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Hospital‐related first venous thromboembolism and risk of recurrence

Journal of Thrombosis and Haemostasis, ISSN: 1538-7836, Vol: 14, Issue: 12, Page: 2368-2375
2016
  • 5
    Citations
  • 0
    Usage
  • 16
    Captures
  • 1
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    5
    • Citation Indexes
      5
  • Captures
    16
  • Mentions
    1
    • News Mentions
      1
      • News
        1

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Hospital-acquired VTE with high risk of recurrence

Clinical question: Is the risk of recurrence for a venous thromboembolism (VTE) acquired as an inpatient higher than other reversible risk factors? Background: In patients

Article Description

Unlabelled BoxEssentials•Recurrence risk after a hospital‐related venous thromboembolism (VTE) is underinvestigated.•We explored this association in a cohort of patients with a first VTE from the Tromsø study.•Stratification on hospital‐related factors revealed considerable differences in recurrence risk.•The recurrence risk was high in cases with a VTE related to hospitalization for medical illness. Hospitalization is a well‐established risk factor for first venous thromboembolism (VTE), but the risk of recurrence, particularly in patients hospitalized for conditions other than cancer or surgery, has scarcely been investigated. The cumulative incidence of recurrence in hospital‐related VTE may be influenced by the competing risk of death. To investigate the risk of recurrence and mortality among patients with a first hospital‐related VTE in models with and without death as a competing event. Information on hospital‐related risk factors was collected in 822 patients with a first‐lifetime VTE derived from the Tromsø study. Recurrent VTEs and deaths were recorded during follow‐up (1994–2012). During a median of 2.79 years of follow‐up, 132 patients experienced a recurrent VTE. Stratification on hospital‐related factors revealed considerable differences in recurrence risk. The 5‐year cumulative incidence of recurrence was 27.4%, 11.0% and 20.1% in patients with incident VTEs related to cancer, surgery or other medical illness, respectively, and 18.4% in patients with a non‐hospital‐related first VTE. The mortality rates were high for all subgroups of hospital‐related VTE, except for surgery‐related events. Consequently, the cumulative incidence of recurrence dropped in the competing risk analyses, showing a 5‐year cumulative incidence of 14.4%, 11.7% and 9.7% in patients with a first VTE related to hospitalization for other medical illness, cancer or surgery, respectively. Our findings suggest that patients with incident VTEs related to hospitalization for medical illness other than cancer or surgery have a high recurrence‐risk, even in the presence of competing risk of death.

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