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Case report | DOI: https://doi.org/10.31579/2692-9759/021
*Corresponding Author: Julia Peterson, Department of Internal Medicine, Alameda Health System – Highland Hospital, Oakland, California, United States.
Citation: J Peterson, Shahad Al Chalaby, O Adejumo, X Yang. (2021) Coronary Artery Vasospasm: A Unique Cause of ST-Elevation Myocardial Infarction in COVID19. Cardiology Research and Reports. 3(2): Doi: 10.31579/2692-9759/021
Copyright: © 2021 ,Julia Peterson, This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Received: 04 April 2021 | Accepted: 01 May 2021 | Published: 10 May 2021
Keywords: acute coronary syndrome; coronary angiography; echocardiography; chest pain; vascular disease; COVID-19
Coronary artery vasospasm (CAV) is an under-recognized cause of ACS in patients with COVID-19. Difference in pathophysiology and management increases the importance of the identification of these patients. We describe the first case of CAV in a patient with COVID-19 in the absence of signs of severe systemic inflammation.
Coronavirus 2019 (COVID-19) has been shown to be associated with the development of a wide range of cardiovascular disorders. Coronary vasospasm and related myocardial injury in patients with COVID-19 infection is infrequently described and may be underdiagnosed. Here we present a novel case of a patient with mild COVID-19 infection presenting with STEMI and found to have severe coronary spasm complicated by a transmural myocardial infarction.
A 59-year-old man with a recent diagnosis of COVID-19 presented to the emergency department (ED) with 6 days of progressively worsening episodic left sided chest pain. Patient described chest pain as severe, pressure like, non-radiating, associated with shortness of breath and nausea. Ten days prior to his ED presentation, he developed symptoms of fatigue, malaise, loss of taste and smell. He tested positive for COVID-19 from a workplace exposure and was in isolation at home. The patient’s past medical history was significant for hypothyroidism, and a new diagnosis of hyperlipidemia and diabetes mellitus. His only medication prior to admission was levothyroxine.
On arrival to the ED, he complained of acute worsening of chest pain of a few hours duration and his triage vital signs showed a blood pressure of 169/86 mmHg, heart rate of 67 beats per minute, respiratory rate of 18 breaths per minute, oxygen saturation of 99% on room air, and temperature of 36.6 degrees Celsius. ECG identified anteroseptal and lateral STEMI with reciprocal changes in inferior leads (figure1). Patient was loaded with aspirin 324 mg when STEMI was noted on ECG in the ED. He also received 0.4 mg of nitroglycerin sublingually and 4 mg of morphine intravenously with mild transient improvement in his symptoms prior to cardiac catheterization. Initial serum troponin was 0.89 ng/mL (normal <0.1 ng/mL). Emergent coronary angiography was performed and identified severe mid and distal LAD spasm (Figure 2). Intracoronary nitroglycerin was given with significant improvement in LAD spasm (Figure 3), which was associated with complete resolution of symptoms. A transthoracic echocardiogram showed mildly reduced left ventricular ejection fraction of 40-45% with anteroseptal hypokinesia along with apical and distal anterolateral segments akinesia. Serum troponin peaked at 202.29 ng/mL. Chest radiograph was unremarkable. Patient was found to have elevated hemoglobin A1C 10.9% and was diagnosed with diabetes mellitus. Thyroid stimulating hormone was 2.93 mcIU/mL. Urine toxicology screen was negative for cocaine and methamphetamine.
He was then started on aspirin 81 mg, high intensity atorvastatin, Lisinopril, and metoprolol succinate for newly diagnosed cardiomyopathy. Patient remained hemodynamically stable throughout this hospitalization with complete resolution of symptoms. He was discharged home three days later with as needed nitroglycerin, aspirin, statin, angiotensin converting enzyme inhibitor, and beta blocker and is planned for follow up in clinic to optimize heart failure management.
The novel coronavirus 2019 has resulted in numerous cases with various cardiovascular complications, including but not limited to: acute coronary syndrome [1, 2], stress induced cardiomyopathy, right ventricular dysfunction [3], myocarditis, arrhythmias, and thromboembolism [4]. Only one case of coronary artery vasospasm in a patient with COVID-19 infection has been reported in the literature thus far [5], in a patient with severe COVID-19 pneumonia complicated by acute respiratory distress syndrome presenting with chest pain. During coronary angiogram, that patient had evidence of hemodynamically significant coronary artery disease that did not improve with intracoronary nitroglycerin resulting in stent placement and was ultimately diagnosed using invasive vasospasm testing.
To our knowledge, our case is the first report of CAV in a patient with COVID-19 infection presenting with STEMI on ECG and found to have severe CAV in a corresponding vessel without obvious provocation. Our patient had more than 3 mm ST elevation in the anteroseptal leads with corresponding severe mid to distal LAD vasospasm with near obliteration of vessel lumen. This improved significantly with intracoronary nitroglycerin administration with concurrent resolution of symptoms and ECG normalization. Patient did not have known independent risk factors for CAV, including tobacco, cocaine and methamphetamine or other stimulant use.
COVID-19 causes a severe systemic inflammatory state, including release of pro-inflammatory cytokines, T helper cell cytokine response, oxidative stress, and endothelial dysfunction related to increased ACE-2 (Angiotensin converting enzyme) receptor activation [6, 7]. It is possible that this patient may have already had underlying endothelial dysfunction and microvascular dysfunction related to his newly diagnosed diabetes [8] and hyperlipidemia that when coupled with a systemic inflammatory state associated with COVID-19 infection predisposed him to have CAV with transmural myocardial infarction.
His COVID-19 respiratory symptoms were mild on presentation and out of proportion to his degree of chest pain. Despite his mild symptoms related to COVID-19 disease, he developed severe LAD spasm complicated by a transmural myocardial infarction leading to LV systolic dysfunction. His symptoms and LAD spasm resolved with intracoronary nitroglycerin administration with resolution of STEMI on ECG (Figure 4) supporting the diagnosis of CAV. Up to one third of COVID-19 patients presenting with STEMI on ECG have angiographically normal coronary arteries in one case series by Bangalore et al [2], which may be among other possible reasons due to underdiagnosed intermittent CAV.
To date, this is the first case of coronary vasospasm reported with COVID-19 infection in the United States and the second case reported worldwide. A wide variety of cardiovascular manifestations have been identified during the COVID-19 pandemic; however, CAV is infrequently reported and may have a higher prevalence in this patient population.
We seek to increase medical society awareness about CAV in COVID-19 infection and that the condition can develop even in the absence of signs of severe systemic inflammation or hypoxemia. Further studies are needed to investigate the association between COVID-19 disease and the risk of coronary vasospasm.
COVID-19: Coronavirus 2019
STEMI: ST segment elevation myocardial infarction
ECG: Electrocardiography
CAV: coronary artery vasospasm
ED: Emergency Department
ACS: Acute coronary syndrome
LAD: left anterior descending coronary artery
We would like to acknowledge the patient and the significance of this case in expanding our understanding of the cardiovascular complications in COVID19. We would like to also acknowledge the effort and contribution of all the authors in writing this paper. We have no funding sources to acknowledge.
The authors have reported no disclosures and no relationships with industry.
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