Is There a Gender Difference in Noninvasive Coronary Imaging? Multislice Computed Tomography for Noninvasive Detection of Coronary Stenoses

Overview

Journal BMC Cardiovasc Disord

Publisher Biomed Central

Specialty Cardiology & Vascular Diseases

Date 2008 Jan 31

PMID 18230167

Citations 4

Authors

Marc Dewey

Wolfgang Rutsch

Bernd Hamm

Affiliations

Soon will be listed here.

Abstract

Background: Multislice computed tomography (MSCT) coronary angiography is the foremost alternative to invasive coronary angiography.

Methods: We sought to compare the diagnostic accuracy of MSCT in female and male patients with suspected coronary disease. Altogether 50 women and 95 men underwent MSCT with 0.5 mm detector collimation. Coronary artery stenoses of at least 50% on conventional coronary angiography were considered significant.

Results: The coronary vessel diameters of all four main coronary artery branches were significantly larger in men than in women. The diagnostic accuracy of MSCT in identifying patients with coronary artery disease was significantly lower for women (72%) compared with men (89%, p < 0.05). Also sensitivity (70% vs. 95%), positive predictive value (64% vs. 93%), and the rate of nondiagnostic examinations (14% vs. 4%, all: p < 0.05) were significantly worse for women. The effective radiation dose of MSCT coronary angiography was significantly higher in the examination of women (13.7 +/- 1.2 mSv) than of men (11.7 +/- 0.9 mSv, p < 0.001), mainly as a result of the fact that the radiosensitive female breast (contributing 24.5% of the dose in women) is in the x-ray path.

Conclusion: Noninvasive coronary angiography with MSCT might be less accurate and sensitive for women than men. Also, women are exposed to a significantly higher effective radiation dose than men.

Citing Articles

Decreased Diagnostic Accuracy of Multislice Coronary Computed Tomographic Angiography in Women with Atypical Angina Symptoms.

Jin W, Zhao X, Chen H Chin Med J (Engl). 2016; 129(18):2191-8.

PMID: 27625091 PMC: 5022340. DOI: 10.4103/0366-6999.189908.

Sex Differences in Functional and CT Angiography Testing in Patients With Suspected Coronary Artery Disease.

Pagidipati N, Hemal K, Coles A, Mark D, Dolor R, Pellikka P J Am Coll Cardiol. 2016; 67(22):2607-16.

PMID: 27058908 PMC: 4892993. DOI: 10.1016/j.jacc.2016.03.523.

Iterative reconstruction and individualized automatic tube current selection reduce radiation dose while maintaining image quality in 320-multidetector computed tomography coronary angiography.

Williams M, Weir N, Mirsadraee S, Millar F, Baird A, Minns F Clin Radiol. 2013; 68(11):e570-7.

PMID: 23838086 PMC: 3807656. DOI: 10.1016/j.crad.2013.05.098.

Patient characteristics as predictors of image quality and diagnostic accuracy of MDCT compared with conventional coronary angiography for detecting coronary artery stenoses: CORE-64 Multicenter International Trial.

Dewey M, Vavere A, Arbab-Zadeh A, Miller J, Sara L, Cox C AJR Am J Roentgenol. 2009; 194(1):93-102.

PMID: 20028910 PMC: 3294286. DOI: 10.2214/AJR.09.2833.

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