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2.
Kardiologiia ; 62(5): 18-26, 2022 May 31.
Article in Russian | MEDLINE | ID: covidwho-2249747

ABSTRACT

Aim      To study the clinical course of non-ST segment elevation myocardial infarction (NSTEMI) in hospitalized patients after COVID-19 and to evaluate the effect of baseline characteristics of patients on the risk of complications.Material and methods  The study included 209 patients with NSTEMI; 104 of them had had COVID-19. The course of myocardial infarction (MI) was analyzed at the hospital stage, including evaluation of the incidence rate of complications (fatal outcome, recurrent MI, life-threatening arrhythmias and conduction disorders, pulmonary edema, cardiogenic shock, ischemic stroke, gastrointestinal bleeding).Results Mean age of patients after COVID-19 was 61.8±12.2 years vs. 69.0±13.0 in the comparison group (p<0.0001). The groups were comparable by risk factors, clinical data, and severity of coronary damage. Among those who have had СOVID-19, there were fewer patients of the GRACE high risk group (55.8 % vs. 74.3 %; p<0.05). Convalescent COVID-19 patients had higher levels of C-reactive protein and troponin I (p<0.05). The groups did not significantly differ in the incidence of unfavorable NSTEMI course (p>0.05). However, effects of individual factors (postinfarction cardiosclerosis, atrial fibrillation, decreased SpO2, red blood cell concentration, increased plasma glucose) on the risk of complications were significantly greater for patients after COVID-19 than for the control group (p<0.05).Conclusion      Patients with NSTEMI, despite differences in clinical history and laboratory data, are characterized by a similar risk of death at the hospital stage, regardless of the past COVID-19. Despite the absence of statistically significant differences in the incidence of in-hospital complications, in general, post-COVID-19 patients showed a higher risk of complicated course of NSTEMI compared to patients who had not have COVID-19. In addition, for this category of patients, new factors were identified that previously did not exert a clinically significant effect on the incidence of complications: female gender, concentration of IgG to SARS-CoV-2 ≥200.0 U/l, concentration of С-reactive protein ≥40.0 mg/l, total protein <65 g/l. These results can be used for additional stratification of risk for cardiovascular complications in patients with MI and also for development of individual protocols for evaluation and management of NSTEMI patients with a history of COVID-19.


Subject(s)
COVID-19 , Myocardial Infarction , Non-ST Elevated Myocardial Infarction , ST Elevation Myocardial Infarction , Aged , Arrhythmias, Cardiac/complications , COVID-19/complications , COVID-19/epidemiology , Female , Humans , Middle Aged , Myocardial Infarction/diagnosis , Myocardial Infarction/epidemiology , Myocardial Infarction/etiology , Non-ST Elevated Myocardial Infarction/complications , Non-ST Elevated Myocardial Infarction/diagnosis , Non-ST Elevated Myocardial Infarction/epidemiology , Risk Factors , SARS-CoV-2 , ST Elevation Myocardial Infarction/complications , Treatment Outcome
5.
Am J Case Rep ; 23: e937105, 2022 Aug 31.
Article in English | MEDLINE | ID: covidwho-2025553

ABSTRACT

BACKGROUND Guillain-Barre syndrome (GBS) is an autoimmune demyelinating disease that affects peripheral nerves and may be associated with nerve pain in the upper limbs and chest. Autonomic dysfunction in GBS can result in electrocardiography (ECG) changes that include T wave inversion, ST segment depression, or ST segment elevation. Recently, GBS was been recognized as a neurological consequence of COVID-19. This report describes the challenge of emergency diagnosis of posterior myocardial infarction (MI) in a 45-year-old Javanese woman who was known to have a 1-month history of COVID-19-related Guillain-Barre syndrome. CASE REPORT We report the case of a 45-year-old patient who presented to the Emergency Department (ED) with atypical angina. She had a history of GBS that started 2 weeks after she developed COVID-19. Since then, she frequently had pain in both legs and occasionally in the chest. Her electrocardiogram revealed subtle ST segment depression in the anteroseptal leads (V1-V4), along with ST segment elevation in the posterior leads (V7-V9). Cardiac marker (troponin I) was elevated and posterior regional wall motion abnormality was present on an echocardiogram. Coronary angiography revealed total occlusion of the first diagonal branch of the LAD, followed by deployment of drug-eluting stents to achieve good angiographic results. The patient was diagnosed with GBS and isolated posterior ST segment elevation myocardial infarction. CONCLUSIONS This report shows the importance of performing standard cardiac investigations for myocardial ischemia or infarction in patients known to have Guillain-Barre syndrome so that the patient can be treated appropriately and urgently to ensure the best possible outcome.


