Diagnosis of deep vein thrombosis, and prevention of deep vein thrombosis recurrence and the post-thrombotic syndrome in the primary care medicine setting anno 2014

Table 2 Scoring system according to Prandoni for the assessment of post-thrombotic syndrome in the early period 3 to 12 mo post-DVT known as the Vilalta score[29-31]

Subjective symptoms	Objective signs
Heaviness	Pretibial oedema
Pain	Induration of the skin
Cramps	Hyperpigmentation
Pruritus	New venous ectasia
Paraesthesia	Redness
Pain during calf compression
Ulceration of the skin (= severe)
Each sign or symptom is graded with a score as 0, 1, 2, or 3
0 = absent, 1 = mild, 2 = moderate or interference with daily life and work, 3 = severe or invalidating
The presence or absence of leg ulcer has to be noted
Definition of post-thrombotic syndrome according to Prandoni(Vilalta)
Absent	Score < 4
Mild-to-moderate	core between 5 and 14 at 2 consecutive visits
Severe	score > 15 at 2 consecutive occasions or ulcer at 1 occasion