COMPARISON OF SENSITIVITY AND SPECIFICITY OF CARDIAC SIZE IN CHEST RADIOGRAPHY WITH 2D ECHOCARDIOGRAPHY

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SHIRANI SH.; SAMIE-NASAB M.; SAMIMI K.; FROZANDE M.

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Paper Information

Journal: Journal of Shahrekord University of Medical Sciences Year:2003 | Volume:4 | Issue:4 Page(s): 18-23

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Title

COMPARISON OF SENSITIVITY AND SPECIFICITY OF CARDIAC SIZE IN CHEST RADIOGRAPHY WITH 2D ECHOCARDIOGRAPHY

Author(s)

SHIRANI SH. | SAMIE-NASAB M. | SAMIMI K. | FROZANDE M. | Issue Writer Certificate

Keywords

CXRQ3

ECHOCARDIOGRAPHYQ4

HEARTH SIZEQ4

Abstract

Despite the more accurate and advanced cardiac imaging techniques, simple chest X-ray (CXR) is the first technique for evaluation of heart size. There are tow main methods for this evaluation on CXR: measurement of transverse diameter of the heart (TD) and cardiothoracic ratio (CTR). The normal range of TO is 11.5 to 15.5 and its upper normal limit for men and women is 16 and 15 centimeters (cm). The mean value of CTR is 44% and its upper normal limit is 50%. These upper limits which are used widely, lead to some difficulties in practice: some patients with normal heart size on CXR, have enlargement of heart in more accurate techniques and conversely some individuals with cardiomegaly on CXR do not have enlargement. These discrepancies may lead to some mistakes in management of patients. So we decided to perform this study for assessment of these measurement methods of cardiac size in CXR by more accurate technique of ECHOCARDIOGRAPHY. This analytical study was performed on 327 cases referred to ECHOCARDIOGRAPHY center of Hajar Hospital in Shahrekord for standard CXR during summer, 2001. Considering 50% and 16cm, as the upper normal limits of CTR and TO, we had 28.2% and 8.8% false positive and 9.2% and 58.5% false negative results respectively. It can be concluded that CTR is more sensitive than TO but TD is more specific than CXR for estimating of cardiomegaly.

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APA: Copy

SHIRANI, SH., SAMIE-NASAB, M., SAMIMI, K., & FROZANDE, M.. (2003). COMPARISON OF SENSITIVITY AND SPECIFICITY OF CARDIAC SIZE IN CHEST RADIOGRAPHY WITH 2D ECHOCARDIOGRAPHY. JOURNAL OF SHAHREKORD UNIVERSITY OF MEDICAL SCIENCES, 4(4), 18-23. SID. https://sid.ir/paper/58781/en

Vancouver: Copy

SHIRANI SH., SAMIE-NASAB M., SAMIMI K., FROZANDE M.. COMPARISON OF SENSITIVITY AND SPECIFICITY OF CARDIAC SIZE IN CHEST RADIOGRAPHY WITH 2D ECHOCARDIOGRAPHY. JOURNAL OF SHAHREKORD UNIVERSITY OF MEDICAL SCIENCES[Internet]. 2003;4(4):18-23. Available from: https://sid.ir/paper/58781/en

IEEE: Copy

SH. SHIRANI, M. SAMIE-NASAB, K. SAMIMI, and M. FROZANDE, “COMPARISON OF SENSITIVITY AND SPECIFICITY OF CARDIAC SIZE IN CHEST RADIOGRAPHY WITH 2D ECHOCARDIOGRAPHY,” JOURNAL OF SHAHREKORD UNIVERSITY OF MEDICAL SCIENCES, vol. 4, no. 4, pp. 18–23, 2003, [Online]. Available: https://sid.ir/paper/58781/en

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