Subject(s)
COVID-19 , Guillain-Barre Syndrome , Myocardial Infarction , Arrhythmias, Cardiac , COVID-19/complications , COVID-19 Testing , Electrocardiography/methods , Female , Guillain-Barre Syndrome/diagnosis , Guillain-Barre Syndrome/etiology , Humans , Indonesia , Middle Aged , Myocardial Infarction/diagnosis , Myocardial Infarction/etiology
6.
Catheter Cardiovasc Interv ; 100(4): 568-574, 2022 10.
Article in English | MEDLINE | ID: covidwho-2013401

ABSTRACT

OBJECTIVES: To evaluate characteristics and outcomes of patients presenting with acute myocardial infarction and cardiogenic shock (AMICS) during the coronavirus disease 2019 (COVID-19) pandemic. BACKGROUND: The COVID-19 pandemic has created challenges in delivering acute cardiovascular care. Quality measures and outcomes of patients presenting with AMICS during COVID-19 in the United States have not been well described. METHODS: We identified 406 patients from the National Cardiogenic Shock Initiative (NCSI) with AMICS and divided them into those presenting before (N = 346, 5/9/2016-2/29/2020) and those presenting during the COVID-19 pandemic (N = 60, 3/1/2020-11/10/2020). We compared baseline clinical data, admission characteristics, and outcomes. RESULTS: The median age of the cohort was 64 years, and 23.7% of the group was female. There were no significant differences in age, sex, and medical comorbidities between the two groups. Patients presenting during the pandemic were less likely to be Black compared to those presenting prior. Median door to balloon (90 vs. 88 min, p = 0.38), door to support (88 vs. 78 min, p = 0.13), and the onset of shock to support (74 vs. 62 min, p = 0.15) times were not significantly different between the two groups. Patients presented with ST-elevation myocardial infarction more often during the COVID-19 period (95.0% vs. 80.0%, p = 0.005). In adjusted logistic regression models, COVID-19 period did not significantly associate with survival to discharge (odds ratio [OR] 1.09, 95% confidence interval [CI] 0.54-2.19, p = 0.81) or with 1-month survival (OR 0.82, 95% CI 0.42-1.61, p = 0.56). CONCLUSIONS: Care of patients presenting with AMICS has remained robust among hospitals participating in the NCSI during the COVID-19 pandemic.


Subject(s)
COVID-19 , Heart-Assist Devices , Myocardial Infarction , Percutaneous Coronary Intervention , ST Elevation Myocardial Infarction , COVID-19/complications , Female , Heart-Assist Devices/adverse effects , Humans , Middle Aged , Myocardial Infarction/diagnosis , Myocardial Infarction/etiology , Myocardial Infarction/therapy , Pandemics , Percutaneous Coronary Intervention/adverse effects , ST Elevation Myocardial Infarction/diagnosis , ST Elevation Myocardial Infarction/etiology , ST Elevation Myocardial Infarction/therapy , Shock, Cardiogenic/diagnosis , Shock, Cardiogenic/etiology , Shock, Cardiogenic/therapy , Treatment Outcome , United States/epidemiology
7.
Ann Intern Med ; 175(9): 1250-1257, 2022 09.
Article in English | MEDLINE | ID: covidwho-2002659

