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Thromb Haemost 2002; 88(04): 592-597
DOI: 10.1055/s-0037-1613261
Review Article
Schattauer GmbH

High Prevalence of Asymptomatic Deep Vein Thrombosis on Admission in a Medical Unit among Elderly Patients

The TADEUS Project
Emmanuel Oger
1   GETBO, Groupe d’Etude de la Thrombose de Bretagne Occidentale
,
Luc Bressollette
2   Vascular Ultrasonography Unit, Hôpital de la Cavale Blanche, Brest, France
,
Michel Nonent
3   Department of Radiology, Hôpital de la Cavale Blanche, Brest, France
,
Karine Lacut
1   GETBO, Groupe d’Etude de la Thrombose de Bretagne Occidentale
,
Bruno Guias
2   Vascular Ultrasonography Unit, Hôpital de la Cavale Blanche, Brest, France
,
Francis Couturaud
1   GETBO, Groupe d’Etude de la Thrombose de Bretagne Occidentale
,
Christophe Leroyer
1   GETBO, Groupe d’Etude de la Thrombose de Bretagne Occidentale
,
Dominique Mottier
1   GETBO, Groupe d’Etude de la Thrombose de Bretagne Occidentale
› Author AffiliationsSupported by Ministere de l’Emploi et de la Solidarite (Projet Hospitalier de Recherche Clinique 1998)
Further Information

Publication History

Received 23 January 2002

Accepted after resubmission 26 June 2002

Publication Date:
09 December 2017 (online)

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Summary

The prevention of venous thromboembolism in medical patients remains questioned. All consecutive outpatients admitted in our medical unit were considered for inclusion in this study which aimed to estimate the prevalence of asymptomatic venous thrombosis on admission and the incidence during hospital stay. Exclusion criteria were: age <18 years, suspicion of venous thromboembolism, stay <4 days, ongoing anticoagulant therapy. Venous compression ultrasonography of the lower limbs was performed within 48 h. 234 patients were included. The prevalence of asymptomatic deep vein thrombosis on admission and the incidence during hospital follow-up were respectively 5.5% (95% confidence interval, 3.1 to 9.5%) and 2.6 per 1000 person-days (95% confidence interval, 0.0 to 5.2). The prevalence and the incidence reached respectively 17.8% (95% confidence interval, 8.5 to 32.6%) and 6.0 per 1000 person-days (95% confidence interval, 0.0 to 12.7) among patients over 80 years. A high prevalence of asymptomatic deep vein thrombosis on admission was suggested particularly among elderly medical patients.

Keywords

Venous thrombosis - ultrasonography - elderly - epidemiology
 

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