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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
10
pubmed:dateCreated
2000-11-27
pubmed:abstractText
Carriers of a mutation in the prothrombin (clotting factor II) or factor V gene have a 2- to 4-fold greater risk for venous thromboembolism than subjects without the mutations. Whether both mutations also predispose to recurrent venous thromboembolism is unclear. Outpatients who had a first episode of proven symptomatic deep-vein thrombosis and a long-term follow-up were studied. The outcome measure was the cumulative incidence of confirmed venous thromboembolic complications. Two hundred fifty-one patients were enrolled in the study. Mean duration of follow-up was 8.3 years. The prothrombin gene mutation was demonstrated in 27 patients (prevalence, 10.8%; 95% CI, 6.9 to 14.6), and the factor V gene mutation was demonstrated in 41 patients (prevalence, 16.3%; 95% CI, 11.8 to 20.9). The cumulative incidence of venous thromboembolic complications after 10 years was 61.3% (95% CI, 35.7 to 87.9), and the hazard ratio was 2.4 (95% CI, 1.3 to 4.7; P =.004) in patients with the prothrombin gene mutation); the cumulative incidence of venous thromboembolic complications after 10 years was 55.2% (95% CI, 36.4 to 74.0), and the hazard ratio was 2.4 (95% CI, 1.4 to 4.1; P =.001) in patients with the factor V gene mutation. In comparison, the cumulative incidence of venous thromboembolic complications after 10 years was 23.1% (95% CI, 16.2 to 30.1) in patients without the mutations. Prothrombin and factor V gene mutations occur frequently in patients with venous thrombosis and are associated with an increased risk for recurrent venous thromboembolic complications.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
AIM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Nov
pubmed:issn
0006-4971
pubmed:author
pubmed:issnType
Print
pubmed:day
15
pubmed:volume
96
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
3329-33
pubmed:dateRevised
2004-11-17
pubmed:meshHeading
pubmed:year
2000
pubmed:articleTitle
Risk for subsequent venous thromboembolic complications in carriers of the prothrombin or the factor V gene mutation with a first episode of deep-vein thrombosis.
pubmed:affiliation
Department of Medical and Surgical Sciences, Second Chair of Internal Medicine, University Hospital of Padua, Italy.
pubmed:publicationType
Journal Article