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Meta-Analysis
. 2024 Jul 3;7(7):CD014920.
doi: 10.1002/14651858.CD014920.pub2.

Preoperative coronary interventions for preventing acute myocardial infarction in the perioperative period of major open vascular or endovascular surgery

Francesco E Botelho  1 , Ronald Lg Flumignan  2   3 , Gabriella Yuka Shiomatsu  1 , Guilherme de Castro-Santos  1 , Daniel G Cacione  2 , Jose Oyama Leite  4 , Jose Cc Baptista-Silva  2   3
Affiliations
Meta-Analysis

Preoperative coronary interventions for preventing acute myocardial infarction in the perioperative period of major open vascular or endovascular surgery

Francesco E Botelho et al. Cochrane Database Syst Rev. .

Abstract

Background: Postoperative myocardial infarction (POMI) is associated with major surgeries and remains the leading cause of mortality and morbidity in people undergoing vascular surgery, with an incidence rate ranging from 5% to 20%. Preoperative coronary interventions, such as coronary artery bypass grafting (CABG) or percutaneous coronary interventions (PCI), may help prevent acute myocardial infarction in the perioperative period of major vascular surgery when used in addition to routine perioperative drugs (e.g. statins, angiotensin-converting enzyme inhibitors, and antiplatelet agents), CABG by creating new blood circulation routes that bypass the blockages in the coronary vessels, and PCI by opening up blocked blood vessels. There is currently uncertainty around the benefits and harms of preoperative coronary interventions.

Objectives: To assess the effects of preoperative coronary interventions for preventing acute myocardial infarction in the perioperative period of major open vascular or endovascular surgery.

Search methods: We searched the Cochrane Vascular Specialised Register, CENTRAL, MEDLINE Ovid, Embase Ovid, LILACS, and CINAHL EBSCO on 13 March 2023. We also searched the World Health Organization International Clinical Trials Registry Platform and ClinicalTrials.gov.

Selection criteria: We included all randomised controlled trials (RCTs) or quasi-RCTs that compared the use of preoperative coronary interventions plus usual care versus usual care for preventing acute myocardial infarction during major open vascular or endovascular surgery. We included participants of any sex or any age undergoing major open vascular surgery, major endovascular surgery, or hybrid vascular surgery.

Data collection and analysis: We used standard Cochrane methods. Our primary outcomes of interest were acute myocardial infarction, all-cause mortality, and adverse events resulting from preoperative coronary interventions. Our secondary outcomes were cardiovascular mortality, quality of life, vessel or graft secondary patency, and length of hospital stay. We reported perioperative and long-term outcomes (more than 30 days after intervention). We assessed the certainty of the evidence using the GRADE approach.

Main results: We included three RCTs (1144 participants). Participants were randomised to receive either preoperative coronary revascularisation with PCI or CABG plus usual care or only usual care before major vascular surgery. One trial enrolled participants if they had no apparent evidence of coronary artery disease. Another trial selected participants classified as high risk for coronary disease through preoperative clinical and laboratorial testing. We excluded one trial from the meta-analysis because participants from both the control and the intervention groups were eligible to undergo preoperative coronary revascularisation. We identified a high risk of performance bias in all included trials, with one trial displaying a high risk of other bias. However, the risk of bias was either low or unclear in other domains. We observed no difference between groups for perioperative acute myocardial infarction, but the evidence is very uncertain (risk ratio (RR) 0.28, 95% confidence interval (CI) 0.02 to 4.57; 2 trials, 888 participants; very low-certainty evidence). One trial showed a reduction in incidence of long-term (> 30 days) acute myocardial infarction in participants allocated to the preoperative coronary interventions plus usual care group, but the evidence was very uncertain (RR 0.09, 95% CI 0.03 to 0.28; 1 trial, 426 participants; very low-certainty evidence). There was little to no effect on all-cause mortality in the perioperative period when comparing the preoperative coronary intervention plus usual care group to usual care alone, but the evidence is very uncertain (RR 0.79, 95% CI 0.31 to 2.04; 2 trials, 888 participants; very low-certainty evidence). The evidence is very uncertain about the effect of preoperative coronary interventions on long-term (follow up: 2.7 to 6.2 years) all-cause mortality (RR 0.74, 95% CI 0.30 to 1.80; 2 trials, 888 participants; very low-certainty evidence). One study reported no adverse effects related to coronary angiography, whereas the other two studies reported five deaths due to revascularisations. There may be no effect on cardiovascular mortality when comparing preoperative coronary revascularisation plus usual care to usual care in the short term (RR 0.07, 95% CI 0.00 to 1.32; 1 trial, 426 participants; low-certainty evidence). Preoperative coronary interventions plus usual care in the short term may reduce length of hospital stay slightly when compared to usual care alone (mean difference -1.17 days, 95% CI -2.05 to -0.28; 1 trial, 462 participants; low-certainty evidence). We downgraded the certainty of the evidence due to concerns about risk of bias, imprecision, and inconsistency. None of the included trials reported on quality of life or vessel graft patency at either time point, and no study reported on adverse effects, cardiovascular mortality, or length of hospital stay at long-term follow-up.

