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Sökning: (WFRF:(Misselwitz F)) > (2006-2009) > Ultrasound screenin...

  • Schellong, S. M. (författare)

Ultrasound screening for asymptomatic deep vein thrombosis after major orthopaedic surgery: the VENUS study

  • Artikel/kapitelEngelska2007

Förlag, utgivningsår, omfång ...

  • 2007

Nummerbeteckningar

  • LIBRIS-ID:oai:gup.ub.gu.se/43914
  • https://gup.ub.gu.se/publication/43914URI

Kompletterande språkuppgifter

  • Språk:engelska

Ingår i deldatabas

Klassifikation

  • Ämneskategori:ref swepub-contenttype
  • Ämneskategori:art swepub-publicationtype

Anmärkningar

  • Background: Venography is currently used to assess the incidence of deep vein thrombosis (DVT) in dose-finding and confirmatory trials of new antithrombotic agents. Centrally adjudicated, complete compression ultrasound (CCUS) could be a non-invasive alternative to venography. Objectives: A substudy of two, similarly designed, phase IIb trials of a novel, oral anticoagulant for the prevention of venous thromboembolism after elective hip or knee arthroplasty was undertaken to validate CCUS against venography. Patients/Methods: Patients received study drugs until mandatory, bilateral venography was performed 7 +/- 2 days after surgery. CCUS was performed within 24 hours after venography by sonographers blinded to the venography result. Sonographers were trained and certified for the standardized examination and documentation procedure. Venograms and sonograms were adjudicated centrally at different sites by two independent readers; discrepancies between readers were resolved by consensus. Results: A total of 1104 matching pairs of evaluable venograms and sonograms were obtained from the participants of the two trials (n = 1435): 19% of venograms and 20% of sonograms were not evaluable. The observed frequency of any DVT was 18.9% with venography and 11.5% with CCUS. Sensitivity of CCUS compared with venography was 31.1% for any DVT (95% confidence interval 23.4, 38.9), 21.0% (2.7, 39.4) for proximal DVT, and 30.8% (23.1, 38.6) for distal DVT. The figures for specificity were 93.0% (91.0, 95.1), 98.7% (98.0, 99.5), and 93.3% (91.5, 95.3), respectively. Conclusions: Based on these results, centrally adjudicated CCUS will be unable to replace venography for DVT screening early after major orthopaedic surgery in studies evaluating anticoagulant drugs.

Ämnesord och genrebeteckningar

Biuppslag (personer, institutioner, konferenser, titlar ...)

  • Beyer, J. (författare)
  • Kakkar, A. K. (författare)
  • Halbritter, K. (författare)
  • Eriksson, Bengt I.,1946Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper,Institute of Clinical Sciences(Swepub:gu)xerben (författare)
  • Turpie, A. G. (författare)
  • Misselwitz, F. (författare)
  • Kalebo, P. (författare)
  • Göteborgs universitetInstitutionen för kliniska vetenskaper (creator_code:org_t)

Sammanhörande titlar

  • Ingår i:J Thromb Haemost1538-7933

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