Prevalence and prognostic value of activated protein C resistance and anti-protein C antibodies in patients with antiphospholipid antibodies: an APS ACTION Registry study.
The clinical significance of acquired resistance to activated protein C (APCr) and antibodies against protein C (anti-PC) in antiphospholipid syndrome (APS) has not been established. This study sought to determine the prevalence of APCr and anti-PC, associations with aPL profile…