients

Svedman, Simon (author)
Karolinska Institutet
Alkner, Björn, 1968- (author)
Linköpings universitet,Avdelningen för kirurgi, ortopedi och onkologi,Medicinska fakulteten,Department of Orthopaedics, Eksjö, Region Jönköping County, Sweden
Berg, Hans E (author)
Karolinska Institutet
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Domeij-Arverud, Erica (author)
Karolinska Institutet
Jonsson, Kenneth B (author)
Uppsala universitet,Ortopedi,Uppsala Univ Hosp, Sweden
Nilsson Helander, Katarina (author)
Sahlgrens Univ Hosp, Sweden
Ackermann, Paul W (author)
Karolinska Institutet
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 (creator_code:org_t)
2021-05-20
2021
English.
In: BMJ Open. - : BMJ Publishing Group Ltd. - 2044-6055. ; 11:5
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • Introduction: Leg immobilisation in a cast or an orthosis after lower limb injuries is associated with a high risk of complications of venous thromboembolism (VTE) and hampered healing. Current pharmacoprophylaxes of VTE are inefficient and associated with adverse events. Intermittent pneumatic compression (IPC) could represent a novel, efficient and safe VTE-prophylactic alternative that may enhance injury healing. The aim of STOP leg clots is to assess the efficacy of adjuvant IPC-therapy on reduction of VTE incidence and improvement of healing in lower leg immobilised outpatients.Methods and analys: STOP leg clots is a multicentre randomised controlled superiority trial. Eligible patients (700 patients/arm) with either an acute ankle fracture or Achilles tendon rupture will be randomised to either addition of IPC during lower-leg immobilisation or to treatment-as-usual. The primary outcome will be the total VTE incidence, that is, symptomatic and asymptomatic deep venous thrombosis (DVT) or symptomatic pulmonary embolism (PE), during the leg immobilisation period, approximately 6-8 weeks. DVT incidence will be assessed by screening whole leg compression duplex ultrasound at removal of leg immobilisation and/or clinically diagnosed within the time of immobilisation. Symptomatic PE will be verified by CT.Secondary outcomes will include patient-reported outcome using validated questionnaires, healing evaluated by measurements of tendon callus production and changes in VTE-prophylactic mechanisms assessed by blood flow and fibrinolysis. Data analyses will be blinded and based on the intention-to-treat.

Subject headings

MEDICIN OCH HÄLSOVETENSKAP  -- Klinisk medicin -- Kardiologi (hsv//swe)
MEDICAL AND HEALTH SCIENCES  -- Clinical Medicine -- Cardiac and Cardiovascular Systems (hsv//eng)
MEDICIN OCH HÄLSOVETENSKAP  -- Medicinska och farmaceutiska grundvetenskaper -- Fysiologi (hsv//swe)
MEDICAL AND HEALTH SCIENCES  -- Basic Medicine -- Physiology (hsv//eng)
MEDICIN OCH HÄLSOVETENSKAP  -- Klinisk medicin -- Kirurgi (hsv//swe)
MEDICAL AND HEALTH SCIENCES  -- Clinical Medicine -- Surgery (hsv//eng)

Keyword

anticoagulation
foot & ankle
orthopaedic & trauma surgery
orthopaedic sports trauma
thromboembolism
ultrasound

Publication and Content Type

ref (subject category)
art (subject category)

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