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Journal of Nuclear Cardiology
Erschienen in: Journal of Nuclear Cardiology 5/2019

26.02.2018 | Original Article

Improved diagnostic accuracy of thallium-201 myocardial perfusion single-photon emission computed tomography with CT attenuation correction

verfasst von: Jei-Yie Huang, MD, MS, Ruoh-Fang Yen, MD, PhD, Wen-Chung Lee, PhD, Chun-Kai Huang, MD, Pei-Ying Hsu, MD, Mei-Fang Cheng, MD, Ching-Chu Lu, MD, MS, Yen-Hung Lin, MD, PhD, Kuo-Liong Chien, MD, PhD, Yen-Wen Wu, MD, PhD, F.E.S.C.

Erschienen in: Journal of Nuclear Cardiology | Ausgabe 5/2019

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Abstract

Background

The benefits of attenuation correction (AC) in technetium-99m myocardial perfusion imaging (MPI) have been well established. However, the value of thallium (Tl-201) AC and routine computed tomography AC (CTAC) were less well established. The aims of this study were to evaluate the diagnostic performance of thallium (Tl-201) MPI with additional CTAC and to determine which participants would benefit most.

Methods and Results

A total of 108 consecutive patients who underwent Tl-201 MPI and received coronary angiography within 3 months were enrolled. Diagnostic performance was determined by sensitivity, specificity, and receiver operating characteristic curve analysis. Subgroup analyses were performed using gender and obesity. CTAC improved the area under the curve (0.84 vs. 0.77, P = 0.037 at patient level), primarily due to a significant improvement in specificity (0.78 vs. 0.57, P = 0.013) and no significant difference in sensitivity (0.79 vs. 0.82, P = 0.75). In subgroup analysis, CTAC was most helpful in obese subjects, men, and especially right coronary artery lesions.

Conclusions

CTAC significantly improved diagnostic performance primarily by increasing the specificity, and the improvements were significantly greater in obese patients and male patients. These findings suggest that CTAC should be applied to Tl-201 MPI as routine clinical practice.
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Metadaten
Titel
Improved diagnostic accuracy of thallium-201 myocardial perfusion single-photon emission computed tomography with CT attenuation correction
verfasst von
Jei-Yie Huang, MD, MS
Ruoh-Fang Yen, MD, PhD
Wen-Chung Lee, PhD
Chun-Kai Huang, MD
Pei-Ying Hsu, MD
Mei-Fang Cheng, MD
Ching-Chu Lu, MD, MS
Yen-Hung Lin, MD, PhD
Kuo-Liong Chien, MD, PhD
Yen-Wen Wu, MD, PhD, F.E.S.C.
Publikationsdatum
26.02.2018
Verlag
Springer International Publishing
Erschienen in
Journal of Nuclear Cardiology / Ausgabe 5/2019
Print ISSN: 1071-3581
Elektronische ISSN: 1532-6551
DOI
https://doi.org/10.1007/s12350-018-1230-y

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