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  • Title: Sensitivity and specificity of diastolic indexes for rejection surveillance: temporal correlation with endomyocardial biopsy.
    Author: Valantine HA, Yeoh TK, Gibbons R, McCarthy P, Stinson EB, Billingham ME, Popp RL.
    Journal: J Heart Lung Transplant; 1991; 10(5 Pt 1):757-65. PubMed ID: 1958683.
    Abstract:
    Although acute diastolic dysfunction is an early sequela of the rejecting heart, reported sensitivities and specificities have varied widely when Doppler echocardiography is used for rejection surveillance. This study examines the temporal relationship between changes in Doppler echocardiographic indexes of diastolic function and sequential endomyocardial biopsies to identify possible factors accounting for false-positive and false-negative results. A total of 114 Doppler echocardiographic studies and biopsies were performed weekly in 39 patients aged 14 to 59 years during the initial 3 months after heart transplantation. All Doppler examinations were within 24 hours of biopsy and were analyzed in a blinded fashion. Onset of restrictive physiology, defined as a 15% decrease in either isovolumic relaxation time or pressure half-time, was determined by analysis of the Doppler mitral flow velocity curve.
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