• E Confino, A el-Roeiy, J Friberg, and N Gleicher.
• Department of Obstetrics and Gynecology, Mount Sinai Hospital Medical Center, Chicago, IL 60608.
• J Reprod Med. 1989 Apr 1; 34 (4): 289-91.

AbstractAbnormal lupus anticoagulant (LA) levels, as measured with the activated partial tissue thromboplastin and tissue thromboplastin inhibition tests, are associated with a predisposition toward thromboembolic phenomena. Thromboelastogram (TEG) measurements have been proposed as a standardized assay to predict such a predisposition. We therefore correlated LA and TEG assessments in 46 women who were either apparently healthy controls or who had abnormal LA levels with such conditions as endometriosis and repeated pregnancy wastage. The coefficient of correlation (Rho) was .3282 (P = .025). Seven patients with an abnormal LA demonstrated a normal TEG, and eight with a normal LA exhibited an abnormal TEG. Only nine had concomitant LA and TEG abnormalities. We conclude that LA and TEG apparently are not interchangeable as predictors of a hypercoagulable state. While this study did not address which of the two assays has a better predictive value for thromboembolic phenomena, it suggested that each can identify a different patient population.

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