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Culprit Vessel Only Versus Complete Revascularisation in Patients with ST-Segment Elevation Myocardial Infarction - Should we Stay or Stage?

ABSTRACT: Multivessel coronary artery disease (MVCAD) is common in patients with ST-elevation myocardial infarction (STEMI), thereby negatively affecting mortality and outcome. Currently there is increasing evidence that complete revascularisation should be considered in haemodynamically stable patients. There are few larger randomised controlled trials available showing a lower risk of major adverse cardiac events after complete revascularisation, mainly driven by a reduction of repeat revascularisation. However, these trials are not adequately powered to show a mortality benefit or reduced risk of myocardial infarction. As there are several possible strategies, the presence of MVCAD often poses a therapeutic dilemma for interventional cardiologists and there is still ongoing debate on when and how to perform complete revascularisation. Pending further trials that may clarify which strategy is best, an individualised approach should be adopted.

SUBMITTER: Hasun M

PROVIDER: S-EPMC6234493 | biostudies-literature | 2018 Sep

REPOSITORIES: biostudies-literature

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Culprit Vessel Only Versus Complete Revascularisation in Patients with ST-Segment Elevation Myocardial Infarction - Should we Stay or Stage?

Hasun Matthias M Weidinger Franz F

Interventional cardiology (London, England) 20180901 3

Multivessel coronary artery disease (MVCAD) is common in patients with ST-elevation myocardial infarction (STEMI), thereby negatively affecting mortality and outcome. Currently there is increasing evidence that complete revascularisation should be considered in haemodynamically stable patients. There are few larger randomised controlled trials available showing a lower risk of major adverse cardiac events after complete revascularisation, mainly driven by a reduction of repeat revascularisation. ...[more]

PMID: 30443269

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Project description:BackgroundLeukocyte-mediated inflammation is crucial in ST-segment elevation myocardial infarction (STEMI). We recently observed that neutrophil extracellular traps (NETs) are increased at the culprit site, promoting activation and differentiation of fibrocytes, cells with mesenchymal and leukocytic properties. Fibrocyte migration is mediated by monocyte chemoattractant protein (MCP)-1 and C-C chemokine receptor type 2 (CCR2). We investigated the interplay between NETs, fibrocyte function, and MCP-1 in STEMI.MethodsCulprit site and peripheral blood samples of STEMI patients were drawn during primary percutaneous coronary intervention. MCP-1 and the NET marker citrullinated histone H3 (citH3) were measured by ELISA while double-stranded DNA was stained with a fluorescent dye. The influence of MCP-1 on NET formation in vitro was assessed using isolated healthy donor neutrophils. Human coronary artery endothelial cells (hCAECs) were stimulated with isolated NETs, and MCP-1 gene expression was measured by ELISA and qPCR. CCR2 expression of culprit site and peripheral blood fibrocytes was characterized by flow cytometry. Healthy donor fibrocyte receptor expression and chemotaxis were investigated in response to stimulation with MCP-1 and NETs in vitro.ResultsNETs and concentrations of MCP-1 were increased at the culprit site of 50 consecutive STEMI patients. NET stimulation of hCAECs induced transcription of ICAM-1, IL-6, and MCP-1, and secretion of MCP-1. MCP-1 promoted NET formation of healthy donor neutrophils in vitro. An increasing MCP-1 gradient correlated with fibrocyte accumulation at the culprit site. Locally increased MCP-1 levels were negatively correlated with CCR2 expression on fibrocytes. MCP-1 and NETs induced CCR2 downregulation on fibrocytes in vitro. NETs did not function as a chemotactic stimulus for fibrocytes or monocytes and could block migration in response to MCP-1 for both cell populations.ConclusionNETs function as signaling scaffolds at the culprit site of STEMI. NETs assist MCP-1 and ICAM-1 release from culprit site coronary artery endothelial cells. MCP-1 facilitates further NETosis. Monocytes enter the culprit site along an MCP-1 gradient, to transdifferentiate into fibrocytes in the presence of NETs.

Project description:ImportanceRecently, the Complete vs Culprit-Only Revascularization to Treat Multivessel Disease After Early PCI (percutaneous coronary intervention) for STEMI (ST-segment elevation myocardial infarction [MI]) (COMPLETE) trial showed that angiography-guided PCI of the nonculprit lesion with the goal of complete revascularization reduced cardiovascular (CV) death or new MI compared with PCI of the culprit lesion only in STEMI. Whether complete revascularization also reduces CV mortality is uncertain. Moreover, whether the association of complete revascularization with hard clinical outcomes is consistent when fractional flow reserve (FFR)- and angiography-guided strategies are used is unknown.ObjectiveTo determine through a systematic review and meta-analysis (1) whether complete revascularization is associated with decreased CV mortality and (2) whether heterogeneity in the association occurs when FFR- and angiography-guided PCI strategies for nonculprit lesions are performed.Data sourcesA systematic search of MEDLINE, Embase, ISI Web of Science, and CENTRAL (Cochrane Central Register of Controlled Trials) from database inception to September 30, 2019, was performed. Conference proceedings were also reviewed from January 1, 2002, to September 30, 2019.Study selectionEnglish-language randomized clinical trials comparing complete revascularization vs culprit-lesion-only PCI in patients with STEMI and multivessel disease were included.Data extraction and synthesisThe combined odds ratio (OR) was calculated with the random-effects model using the Mantel-Haenszel method (sensitivity with fixed-effects model). Heterogeneity was measured using the I2 statistic. Publication bias was evaluated using the inverted funnel plot approach. Data were analyzed from October 2019 to January 2020.Main outcomes and measuresCardiovascular death and the composite of CV death or new MI.ResultsTen randomized clinical trials involving 7030 unique patients were included. The weighted mean follow-up time was 29.5 months. Complete revascularization was associated with reduced CV death compared with culprit-lesion-only PCI (80 of 3191 [2.5%] vs 106 of 3406 [3.1%]; OR, 0.69 [95% CI, 0.48-0.99]; P = .05; fixed-effects model OR, 0.74 [95% CI, 0.55-0.99]; P = .04). All-cause mortality occurred in 153 of 3426 patients (4.5%) in the complete revascularization group vs 177 of 3604 (4.9%) in the culprit-lesion-only group (OR, 0.84 [95% CI, 0.67-1.05]; P = .13; I2 = 0%). Complete revascularization was associated with a reduced composite of CV death or new MI (192 of 2616 [7.3%] vs 266 of 2586 [10.3%]; OR, 0.69 [95% CI, 0.55-0.87]; P = .001; fixed-effects model OR, 0.69 [95% CI, 0.57-0.84]; P < .001), with no heterogeneity in this outcome when complete revascularization was performed using an FFR-guided strategy (OR, 0.78 [95% CI, 0.43-1.44]) or an angiography-guided strategy (OR, 0.61 [95% CI, 0.38-0.97]; P = .52 for interaction).Conclusions and relevanceIn patients with STEMI and multivessel disease, complete revascularization was associated with a reduction in CV mortality compared with culprit-lesion-only PCI. There was no differential association with treatment between FFR- and angiography-guided strategies on major CV outcomes.

Dataset Information

Culprit Vessel Only Versus Complete Revascularisation in Patients with ST-Segment Elevation Myocardial Infarction - Should we Stay or Stage?

Publications

Culprit Vessel Only Versus Complete Revascularisation in Patients with ST-Segment Elevation Myocardial Infarction - Should we Stay or Stage?

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