TY - JOUR TI - International consensus statement on an update of the classification criteria for definite antiphospholipid syndrome (APS) AU - Miyakis, S AU - Lockshin, MD AU - Atsumi, T AU - Branch, DW AU - Brey, RL AU - and Cervera, R AU - Derksen, RHWM AU - De Groot, PG AU - Koike, T and AU - Meroni, PL AU - Reber, G AU - Shoenfeld, Y AU - Tincani, A and AU - Vlachoyiannopoulos, PG AU - Krilis, SA JO - Journal of Thrombosis and Haemostasis PY - 2006 VL - 4 TODO - 2 SP - 295-306 PB - Wiley SN - 1538-7933, 1538-7836 TODO - 10.1111/j.1538-7836.2006.01753.x TODO - anticardiolipin; antiphospolipid syndrome; beta(2) glycoprotein-I; classification criteria; lupus anticoagulant; thrombosis TODO - New clinical, laboratory and experimental insights, since the 1999 publication of the Sapporo preliminary classification criteria for antiphospholipid syndrome (APS), had been addressed at a workshop in Sydney, Australia, before the Eleventh International Congress on antiphospholipid antibodies. In this document, we appraise the existing evidence on clinical and laboratory features of APS addressed during the forum. Based on this, we propose amendments to the Sapporo criteria. We also provide definitions on features of APS that were not included in the updated criteria. ER -