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A Practical Guide to Haemostasis


Venous Thromboembolic Disease [VTED] & Bleeding:
The RIETE Score

Introduction

The RIETE [Registro Informatizado de Enfermedad Tromboembolica] score was designed to predict the risk of major bleeding in patients with acute venous thromboembolic disease [VTED] within three months of commencing anticoagulant therapy with Warfarin.

The algorithm is summarised below:

The RIETE Score:


Select Criteria:

Recent Major Bleeding
Yes
2 Points
Malignancy
Yes
1 Point
Anaemia
[Hb <130g/L Men.  Hb <120g/L Women]
Yes
1.5 Points
Renal Dysfunction
[Creatinine <1.2 mg/dL]
Yes
1.5 Points
Clinically overt PE
Yes
1 Point
Age >75 yrs
Yes
1 Point


Score
[Max score 8]

RIETE Score
Risk Major Bleeding [%]
0 LOW 0.1
1 MODERATE 1.4
1.5 - 2 2.2
2.5 - 3 4.4
3.5 - 4 4.2
4.5 - 5 HIGH 4.9
5.5 - 6 11
>6 20


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