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Hegde SM, Claggett BL, Udell JA, Kim K, Joseph J, Farkouh ME, Peikert A, Bhatt AS, Tattersall MC, Bhatt DL, Cooper LS, Solomon SD, Vardeny O. Temporal Association Among Influenza-Like Illness, Cardiovascular Events, and Vaccine Dose in Patients With High-Risk Cardiovascular Disease: Secondary Analysis of a Randomized Clinical Trial. JAMA Netw Open 2023; 6:e2331284. [PMID: 37707817 PMCID: PMC10502520 DOI: 10.1001/jamanetworkopen.2023.31284] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Accepted: 07/22/2023] [Indexed: 09/15/2023] Open
Abstract
Importance Influenza-like illness (ILI) activity has been associated with increased risk of cardiopulmonary (CP) events during the influenza season. High-dose trivalent influenza vaccine was not superior to standard-dose quadrivalent vaccine for reducing these events in patients with high-risk cardiovascular (CV) disease in the Influenza Vaccine to Effectively Stop Cardio Thoracic Events and Decompensated Heart Failure (INVESTED) trial. Objective To evaluate whether high-dose trivalent influenza vaccination is associated with benefit over standard-dose quadrivalent vaccination in reducing CP events during periods of high, local influenza activity. Design, Setting, and Participants This study was a prespecified secondary analysis of INVESTED, a multicenter, double-blind, active comparator randomized clinical trial conducted over 3 consecutive influenza seasons from September 2016 to July 2019. Follow-up was completed in July 2019, and data were analyzed from September 21, 2016, to July 31, 2019. Weekly Centers for Disease Control and Prevention (CDC)-reported, state-level ILI activity was ascertained to assess the weekly odds of the primary outcome. The study population included 3094 patients with high-risk CV disease from participating centers in the US. Intervention Participants were randomized to high-dose trivalent or standard-dose quadrivalent influenza vaccine and revaccinated for up to 3 seasons. Main Outcomes and Measures The primary outcome was the time to composite of all-cause death or CP hospitalization within each season. Additional measures included weekly CDC-reported ILI activity data by state. Results Among 3094 participants (mean [SD] age, 65 [12] years; 2309 male [75%]), we analyzed 129 285 person-weeks of enrollment, including 1396 composite primary outcome events (1278 CP hospitalization, 118 deaths). A 1% ILI increase in the prior week was associated with an increased risk in the primary outcome (odds ratio [OR], 1.14; 95% CI, 1.07-1.21; P < .001), CP hospitalization (OR, 1.13; 95% CI, 1.06-1.21; P < .001), and CV hospitalization (OR, 1.12; 95% CI, 1.04-1.19; P = .001), after adjusting for state, demographic characteristics, enrollment strata, and CV risk factors. Increased ILI activity was not associated with all-cause death (OR, 1.00; 95% CI, 0.88-1.13; P > .99). High-dose compared with standard-dose vaccine did not significantly reduce the primary outcome, even when the analysis was restricted to weeks of high ILI activity (OR, 0.88; 95% CI, 0.65-1.20; P = .43). Traditionally warmer months in the US were associated with lower CV risk independent of local ILI activity. Conclusions and Relevance In this secondary analysis of a randomized clinical trial, ILI activity was temporally associated with increased CP events in patients with high-risk CV disease, and a higher influenza vaccine dose did not significantly reduce temporal CV risk. Other seasonal factors may play a role in the coincident high rates of ILI and CV events. Trial Registration ClinicalTrials.gov Identifier: NCT02787044.
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Affiliation(s)
- Sheila M. Hegde
- Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts
| | - Brian L. Claggett
- Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts
| | - Jacob A. Udell
- Women’s College Hospital and Peter Munk Cardiac Centre, University Health Network, University of Toronto, Toronto, Ontario, Canada
| | - KyungMann Kim
- Department of Biostatistics and Medical Informatics, University of Wisconsin-Madison
| | - Jacob Joseph
- Brown University, The Warren Alpert Medical School, Providence, Rhode Island
| | - Michael E. Farkouh
- Women’s College Hospital and Peter Munk Cardiac Centre, University Health Network, University of Toronto, Toronto, Ontario, Canada
| | - Alexander Peikert
- Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts
| | - Ankeet S. Bhatt
- Kaiser Permanente Division of Research, Northern California, Oakland
| | | | - Deepak L. Bhatt
- Mount Sinai Heart, Icahn School of Medicine at Mount Sinai, Mount Sinai Health System, New York, New York
| | - Lawton S. Cooper
- National Heart, Lung, and Blood Institute (NHLBI), National Institutes of Health (NIH), Bethesda, Maryland
| | - Scott D. Solomon
- Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts
| | - Orly Vardeny
- Department of Medicine, University of Minnesota, Minneapolis
- VA Minneapolis Health Care System, US Department of Veterans Affairs, Minneapolis, Minnesota
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Hjelholt AJ, Bergh C, Bhatt DL, Fröbert O, Kjolby MF. Pleiotropic Effects of Influenza Vaccination. Vaccines (Basel) 2023; 11:1419. [PMID: 37766096 PMCID: PMC10536538 DOI: 10.3390/vaccines11091419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 08/20/2023] [Accepted: 08/23/2023] [Indexed: 09/29/2023] Open
Abstract
Influenza vaccines are designed to mimic natural influenza virus exposure and stimulate a long-lasting immune response to future infections. The evolving nature of the influenza virus makes vaccination an important and efficacious strategy to reduce healthcare-related complications of influenza. Several lines of evidence indicate that influenza vaccination may induce nonspecific effects, also referred to as heterologous or pleiotropic effects, that go beyond protection against infection. Different explanations are proposed, including the upregulation and downregulation of cytokines and epigenetic reprogramming in monocytes and natural killer cells, imprinting an immunological memory in the innate immune system, a phenomenon termed "trained immunity". Also, cross-reactivity between related stimuli and bystander activation, which entails activation of B and T lymphocytes without specific recognition of antigens, may play a role. In this review, we will discuss the possible nonspecific effects of influenza vaccination in cardiovascular disease, type 1 diabetes, cancer, and Alzheimer's disease, future research questions, and potential implications. A discussion of the potential effects on infections by other pathogens is beyond the scope of this review.