ABSTRACT

BACKGROUND: The BNT162b2 (Pfizer-BioNTech) vaccine has been shown to be safe with regard to risk for severe cardiovascular events (such as myocardial infarction [MI], pulmonary embolism [PE], and stroke) in persons aged 75 years or older. Less is known about the safety of other COVID-19 vaccines or outcomes in younger populations. OBJECTIVE: To assess short-term risk for severe cardiovascular events (excluding myocarditis and pericarditis) after COVID-19 vaccination in France's 46.5 million adults younger than 75 years. DESIGN: Self-controlled case series method adapted to event-dependent exposure and high event-related mortality. SETTING: France, 27 December 2020 to 20 July 2021. PATIENTS: All adults younger than 75 years hospitalized for PE, acute MI, hemorrhagic stroke, or ischemic stroke (n = 73 325 total events). MEASUREMENTS: Linkage between the French National Health Data System and COVID-19 vaccine databases enabled identification of hospitalizations for cardiovascular events (MI, PE, or stroke) and receipt of a first or second dose of the Pfizer-BioNTech, mRNA-1273 (Moderna), Ad26.COV2.S (Janssen), or ChAdOx1 nCoV-19 (Oxford-AstraZeneca) vaccine. The relative incidence (RI) of each cardiovascular event was estimated in the 3 weeks after vaccination compared with other periods, with adjustment for temporality (7-day periods). RESULTS: No association was found between the Pfizer-BioNTech or Moderna vaccine and severe cardiovascular events. The first dose of the Oxford-AstraZeneca vaccine was associated with acute MI and PE in the second week after vaccination (RI, 1.29 [95% CI, 1.11 to 1.51] and 1.41 [CI, 1.13 to 1.75], respectively). An association with MI in the second week after a single dose of the Janssen vaccine could not be ruled out (RI, 1.75 [CI, 1.16 to 2.62]). LIMITATIONS: It was not possible to ascertain the relative timing of injection and cardiovascular events on the day of vaccination. Outpatient deaths related to cardiovascular events were not included. CONCLUSION: In persons aged 18 to 74 years, adenoviral-based vaccines may be associated with increased incidence of MI and PE. No association between mRNA-based vaccines and the cardiovascular events studied was observed. PRIMARY FUNDING SOURCE: None.


Subject(s)
COVID-19 Vaccines , COVID-19 , Myocardial Infarction , Pulmonary Embolism , Stroke , Ad26COVS1 , Adult , BNT162 Vaccine , COVID-19/epidemiology , COVID-19/prevention & control , COVID-19 Vaccines/adverse effects , ChAdOx1 nCoV-19 , Humans , Myocardial Infarction/complications , Myocardial Infarction/etiology , Pulmonary Embolism/complications , Pulmonary Embolism/etiology , RNA, Messenger , Stroke/epidemiology , Stroke/etiology , Vaccination/adverse effects
8.
Medicine (Baltimore) ; 101(30): e29596, 2022 Jul 29.
Article in English | MEDLINE | ID: covidwho-1967937

ABSTRACT

The coronavirus disease 2019 (COVID-19) resulted in a marked decrease in the number of patient visits for acute myocardial infarction and delayed patient response and intervention in several countries. This study evaluated the effect of the COVID-19 pandemic on the number of patients, patient response time (pain-to-door), and intervention time (door-to-balloon) for patients with ST-segment elevation myocardial infarction (STEMI) and non-ST-segment elevation myocardial infarction (NSTEMI). Patients with STEMI or NSTEMI visiting a hospital in South Korea who underwent primary coronary intervention during the COVID-19 pandemic (January 29, 2020, to December 31, 2020) were compared with those in the equivalent period from 2018 to 2019. Patient response and intervention times were compared for the COVID-19 pandemic window (2020) and the equivalent period from 2018 to 2019. We observed no decrease in the number of patients with STEMI (P = .88) and NSTEMI (P = 1.00) during the COVID-19 pandemic compared to that in the previous years. Patient response times (STEMI: P = .39; NSTEMI: P = .59) during the overall COVID-19 pandemic period did not differ significantly. However, we identified a significant decrease in door-to-balloon time among patients with STEMI (14%; P < .01) during the early COVID-19 pandemic. We found that the number of patients with STEMI and NSTEMI was consistent during the COVID-19 pandemic and that no time delays in patient response and intervention occurred. However, the door-to-balloon time among patients with STEMI significantly reduced during the early COVID-19 pandemic, which could be attributed to decreased emergency care utilization during the early pandemic.


