• Sarah Pujol, Jeremy Laurent, Thibaut Markarian, Pierre-Géraud Claret, Jean Yves Lefrant, Claire Roger, Laurent Muller, Jean Emmanuel de La Coussaye, Antonia Perez-Martin, and Xavier Bobbia.
• Department of Anesthesiology, Emergency and Critical Care Medicine, Intensive Care Unit, Nîmes University Hospital, place du Pr Debré, 30029 Nîmes, France. Electronic address: s.pujol1986@gmail.com.
• Am J Emerg Med. 2018 Jul 1; 36 (7): 1262-1264.

IntroductionCompression ultrasonography (CUS) is a validated technique for the diagnosis of deep venous thrombosis (DVT), but has never been studied with pocket-sized ultrasound device (PUD). The main objective of this study was to assess the diagnostic performance of CUS made by emergency physicians (EPs) using a PUD.MaterialsThis was a prospective, diagnostic test assessment, single-center study. Patients underwent VCU performed by a trained EP with PUD (CUS-PUD) for searching proximal DVT (PDVT) and were then seen by an expert vascular physician who blindly performed a duplex venous ultrasound, which was the criterion standard. CUS-PUD's diagnostic performance was evaluated by sensitivity (Se), specificity (Sp), and positive and negative predictive values (PPV and NPV).ResultsThe sample included 57 patients of whom 56 were analyzed. Eleven (20%) PDVT were diagnosed with CUS-PUD: 7 (64%) femoral and 4 (36%) popliteal. The CUS-PUD's Se was 100% [72%; 100%], Sp 100% [92%; 100%]. The PPV was 100% [74%; 100%], and the NPV was 100% [90%; 100%].ConclusionCUS-PUD performed with a pocket-sized ultrasound appears to be feasible in emergency practice for the diagnosis of proximal DVT. A study with a larger sample size will have to describe the accuracy.Copyright © 2018 Elsevier Inc. All rights reserved.

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