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Affiliation(s)
- Astrid Johannesson Hjelholt
- Steno Diabetes Center Aarhus, Aarhus University Hospital, Palle Juul-Jensens Boulevard 11, 8200 Aarhus N, Denmark; (O.F.); (M.F.K.)
- Department of Biomedicine, Aarhus University, Høegh-Guldbergs Gade 10, 8000 Aarhus, Denmark
- Department of Clinical Pharmacology, Aarhus University Hospital, Palle Juul-Jensens Boulevard 11, 8200 Aarhus N, Denmark
| | - Cecilia Bergh
- Clinical Epidemiology and Biostatistics, School of Medical Sciences, Örebro University, S-701 82 Örebro, Sweden;
| | - Deepak L. Bhatt
- Mount Sinai Heart, Icahn School of Medicine at Mount Sinai, One Gustave L. Levi Place, P.O. Box 1030, New York, NY 10029-6574, USA;
| | - Ole Fröbert
- Steno Diabetes Center Aarhus, Aarhus University Hospital, Palle Juul-Jensens Boulevard 11, 8200 Aarhus N, Denmark; (O.F.); (M.F.K.)
- Department of Clinical Pharmacology, Aarhus University Hospital, Palle Juul-Jensens Boulevard 11, 8200 Aarhus N, Denmark
- Department of Clinical Medicine, Faculty of Health, Aarhus University, Palle Juul-Jensens Boulevard 11, 8200 Aarhus N, Denmark
- Faculty of Health, Department of Cardiology, Örebro University, SE-701 82 Örebro, Sweden
| | - Mads Fuglsang Kjolby
- Steno Diabetes Center Aarhus, Aarhus University Hospital, Palle Juul-Jensens Boulevard 11, 8200 Aarhus N, Denmark; (O.F.); (M.F.K.)
- Department of Biomedicine, Aarhus University, Høegh-Guldbergs Gade 10, 8000 Aarhus, Denmark
- Department of Clinical Pharmacology, Aarhus University Hospital, Palle Juul-Jensens Boulevard 11, 8200 Aarhus N, Denmark
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Peikert A, Claggett BL, Kim K, Udell JA, Joseph J, Desai AS, Farkouh ME, Hegde SM, Hernandez AF, Bhatt DL, Gaziano JM, Talbot HK, Yancy C, Anand I, Mao L, Cooper LS, Solomon SD, Vardeny O. Association of post-vaccination adverse reactions after influenza vaccine with mortality and cardiopulmonary outcomes in patients with high-risk cardiovascular disease: the INVESTED trial. Eur J Heart Fail 2023; 25:299-310. [PMID: 36335639 DOI: 10.1002/ejhf.2716] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 10/05/2022] [Accepted: 10/07/2022] [Indexed: 11/09/2022] Open
Abstract
AIMS Influenza vaccination is associated with reduced cardiopulmonary morbidity and mortality among patients with heart failure or recent myocardial infarction. The immune response to vaccination frequently results in mild adverse reactions (AR), which leads to vaccine hesitancy. This post hoc analysis explored the association between vaccine-related AR and morbidity and mortality in patients with high-risk cardiovascular disease. METHODS AND RESULTS The INVESTED trial randomized 5260 patients with recent heart failure hospitalization or acute myocardial infarction to high-dose trivalent or standard-dose quadrivalent inactivated influenza vaccine. We examined the association between vaccine-related AR and adverse clinical outcomes across both treatment groups in propensity-adjusted models. Among 5210 participants with available information on post-vaccination symptoms, 1968 participants (37.8%) experienced a vaccine-related AR. Compared to those without AR, post-vaccination AR, most commonly injection site pain (60.3%), were associated with lower risk for the composite of all-cause death or cardiopulmonary hospitalization (hazard ratio [HR] 0.83, 95% confidence interval [CI] 0.75-0.92, p < 0.001), cardiopulmonary hospitalizations (HR 0.85 [95% CI 0.76-0.95], p = 0.003), all-cause death (HR 0.77 [95% CI 0.62-0.96], p = 0.02), cardiovascular hospitalizations (HR 0.88 [95% CI 0.78-0.99], p = 0.03) and non-cardiopulmonary hospitalizations (HR 0.80 [95% CI 0.69-0.92], p = 0.003). While mild (76.4%) and moderate (20.6%) AR were most common and together associated with lower risk for the primary outcome (HR 0.81 [95% CI 0.74-0.90], p < 0.001), severe AR (2.9%) were related to increased risk (HR 1.68 [95% CI 1.17-2.42], p = 0.005). CONCLUSION Mild to moderate post-vaccination reactions after influenza vaccine were associated with reduced risk of cardiopulmonary hospitalizations and all-cause mortality in patients with high-risk cardiovascular disease, while severe reactions may indicate increased risk. Mild to moderate AR to influenza vaccination may be a marker of immune response and should not deter future vaccinations.