Subject(s)
COVID-19 , Myocardial Infarction , Non-ST Elevated Myocardial Infarction , Percutaneous Coronary Intervention , ST Elevation Myocardial Infarction , COVID-19/epidemiology , Humans , Myocardial Infarction/etiology , Myocardial Infarction/therapy , Non-ST Elevated Myocardial Infarction/etiology , Non-ST Elevated Myocardial Infarction/therapy , Pandemics , Percutaneous Coronary Intervention/adverse effects , ST Elevation Myocardial Infarction/etiology , ST Elevation Myocardial Infarction/therapy , Time Factors , Treatment Outcome
9.
Arch Iran Med ; 24(4): 339-340, 2021 04 01.
Article in English | MEDLINE | ID: covidwho-1761684

ABSTRACT

Since the emergence of novel coronavirus and the disease named as COVID-19 in late December of 2019 in Wuhan, Hubei province, China, many aspects of this disease have been reported in the literature (mainly pulmonary manifestations). In patients with COVID-19, rheumatic and cardiovascular manifestations and interactions were reported separately, but they were all very rare. This is the report of a 14-year-old teenager with GPA (previously known as Wegner's granulomatosis) who was in remission with immunosuppressive therapy. Post COVID-19 infection, she developed exacerbation of her disease. Besides the rheumatologic manifestations, she developed epigastric pain found to be acute myocardial infarction (MI) that needed primary percutaneous coronary intervention (PCI).


Subject(s)
COVID-19/complications , COVID-19/diagnosis , Granulomatosis with Polyangiitis/complications , Myocardial Infarction/diagnosis , Myocardial Infarction/etiology , Adolescent , COVID-19/therapy , Female , Humans , Myocardial Infarction/therapy
13.
BMC Cardiovasc Disord ; 21(1): 626, 2021 12 31.
Article in English | MEDLINE | ID: covidwho-1592243

ABSTRACT

INTRODUCTION: The majority of studies evaluating the effect of myocardial injury on the survival of COVID-19 patients have been performed outside of the United States (U.S.). These studies have often utilized definitions of myocardial injury that are not guideline-based and thus, not applicable to the U.S. METHODS: The current study is a two-part investigation of the effect of myocardial injury on the clinical outcome of patients hospitalized with COVID-19. The first part is a retrospective analysis of 268 patients admitted to our healthcare system in Toledo, Ohio, U.S.; the second part is a systematic review and meta-analysis of all similar studies performed within the U.S. RESULTS: In our retrospective analysis, patients with myocardial injury were older (mean age 73 vs. 59 years, P 0.001), more likely to have hypertension (86% vs. 67%, P 0.005), underlying cardiovascular disease (57% vs. 24%, P 0.001), and chronic kidney disease (26% vs. 10%, P 0.004). Myocardial injury was also associated with a lower likelihood of discharge to home (35% vs. 69%, P 0.001), and a higher likelihood of death (33% vs. 10%, P 0.001), acute kidney injury (74% vs. 30%, P 0.001), and circulatory shock (33% vs. 12%, P 0.001). Our meta-analysis included 12,577 patients from 8 U.S. states and 55 hospitals who were hospitalized with COVID-19, with the finding that myocardial injury was significantly associated with increased mortality (HR 2.43, CI 2.28-3.6, P 0.0005). The prevalence of myocardial injury ranged from 9.2 to 51%, with a mean prevalence of 27.2%. CONCLUSION: Hospitalized COVID-19 patients in the U.S. have a high prevalence of myocardial injury, which was associated with poorer survival and outcomes.


