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Inglese E, Brambilla M, Dondi M, et al. Thallium-201: what do we gain from new clinical protocols and acquisition procedures? The Italian Study on Thallium Reinjection/SIRT). J Nucl Biol Med. 1992;36(3):253-8
Inglese, E., Brambilla, M., Dondi, M., Coccolini, S., Cannizzaro, G., Pirelli, S., Cappagli, M., Bertoli, D., Pieri, P. L., & Moscatelli, G. (1992). Thallium-201: what do we gain from new clinical protocols and acquisition procedures? The Italian Study on Thallium Reinjection/SIRT). Journal of nuclear biology and medicine (Turin, Italy : 1991), 36(3), 253-8.
Inglese, E, et al. "Thallium-201: what do we gain from new clinical protocols and acquisition procedures? The Italian Study on Thallium Reinjection/SIRT)." Journal of nuclear biology and medicine (Turin, Italy : 1991) vol. 36,3 (1992): 253-8.
Inglese E, Brambilla M, Dondi M, Coccolini S, Cannizzaro G, Pirelli S, Cappagli M, Bertoli D, Pieri PL, Moscatelli G. Thallium-201: what do we gain from new clinical protocols and acquisition procedures? The Italian Study on Thallium Reinjection/SIRT). J Nucl Biol Med. 1992 Jul-Sep;36(3):253-8. PMID: 1486118.
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J Nucl Biol Med. 1992 Jul-Sep;36(3):253-8.

Thallium-201: what do we gain from new clinical protocols and acquisition procedures? The Italian Study on Thallium Reinjection/SIRT).

Journal of nuclear biology and medicine (Turin, Italy : 1991)

E Inglese, M Brambilla, M Dondi, S Coccolini, G Cannizzaro, S Pirelli, M Cappagli, D Bertoli, P L Pieri, G Moscatelli

Affiliations

  1. Department of Nuclear Medicine, Ospedale Maggiore della Carità, Novara, Italy.

PMID: 1486118

Abstract

Nine medical centers, equipped with the same gamma camera and computer software, participated in this multicenter study on thallium-201 reinjection imaging. Preliminary findings for the first 143 patients with ischemic heart disease and perfusion defects at stress imaging are reported. Eighty-eight patients were reinjected at rest after conventional stress-redistribution imaging. Another 55 patients were reinjected at rest on a separate day. After segmental comparison of conventional redistribution versus stress imaging, differences > 1 in the segmental scores on a reduced 3 point scale identified 58 patients with irreversible or mainly irreversible defects (dominant scar pattern) and 85 patients with reversible or mainly reversible defects (dominant ischemic pattern). When reinjection was compared to stress images, 24 patients out of 58 with a dominant scar pattern at the conventional analysis were then assigned to the group with a dominant ischemic pattern. No clinical variables or exercise stress data were found to be significantly different in this patient subgroup. Only 4 out of 85 patients with a dominant ischemic pattern were reassigned to a dominant scar pattern after reinjection scoring. These preliminary results of the SIRT study confirm the consistent problem of scar overestimation by conventional stress-redistribution imaging and the clinical value of the thallium-201 reinjection procedure for differentiating viable from necrotic myocardium.

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