Our August 2022 Quick Question attracted 34 responses [despite our discouraging "Recaptcha" security function] and asked, "You test for lupus anticoagulant [LAC
] using a low-PL PTT
reagent and a hex-phase high-PL mix. The mix results are 10 seconds shorter than the first test. What do you conclude?"
LAC
positive 32% [11]
LAC
negative 18% [6]
Inconclusive 15% [5\
First confirm with DRVVT
35% [12]
Posts - Lupus Anticoagulant
Aug 31, 2022 4:45pm
0 Comments
Aug 1, 2022 4:07pm
Our August 2022 Quick Question addresses lupus anticoagulant testing, a member of the standard thrombophilia screening profile. "You test for lupus anticoagulant [LAC
] using a low-PL PTT
0 Comments
May 6, 2020 11:25am
Two compelling publications appear to implicate lupus anticoagulant as a key factor in prolonged PTT
results documented in seriously ill Covid victims. These could account for prolonged PTTs
1 Comment
Mar 11, 2020 9:22am
Maureen (Mo) Tacke, St. Luke's Health System, sent this case. A woman who had experienced one normal fetus loss at
longer than 10 weeks' gestation and one unexplained spontaneous miscarriage at
shorter than 10 weeks' gestation but no
additional thrombotic episodes had the following results:
1 Comment
