• Wien. Klin. Wochenschr. · Jan 1993

    [Prospective study of determining the value of D-dimer in diagnosing pulmonary embolism].

    • R Lenzhofer, F Wimmer, H Haydl, J Kardeis, G Gruber, U Ganzinger, R Schuster, and R Nowak-Sattelberger.
    • Interne Abteilung, Kardinal Schwarzenberg'schen Krankenhauses, Schwarzach.
    • Wien. Klin. Wochenschr. 1993 Jan 1; 105 (17): 492-6.

    AbstractPulmonary embolism (PE) is still misdiagnosed in a high proportion of cases. 107 patients admitted for suspected pulmonary embolism were studied prospectively to shed light on the value of ELISA-D-dimer and Latex-D-dimer. Pulmonary embolism was ruled out by negative perfusion scans in 66 patients (61.7%) and by angiography in 24 patients. 58% of the scans suggesting a high probability of PE were confirmed by angiography, but only 18% of the scans suggesting a low or intermediate probability of PE. Sensitivity and specificity were 88% and 79%, respectively for the D-dimer ELISA, versus 94% and 90% for the Latex agglutination test. The Latex test increased the positive predictive value of lung scanning suggesting low to intermediate probability of PE (group B) from 18% to 75% and that of lung scanning suggesting high probability of PE (group C) from 58% to 93%. The positive predictive value was improved by ELISA-D-dimer in both groups to 75%. In order to augment the diagnostic efficacy in clinical practice the determination of Latex-D-dimer simultaneously with lung scanning is recommended.

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