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  • Title: Intercellular adhesion molecule-1 (ICAM-1) in cervicovaginal fluid of women presenting with preterm labor: predictive value for preterm delivery.
    Author: Marvin KW, Keelan JA, Coleman MA, McCowan LM, Zhou RL, Mitchell MD.
    Journal: Am J Reprod Immunol; 2000 May; 43(5):264-71. PubMed ID: 10872605.
    Abstract:
    PROBLEM: Clinically useful tests for the prediction and diagnosis of preterm labor and delivery remain to be established. We have hypothesized that soluble intercellular adhesion molecule-1 (sICAM-1) in the cervicovaginal fluid of women with preterm labor may be a useful diagnostic tool. METHOD OF STUDY: The cervicovaginal fluid of 103 women between 24(0) and 33(6) weeks gestation with preterm contractions and intact membranes was assayed for sICAM-1. RESULTS: Elevated sICAM-1 concentrations predicted short intervals to delivery (area under receiver operator characteristic (ROC) curves, 0.70-0.72 for delivery within 3, 7 and 10 days), with high specificity. Characteristics for delivery within 3 days at a 3 ng/mL threshold for a positive test were sensitivity 33.3%, specificity 98.9%, and positive and negative predictive values of 75.0% and 93.9%, respectively. Predictive ability was independent of and complementary to that of fetal fibronectin (fFN). CONCLUSIONS: Measurement of sICAM-1 in cervicovaginal fluid has potential as a predictor of preterm delivery in women with symptoms of preterm labor, particularly in conjunction with fFN testing.
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