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Affiliation(s)
- Alexander Peikert
- Cardiovascular Division, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Brian L Claggett
- Cardiovascular Division, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - KyungMann Kim
- Department of Biostatistics and Medical Informatics, University of Wisconsin-Madison, Madison, WI, USA
| | - Jacob A Udell
- Peter Munk Cardiac Centre, University Health Network and Women's College Hospital, University of Toronto, Toronto, ONT, Canada
| | - Jacob Joseph
- Cardiovascular Division, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
- Department of Medicine, Boston, MA, USA
| | - Akshay S Desai
- Cardiovascular Division, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Michael E Farkouh
- Peter Munk Cardiac Centre, University Health Network, University of Toronto, Toronto, ONT, Canada
| | - Sheila M Hegde
- Cardiovascular Division, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | | | - Deepak L Bhatt
- Cardiovascular Division, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - J Michael Gaziano
- Cardiovascular Division, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
- Department of Medicine, Boston, MA, USA
| | - H Keipp Talbot
- Department of Medicine, Vanderbilt University, Nashville, TN, USA
| | - Clyde Yancy
- Department of Medicine, Northwestern University, Chicago, IL, USA
| | - Inder Anand
- Department of Medicine, University of Minnesota, Minneapolis VA Health Care System, Minneapolis, MN, USA
| | - Lu Mao
- Department of Biostatistics and Medical Informatics, University of Wisconsin-Madison, Madison, WI, USA
| | - Lawton S Cooper
- National Heart, Lung, and Blood Institute, Bethesda, MD, USA
| | - Scott D Solomon
- Cardiovascular Division, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Orly Vardeny
- Department of Medicine, University of Minnesota, Minneapolis VA Health Care System, Minneapolis, MN, USA
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Mohammad KO, Lin A, Rodriguez JBC. Cardiac Manifestations of Post-Acute COVID-19 Infection. Curr Cardiol Rep 2022; 24:1775-1783. [PMID: 36322364 PMCID: PMC9628458 DOI: 10.1007/s11886-022-01793-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 10/03/2022] [Indexed: 12/14/2022]
Abstract
PURPOSE OF REVIEW There is emerging evidence that the post-acute and chronic phases of COVID-19 infection are associated with various significant cardiovascular sequelae. RECENT FINDINGS Long COVID has been shown to be associated with multiple cardiovascular sequelae including direct myocardial injury, arrhythmias, and cardiomyopathies. Hypotheses on the mechanism of myocardial injury include direct viral infiltration and autoimmune dysregulation. Long COVID is associated with persistent cardiac ischemia in patients with no previous history of coronary disease, atrial and ventricular arrhythmias, and the development of new-onset heart failure in previously healthy patients. Onset of long COVID may be related to severity of the initial SARS-CoV2 infection. Cardiac MRI is a valuable tool in assessing myocarditis and the development of cardiomyopathies in the setting of long COVID. Both patients with and without pre-existing cardiovascular disease are at risk of developing myocardial injury in the setting of long COVID. Future studies will elucidate both cardiovascular mortality and cardiac rehabilitation in the post-acute and chronic phases of COVID-19.
