SYNTAX Score Derived From Coronary CT Angiography for Prediction of Complex Percutaneous Coronary Interventions.

Abstract:

RATIONALE AND OBJECTIVES:SYNTAX score is a useful metric determined at the time of invasive coronary angiography (ICA) to assess the complexity of coronary artery disease, and improves prediction of complications at the time of percutaneous complex intervention (PCI). We aimed to determine whether SYNTAX score can be reliably determined from coronary computed tomography angiography (CCTA) and whether a CCTA-derived SYNTAX score can predict complex PCI. MATERIALS AND METHODS:SYNTAX scores were calculated on per-patient, per-vessel, and per-segment basis in 154 consecutive patients who underwent CCTA and ICA. PCI complexity in 113 patients who underwent intervention was defined by total fluoroscopy time and contrast volume. RESULTS:Compared to ICA, CCTA detected 285 of 302 (94%) obstructive lesions in 230 vessels, for which PCI was performed for 154 lesions in 131 vessels. Overall, on a per-patient basis, ICA-derived SYNTAX score was lower in comparison to CCTA-derived score (10.2 ± 8.0 vs 10.9 ± 8.3, P = 0.001). As compared to lesions in the lowest CCTA-derived segmental SYNTAX tertile, lesions in the highest tertile required longer fluoroscopy time (17.5 ± 12 min vs 11.5 ± 7.9 min, P = 0.01) and greater contrast volume (215.4 ± 125.5 mL vs 144.3 ± 49 mL, P = 0.02). CONCLUSION:SYNTAX scores derived from CCTA are concordant with those derived from ICA and correspond with complex PCI.

journal_name

Acad Radiol

journal_title

Academic radiology

authors

Shalev A,Nakazato R,Arsanjani R,Nakanishi R,Park HB,Otaki Y,Cheng VY,Gransar H,LaBounty TM,Hayes SW,Berman DS,Min JK

doi

10.1016/j.acra.2016.07.003

subject

Has Abstract

pub_date

2016-11-01 00:00:00

pages

1384-1392

issue

11

eissn

1076-6332

issn

1878-4046

pii

S1076-6332(16)30159-3

journal_volume

23

pub_type

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