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Risk Stratification for Venous Thromboembolism in Hospitalized Medical Patients

Completed
Conditions
Venous Thromboembolism
Pulmonary Embolism
Deep Vein Thrombosis
Mobility Limitation
Hospital Acquired Condition
Venous Thromboses
Embolism and Thrombosis
Registration Number
NCT04439383
Lead Sponsor
Insel Gruppe AG, University Hospital Bern
Brief Summary

Hospital-acquired venous thromboembolism (HA-VTE) is one of the leading preventable causes of in-hospital mortality, but prevention of VTE in hospitalized medical patients remains challenging, as preventive measures such as pharmacological thromboprophylaxis (TPX) need to be tailored to individual thrombotic risk.

The broad objective of this project is to improve VTE prevention strategies in hospitalized medical patients by prospectively examining VTE risk factors (including mobility) and comparing existing risk assessment models.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
1353
Inclusion Criteria
  • Age ≥18 years
  • Admitted for hospitalization >24 hours on a general internal medicine ward
  • Informed consent as documented by signature
Exclusion Criteria
  • Need for therapeutic anticoagulation (e.g., atrial fibrillation)
  • Life expectancy <30 days
  • Insufficient proficiency of the German or French language
  • Unwilling to provide informed consent
  • Prior enrolment in the study

Study & Design

Study Type
OBSERVATIONAL
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
Venous thromboembolismWithin 90 days of initial hospital admission

Symptomatic, objectively confirmed fatal and non-fatal hospital-acquired venous thromboembolism, including symptomatic distal and proximal deep vein thrombosis and pulmonary embolism after hospital admission

Secondary Outcome Measures
NameTimeMethod
All-cause mortalityDuring hospitalization (an average of 7 days) and up to 90 days of initial hospital admission

All-cause mortality (all causes of death will be considered)

Major bleedingDuring hospitalization (an average of 7 days) and up to 90 days of initial hospital admission

Major bleeding will be defined as fatal bleeding, symptomatic bleeding at critical sites (intracranial, intraspinal, intraocular, retroperitoneal, intraarticular, pericardial, or intramuscular with compartment syndrome), or bleeding with a reduction of hemoglobin of at least 20 g/L or bleeding leading to transfusion of 2 or more units of packed red blood cells according to the definition of the International Society on Thrombosis and Haemostasis

Clinically relevant non-major bleedingDuring hospitalization (an average of 7 days) and up to 90 days of initial hospital admission

Clinically relevant non-major bleeding, defined as overt bleeding that does not meet criteria for major bleeding but is associated with a medical intervention, unscheduled physician contact (visit or telephone call), or pain or impairment of activities of daily life

Venous thromboembolismDuring the initial hospitalization, an average of 7 days

Symptomatic, objectively confirmed fatal and non-fatal hospital-acquired venous thromboembolism, including symptomatic distal and proximal deep vein thrombosis and pulmonary embolism during hospitalization

Patient autonomy in the activities of daily livingAt discharge (an average of 7 days after initial hospital admission) and at 90 days after admission

Patient autonomy in the activities of daily living as assessed by the modified Barthel Index

Length of hospital staywithin 90 days of initial hospital admission

Length of hospital stay, defined as the time/date of discharge minus time/date of admission at the hospital ward

Subsequent hospitalizationsWithin 90 days of initial hospital admission

Subsequent hospitalization, defined as hospital readmissions

Trial Locations

Locations (3)

Geneva University Hospital

🇨🇭

Geneva, Switzerland

Inselspital, Bern University Hospital

🇨🇭

Bern, Switzerland

University Hospital of Lausanne

🇨🇭

Lausanne, Switzerland

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