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Duricka D, Liu L. Reduction of long COVID symptoms after stellate ganglion block: A retrospective chart review study. Auton Neurosci 2024; 254:103195. [PMID: 38901177 DOI: 10.1016/j.autneu.2024.103195] [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: 02/12/2024] [Revised: 05/24/2024] [Accepted: 06/07/2024] [Indexed: 06/22/2024]
Abstract
The SARS-CoV-2 pandemic has left millions of individuals with a host of post-viral symptoms that can be debilitating and persist indefinitely. To date there are no definitive tests or treatments for the collection of symptoms known as "Long COVID" or Post-acute sequelae of COVID-19 (PASC). Following our initial case report detailing improvement of Long COVID symptoms after sequential bilateral stellate ganglion blockade (SGB), we performed a retrospective chart analysis study on individuals treated with the same protocol over the course of six months (2021-2022) in our clinic. Patients self-reported symptoms on a 10-point scale as part of optional patient follow-up using an online survey. After one month or more following treatment, patients reported striking reductions in Fatigue, Worsening of Symptoms following Mental and Physical Activity, Memory Problems, Problems Concentrating, Sleep Problems, Anxiety, and Depression. Loss of Taste and Loss of Smell in some individuals did not respond to treatment, likely indicating structural damage following infection. This study suggests that neuromodulation may provide relief of Long COVID symptoms for at least a subset of individuals, and provides support for prospective studies of this potential treatment.
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Affiliation(s)
- Deborah Duricka
- WWAMI School of Medical Education, University of Alaska Anchorage, USA; Neuroversion, Inc., Anchorage, AK, USA.
| | - Luke Liu
- Neuroversion, Inc., Anchorage, AK, USA
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2
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Fedorowski A, Fanciulli A, Raj SR, Sheldon R, Shibao CA, Sutton R. Cardiovascular autonomic dysfunction in post-COVID-19 syndrome: a major health-care burden. Nat Rev Cardiol 2024; 21:379-395. [PMID: 38163814 DOI: 10.1038/s41569-023-00962-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 11/13/2023] [Indexed: 01/03/2024]
Abstract
Cardiovascular autonomic dysfunction (CVAD) is a malfunction of the cardiovascular system caused by deranged autonomic control of circulatory homeostasis. CVAD is an important component of post-COVID-19 syndrome, also termed long COVID, and might affect one-third of highly symptomatic patients with COVID-19. The effects of CVAD can be seen at both the whole-body level, with impairment of heart rate and blood pressure control, and in specific body regions, typically manifesting as microvascular dysfunction. Many severely affected patients with long COVID meet the diagnostic criteria for two common presentations of CVAD: postural orthostatic tachycardia syndrome and inappropriate sinus tachycardia. CVAD can also manifest as disorders associated with hypotension, such as orthostatic or postprandial hypotension, and recurrent reflex syncope. Advances in research, accelerated by the COVID-19 pandemic, have identified new potential pathophysiological mechanisms, diagnostic methods and therapeutic targets in CVAD. For clinicians who daily see patients with CVAD, knowledge of its symptomatology, detection and appropriate management is more important than ever. In this Review, we define CVAD and its major forms that are encountered in post-COVID-19 syndrome, describe possible CVAD aetiologies, and discuss how CVAD, as a component of post-COVID-19 syndrome, can be diagnosed and managed. Moreover, we outline directions for future research to discover more efficient ways to cope with this prevalent and long-lasting condition.
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Affiliation(s)
- Artur Fedorowski
- Department of Cardiology, Karolinska University Hospital, Stockholm, Sweden.
- Department of Medicine, Karolinska Institute, Stockholm, Sweden.
