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Model of Spyropoulos et al for Identifying a Hospitalized Medical Patient at Risk for Venous Thromboembolism on Admission

Description

Spyropoulos et al evaluated hospitalized medical patients for the risk of venous thromboembolism (VTE). A simple model using 4 parameters can identify a patient at increased risk at the time of hospital admission. The study was performed by the International Medical Prevention Registry on Venous Thromboembolism (IMPROVE) investigators.


 

Parameters:

(1) age of the patient in years

(2) past history of thromboembolism

(3) known thrombophilia

(4) current cancer

 

Parameter

Finding

Points

age of the patient in years

<= 60 years of age

0

 

> 60 years of age

1

history of thromboembolism

no

0

 

yes

3

known thrombophilia

no

0

 

yes

3

current cancer

no

0

 

yes

1

 

total score =

= SUM(points for all 4 parameters)

 

Interpretation:

• minimum score: 0

• maximum score: 8

• The higher the score the greater the risk of venous thromboembolism within the next 3 months.

 

Score

Observed

0 or 1

<= 0.5%

2

1.2%

3 or 4

1.6 to 1.8%

5 to 8

8%

 


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Specialty

ICD-10