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Affiliation(s)
- Khan O. Mohammad
- Department of Internal Medicine, Dell Medical School at The University of Texas, 1500 Red River St., Austin, TX 78701 USA
| | - Andrew Lin
- Division of Cardiovascular Medicine, Department of Medicine, University of California San Diego, San Diego, CA USA
| | - Jose B. Cruz Rodriguez
- Division of Cardiovascular Medicine, Department of Medicine, University of California San Diego, San Diego, CA USA
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Loeb M, Roy A, Dokainish H, Dans A, Palileo-Villanueva LM, Karaye K, Zhu J, Liang Y, Goma F, Damasceno A, Alhabib KF, Yonga G, Mondo C, Almahmeed W, Al Mulla A, Thanabalan V, Rao-Melacini P, Grinvalds A, McCready T, Bangdiwala SI, Yusuf S. Influenza vaccine to reduce adverse vascular events in patients with heart failure: a multinational randomised, double-blind, placebo-controlled trial. Lancet Glob Health 2022; 10:e1835-e1844. [PMID: 36400089 DOI: 10.1016/s2214-109x(22)00432-6] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 09/22/2022] [Accepted: 09/29/2022] [Indexed: 11/18/2022]
Abstract
BACKGROUND Influenza increases the risk of cardiovascular events and deaths. We aimed to see whether influenza vaccination reduces death and vascular events in patients with heart failure. METHODS We did a pragmatic, randomised, double-blind, placebo-controlled trial in 30 centres (mostly hospitals affliated with universities or a research institute) in ten countries in Asia, the Middle East, and Africa (7 in India, 4 in Philippines, 4 in Nigeria, 6 in China, 1 in Zambia, 2 in Mozambique, 3 in Saudi Arabia, 1 in Kenya, 1 in Uganda, and 1 in Zambia). Participants (aged ≥18 years; 52·1% female; not disaggregated by race or ethnicity) with heart failure (New York Heart Association class II, III, or IV) were randomly assigned (1:1) by a centralised web-based system with block randomisation stratified by site, to receive 0·5 ml intramuscularly once a year for up to 3 years of either inactivated standard dose influenza vaccine or placebo (saline). We excluded people who had received influenza vaccine in 2 of the previous 3 years, and those likely to require valve repair or replacement. Those who administered assigned treatments were not masked and had no further role in the study. Investigators, study coordinators, outcome adjudicators, and participants were masked to group assignment. The first of two co-primary outcomes was a first-event composite for cardiovascular death, non-fatal myocardial infarction, and non-fatal stroke, and the second was a recurrent-events composite for cardiovascular death, non-fatal myocardial infarction, non-fatal stroke, and hospitalisation for heart failure. Outcomes were assessed every 6 months in the intention-to-treat population. Secondary outcomes were all-cause death, cardiovascular death, non-fatal myocardial infarction, non-fatal stroke, all-cause hospitalisation, hospitalisation for heart failure, and pneumonia, both overall and during periods of peak influenza exposure. This study is registered with ClinicalTrials.gov, NCT02762851. FINDINGS Between June 2, 2015, and Nov 21, 2021, we enrolled 5129 participants and randomly assigned (1:1) 2560 (50·0%) to influenza vaccine and 2569 (50·0%) to placebo. The first co-primary outcome occurred in 380 (14·8%) of 2560 participants in the vaccine group and 410 (16·0%) of 2569 participants in the placebo group (hazard ratio [HR] 0·93 [95% CI 0·81-1·07]; p=0·30). The second co-primary outcome occurred in 754 (29·5%) of 2560 participants in the vaccine group and 819 (31·9%) of 2569 participants in the placebo group; HR 0·92 [95% CI 0·84-1·02]; p=0·12). The secondary outcomes of all-cause hospitalisations (HR 0·84 [95% CI 0·74-0·97]; p=0·013) and pneumonia (HR 0·58 [0·42-0·80]; p=0·0006) were significantly reduced in the vaccine group compared with in the placebo group but there was no significant difference between groups for all-cause death, cardiovascular death, non-fatal myocardial infarction, non-fatal stroke, and hospitalisation for heart failure. In a prespecified analysis, in which events were limited to periods of peak influenza circulation, the first co-primary outcome, and the secondary outcomes of all-cause death, cardiovasular death, and pneumonia were significantly lower in the vaccinated group than in the placebo group, whereas the second co-primary outcome and the secondary outcomes of non-fatal myocardial infarction, non-fatal stroke, all-cause hospitalisation, and hospitalisation for heart failure were not significantly lower. INTERPRETATION Although the prespecified co-primary outcomes during the entire period of observation were not statistically significant, the reduction during the peak influenza circulating period suggests that there is likely to be a clinical benefit of giving influenza vaccine, given the clear reduction in pneumonia, a moderate reduction in hospitalisations, and a reduction in cardiovascular events and deaths during periods of peak circulation of influenza. Taken in conjunction with previous trials and the observational studies, the collective data suggest benefit. FUNDING UK Joint Global Health Trials Scheme and Canadian Institutes for Health Research Foundation.