Subject(s)
COVID-19/complications , Myocardial Infarction/etiology , Aged , Cardiovascular Diseases/complications , Female , Hospitalization , Humans , Male , Middle Aged , Myocardial Infarction/diagnosis , Ohio , Prognosis , Renal Insufficiency, Chronic/complications , Retrospective Studies , SARS-CoV-2 , Troponin I/blood
14.
Catheter Cardiovasc Interv ; 99(2): 391-396, 2022 02.
Article in English | MEDLINE | ID: covidwho-1589160

ABSTRACT

BACKGROUND: The impact of COVID-19 on the diagnosis and management of nonculprit lesions remains unclear. OBJECTIVES: This study sought to evaluate the management and outcomes of patients with nonculprit lesions during the COVID-19 pandemic. METHODS: We conducted a retrospective observational analysis of consecutive primary percutaneous coronary intervention (PPCI) pathway activations across the heart attack center network in London, UK. Data from the study period in 2020 were compared with prepandemic data in 2019. The primary outcome was the rate of nonculprit lesion percutaneous coronary intervention (PCI) and secondary outcomes included major adverse cardiovascular events. RESULTS: A total of 788 patients undergoing PPCI were identified, 209 (60%) in 2020 cohort and 263 (60%) in 2019 cohort had nonculprit lesions (p = .89). There was less functional assessment of the significance of nonculprit lesions in the 2020 cohort compared to 2019 cohort; in 8% 2020 cohort versus 15% 2019 cohort (p = .01). There was no difference in rates of PCI for nonculprit disease in the 2019 and 2020 cohorts (31% vs 30%, p = .11). Patients in 2020 cohort underwent nonculprit lesion PCI sooner than the 2019 cohort (p < .001). At 6 months there was higher rates of unplanned revascularization (4% vs. 2%, p = .05) and repeat myocardial infarction (4% vs. 1%, p = .02) in the 2019 cohort compared to 2020 cohort. CONCLUSION: Changes to clinical practice during the COVID-19 pandemic were associated with reduced rates of unplanned revascularization and myocardial infarction at 6-months follow-up, and despite the pandemic, there was no difference in mortality, suggesting that it is not only safe but maybe more efficacious.


Subject(s)
COVID-19 , Myocardial Infarction , Percutaneous Coronary Intervention , ST Elevation Myocardial Infarction , Humans , London/epidemiology , Myocardial Infarction/etiology , Pandemics , Percutaneous Coronary Intervention/adverse effects , Retrospective Studies , SARS-CoV-2 , ST Elevation Myocardial Infarction/diagnostic imaging , ST Elevation Myocardial Infarction/etiology , ST Elevation Myocardial Infarction/therapy , Treatment Outcome
16.
Exp Clin Transplant ; 19(11): 1232-1237, 2021 11.
Article in English | MEDLINE | ID: covidwho-1431093

ABSTRACT

Shortages of grafts for liver transplant remain a persistent problem. The use of lacerated livers for liver transplant can add an option for extended criteria donations, especially during the COVID-19 pandemic. We present the case of a successful liver transplant performed using a high-grade lacerated liver previously treated with superselective arterial embolization and packing for bleeding control. In view of the absence of guidelines for the use of lacerated livers for transplant, we also performed a review of the literature on injured liver grafts that were used for liver transplants. Meticulous care and careful selection of recipients were essential prerequisites for achieving successful outcomes.


Subject(s)
Abdominal Injuries/etiology , COVID-19 , End Stage Liver Disease/surgery , Heart Massage/adverse effects , Liver Transplantation , Liver/injuries , Liver/surgery , Myocardial Infarction/therapy , Takotsubo Cardiomyopathy/complications , Abdominal Injuries/diagnostic imaging , Abdominal Injuries/therapy , Adolescent , Adult , Clinical Decision-Making , Donor Selection , End Stage Liver Disease/diagnosis , Fatal Outcome , Female , Humans , Liver/diagnostic imaging , Liver Transplantation/adverse effects , Male , Middle Aged , Myocardial Infarction/diagnosis , Myocardial Infarction/etiology , Risk Assessment , Risk Factors , Takotsubo Cardiomyopathy/diagnosis , Treatment Outcome , Young Adult
18.
Eur Heart J Qual Care Clin Outcomes ; 7(5): 438-446, 2021 09 16.
Article in English | MEDLINE | ID: covidwho-1377964

