Practical-Manual-Scores-Algorithms-Haemostasis-Thrombosis

Prediction of recurrent deep vein Thrombosisor Pulmonary EmbolismIndicationAssessment of risk of recurrence after a first DVT or PE. Presentation of twomethods: the Vienna nomogram and the DASH score.PointsGenderVienna Nomogram0 10 20 30 40 50 60 70 80 90 100FemaleMaleDeep Vein Thrombosis and Pulmonary EmbolismLocationDistal DVTProximal DVTPED-dimer(ng/mL)100 150 200 250 400 500 750 1.000 1.500 2.000Total points0 50 100 150 200 250 300 3501 year cumulativerecurrence rate0.02 0.04 0.06 0.08 0.1 0.12 0.155 year cumulativerecurrence rate0.1 0.2 0.3 0.4 0.5InterpretationThe nomogram aims at estimating the recurrence risk following DVT or PE.Clinical (type of thrombosis and gender) and analytical (D-dimer measured at thetime of the suspension of anticoagulation) variables are taken into consideration.In practice, a line has to be drawn perpendicular to the top row (called points)that cuts the value of each of the three considered features (gender, locationand D-dimer). The sum of the three responses is born on a line called Total, from17