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Rajakariar K, Andrianopoulos N, Gayed D, Liang D, Backhouse B, Ajani AE, Duffy SJ, Brennan A, Roberts L, Reid CM, Oqueli E, Clark D, Freeman M. Outcomes of thrombus aspiration during primary percutaneous coronary intervention for ST-elevation myocardial infarction. Intern Med J 2023; 53:1376-1382. [PMID: 35670161 DOI: 10.1111/imj.15828] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Accepted: 06/01/2022] [Indexed: 11/30/2022]
Abstract
BACKGROUND Previous large multi-centre randomised controlled trials have not provided clear benefit with routine intracoronary thrombus aspiration (TA) as an adjunct to primary percutaneous coronary intervention (PCI) in patients with ST-elevation myocardial infarction (STEMI). AIM To determine whether there is a difference in outcomes with the use of manual TA prior to PCI, compared with PCI alone in a cohort of patients with STEMI. METHODS We analysed data from 6270 consecutive patients undergoing primary PCI for STEMI prospectively enrolled in the Melbourne Interventional Group registry between 2007 and 2018. Multivariable analysis was performed to determine predictors of 30-day major adverse cardiovascular and cerebrovascular events (MACCE) and long-term mortality. RESULTS We compared 1621 (26%) patients undergoing primary PCI with TA to 4649 (74%) patients undergoing PCI alone. Male gender (81% vs 78%; P < 0.01), younger age (61 vs 63 years; P = 0.03), GP-IIb/IIIa use (76% vs 58%, P < 0.01), and current smoking (40% vs 36%; P < 0.01) were more common in the TA group. TA was more likely to be used in patients with complex lesions (83% vs 66%; P < 0.01) with TIMI 0 flow (77% vs 56%; P < 0.01). No significant difference in post-procedural TIMI flow, stroke, 30-day mortality, or long-term mortality were identified. Multivariable analysis demonstrated a reduction in 30-day MACCE (hazard ratio (HR) 0.75; confidence interval (CI) 0.63-0.89; P < 0.01) in the TA group, but was not associated with long-term mortality (HR 0.98; CI 0.85-1.1; P = 0.73). CONCLUSION The use of TA in patients undergoing primary PCI for STEMI was not associated with improved short or long-term mortality when compared with PCI alone.
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Affiliation(s)
- Kevin Rajakariar
- Department of Cardiology, Eastern Health, Melbourne, Victoria, Australia
| | - Nick Andrianopoulos
- Centre of Cardiovascular Research and Education in Therapeutics (CCRE), School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
| | - Daniel Gayed
- Department of Cardiology, Eastern Health, Melbourne, Victoria, Australia
| | - Danlu Liang
- Department of Cardiology, Eastern Health, Melbourne, Victoria, Australia
| | - Brendan Backhouse
- Department of Cardiology, Eastern Health, Melbourne, Victoria, Australia
| | - Andrew E Ajani
- Department of Cardiology, Royal Melbourne Hospital, Melbourne, Victoria, Australia
| | - Stephen J Duffy
- Department of Cardiology, Alfred Health, Melbourne, Victoria, Australia
| | - Angela Brennan
- Centre of Cardiovascular Research and Education in Therapeutics (CCRE), School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
| | - Louise Roberts
- Department of Cardiology, Eastern Health, Melbourne, Victoria, Australia
| | - Christopher M Reid
- Centre of Cardiovascular Research and Education in Therapeutics (CCRE), School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
| | - Ernesto Oqueli
- Department of Cardiology, Ballarat Health Services, Ballarat, Victoria, Australia
| | - David Clark
- Department of Cardiology, Austin Health, Melbourne, Victoria, Australia
| | - Melanie Freeman
- Department of Cardiology, Eastern Health, Melbourne, Victoria, Australia
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