Safety of Revascularization Deferral of Left Main Stenosis Based on Instantaneous Wave-Free Ratio Evaluation
Copyright © 2020. Published by Elsevier Inc..
OBJECTIVES: The aim of this study was to assess the long-term clinical outcomes of patients with left main coronary artery (LM) stenosis in whom treatment strategy was based on the instantaneous wave-free ratio (iFR).
BACKGROUND: The overall safety of iFR to guide revascularization decision making in patients with stable coronary artery disease has been established. However, no study has examined the safety of deferral of revascularization of LM disease on the basis of iFR.
METHODS: This multicenter observational study included 314 patients in whom LM stenosis was deferred (n = 163 [51.9%]) or revascularized (n = 151 [48.1%]) according to the iFR cutoff ≤0.89. The primary endpoint was a composite of all-cause death, nonfatal myocardial infarction, and ischemia-driven target lesion revascularization. The secondary endpoints were each individual component of the primary endpoint and also cardiac death.
RESULTS: At a median follow-up period of 30 months, the primary endpoint occurred in 15 patients (9.2%) in the deferred group and 22 patients (14.6%) in the revascularized group (hazard ratio: 1.45; 95% confidence interval: 0.75 to 2.81; p = 0.26), indicating no evidence of a significant difference between the 2 groups. For the secondary endpoints, findings in the iFR-based deferral and revascularization groups were as follows: all-cause death, 3.7% versus 4.6%; cardiac death, 1.2% versus 2.0%; nonfatal myocardial infarction, 2.5% versus 5.3%; and target lesion revascularization, 4.3% versus 5.3% (p > 0.05 for all).
CONCLUSIONS: Deferral of revascularization of LM stenosis on the basis of iFR appears to be safe, with similar long-term outcomes to those in patients in whom LM revascularization was performed according to iFR values.
| Errataetall: |
CommentIn: JACC Cardiovasc Interv. 2020 Jul 27;13(14):1665-1668. - PMID 32417090 |
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| Medienart: |
E-Artikel |
| Erscheinungsjahr: |
2020 |
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| Erschienen: |
2020 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:13 |
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| Enthalten in: |
JACC. Cardiovascular interventions - 13(2020), 14 vom: 27. Juli, Seite 1655-1664 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Warisawa, Takayuki [VerfasserIn] |
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| Links: |
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| Themen: |
Coronary physiology |
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| Anmerkungen: |
Date Completed 18.01.2021 Date Revised 04.10.2022 published: Print-Electronic CommentIn: JACC Cardiovasc Interv. 2020 Jul 27;13(14):1665-1668. - PMID 32417090 Citation Status MEDLINE |
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| doi: |
10.1016/j.jcin.2020.02.035 |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM309997380 |
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| 245 | 1 | 0 | |a Safety of Revascularization Deferral of Left Main Stenosis Based on Instantaneous Wave-Free Ratio Evaluation |
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| 500 | |a Date Completed 18.01.2021 | ||
| 500 | |a Date Revised 04.10.2022 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a CommentIn: JACC Cardiovasc Interv. 2020 Jul 27;13(14):1665-1668. - PMID 32417090 | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Copyright © 2020. Published by Elsevier Inc. | ||
| 520 | |a OBJECTIVES: The aim of this study was to assess the long-term clinical outcomes of patients with left main coronary artery (LM) stenosis in whom treatment strategy was based on the instantaneous wave-free ratio (iFR) | ||
| 520 | |a BACKGROUND: The overall safety of iFR to guide revascularization decision making in patients with stable coronary artery disease has been established. However, no study has examined the safety of deferral of revascularization of LM disease on the basis of iFR | ||
| 520 | |a METHODS: This multicenter observational study included 314 patients in whom LM stenosis was deferred (n = 163 [51.9%]) or revascularized (n = 151 [48.1%]) according to the iFR cutoff ≤0.89. The primary endpoint was a composite of all-cause death, nonfatal myocardial infarction, and ischemia-driven target lesion revascularization. The secondary endpoints were each individual component of the primary endpoint and also cardiac death | ||
| 520 | |a RESULTS: At a median follow-up period of 30 months, the primary endpoint occurred in 15 patients (9.2%) in the deferred group and 22 patients (14.6%) in the revascularized group (hazard ratio: 1.45; 95% confidence interval: 0.75 to 2.81; p = 0.26), indicating no evidence of a significant difference between the 2 groups. For the secondary endpoints, findings in the iFR-based deferral and revascularization groups were as follows: all-cause death, 3.7% versus 4.6%; cardiac death, 1.2% versus 2.0%; nonfatal myocardial infarction, 2.5% versus 5.3%; and target lesion revascularization, 4.3% versus 5.3% (p > 0.05 for all) | ||
| 520 | |a CONCLUSIONS: Deferral of revascularization of LM stenosis on the basis of iFR appears to be safe, with similar long-term outcomes to those in patients in whom LM revascularization was performed according to iFR values | ||
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| 650 | 4 | |a left main coronary artery disease | |
| 650 | 4 | |a registry-based study | |
| 650 | 4 | |a resting intracoronary index | |
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