- Department of Clinical Sciences, Lund University, Malmö, Sweden.
| | | | - Satish R Raj
- Department of Cardiac Sciences, Libin Cardiovascular Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
- Autonomic Dysfunction Center, Division of Clinical Pharmacology, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Robert Sheldon
- Department of Cardiac Sciences, Libin Cardiovascular Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Cyndya A Shibao
- Autonomic Dysfunction Center, Division of Clinical Pharmacology, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Richard Sutton
- Department of Clinical Sciences, Lund University, Malmö, Sweden
- Department of Cardiology, Hammersmith Hospital, National Heart & Lung Institute, Imperial College, London, UK
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3
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Gómez-Moyano E, Pavón-Morón J, Rodríguez-Capitán J, Bardán-Rebollar D, Ramos-Carrera T, Villalobos-Sánchez A, Pérez de Pedro I, Ruiz-García FJ, Mora-Robles J, López-Sampalo A, Pérez-Velasco MA, Bernal-López MR, Gómez-Huelgas R, Jiménez-Navarro M, Romero-Cuevas M, Costa F, Trenas A, Pérez-Belmonte LM. The Role of Heparin in Postural Orthostatic Tachycardia Syndrome and Other Post-Acute Sequelae of COVID-19. J Clin Med 2024; 13:2405. [PMID: 38673677 PMCID: PMC11050777 DOI: 10.3390/jcm13082405] [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: 02/20/2024] [Revised: 04/11/2024] [Accepted: 04/17/2024] [Indexed: 04/28/2024] Open
Abstract
The therapeutic management and short-term consequences of the coronavirus disease 2019 (COVID-19) are well known. However, COVID-19 post-acute sequelae are less known and represent a public health problem worldwide. Patients with COVID-19 who present post-acute sequelae may display immune dysregulation, a procoagulant state, and persistent microvascular endotheliopathy that could trigger microvascular thrombosis. These elements have also been implicated in the physiopathology of postural orthostatic tachycardia syndrome, a frequent sequela in post-COVID-19 patients. These mechanisms, directly associated with post-acute sequelae, might determine the thrombotic consequences of COVID-19 and the need for early anticoagulation therapy. In this context, heparin has several potential benefits, including immunomodulatory, anticoagulant, antiviral, pro-endothelial, and vascular effects, that could be helpful in the treatment of COVID-19 post-acute sequelae. In this article, we review the evidence surrounding the post-acute sequelae of COVID-19 and the potential benefits of the use of heparin, with a special focus on the treatment of postural orthostatic tachycardia syndrome.
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Affiliation(s)
- Elisabeth Gómez-Moyano
- Servicio de Dermatología, Hospital Regional Universitario de Málaga, 29010 Málaga, Spain;
| | - Javier Pavón-Morón
- Servicio de Cardiología, Hospital Universitario Virgen de la Victoria, 29010 Málaga, Spain; (J.P.-M.); (M.J.-N.); (M.R.-C.)
- Centro de Investigación en Red de Enfermedades Cardiovasculares (CIBERCV), IBIMA-Plataforma BIONAND, Universidad de Málaga (UMA), 29010 Málaga, Spain;
| | - Jorge Rodríguez-Capitán
- Servicio de Cardiología, Hospital Universitario Virgen de la Victoria, 29010 Málaga, Spain; (J.P.-M.); (M.J.-N.); (M.R.-C.)
- Centro de Investigación en Red de Enfermedades Cardiovasculares (CIBERCV), IBIMA-Plataforma BIONAND, Universidad de Málaga (UMA), 29010 Málaga, Spain;
| | | | | | - Aurora Villalobos-Sánchez
- Servicio de Medicina Interna, Hospital Regional Universitario de Málaga, 29010 Málaga, Spain (I.P.d.P.); (A.L.-S.); (M.-R.B.-L.); (R.G.-H.)
| | - Iván Pérez de Pedro
- Servicio de Medicina Interna, Hospital Regional Universitario de Málaga, 29010 Málaga, Spain (I.P.d.P.); (A.L.-S.); (M.-R.B.-L.); (R.G.-H.)
