Ultrasonography to Guide Duration of Anticoagulation in DVT
Authors: Paolo Prandoni
Journal: Annals of Internal Medicine (2009)

Letters1 December 2009Ultrasonography to Guide Duration of Anticoagulation in DVTPaolo Prandoni, MD, PhD, Anthonie W.A. Lensing, MD, PhD, and Martin H. Prins, MD, PhDPaolo Prandoni, MD, PhDFrom University of Padua, 35128 Padua, Italy; University of Amsterdam, Amsterdam, the Netherlands; and University of Maastricht, NL-6200 MD Maastricht, the Netherlands.Search for more papers by this author, Anthonie W.A. Lensing, MD, PhDFrom University of Padua, 35128 Padua, Italy; University of Amsterdam, Amsterdam, the Netherlands; and University of Maastricht, NL-6200 MD Maastricht, the Netherlands.Search for more papers by this author, and Martin H. Prins, MD, PhDFrom University of Padua, 35128 Padua, Italy; University of Amsterdam, Amsterdam, the Netherlands; and University of Maastricht, NL-6200 MD Maastricht, the Netherlands.Search for more papers by this authorAuthor, Article, and Disclosure Informationhttps://doi.org/10.7326/0003-4819-151-11-200912010-00026 SectionsAboutFull TextPDF ToolsAdd to favoritesDownload CitationsTrack CitationsPermissions ShareFacebookTwitterLinkedInRedditEmail IN RESPONSE:In response to Dr. Kim, in patients with acute symptomatic proximal DVT who have been treated for 3 to 6 months with conventional anticoagulation, residual thrombosis on ultrasonography was consistently shown to occur in 60%, 40%, and 30% of patients at 6, 12, and 24 months, respectively (1, 2). In our study, 29.5% of patients randomly assigned to the recommended fixed duration of anticoagulation still had residual thrombosis at their last ultrasonography assessment, which was performed after 1 year in patients with secondary DVT and after 2 years in patients with unprovoked DVT. This rate was statistically significantly ...References1. Prandoni P, Cogo A, Bernardi E, Villalta S, Polistena P, Simioni P, et al. A simple ultrasound approach for detection of recurrent proximal-vein thrombosis. Circulation. 1993;88:1730-5. [PMID: 8403319] CrossrefMedlineGoogle Scholar2. Prandoni P, Lensing AW, Prins MH, Bernardi E, Marchiori A, Bagatella P, et al. Residual venous thrombosis as a predictive factor of recurrent venous thromboembolism. Ann Intern Med. 2002;137:955-60. [PMID: 12484710] LinkGoogle Scholar3. Piovella F, Crippa L, Barone M, Viganò D'Angelo S, Serafini S, Galli L, et al. Normalization rates of compression ultrasonography in patients with a first episode of deep vein thrombosis of the lower limbs: association with recurrence and new thrombosis. Haematologica. 2002;87:515-22. [PMID: 12010666] MedlineGoogle Scholar4. Young L, Ockelford P, Milne D, Rolfe-Vyson V, Mckelvie S, Harper P. Post-treatment residual thrombus increases the risk of recurrent deep vein thrombosis and mortality. J Thromb Haemost. 2006;4:1919-24. [PMID: 16836658] CrossrefMedlineGoogle Scholar Author, Article, and Disclosure InformationAuthors: Paolo Prandoni, MD, PhD; Anthonie W.A. Lensing, MD, PhD; Martin H. Prins, MD, PhDAffiliations: From University of Padua, 35128 Padua, Italy; University of Amsterdam, Amsterdam, the Netherlands; and University of Maastricht, NL-6200 MD Maastricht, the Netherlands.Disclosures: None disclosed. PreviousarticleNextarticle Advertisement FiguresReferencesRelatedDetailsSee AlsoResidual Venous Thrombosis as a Predictive Factor of Recurrent Venous Thromboembolism Paolo Prandoni , Anthonie W.A. Lensing , Martin H. Prins , Enrico Bernardi , Antonio Marchiori , Paola Bagatella , Michela Frulla , Laura Mosena , Daniela Tormene , Andrea Piccioli , Paolo Simioni , and Antonio Girolami Residual Thrombosis on Ultrasonography to Guide the Duration of Anticoagulation in Patients With Deep Venous Thrombosis Paolo Prandoni , Martin H. Prins , Anthonie W.A. Lensing , Angelo Ghirarduzzi , Walter Ageno , Davide Imberti , Gianluigi Scannapieco , Giovanni B. Ambrosio , Raffaele Pesavento , Stefano Cuppini , Roberto Quintavalla , Giancarlo Agnelli , and Ultrasonography to Guide Duration of Anticoagulation in DVT Jongoh Kim Ultrasonography to Guide Duration of Anticoagulation in DVT Stephan Imfeld , Daniel Staub , Heiko Uthoff , Thomas Baldi , Markus Aschwanden , and Kurt A. Jaeger Metrics 1 December 2009Volume 151, Issue 11Page: 826-827KeywordsAnticoagulantsConflicts of interestMedical risk factorsThrombosisUltrasound imagingVenous thromboembolism ePublished: 1 December 2009 Issue Published: 1 December 2009 Copyright & PermissionsCopyright © 2009 by American College of Physicians. All Rights Reserved.PDF downloadLoading ...