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Affiliation(s)
- Mark Loeb
- Department of Pathology and Molecular Medicine, McMaster University, Hamilton, ON, Canada; Department of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, ON, Canada.
| | - Ambuj Roy
- All India Institute of Medical Sciences, Delhi, India
| | | | - Antonio Dans
- Department of Medicine, College of Medicine, University of the Philippines Manila, Manila, Philippines
| | - Lia M Palileo-Villanueva
- Department of Medicine, College of Medicine, University of the Philippines Manila, Manila, Philippines
| | - Kamilu Karaye
- Department of Medicine, Bayero University and Aminu Kano Teaching Hospital, Kano, Nigeria
| | - Jun Zhu
- Department of Cardiovascular Medicine, Cardiovascular Institute and Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yan Liang
- Department of Cardiovascular Medicine, Cardiovascular Institute and Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Fastone Goma
- Department of Physiological Sciences, School of Medicine, University of Zambia, Lusaka, Zambia
| | - Albertino Damasceno
- Department of Medicine, Faculty of Medicine, Eduardo Mondlane University, Maputo, Mozambique
| | - Khalid F Alhabib
- Department of Cardiac Sciences, King Fahad Cardiac Center, College of Medicine, King Saud University, Riyadh, Saudi Arabia
| | - Gerald Yonga
- Department of Clinical Medicine and Therapeutics, University of Nairobi, Nairobi, Kenya
| | | | - Wael Almahmeed
- Department of Cardiovascular Medicine, Heart and Vascular Institute, Cleveland Clinic Abu Dhabi, Abu Dhabi, United Arab Emirates
| | - Arif Al Mulla
- Division of Cardiology, Cardiac Sciences Institute, Sheikh Khalifa Medical City, Abu Dhabi, United Arab Emirates
| | - Vitheya Thanabalan
- Department of Pathology and Molecular Medicine, McMaster University, Hamilton, ON, Canada
| | | | - Alex Grinvalds
- Population Health Research Institute, Hamilton, ON, Canada
| | - Tara McCready
- Population Health Research Institute, Hamilton, ON, Canada
| | - Shrikant I Bangdiwala
- Department of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, ON, Canada; Population Health Research Institute, Hamilton, ON, Canada
| | - Salim Yusuf
- Department of Medicine, McMaster University, Hamilton, ON, Canada; Population Health Research Institute, Hamilton, ON, Canada
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Nordenskjöld AM, Johansson N, Sunnefeldt E, Athlin S, Fröbert O. Prevalence and prognostic implications of myocardial injury in patients with influenza. EUROPEAN HEART JOURNAL OPEN 2022; 2:oeac051. [PMID: 36105869 PMCID: PMC9464904 DOI: 10.1093/ehjopen/oeac051] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Revised: 06/01/2022] [Accepted: 06/14/2022] [Indexed: 11/12/2022]
Abstract
Aims Influenza may cause myocardial injury and trigger acute cardiovascular events. The aim of this study was to investigate the prevalence and prognostic implications of elevated high-sensitivity cardiac troponin I (hs-cTnI) in patients with influenza. Methods and results In this prospective cohort study, we consecutively enrolled patients with influenza-like illness from two emergency departments in Sweden during three seasons of influenza, 2017–20. Ongoing Influenza infection was diagnosed by polymerase chain reaction and blood samples were collected for later analysis of hs-cTnI. All patients were followed-up for a composite endpoint of major adverse cardiovascular events (MACE) including death, myocardial infarction, unstable angina, heart failure, atrial fibrillation, and stroke within 1 year. Of the 466 patients with influenza-like symptoms, 181 (39%) were positive for influenza. Fifty (28%) patients were hospitalized. High-sensitivity cTnI was elevated in 11 (6%) patients and 8 (4%) experienced MACE. In univariate analyses, MACE was associated with age [hazard ratio (HR): 1.14, 95% confidence interval (CI): 1.05–1.23], hypertension (HR 5.56, 95%CI: 1.12–27.53), estimated glomerular filtration rate (HR: 0.94, 95%CI: 0.91–0.97), and elevated hs-cTnI (HR: 18.29, 95%CI: 4.57–73.24), N-terminal prohormone of brain natriuretic peptide (HR: 14.21, 95%CI: 1.75–115.5), hs-CRP (HR: 1.01, 95%CI: 1.00–1.02), and white blood cell count (HR: 1.12, 95%CI: 1.01–1.25). In multivariate analysis, elevated hs-cTnI was independently associated with MACE (HR: 4.96, 95%CI: 1.10–22.41). Conclusion The prevalence of elevated hs-cTnI is low in unselected patients with influenza. Elevated hs-cTnI was associated with poor prognosis. A limitation is that the estimated associations are uncertain due to few events.
