To the Editor:
I was pleased to read the letter by Zhang, et al1 regarding our November 2017 published work, “Closing the Serological Gap in Antiphospholipid Syndrome: The Value of ‘Non-criteria’ Antiphospholipid Antibodies.”2 There are several valuable points that Zhang, et al bring up in their letter that I would like an opportunity to highlight and expand upon.
First, their results show significant clinical value for the IgG and IgM antiphosphatidylserine/prothrombin complex (aPS/PT) test for both diagnosing antiphospholipid syndrome (APS) and helping in risk stratification (thrombotic vs non-thrombotic). Their results showed the combination of IgG or IgM aPS/PT with lupus anticoagulant (LAC) …
Address correspondence to N. Zohoury. E-mail:nzohoury{at}inovadx.com.