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A Practical Guide to Haemostasis


Post-Thrombotic Syndrome [PTS]:
The Villalta Score

Introduction

The Villalta score is specific for PTS. It can be used to both diagnose and categorise the severity of the condition. The Villalta score involves both the patient who grades the presence and severity (0–3 points) of five symptoms and the physician/nurse who grades six clinical signs (0–3 points) after examination of the lower limb.

The Villalta score is summarised below:

The Villalta Score:



Select Criteria:

Symptoms Scored by the Patient
Pain
Absent 0 Points
 Mild 1 Point
 Moderate 2 Points
 Severe 3 Points
Cramps
Absent 0 Points
 Mild 1 Point
 Moderate 2 Points
 Severe 3 Points
Heaviness
Absent 0 Points
 Mild 1 Point
 Moderate 2 Points
 Severe 3 Points
Parasthesiae
Absent 0 Points
 Mild 1 Point
 Moderate 2 Points
 Severe 3 Points
Pruritus
Absent 0 Points
 Mild 1 Point
 Moderate 2 Points
 Severe 3 Points
Physician-Nurse
Assessment of Clinical Signs
Pre-tibial oedema
Absent 0 Points
 Mild 1 Point
 Moderate 2 Points
 Severe 3 Points
Hyper-pigmentation
Absent 0 Points
 Mild 1 Point
 Moderate 2 Points
 Severe 3 Points
Redness
Absent 0 Points
 Mild 1 Point
 Moderate 2 Points
 Severe 3 Points
Venous Ectasia
Absent 0 Points
 Mild 1 Point
 Moderate 2 Points
 Severe 3 Points
Pain on calf compression
Absent 0 Points
 Mild 1 Point
 Moderate 2 Points
 Severe 3 Points
Ulcers
If the cumulative score is <15 and ulcers are present then 15 is added to the final score
Present: severe PTS 15 Points
Absent 0 Points

Score

[Max Score Points]

Interpretation
Score PTS Risk Category
 < 5 Points No PTS
 ≥ 5 Points Any grade of PTS
 5-9 Points Mild PTS
 10-14 Points Moderate PTS
 ≥ 15 Points
or
 
the presence of an ulcer
Severe PTS


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