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Affiliation(s)
- Anna M Nordenskjöld
- Department of Cardiology, Faculty of Medicine and Health, Örebro University , 70281 Örebro , Sweden
| | - Niklas Johansson
- Department of Infectious Diseases, Faculty of Medicine and Health, Örebro University , 70281 Örebro , Sweden
| | - Erik Sunnefeldt
- Department of Cardiology, Faculty of Medicine and Health, Örebro University , 70281 Örebro , Sweden
| | - Simon Athlin
- Department of Infectious Diseases, Faculty of Medicine and Health, Örebro University , 70281 Örebro , Sweden
| | - Ole Fröbert
- Department of Cardiology, Faculty of Medicine and Health, Örebro University , 70281 Örebro , Sweden
- Steno Diabetes Center Aarhus, Aarhus University Hospital , 8200 Aarhus N , Denmark
- Department of Clinical Medicine, Faculty of Health, Aarhus University , 8000 Aarhus , Denmark
- Department of Clinical Pharmacology, Aarhus University Hospital , 8200 Aarhus N , Denmark
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Behrouzi B, Bhatt DL, Cannon CP, Vardeny O, Lee DS, Solomon SD, Udell JA. Association of Influenza Vaccination With Cardiovascular Risk: A Meta-analysis. JAMA Netw Open 2022; 5:e228873. [PMID: 35486404 PMCID: PMC9055450 DOI: 10.1001/jamanetworkopen.2022.8873] [Citation(s) in RCA: 58] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Accepted: 03/07/2022] [Indexed: 12/23/2022] Open
Abstract
Importance Influenza infection is associated with increased cardiovascular hospitalization and mortality. Our prior systematic review and meta-analysis hypothesized that influenza vaccination was associated with a lower risk of cardiovascular events. Objective To evaluate, via an updated meta-analysis, if seasonal influenza vaccination is associated with a lower risk of fatal and nonfatal cardiovascular events and assess whether the newest cardiovascular outcome trial results are consistent with prior findings. Data Sources A previously published meta-analysis of randomized controlled trials (RCTs) and a large 2021 cardiovascular outcome trial. Study Selection Studies with RCTs published between 2000 and 2021 that randomized participants to either influenza vaccine or placebo/control. Eligible participants were inpatients and outpatients recruited for international multicenter RCTs and randomized to receive either influenza vaccine or placebo/control. Data Extraction and Synthesis PRISMA guidelines were followed in the extraction of study details, and risk of bias was assessed using the Cochrane Collaboration tool. Trial quality was evaluated using Cochrane criteria. Data were analyzed January 2020 and December 2021. Main Outcomes and Measures Random-effects Mantel-Haenszel risk ratios (RRs) and 95% CIs were derived for a composite of major adverse cardiovascular events and cardiovascular mortality within 12 months of follow-up. Where available, analyses were stratified by patients with and without recent acute coronary syndrome (ACS) within 1 year of randomization. Results Six published RCTs comprising a total of 9001 patients were included (mean age, 65.5 years; 42.5% women; 52.3% with a cardiac history). Overall, influenza vaccine was associated with a lower risk of composite cardiovascular events (3.6% vs 5.4%; RR, 0.66; 95% CI, 0.53-0.83; P < .001). A treatment interaction was detected between patients with recent ACS (RR, 0.55; 95% CI, 0.41-0.75) and without recent ACS (RR, 1.00; 95% CI, 0.68-1.47) (P for interaction = .02). For cardiovascular mortality, a treatment interaction was also detected between patients with recent ACS (RR, 0.44; 95% CI, 0.23-0.85) and without recent ACS (RR, 1.45; 95% CI, 0.84-2.50) (P for interaction = .006), while 1.7% of vaccine recipients died of cardiovascular causes compared with 2.5% of placebo or control recipients (RR, 0.74; 95% CI, 0.42-1.30; P = .29). Conclusions and Relevance In this study, receipt of influenza vaccination was associated with a 34% lower risk of major adverse cardiovascular events, and individuals with recent ACS had a 45% lower risk. Given influenza poses a threat to population health during the COVID-19 pandemic, it is integral to counsel high-risk patients on the cardiovascular benefits of influenza vaccination.
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Affiliation(s)
- Bahar Behrouzi
- Institute of Health Policy, Management, and Evaluation and Temerty Faculty of Medicine, University of Toronto, Toronto, Canada
- ICES, Toronto, Canada
- Cardiovascular Division, Department of Medicine, Women’s College Hospital, Toronto, Canada
| | - Deepak L. Bhatt
- Cardiovascular Division, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts
| | - Christopher P. Cannon
- Cardiovascular Division, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts
| | - Orly Vardeny
- Department of Medicine, University of Minnesota, Minneapolis VA Health Care System, Minneapolis, Minnesota
| | - Douglas S. Lee
- Institute of Health Policy, Management, and Evaluation and Temerty Faculty of Medicine, University of Toronto, Toronto, Canada
- ICES, Toronto, Canada
- Peter Munk Cardiac Centre, University Health Network, Toronto, Canada
| | - Scott D. Solomon
- Cardiovascular Division, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts
| | - Jacob A. Udell
- Institute of Health Policy, Management, and Evaluation and Temerty Faculty of Medicine, University of Toronto, Toronto, Canada
- ICES, Toronto, Canada
- Cardiovascular Division, Department of Medicine, Women’s College Hospital, Toronto, Canada
- Peter Munk Cardiac Centre, University Health Network, Toronto, Canada
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Dmitrieva OA, Mironova OI, Fomin VV. Influenza vaccination and prognosis for patients with high cardiovascular risk. TERAPEVT ARKH 2021; 93:1100-1105. [DOI: 10.26442/00403660.2021.09.201023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2021] [Accepted: 10/10/2021] [Indexed: 11/22/2022]
Abstract
Cardiovascular and respiratory diseases have been one of the leading causes of mortality in the world for over 15 years. According to the results of various studies, a clear connection was revealed between the incidence of influenza and the decompensation of cardiovascular diseases, which leads to the development of acute coronary syndrome, acute heart failure and myocardial infarction. Also, the incidence of influenza is associated with an increase in the length of hospitalization, treatment costs and patient mortality. Influenza vaccination, especially in patients with high cardiovascular risk, is one of the most important secondary prevention measures. The article is dedicated to an overview of the problems of vaccination against influenza, the study of the prognosis of patients with high cardiovascular risk, as well as general points in the pathogenesis of influenza and cardiovascular diseases.
