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KMID : 1103720080580040351
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Journal of the Korean Society of Radiology
2008 Volume.58 No. 4 p.351 ~ p.356
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Clinical Utility of Coronary CT Angiography with Low-dose Chest CT in the Evaluation of Patients with Atypical Chest Pain : A Preliminary Report
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Lim Soo-Jin
Choo Ki-Seok
Kim Chang-Won
Lee Han-Cheol
Jeong Yeon-Ju
Kim June-Hong
Chun Kook-Jin
Kim Kun-Il
Kim Jun
Jeon Ung-Bae
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Abstract
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Purpose: To determine the clinical utility of coronary CT angiography (CCTA) with low-dose chest CT in the evaluation of patients with atypical chest pain.
Materials and Methods: Ninety-six patients (mean age 60.2 years; age range, 41-68 years; 70 males) were referred for CCTA with low-dose chest CT (16-slice MDCT, Siemens) for an evaluation of atypical chest pain. When significant stenoses (lumen diameter reduction > 50%) were detected on CCTA, invasive coronary angiography (CA) was performed as the standard of reference. In all patients, medical chart review or telephone contact with patients was used to evaluate the contribution of CCTA with low-dose chest CT to the final clinical diagnosis, at least 6 months after performing CCTA.
Results: Among 96 patients, seven patients (7%) had significant stenoses as detected on CCTA, whereas two patients (2%) had significant stenoses and five patients had insignificant stenoses or no stenosis, as detected on conventional catheter angiography. In 18 (19%) of the 89 patients without significant stenosis detected on CCTA, this protocol provided additional information that suggested or confirmed an alternate clinical diagnosis.
Conclusion: In patients with atypical chest pain, CCTA with low-dose chest CT could help to exclude ischemic heart disease and could provide important ancillary information for the final diagnosis.
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KEYWORD
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Coronary artery disease, Coronary angiography, Tomography, X-ray computed, Chest pain
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