Preoperative angiography-derived fractional flow reserve may predict coronary artery bypass grafting occlusion and disease progression.
Journal
Journal of cardiovascular medicine (Hagerstown, Md.)
ISSN: 1558-2035
Titre abrégé: J Cardiovasc Med (Hagerstown)
Pays: United States
ID NLM: 101259752
Informations de publication
Date de publication:
01 09 2023
01 09 2023
Historique:
medline:
23
8
2023
pubmed:
22
8
2023
entrez:
22
8
2023
Statut:
ppublish
Résumé
Graft occlusion after coronary artery bypass grafting (CABG) has been associated with competitive flow of native coronary arteries. To assess with coronary computed tomography angiography (CCTA) graft occlusion and coronary artery disease (CAD) progression of native vessels after CABG and their relationship with angiography-derived vessel fractional flow reserve (vFFR) performed before surgery. Between 2006 and 2018, serial vFFR analyses were obtained before CABG in each major native coronary vessel from two institutions. All patients underwent follow-up CCTA. In 171 consecutive patients, serial preoperative angiograms were suitable for vFFR analysis of 298 grafted and 59 nongrafted vessels. Median time between CABG and CCTA was 2.1 years. Preoperative vFFR was assessed in 131 left anterior descending artery (LAD), 132 left circumflex artery (LCX) and 94 right coronary aretry (RCA) and was less than 0.80 in 255 of 298 bypassed vessels. Graft occlusion was observed at CCTA in 28 of 298 grafts. The median preoperative vFFR value of native coronaries was higher in occluded compared with patent grafts (0.75 vs. 0.60, P < 0.001) and was associated with graft. The best vFFR cut-off to predict graft occlusion was 0.67. Progression of CAD was higher in grafted than in nongrafted vessels (89.6 vs. 47.5%, P < 0.001). Pre-CABG vFFR predicted disease progression of grafted native vessels (AUC = 0.83). Preoperative vFFR derived from invasive coronary angiography was able to predict graft occlusion and CAD progression of grafted coronary arteries.
Sections du résumé
BACKGROUND
Graft occlusion after coronary artery bypass grafting (CABG) has been associated with competitive flow of native coronary arteries.
OBJECTIVES
To assess with coronary computed tomography angiography (CCTA) graft occlusion and coronary artery disease (CAD) progression of native vessels after CABG and their relationship with angiography-derived vessel fractional flow reserve (vFFR) performed before surgery.
METHODS
Between 2006 and 2018, serial vFFR analyses were obtained before CABG in each major native coronary vessel from two institutions. All patients underwent follow-up CCTA.
RESULTS
In 171 consecutive patients, serial preoperative angiograms were suitable for vFFR analysis of 298 grafted and 59 nongrafted vessels. Median time between CABG and CCTA was 2.1 years. Preoperative vFFR was assessed in 131 left anterior descending artery (LAD), 132 left circumflex artery (LCX) and 94 right coronary aretry (RCA) and was less than 0.80 in 255 of 298 bypassed vessels. Graft occlusion was observed at CCTA in 28 of 298 grafts. The median preoperative vFFR value of native coronaries was higher in occluded compared with patent grafts (0.75 vs. 0.60, P < 0.001) and was associated with graft. The best vFFR cut-off to predict graft occlusion was 0.67. Progression of CAD was higher in grafted than in nongrafted vessels (89.6 vs. 47.5%, P < 0.001). Pre-CABG vFFR predicted disease progression of grafted native vessels (AUC = 0.83).
CONCLUSION
Preoperative vFFR derived from invasive coronary angiography was able to predict graft occlusion and CAD progression of grafted coronary arteries.
Identifiants
pubmed: 37605957
doi: 10.2459/JCM.0000000000001509
pii: 01244665-202309000-00009
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
651-658Informations de copyright
Copyright © 2023 Italian Federation of Cardiology - I.F.C. All rights reserved.
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