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Tenforde MW, Talbot HK, Trabue CH, Gaglani M, McNeal TM, Monto AS, Martin ET, Zimmerman RK, Silveira FP, Middleton DB, Olson SM, Garten Kondor RJ, Barnes JR, Ferdinands JM, Patel MM. Influenza Vaccine Effectiveness Against Hospitalization in the United States, 2019-2020. J Infect Dis 2021; 224:813-820. [PMID: 33378531 PMCID: PMC8408767 DOI: 10.1093/infdis/jiaa800] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Accepted: 12/23/2020] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND Influenza causes significant morbidity and mortality and stresses hospital resources during periods of increased circulation. We evaluated the effectiveness of the 2019-2020 influenza vaccine against influenza-associated hospitalization in the United States. METHODS We included adults hospitalized with acute respiratory illness at 14 hospitals and tested for influenza viruses by reserve-transcription polymerase chain reaction. Vaccine effectiveness (VE) was estimated by comparing the odds of current-season influenza vaccination in test-positive influenza cases vs test-negative controls, adjusting for confounders. VE was stratified by age and major circulating influenza types along with A(H1N1)pdm09 genetic subgroups. RESULTS A total of 3116 participants were included, including 18% (n = 553) influenza-positive cases. Median age was 63 years. Sixty-seven percent (n = 2079) received vaccination. Overall adjusted VE against influenza viruses was 41% (95% confidence interval [CI], 27%-52%). VE against A(H1N1)pdm09 viruses was 40% (95% CI, 24%-53%) and 33% against B viruses (95% CI, 0-56%). Of the 2 major A(H1N1)pdm09 subgroups (representing 90% of sequenced H1N1 viruses), VE against one group (5A + 187A,189E) was 59% (95% CI, 34%-75%) whereas no VE was observed against the other group (5A + 156K) (-1% [95% CI, -61% to 37%]). CONCLUSIONS In a primarily older population, influenza vaccination was associated with a 41% reduction in risk of hospitalized influenza illness.
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Affiliation(s)
- Mark W Tenforde
- Influenza Division, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - H Keipp Talbot
- Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Christopher H Trabue
- University of Tennessee Health Science Center, Saint Thomas Health, Nashville, Tennessee, USA
| | - Manjusha Gaglani
- Baylor Scott and White Health, Texas A&M University College of Medicine, Temple, Texas, USA
| | - Tresa M McNeal
- Baylor Scott and White Health, Texas A&M University College of Medicine, Temple, Texas, USA
| | - Arnold S Monto
- University of Michigan School of Public Health, Ann Arbor, Michigan, USA
| | - Emily T Martin
- University of Michigan School of Public Health, Ann Arbor, Michigan, USA
| | - Richard K Zimmerman
- University of Pittsburgh School of Medicine and University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | - Fernanda P Silveira
- University of Pittsburgh School of Medicine and University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | - Donald B Middleton
- University of Pittsburgh School of Medicine and University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | - Samantha M Olson
- Influenza Division, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Rebecca J Garten Kondor
- Influenza Division, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - John R Barnes
- Influenza Division, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Jill M Ferdinands
- Influenza Division, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Manish M Patel
- Influenza Division, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
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Incidence, Predictors, and Outcomes of Thrombotic Events in Hospitalized Patients With Viral Pneumonia. Am J Cardiol 2021; 143:164-165. [PMID: 33453170 PMCID: PMC7807171 DOI: 10.1016/j.amjcard.2021.01.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 12/30/2020] [Accepted: 01/11/2021] [Indexed: 11/22/2022]
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Vardeny O, Kim K, Udell JA, Joseph J, Desai AS, Farkouh ME, Hegde SM, Hernandez AF, McGeer A, Talbot HK, Anand I, Bhatt DL, Cannon CP, DeMets D, Gaziano JM, Goodman SG, Nichol K, Tattersall MC, Temte JL, Wittes J, Yancy C, Claggett B, Chen Y, Mao L, Havighurst TC, Cooper LS, Solomon SD. Effect of High-Dose Trivalent vs Standard-Dose Quadrivalent Influenza Vaccine on Mortality or Cardiopulmonary Hospitalization in Patients With High-risk Cardiovascular Disease: A Randomized Clinical Trial. JAMA 2021; 325:39-49. [PMID: 33275134 PMCID: PMC7718608 DOI: 10.1001/jama.2020.23649] [Citation(s) in RCA: 64] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