| | | | - Javier Mora-Robles
- Servicio de Cardiología, Hospital Regional Universitario de Málaga, 29010 Málaga, Spain
| | - Almudena López-Sampalo
- Servicio de Medicina Interna, Hospital Regional Universitario de Málaga, 29010 Málaga, Spain (I.P.d.P.); (A.L.-S.); (M.-R.B.-L.); (R.G.-H.)
| | - Miguel A. Pérez-Velasco
- Servicio de Medicina Interna, Hospital Regional Universitario de Málaga, 29010 Málaga, Spain (I.P.d.P.); (A.L.-S.); (M.-R.B.-L.); (R.G.-H.)
| | - Maria-Rosa Bernal-López
- Servicio de Medicina Interna, Hospital Regional Universitario de Málaga, 29010 Málaga, Spain (I.P.d.P.); (A.L.-S.); (M.-R.B.-L.); (R.G.-H.)
- Centro de Investigación en Red Fisiopatología de la Obesidad y la Nutrtición (CIBERObn), IBIMA-Plataforma BIONAND, Universidad de Málaga (UMA), 29010 Málaga, Spain
| | - Ricardo Gómez-Huelgas
- Servicio de Medicina Interna, Hospital Regional Universitario de Málaga, 29010 Málaga, Spain (I.P.d.P.); (A.L.-S.); (M.-R.B.-L.); (R.G.-H.)
- Centro de Investigación en Red Fisiopatología de la Obesidad y la Nutrtición (CIBERObn), IBIMA-Plataforma BIONAND, Universidad de Málaga (UMA), 29010 Málaga, Spain
| | - Manuel Jiménez-Navarro
- Servicio de Cardiología, Hospital Universitario Virgen de la Victoria, 29010 Málaga, Spain; (J.P.-M.); (M.J.-N.); (M.R.-C.)
- Centro de Investigación en Red de Enfermedades Cardiovasculares (CIBERCV), IBIMA-Plataforma BIONAND, Universidad de Málaga (UMA), 29010 Málaga, Spain;
| | - Miguel Romero-Cuevas
- Servicio de Cardiología, Hospital Universitario Virgen de la Victoria, 29010 Málaga, Spain; (J.P.-M.); (M.J.-N.); (M.R.-C.)
- Centro de Investigación en Red de Enfermedades Cardiovasculares (CIBERCV), IBIMA-Plataforma BIONAND, Universidad de Málaga (UMA), 29010 Málaga, Spain;
| | - Francesco Costa
- Department of Biomedical and Dental Sciences and Morphological and Functional Imaging, University of Messina, A.O.U. Policlinic ‘G. Martino’, Via C. Valeria 1, 98165 Messina, Italy;
| | - Alicia Trenas
- Servicio de Medicina Interna, Área Sanitaria Norte de Málaga, Hospital de Antequera, 29200 Antequera, Spain;
| | - Luis M. Pérez-Belmonte
- Centro de Investigación en Red de Enfermedades Cardiovasculares (CIBERCV), IBIMA-Plataforma BIONAND, Universidad de Málaga (UMA), 29010 Málaga, Spain;
- Servicio de Medicina Interna, Hospital Regional Universitario de Málaga, 29010 Málaga, Spain (I.P.d.P.); (A.L.-S.); (M.-R.B.-L.); (R.G.-H.)
