PMID- 32930943 OWN - NLM STAT- MEDLINE DCOM- 20220209 LR - 20220209 IS - 1573-742X (Electronic) IS - 0929-5305 (Linking) VI - 51 IP - 4 DP - 2021 May TI - Prognostic implications of the rapid recruitment of coronary collaterals during ST elevation myocardial infarction (STEMI): a meta-analysis of over 14,000 patients. PG - 1005-1016 LID - 10.1007/s11239-020-02282-6 [doi] AB - Acute coronary collateralisation of an infarct-related arterial (IRA) territory may be identified during angiography for ST elevation myocardial infarction (STEMI). Whether the presence or absence of these collaterals affects outcomes remains uncertain. A search of EMBASE, MEDLINE and Cochrane Library, using the Preferred Reporting Items for Systematic reviews and Meta-Analysis (PRISMA) guidelines was conducted to identify studies which reported on the association between coronary collaterals and in-hospital and longer term mortality, left ventricular ejection fraction (LVEF), risk of repeat acute myocardial infarction (AMI) and repeat revascularisation. Patients with Rentrop grade 0 or 1 were defined as poor collaterals whilst those with Rentrop grade two or three were defined as those with robust collaterals. Studies were eligible if they included patients >/= 18 years of age who had immediate coronary angiography for STEMI. Included studies were observational which recorded the degree of collateral blood flow to the IRA. Two investigators reviewed all citations using a predefined protocol with final consensus for all studies, the data from which was then independently entered to ensure fidelity of results. Inverse variance random effects model for the meta-analysis along with risk of bias assessment was performed. 20 studies with a total of 14,608 patients were identified and included in the analysis. Patients with robust collaterals had lower mortality (OR 0.55, 95% CI 0.48-0.64), both in-hospital (OR 0.47, 95% CI 0.35-0.63) and longer term (OR 0.58, 95% CI 0.46-0.75). Patients with robust collaterals also had a higher mean LVEF (SMD 0.23, 95% CI 0.10-0.37). There was no difference in the rates of AMI or repeat revascularisation between patients with robust or poor collaterals. The presence of robust collaterals during STEMI is associated with reduced in-hospital and longer term mortality and improved left ventricular function. These findings have implications for prognostication and identifying patients who require close monitoring following STEMI. FAU - Allahwala, Usaid K AU - Allahwala UK AUID- ORCID: 0000-0001-7178-4744 AD - Department of Cardiology, Royal North Shore Hospital, Reserve Rd, St. Leonards, Sydney, 2065, Australia. usaid.allahwala@sydney.edu.au. AD - The University of Sydney, Sydney, Australia. usaid.allahwala@sydney.edu.au. FAU - Nour, Daniel AU - Nour D AD - Department of Cardiology, Royal North Shore Hospital, Reserve Rd, St. Leonards, Sydney, 2065, Australia. FAU - Alsanjari, Osama AU - Alsanjari O AD - Sussex Cardiac Centre, Brighton and Sussex University Hospitals, Brighton, UK. FAU - Bhatia, Kunwardeep AU - Bhatia K AD - Department of Cardiology, Royal North Shore Hospital, Reserve Rd, St. Leonards, Sydney, 2065, Australia. FAU - Nagaraja, Vinayak AU - Nagaraja V AD - Division of Interventional Cardiology, Cleveland Clinic, Cleveland, OH, USA. FAU - Khatri, Jaikirshan J AU - Khatri JJ AD - Division of Interventional Cardiology, Cleveland Clinic, Cleveland, OH, USA. FAU - Cockburn, James AU - Cockburn J AD - Sussex Cardiac Centre, Brighton and Sussex University Hospitals, Brighton, UK. FAU - Hildick-Smith, David AU - Hildick-Smith D AD - Sussex Cardiac Centre, Brighton and Sussex University Hospitals, Brighton, UK. FAU - Sakata, Yasuhiko AU - Sakata Y AD - Department of Cardiovascular Medicine, Tohoku University Graduate School of Medicine, Sendai, Japan. FAU - Ward, Michael AU - Ward M AD - Department of Cardiology, Royal North Shore Hospital, Reserve Rd, St. Leonards, Sydney, 2065, Australia. FAU - Weaver, James C AU - Weaver JC AD - The University of Sydney, Sydney, Australia. AD - Cardiology Department, Royal Prince Alfred Hospital, Sydney, Australia. FAU - Bhindi, Ravinay AU - Bhindi R AD - Department of Cardiology, Royal North Shore Hospital, Reserve Rd, St. Leonards, Sydney, 2065, Australia. AD - The University of Sydney, Sydney, Australia. LA - eng PT - Journal Article PT - Meta-Analysis DEP - 20200915 PL - Netherlands TA - J Thromb Thrombolysis JT - Journal of thrombosis and thrombolysis JID - 9502018 SB - IM MH - Coronary Angiography MH - Coronary Circulation MH - Humans MH - *Myocardial Infarction MH - *Percutaneous Coronary Intervention MH - Prognosis MH - *ST Elevation Myocardial Infarction MH - Stroke Volume MH - Ventricular Function, Left OTO - NOTNLM OT - Collateral OT - Coronary collaterals OT - Rentrop OT - STEMI EDAT- 2020/09/16 06:00 MHDA- 2022/02/10 06:00 CRDT- 2020/09/15 12:15 PHST- 2020/09/11 00:00 [accepted] PHST- 2020/09/16 06:00 [pubmed] PHST- 2022/02/10 06:00 [medline] PHST- 2020/09/15 12:15 [entrez] AID - 10.1007/s11239-020-02282-6 [pii] AID - 10.1007/s11239-020-02282-6 [doi] PST - ppublish SO - J Thromb Thrombolysis. 2021 May;51(4):1005-1016. doi: 10.1007/s11239-020-02282-6. Epub 2020 Sep 15.