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 6 2008 Rotterdam objective scoring system for grading the severity of PTS during the first two years post-DVT based on prospective studies[18-25]: therapeutic implications

Objective score
Complete recanalization at 3 mo and no reflux	0
Incomplete recanalization at 3 mo	2
Complete recanalization after 6 mo and reflux	1
Incomplete recanalization after 6 mo and reflux	2
Obstruction after 1 year without or with reflux	3
Normal D-dimer after discontinuation of anticoagulant therapy	0
Increased D-dimer after discontinuation of anticoagulant thereapy	3
Clinical score
Brandjes Prandoni score for PTS: Absent	0
Mild	1
Moderate	2
Total Rotterdam score 12
Score	Therapeutic implication
Score 0 at 6 mo	No MECS and no ACT
Score 1 to 4 at 6 mo	MECS and discontinuation ACT
Score > 4 and normal D-dimer	MECS randomization ACT vs no ACT
Score > 4 and abnormal D-dimer	MECS and continuation of ACT according to the PROLONG
	Plus Study
Designed by Michiels

ACT: Anticoagulant treatment.