- Servicio de Medicina Interna, Hospital Helicópteros Sanitarios, 29660 Marbella, Spain
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Rao S, Gross RS, Mohandas S, Stein CR, Case A, Dreyer B, Pajor NM, Bunnell HT, Warburton D, Berg E, Overdevest JB, Gorelik M, Milner J, Saxena S, Jhaveri R, Wood JC, Rhee KE, Letts R, Maughan C, Guthe N, Castro-Baucom L, Stockwell MS. Postacute Sequelae of SARS-CoV-2 in Children. Pediatrics 2024; 153:e2023062570. [PMID: 38321938 PMCID: PMC10904902 DOI: 10.1542/peds.2023-062570] [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] [Accepted: 11/01/2023] [Indexed: 02/08/2024] Open
Abstract
The coronavirus disease 2019 (COVID-19) pandemic has caused significant medical, social, and economic impacts globally, both in the short and long term. Although most individuals recover within a few days or weeks from an acute infection, some experience longer lasting effects. Data regarding the postacute sequelae of severe acute respiratory syndrome coronavirus 2 infection (PASC) in children, or long COVID, are only just emerging in the literature. These symptoms and conditions may reflect persistent symptoms from acute infection (eg, cough, headaches, fatigue, and loss of taste and smell), new symptoms like dizziness, or exacerbation of underlying conditions. Children may develop conditions de novo, including postural orthostatic tachycardia syndrome, myalgic encephalomyelitis/chronic fatigue syndrome, autoimmune conditions and multisystem inflammatory syndrome in children. This state-of-the-art narrative review provides a summary of our current knowledge about PASC in children, including prevalence, epidemiology, risk factors, clinical characteristics, underlying mechanisms, and functional outcomes, as well as a conceptual framework for PASC based on the current National Institutes of Health definition. We highlight the pediatric components of the National Institutes of Health-funded Researching COVID to Enhance Recovery Initiative, which seeks to characterize the natural history, mechanisms, and long-term health effects of PASC in children and young adults to inform future treatment and prevention efforts. These initiatives include electronic health record cohorts, which offer rapid assessments at scale with geographical and demographic diversity, as well as longitudinal prospective observational cohorts, to estimate disease burden, illness trajectory, pathobiology, and clinical manifestations and outcomes.
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Affiliation(s)
- Suchitra Rao
- Department of Pediatrics, University of Colorado School of Medicine and Children’s Hospital Colorado, Aurora, Colorado
| | - Rachel S. Gross
- Departments of Pediatrics
- Population Health, NYU Grossman School of Medicine, New York, New York
| | - Sindhu Mohandas
- Division of Infectious Diseases
- Department of Pediatrics and Radiology, Children’s Hospital Los Angeles, Keck School of Medicine, University of Southern California, Los Angeles, California
| | - Cheryl R. Stein
- Child and Adolescent Psychiatry, New York University Grossman School of Medicine, New York, New York
| | - Abigail Case
- Department of Pediatrics and Rehabilitation Medicine, Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania
| | - Benard Dreyer
- Department of Pediatrics and Radiology, Children’s Hospital Los Angeles, Keck School of Medicine, University of Southern California, Los Angeles, California
| | - Nathan M. Pajor
- Division of Pulmonary Medicine, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, Ohio
| | - H. Timothy Bunnell
- Biomedical Research Informatics Center, Nemours Children’s Health, Nemours Children’s Hospital, Delaware, Wilmington, Delaware
| | - David Warburton
- Department of Pediatrics and Radiology, Children’s Hospital Los Angeles, Keck School of Medicine, University of Southern California, Los Angeles, California
| | - Elizabeth Berg
- Department of Pediatrics, Columbia University Vagelos College of Physicians and Surgeons, New York, New York
| | - Jonathan B. Overdevest
- Department of Pediatrics, Columbia University Vagelos College of Physicians and Surgeons, New York, New York
| | - Mark Gorelik
- Department of Pediatrics, Columbia University Vagelos College of Physicians and Surgeons, New York, New York
| | - Joshua Milner
- Department of Pediatrics, Columbia University Vagelos College of Physicians and Surgeons, New York, New York
| | - Sejal Saxena
- Department of Pediatrics, Columbia University Vagelos College of Physicians and Surgeons, New York, New York
| | - Ravi Jhaveri
- Division of Infectious Diseases, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, Illinois
| | - John C. Wood
- Department of Pediatrics and Radiology, Children’s Hospital Los Angeles, Keck School of Medicine, University of Southern California, Los Angeles, California
