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  • Title: [Value of thoracic radiography in the assessment of cardiac size. A comparison with left ventricular cardiography].
    Author: Jung G, Landwehr P, Schanzenbächer G, Faeber B, Lackner K.
    Journal: Rofo; 1995 May; 162(5):368-72. PubMed ID: 7772757.
    Abstract:
    PURPOSE: To determine the value of standard chest radiographs in the assessment of cardiac size. METHODS: In 193 patients cardiac size was compared between standard chest radiographs in the posteroanterior and lateral projection and left ventricular angiograms. The following parameters were determined: transverse diameter, lateral horizontal transverse diameter, cardiothoracic ratio and end-diastolic volume index (EDVI) and ejection fraction (EF). RESULTS: Subjective assessment of the left ventricular size resulted in a mean sensitivity/specificity/accuracy of 69.7%/87.4%/82.0% respectively, in comparison to EDVI. Estimation of global heart size yielded a mean sensitivity/specificity/accuracy of 48.8%/93.6%/77.8%, respectively, in comparison to EF. Cardiothoracic ratio for the detection of pathological EDVI or EF had a sensitivity of 77.3%/57.4% a specificity of 79.3%/80.8% and an accuracy of 78.9%/72.5%. CONCLUSIONS: Standard chest radiographs with the determination of cardiothoracic ratio remain a clinically relevant procedure for screening and follow-up of heart disease.
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