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Singapore medical journal ; : 595-598, 2012.
Article Dans Anglais | WPRIM | ID: wpr-249663

Résumé

<p><b>INTRODUCTION</b>Patients with suspected deep vein thrombosis (DVT) pose a diagnostic dilemma to the Emergency Department (ED) clinician. This study aimed to implement a known algorithm incorporating the modified Wells criteria and D-dimer testing to guide the ED clinician, thus reducing unnecessary ultrasound scans (USS).</p><p><b>METHODS</b>Patients who presented to the ED between August 2008 and April 2009 with suspected DVT underwent Wells scoring. Those with scores < 2 were deemed unlikely to have DVT and underwent D-dimer testing first. Patients with scores ≥ 2 were regarded as likely to have DVT and underwent urgent USS. USS findings were tabulated as positive or negative/indeterminate for DVT. The latter group was followed up for one year to check whether DVT was missed during the initial USS.</p><p><b>RESULTS</b>75 patients presented with suspected DVT and underwent USS. Of these, 14 results were positive and 61 were negative. 37 patients had Wells scores < 2, with three (8.1%) having DVT. Another 38 patients had Wells scores ≥ 2, with 11 (28.9%) having DVT. D-dimer testing was performed on 27 of the 75 patients. Those with DVT had higher average values compared to those without DVT (1.305 vs. 0.595 µg/ml). The majority of patients with raised D-dimer values had cellulitis, although three also had DVT (with values ≥ 0.99 µg/ml).</p><p><b>CONCLUSION</b>We managed to reduce the number of unnecessary USS and increase the pick-up rate of DVT. A cut-off score ≥ 2 in our algorithm is suitable for use in the ED setting.</p>


Sujets)
Adolescent , Adulte , Sujet âgé , Sujet âgé de 80 ans ou plus , Femelle , Humains , Mâle , Adulte d'âge moyen , Algorithmes , Marqueurs biologiques , Métabolisme , Analyse coût-bénéfice , Urgences , Produits de dégradation de la fibrine et du fibrinogène , Métabolisme , Indicateurs d'état de santé , Courbe ROC , Sensibilité et spécificité , Singapour , Échographie , Procédures superflues , Économie , Thrombose veineuse , Diagnostic , Imagerie diagnostique
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