ABSTRACT

AIMS: To evaluate the acute and chronic patterns of myocardial injury among patients with coronavirus disease-2019 (COVID-19), and their mid-term outcomes. METHODS AND RESULTS: Patients with laboratory-confirmed COVID-19 who had a hospital encounter within the Mount Sinai Health System (New York City) between 27 February 2020 and 15 October 2020 were evaluated for inclusion. Troponin levels assessed between 72 h before and 48 h after the COVID-19 diagnosis were used to stratify the study population by the presence of acute and chronic myocardial injury, as defined by the Fourth Universal Definition of Myocardial Infarction. Among 4695 patients, those with chronic myocardial injury (n = 319, 6.8%) had more comorbidities, including chronic kidney disease and heart failure, while acute myocardial injury (n = 1168, 24.9%) was more associated with increased levels of inflammatory markers. Both types of myocardial injury were strongly associated with impaired survival at 6 months [chronic: hazard ratio (HR) 4.17, 95% confidence interval (CI) 3.44-5.06; acute: HR 4.72, 95% CI 4.14-5.36], even after excluding events occurring in the first 30 days (chronic: HR 3.97, 95% CI 2.15-7.33; acute: HR 4.13, 95% CI 2.75-6.21). The mortality risk was not significantly different in patients with acute as compared with chronic myocardial injury (HR 1.13, 95% CI 0.94-1.36), except for a worse prognostic impact of acute myocardial injury in patients <65 years of age (P-interaction = 0.043) and in those without coronary artery disease (P-interaction = 0.041). CONCLUSION: Chronic and acute myocardial injury represent two distinctive patterns of cardiac involvement among COVID-19 patients. While both types of myocardial injury are associated with impaired survival at 6 months, mortality rates peak in the early phase of the infection but remain elevated even beyond 30 days during the convalescent phase.


Subject(s)
COVID-19/complications , Myocardial Infarction/blood , Myocardial Infarction/etiology , Troponin/analysis , Acute Disease/epidemiology , Acute Disease/mortality , Adult , Aged , Aged, 80 and over , COVID-19/diagnosis , COVID-19/epidemiology , COVID-19/virology , Chronic Disease/epidemiology , Chronic Disease/mortality , Comorbidity , Coronary Artery Disease/epidemiology , Coronary Artery Disease/mortality , Female , Heart Failure/epidemiology , Humans , Male , Middle Aged , Mortality/trends , Myocardial Infarction/epidemiology , Myocardial Infarction/mortality , New York City/epidemiology , Outcome Assessment, Health Care , Prognosis , Renal Insufficiency, Chronic/epidemiology , Retrospective Studies , SARS-CoV-2/genetics
19.
BMJ Case Rep ; 14(8)2021 Aug 25.
Article in English | MEDLINE | ID: covidwho-1373950

ABSTRACT

COVID-19 is a prothrombotic condition that is also associated with raised troponin levels and myocardial damage. We present a case of a 54-year-old man who was admitted with respiratory failure due to COVID-19 and developed a ST-elevation myocardial infarction (STEMI) during his admission. His coronary angiogram did not show any significant coronary artery disease other than a heavily thrombosed right coronary artery. In view of heavy thrombus burden, the right coronary artery was treated with thrombus retrieval using a distal embolic protection device in addition to manual thrombectomy and direct (intracoronary) thrombolysis without the need for implantation of a coronary stent. After successful revascularisation, triple antithrombotic therapy was instituted with an oral anticoagulant in addition to dual antiplatelets. This case illustrates the association of COVID-19 with coronary artery thrombosis, which may require disparate management of a STEMI than that resulting from atherosclerotic coronary artery disease.


