Incidence and outcome of myocardial infarction treated with percutaneous coronary intervention during COVID-19 pandemic

Author:

Mohammad Moman AORCID,Koul Sasha,Olivecrona Göran K,Gӧtberg Matthias,Tydén Patrik,Rydberg Erik,Scherstén Fredrik,Alfredsson Joakim,Vasko Peter,Omerovic Elmir,Angerås Oskar,Fröbert OleORCID,Calais Fredrik,Völz Sebastian,Ulvenstam Anders,Venetsanos DimitriosORCID,Yndigegn Troels,Oldgren Jonas,Sarno Giovanna,Grimfjärd Per,Persson Jonas,Witt Nils,Ostenfeld Ellen,Lindahl Bertil,James Stefan K,Erlinge David

Abstract

ObjectiveMost reports on the declining incidence of myocardial infarction (MI) during the COVID-19 have either been anecdotal, survey results or geographically limited to areas with lockdowns. We examined the incidence of MI during the COVID-19 pandemic in Sweden, which has remained an open society with a different public health approach fighting COVID-19.MethodsWe assessed the incidence rate (IR) as well as the incidence rate ratios (IRRs) of all MI referred for coronary angiography in Sweden using the nationwide Swedish Coronary Angiography and Angioplasty Registry (SCAAR), during the COVID-19 pandemic in Sweden (1 March 2020–7 May 2020) in relation to the same days 2015–2019.ResultsA total of 2443 MIs were referred for coronary angiography during the COVID-19 pandemic resulting in an IR 36 MIs/day (204 MIs/100 000 per year) compared with 15 213 MIs during the reference period with an IR of 45 MIs/day (254 MIs/100 000 per year) resulting in IRR of 0.80, 95% CI (0.74 to 0.86), p<0.001. Results were consistent in all investigated patient subgroups, indicating no change in patient category seeking cardiac care. Kaplan-Meier event rates for 7-day case fatality were 439 (2.3%) compared with 37 (2.9%) (HR: 0.81, 95% CI (0.58 to 1.13), p=0.21). Time to percutaneous coronary intervention (PCI) was shorter during the pandemic and PCI was equally performed, indicating no change in quality of care during the pandemic.ConclusionThe COVID-19 pandemic has significantly reduced the incidence of MI referred for invasive treatment strategy. No differences in overall short-term case fatality or quality of care indicators were observed.

Funder

Swedish Scientific Research Council

Knut and Alice Wallenberg Foundation

SSF

The Swedish Heart and Lung Foundation

the Bundy Academy

ALF

Skane University Hospital funds

Publisher

BMJ

Subject

Cardiology and Cardiovascular Medicine

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