Authors' conclusions: Preoperative coronary interventions plus usual care may have little or no effect on preventing perioperative acute myocardial infarction and reducing perioperative all-cause mortality compared to usual care, but the evidence is very uncertain. Similarly, limited, very low-certainty evidence shows that preoperative coronary interventions may have little or no effect on reducing long-term all-cause mortality. There is very low-certainty evidence that preoperative coronary interventions plus usual care may prevent long-term myocardial infarction, and low-certainty evidence that they may reduce length of hospital stay slightly, but not cardiovascular mortality in the short term, when compared to usual care alone. Adverse effects of preoperative coronary interventions were poorly reported in trials. Quality of life and vessel or graft patency were not reported. We downgraded the certainty of the evidence most frequently for high risk of bias, inconsistency, or imprecision. None of the analysed trials provided significant data on subgroups of patients who could potentially experience more substantial benefits from preoperative coronary intervention (e.g. altered ventricular ejection fraction). There is a need for evidence from larger and homogeneous RCTs to provide adequate statistical power to assess the role of preoperative coronary interventions for preventing acute myocardial infarction in the perioperative period of major open vascular or endovascular surgery.

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Conflict of interest statement

FB is a Professor of Vascular Surgery at the Universidade Federal de Minas Gerais, Brazil.

RF is a Professor of Vascular Surgery at the Universidade Federal de Sao Paulo, Brazil.

GS is a General Practitioner with the General Surgery Residency Program at Santa Casa de São Paulo.

GC‐S is an Adjunct Professor of Vascular Surgery at the Universidade Federal de Minas Gerais, Brazil. GC‐S works as a Vascular Surgeon in private hospitals in Brazil; he declares income from AngioNefro, the private practice where he is a partner. GC‐S is affiliated with the Sociedade Brasileira de Angiologia e Cirurgia Vascular, who have declared an opinion or position on the topic.

DC: declares that he has no conflicts of interest.

JL is an Assistant Professor of Surgery in the Division of Vascular Surgery, Department of Surgery, University of Cincinnati, USA.

JB‐S is a Professor of Vascular Surgery at the Universidade Federal de Sao Paulo, Brazil.

Figures

1
1
PRISMA flow diagram.
2
2
Risk of bias graph: review authors' judgements about each risk of bias item presented as percentages across all included studies.
3
3
Risk of bias summary: review authors' judgements about each risk of bias item for each included study.
1.1
1.1. Analysis
Comparison 1: Preoperative coronary intervention plus usual care versus usual care alone, Outcome 1: Acute myocardial infarction (short term < 30 days)
1.2
1.2. Analysis
Comparison 1: Preoperative coronary intervention plus usual care versus usual care alone, Outcome 2: Acute myocardial infarction (long term > 30 days)
1.3
1.3. Analysis
Comparison 1: Preoperative coronary intervention plus usual care versus usual care alone, Outcome 3: All‐cause mortality (perioperative)
1.4
1.4. Analysis
Comparison 1: Preoperative coronary intervention plus usual care versus usual care alone, Outcome 4: All‐cause mortality (long term)
1.5
1.5. Analysis
Comparison 1: Preoperative coronary intervention plus usual care versus usual care alone, Outcome 5: Cardiovascular mortality
1.6
1.6. Analysis
Comparison 1: Preoperative coronary intervention plus usual care versus usual care alone, Outcome 6: Length of hospital stay
See this image and copyright information in PMC

Update of

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References to other published versions of this review

Botelho 2021
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