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Evaluation of heart size and pulmonary vasculature. Conventional chest roentgenography and image intensifier photofluorography compared. 1991

H Manninen, and J Remes, and K Partanen, and P Tynkkynen, and L Mykkänen, and M Laakso, and S Soimakallio, and K Pyörälä
Department of Diagnostic Radiology, Kuopio University Central Hospital, Finland.

Inter- and intraobserver variation and diagnostic accuracy in estimation of heart size and pulmonary vasculature were evaluated for conventional film-screen technique and image intensifier photofluorography. Interpretation of 218 p.a. and lateral chest films by both imaging techniques was performed independently by 4 readers. Heart size relative to body surface area measured from the plain chest films was used as the reference in cardiac size determination. Overall diagnostic accuracies of conventional radiography and image intensifier photofluorography for cardiomegaly were close to each other, 0.70 vs 0.68, respectively. Specificity of film-screen radiography was better than that of photofluorography (0.92 vs 0.84, p less than 0.05). Interobserver agreement was poor both in assessment of the heart size and pulmonary vasculature (range of kappa coefficients 0.18-0.59) while the intraobserver consistency (kappa coefficients 0.60-0.85) was good to excellent. The results suggest a limited usefulness of visual assessment of heart size and pulmonary vasculature in chest roentgenographs.

UI MeSH Term Description Entries
D008168 Lung Either of the pair of organs occupying the cavity of the thorax that effect the aeration of the blood. Lungs
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D010779 Photofluorography The photography of images produced on a fluorescent screen by X-rays. Photofluorographies
D011654 Pulmonary Edema Excessive accumulation of extravascular fluid in the lung, an indication of a serious underlying disease or disorder. Pulmonary edema prevents efficient PULMONARY GAS EXCHANGE in the PULMONARY ALVEOLI, and can be life-threatening. Wet Lung,Edema, Pulmonary,Edemas, Pulmonary,Pulmonary Edemas,Lung, Wet,Lungs, Wet,Wet Lungs
D005260 Female Females
D006321 Heart The hollow, muscular organ that maintains the circulation of the blood. Hearts
D006332 Cardiomegaly Enlargement of the HEART, usually indicated by a cardiothoracic ratio above 0.50. Heart enlargement may involve the right, the left, or both HEART VENTRICLES or HEART ATRIA. Cardiomegaly is a nonspecific symptom seen in patients with chronic systolic heart failure (HEART FAILURE) or several forms of CARDIOMYOPATHIES. Cardiac Hypertrophy,Enlarged Heart,Heart Hypertrophy,Heart Enlargement,Cardiac Hypertrophies,Enlargement, Heart,Heart Hypertrophies,Heart, Enlarged,Hypertrophies, Cardiac,Hypertrophies, Heart,Hypertrophy, Cardiac,Hypertrophy, Heart
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly

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