Loss of antiphospholipid antibody positivity decreases the risk of recurrent thrombosis in thrombotic antiphospholipid syndrome.
To establish the predictive value of antiphospholipid antibody (aPL) negativization on recurrent thrombosis in thrombotic antiphospholipid syndrome (APS). Retrospective cohort study including all consecutive adult patients with APS followed at Hospital de Santa Maria, Lisbon, Po…