Five years of a comprehensive ST-elevation myocardial infarction protocol and its association with sex disparities
Author:
Huded Chetan P1ORCID, Kumar Anirudh23, Kassis Nicholas23, Johnson Michael J4, Kravitz Kathleen23, Brown Abigail5, Shanahan Marguerite2, Trentanelli Karen6, Reed Grant W2, Menon Venu2, Krishnaswamy Amar2, Ellis Stephen G2, Kralovic Damon M5, Meldon Stephen W6, Kapadia Samir R2ORCID, Khot Umesh N23ORCID
Affiliation:
1. Saint Luke’s Mid America Heart Institute, Kansas City, MO, USA 2. Cleveland Clinic Heart, Vascular, & Thoracic Institute, Cleveland, OH, USA 3. Cleveland Clinic Heart, Vascular, & Thoracic Institute, Center for Healthcare Delivery Innovation, Desk J2-4, 9500 Euclid Avenue, Cleveland, OH, USA 4. University Cardiology Associates, Augusta, GA, USA 5. Cleveland Clinic Medical Operations, Cleveland, OH, USA 6. Cleveland Clinic Emergency Services Institute, Cleveland, OH, USA
Abstract
Abstract
Aims
To determine whether a comprehensive ST-elevation myocardial infarction (STEMI) protocol is associated with reduced sex disparities over 5 years.
Methods and results
This was an observational cohort study of 1833 consecutive STEMI patients treated with percutaneous coronary intervention (PCI) before (1 January 2011–14 July 2014, control group) and after (15 July 2014–15 July 2019, protocol group) implementation of a protocol for early guideline-directed medical therapy (GDMT), rapid door to balloon time (D2BT), and use of trans-radial PCI. In the control group, females had less GDMT (77.1% vs. 68.1%, P = 0.03), similarly low trans-radial PCI (19.0% vs. 17.6%, P = 0.73), and longer D2BT [104 min (79, 133) vs. 112 min (85, 147), P = 0.02] corresponding to higher in-hospital mortality [4.5% vs. 10.3%, odds ratio (OR) 2.44 (1.34–4.46), P = 0.004], major adverse cardiac and cerebrovascular events [MACCE, 9.8% vs. 16.3%, OR 1.79 (1.14–2.84), P = 0.01], and net adverse clinical events [NACE, 16.1% vs. 28.3%, OR 2.06 (1.42–2.99), P < 0.001]. In the protocol group, no significant sex differences were observed in GDMT (87.2% vs. 86.4%, P = 0.81) or D2BT [85 min (64–106) vs. 89 min (65–111), P = 0.06], but trans-radial PCI was used less in females (77.6% vs. 71.2%, P = 0.03). In-hospital mortality [2.5% vs. 4.4%, OR 1.78 (0.91–3.51), P = 0.09] and MACCE [9.0% vs. 11.1%, OR 1.27 (0.83–1.92), P = 0.26] were similar between sexes, but higher NACE in females approached significance [14.8% vs. 19.4%, OR 1.38 (0.99–1.92), P = 0.05] due to higher bleeding risk [7.2% vs. 11.1%, OR 1.60 (1.04–2.46), P = 0.03].
Conclusions
A comprehensive STEMI protocol was associated with sustained reductions for in-hospital ischaemic outcomes over 5 years, but higher bleeding rates in females persisted.
Funder
Heart, Vascular, and Thoracic Institute Center for Healthcare Delivery Innovation, Cleveland Clinic
Publisher
Oxford University Press (OUP)
Cited by
2 articles.
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