IMPORTANCE Influenza is temporally associated with cardiopulmonary morbidity and mortality among those with cardiovascular disease who may mount a less vigorous immune response to vaccination. Higher influenza vaccine dose has been associated with reduced risk of influenza illness. OBJECTIVE To evaluate whether high-dose trivalent influenza vaccine compared with standard-dose quadrivalent influenza vaccine would reduce all-cause death or cardiopulmonary hospitalization in high-risk patients with cardiovascular disease. DESIGN, SETTING, AND PARTICIPANTS Pragmatic multicenter, double-blind, active comparator randomized clinical trial conducted in 5260 participants vaccinated for up to 3 influenza seasons in 157 sites in the US and Canada between September 21, 2016, and January 31, 2019. Patients with a recent acute myocardial infarction or heart failure hospitalization and at least 1 additional risk factor were eligible. INTERVENTIONS Participants were randomly assigned to receive high-dose trivalent (n = 2630) or standard-dose quadrivalent (n = 2630) inactivated influenza vaccine and could be revaccinated for up to 3 seasons. MAIN OUTCOMES AND MEASURES The primary outcome was the time to the composite of all-cause death or cardiopulmonary hospitalization during each enrolling season. The final date of follow-up was July 31, 2019. Vaccine-related adverse events were also assessed. RESULTS Among 5260 randomized participants (mean [SD] age, 65.5 [12.6] years; 3787 [72%] men; 3289 [63%] with heart failure) over 3 influenza seasons, there were 7154 total vaccinations administered and 5226 (99.4%) participants completed the trial. In the high-dose trivalent vaccine group, there were 975 primary outcome events (883 hospitalizations for cardiovascular or pulmonary causes and 92 deaths from any cause) among 884 participants during 3577 participant-seasons (event rate, 45 per 100 patient-years), whereas in the standard-dose quadrivalent vaccine group, there were 924 primary outcome events (846 hospitalizations for cardiovascular or pulmonary causes and 78 deaths from any cause) among 837 participants during 3577 participant-seasons (event rate, 42 per 100 patient-years) (hazard ratio, 1.06 [95% CI, 0.97-1.17]; P = .21). In the high-dose vs standard-dose groups, vaccine-related adverse reactions occurred in 1449 (40.5%) vs 1229 (34.4%) participants and severe adverse reactions occurred in 55 (2.1%) vs 44 (1.7%) participants. CONCLUSIONS AND RELEVANCE In patients with high-risk cardiovascular disease, high-dose trivalent inactivated influenza vaccine, compared with standard-dose quadrivalent inactivated influenza vaccine, did not significantly reduce all-cause mortality or cardiopulmonary hospitalizations. Influenza vaccination remains strongly recommended in this population. TRIAL REGISTRATION ClinicalTrials.gov Identifier: NCT02787044.
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Affiliation(s)
- Orly Vardeny
- Department of Medicine, University of Minnesota, Minneapolis VA Health Care System, Minneapolis, Minnesota
| | - KyungMann Kim
- Department of Biostatistics and Medical Informatics, University of Wisconsin-Madison, Madison
| | - Jacob A. Udell
- Peter Munk Cardiac Centre, University Health Network, Women’s College Hospital, University of Toronto, Toronto, Canada
| | - Jacob Joseph
- Department of Medicine, Boston VA, Boston, Massachusetts
- Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts
| | - Akshay S. Desai
- Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts
| | - Michael E. Farkouh
- Peter Munk Cardiac Centre, University Health Network, University of Toronto, Toronto, Canada
| | - Sheila M. Hegde
- Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts
| | | | - Allison McGeer
- Sinai Health System, University of Toronto, Toronto, Canada
| | - H. Keipp Talbot
- Department of Medicine, Vanderbilt University, Nashville, Tennessee
| | - Inder Anand
- Department of Medicine, University of Minnesota, Minneapolis VA Health Care System, Minneapolis, Minnesota
| | - Deepak L. Bhatt
- Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts
| | - Christopher P. Cannon
- Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts
| | - David DeMets
- Department of Biostatistics and Medical Informatics, University of Wisconsin-Madison, Madison
| | - J. Michael Gaziano
- Department of Medicine, Boston VA, Boston, Massachusetts
- Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts
| | | | - Kristin Nichol
- Department of Medicine, University of Minnesota, Minneapolis VA Health Care System, Minneapolis, Minnesota
| | | | - Jonathan L. Temte
- Department of Family Medicine, University of Wisconsin-Madison, Madison
| | | | - Clyde Yancy
- Department of Medicine, Northwestern University, Chicago, Illinois
| | - Brian Claggett
- Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts
| | - Yi Chen
- Department of Biostatistics and Medical Informatics, University of Wisconsin-Madison, Madison
| | - Lu Mao
- Department of Biostatistics and Medical Informatics, University of Wisconsin-Madison, Madison
| | - Thomas C. Havighurst
- Department of Biostatistics and Medical Informatics, University of Wisconsin-Madison, Madison
| | | | - Scott D. Solomon
- Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts
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