Subject(s)
COVID-19 , Coronary Thrombosis , Myocardial Infarction , ST Elevation Myocardial Infarction , Coronary Thrombosis/complications , Coronary Thrombosis/diagnostic imaging , Coronary Vessels , Humans , Male , Middle Aged , Myocardial Infarction/etiology , SARS-CoV-2 , ST Elevation Myocardial Infarction/etiology
20.
Sci Rep ; 11(1): 15667, 2021 08 02.
Article in English | MEDLINE | ID: covidwho-1338552

ABSTRACT

Coronavirus disease 2019 (COVID-19) is caused by severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) and is primarily characterised by a respiratory disease. However, SARS-CoV-2 can directly infect vascular endothelium and subsequently cause vascular inflammation, atherosclerotic plaque instability and thereby result in both endothelial dysfunction and myocardial inflammation/infarction. Interestingly, up to 50% of patients suffer from persistent exercise dyspnoea and a post-viral fatigue syndrome (PVFS) after having overcome an acute COVID-19 infection. In the present study, we assessed the presence of coronary microvascular disease (CMD) by cardiovascular magnetic resonance (CMR) in post-COVID-19 patients still suffering from exercise dyspnoea and PVFS. N = 22 patients who recently recovered from COVID-19, N = 16 patients with classic hypertrophic cardiomyopathy (HCM) and N = 17 healthy control patients without relevant cardiac disease underwent dedicated vasodilator-stress CMR studies on a 1.5-T MR scanner. The CMR protocol comprised cine and late-gadolinium-enhancement (LGE) imaging as well as velocity-encoded (VENC) phase-contrast imaging of the coronary sinus flow (CSF) at rest and during pharmacological stress (maximal vasodilation induced by 400 µg IV regadenoson). Using CSF measurements at rest and during stress, global myocardial perfusion reserve (MPR) was calculated. There was no difference in left ventricular ejection-fraction (LV-EF) between COVID-19 patients and controls (60% [57-63%] vs. 63% [60-66%], p = NS). There were only N = 4 COVID-19 patients (18%) showing a non-ischemic pattern of LGE. VENC-based flow measurements showed that CSF at rest was higher in COVID-19 patients compared to controls (1.78 ml/min [1.19-2.23 ml/min] vs. 1.14 ml/min [0.91-1.32 ml/min], p = 0.048). In contrast, CSF during stress was lower in COVID-19 patients compared to controls (3.33 ml/min [2.76-4.20 ml/min] vs. 5.32 ml/min [3.66-5.52 ml/min], p = 0.05). A significantly reduced MPR was calculated in COVID-19 patients compared to healthy controls (2.73 [2.10-4.15-11] vs. 4.82 [3.70-6.68], p = 0.005). No significant differences regarding MPR were detected between COVID-19 patients and HCM patients. In post-COVID-19 patients with persistent exertional dyspnoea and PVFS, a significantly reduced MPR suggestive of CMD-similar to HCM patients-was observed in the present study. A reduction in MPR can be caused by preceding SARS-CoV-2-associated direct as well as secondary triggered mechanisms leading to diffuse CMD, and may explain ongoing symptoms of exercise dyspnoea and PVFS in some patients after COVID-19 infection.


Subject(s)
COVID-19 , Cardiomyopathy, Hypertrophic , Coronary Circulation , Coronary Vessels , Magnetic Resonance Angiography , Microcirculation , Myocardial Infarction , Myocardial Perfusion Imaging , SARS-CoV-2 , Adult , Aged , COVID-19/complications , COVID-19/diagnostic imaging , COVID-19/physiopathology , Cardiomyopathy, Hypertrophic/diagnostic imaging , Cardiomyopathy, Hypertrophic/etiology , Coronary Vessels/diagnostic imaging , Coronary Vessels/physiology , Female , Humans , Male , Middle Aged , Myocardial Infarction/diagnostic imaging , Myocardial Infarction/etiology , Myocardial Infarction/physiopathology , Pilot Projects
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