Association between the insufficient improvement of the quantitative flow ratio and worsening outcomes in ST-segment elevated myocardial infarction: a multicentre prospective cohort study

Association between the insufficient improvement of the quantitative flow ratio and worsening outcomes in ST-segment elevated myocardial infarction: a multicentre prospective cohort study

Improved coronary physiological function after percutaneous coronary intervention (PCI) has been shown to improve prognosis in stable ischaemic heart disease, but has not yet been explored in ST-segment elevated myocardial infarction (STEMI). The study sought to determine whether an improvement in t...

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Veröffentlicht in:Quantitative imaging in medicine and surgery 2024-04, Vol.14 (4), p.2828-2839
Hauptverfasser: Guo, Xiaosheng, Chen, Jian, Xu, Shenghui, Wang, Chenyang, Hu, Tianyu, Guan, Qianglin, Yang, Xing, Ye, Jingguang, Li, Xida, Sun, Boyu, Yu, Danqing, Dong, Haojian
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container_issue 4
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container_title Quantitative imaging in medicine and surgery
container_volume 14
creator Guo, Xiaosheng
Chen, Jian
Xu, Shenghui
Wang, Chenyang
Hu, Tianyu
Guan, Qianglin
Yang, Xing
Ye, Jingguang
Li, Xida
Sun, Boyu
Yu, Danqing
Dong, Haojian
description Improved coronary physiological function after percutaneous coronary intervention (PCI) has been shown to improve prognosis in stable ischaemic heart disease, but has not yet been explored in ST-segment elevated myocardial infarction (STEMI). The study sought to determine whether an improvement in the quantitative flow ratio (QFR) could improve the prognosis of STEMI patients undergoing primary PCI. Patients diagnosed with STEMI who were receiving primary PCI were recruited for the study. Those with thrombolysis in myocardial infarction (TIMI) flow 0.25, N=183). Patients with a lower ΔQFR had a relatively higher rate of MI/AHF (10.5% 4.4%, P=0.019) and AHF (7.2% 2.7%, P=0.044). A lower ΔQFR was significantly associated with a higher incidence of MI/AHF [hazard ratio (HR) =2.962, 95% confidence interval (CI): 1.358-6.459, P=0.006, respectively] after adjusting for potential confounders. Pre-stent angiographic microvascular resistance [odds ratio (OR) =1.027, 95% CI: 1.022-1.033, P
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The study sought to determine whether an improvement in the quantitative flow ratio (QFR) could improve the prognosis of STEMI patients undergoing primary PCI. Patients diagnosed with STEMI who were receiving primary PCI were recruited for the study. Those with thrombolysis in myocardial infarction (TIMI) flow &lt;2 after wiring were excluded. The ΔQFR was calculated using the following formula: ΔQFR = post-PCI QFR - pre-stent QFR. The primary endpoint was the composite event, including recurrent myocardial infarction (MI) and acute heart failure (AHF). In total, 515 STEMI patients with a median follow-up of 364 days were enrolled in the study. Based on the cut-off value from the receiver operator characteristic (ROC) curve, the patients were divided into the following two groups: the lower ΔQFR group (≤0.25, N=332); and the normal ΔQFR group (&gt;0.25, N=183). Patients with a lower ΔQFR had a relatively higher rate of MI/AHF (10.5% 4.4%, P=0.019) and AHF (7.2% 2.7%, P=0.044). A lower ΔQFR was significantly associated with a higher incidence of MI/AHF [hazard ratio (HR) =2.962, 95% confidence interval (CI): 1.358-6.459, P=0.006, respectively] after adjusting for potential confounders. Pre-stent angiographic microvascular resistance [odds ratio (OR) =1.027, 95% CI: 1.022-1.033, P&lt;0.001] and the stent-to-vessel diameter ratio &lt;1.13 (OR =1.766, 95% CI: 1.027-3.071, P=0.04) were independent predictors of a lower ΔQFR. An insufficient improvement in the QFR contributes to worsening outcomes and might be a useful tool for risk stratification in STEMI.</description><identifier>ISSN: 2223-4292</identifier><identifier>EISSN: 2223-4306</identifier><identifier>DOI: 10.21037/qims-23-1518</identifier><identifier>PMID: 38617175</identifier><language>eng</language><publisher>China: AME Publishing Company</publisher><subject>Original</subject><ispartof>Quantitative imaging in medicine and surgery, 2024-04, Vol.14 (4), p.2828-2839</ispartof><rights>2024 Quantitative Imaging in Medicine and Surgery. All rights reserved.</rights><rights>2024 Quantitative Imaging in Medicine and Surgery. 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A lower ΔQFR was significantly associated with a higher incidence of MI/AHF [hazard ratio (HR) =2.962, 95% confidence interval (CI): 1.358-6.459, P=0.006, respectively] after adjusting for potential confounders. Pre-stent angiographic microvascular resistance [odds ratio (OR) =1.027, 95% CI: 1.022-1.033, P&lt;0.001] and the stent-to-vessel diameter ratio &lt;1.13 (OR =1.766, 95% CI: 1.027-3.071, P=0.04) were independent predictors of a lower ΔQFR. 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The study sought to determine whether an improvement in the quantitative flow ratio (QFR) could improve the prognosis of STEMI patients undergoing primary PCI. Patients diagnosed with STEMI who were receiving primary PCI were recruited for the study. Those with thrombolysis in myocardial infarction (TIMI) flow &lt;2 after wiring were excluded. The ΔQFR was calculated using the following formula: ΔQFR = post-PCI QFR - pre-stent QFR. The primary endpoint was the composite event, including recurrent myocardial infarction (MI) and acute heart failure (AHF). In total, 515 STEMI patients with a median follow-up of 364 days were enrolled in the study. Based on the cut-off value from the receiver operator characteristic (ROC) curve, the patients were divided into the following two groups: the lower ΔQFR group (≤0.25, N=332); and the normal ΔQFR group (&gt;0.25, N=183). Patients with a lower ΔQFR had a relatively higher rate of MI/AHF (10.5% 4.4%, P=0.019) and AHF (7.2% 2.7%, P=0.044). A lower ΔQFR was significantly associated with a higher incidence of MI/AHF [hazard ratio (HR) =2.962, 95% confidence interval (CI): 1.358-6.459, P=0.006, respectively] after adjusting for potential confounders. Pre-stent angiographic microvascular resistance [odds ratio (OR) =1.027, 95% CI: 1.022-1.033, P&lt;0.001] and the stent-to-vessel diameter ratio &lt;1.13 (OR =1.766, 95% CI: 1.027-3.071, P=0.04) were independent predictors of a lower ΔQFR. An insufficient improvement in the QFR contributes to worsening outcomes and might be a useful tool for risk stratification in STEMI.</abstract><cop>China</cop><pub>AME Publishing Company</pub><pmid>38617175</pmid><doi>10.21037/qims-23-1518</doi><tpages>12</tpages><oa>free_for_read</oa></addata></record>
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title Association between the insufficient improvement of the quantitative flow ratio and worsening outcomes in ST-segment elevated myocardial infarction: a multicentre prospective cohort study
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