| | - Kyung E. Rhee
- Department of Pediatrics, University of California, San Diego, School of Medicine, San Diego, California
| | - Rebecca Letts
- Population Health, NYU Grossman School of Medicine, New York, New York
| | - Christine Maughan
- Population Health, NYU Grossman School of Medicine, New York, New York
| | - Nick Guthe
- Population Health, NYU Grossman School of Medicine, New York, New York
| | | | - Melissa S. Stockwell
- Department of Pediatrics, Columbia University Vagelos College of Physicians and Surgeons, New York, New York
- Department of Population and Family Health, Columbia University Mailman School of Public Health, New York, New York
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5
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Adler BL, Chung T, Rowe PC, Aucott J. Dysautonomia following Lyme disease: a key component of post-treatment Lyme disease syndrome? Front Neurol 2024; 15:1344862. [PMID: 38390594 PMCID: PMC10883079 DOI: 10.3389/fneur.2024.1344862] [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: 11/26/2023] [Accepted: 01/22/2024] [Indexed: 02/24/2024] Open
Abstract
Dysautonomia, or dysfunction of the autonomic nervous system (ANS), may occur following an infectious insult and can result in a variety of debilitating, widespread, and often poorly recognized symptoms. Dysautonomia is now widely accepted as a complication of COVID-19 and is an important component of Post-Acute Sequelae of COVID-19 (PASC or long COVID). PASC shares many overlapping clinical features with other infection-associated chronic illnesses including Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS) and Post-Treatment Lyme Disease Syndrome (PTLDS), suggesting that they may share common underlying mechanisms including autonomic dysfunction. Despite the recognition of this complication of Lyme disease in the care of patients with PTLD, there has been a scarcity of research in this field and dysautonomia has not yet been established as a complication of Lyme disease in the medical literature. In this review, we discuss the evidence implicating Borrelia burgdorferi as a cause of dysautonomia and the related symptoms, propose potential pathogenic mechanisms given our knowledge of Lyme disease and mechanisms of PASC and ME/CFS, and discuss the diagnostic evaluation and treatments of dysautonomia. We also outline gaps in the literature and priorities for future research.
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Affiliation(s)
- Brittany L Adler
- Division of Rheumatology, Johns Hopkins University, Baltimore, MD, United States
| | - Tae Chung
- Department of Physical Medicine and Rehabilitation, Johns Hopkins University, Baltimore, MD, United States
| | - Peter C Rowe
- Department of Pediatrics, Johns Hopkins University, Baltimore, MD, United States
| | - John Aucott
- Division of Rheumatology, Johns Hopkins University, Baltimore, MD, United States
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6
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Goldstein DS. Post-COVID dysautonomias: what we know and (mainly) what we don't know. Nat Rev Neurol 2024; 20:99-113. [PMID: 38212633 DOI: 10.1038/s41582-023-00917-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/06/2023] [Indexed: 01/13/2024]
Abstract
Following on from the COVID-19 pandemic is another worldwide public health challenge that is referred to variously as long COVID, post-COVID syndrome or post-acute sequelae of SARS-CoV-2 infection (PASC). PASC comes in many forms and affects all body organs. This heterogeneous presentation suggests involvement of the autonomic nervous system (ANS), which has numerous roles in the maintenance of homeostasis and coordination of responses to various stressors. Thus far, studies of ANS dysregulation in people with PASC have been largely observational and descriptive, based on symptom inventories or objective but indirect measures of cardiovascular function, and have paid little attention to the adrenomedullary, hormonal and enteric nervous components of the ANS. Such investigations do not consider the syndromic nature of autonomic dysfunction. This Review provides an update on the literature relating to ANS abnormalities in people with post-COVID syndrome and presents a theoretical perspective on how the ANS might participate in common features of PASC.
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Affiliation(s)
- David S Goldstein
- Division of Intramural Research, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, USA.
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Kell DB, Khan MA, Kane B, Lip GYH, Pretorius E. Possible Role of Fibrinaloid Microclots in Postural Orthostatic Tachycardia Syndrome (POTS): Focus on Long COVID. J Pers Med 2024; 14:170. [PMID: 38392604 PMCID: PMC10890060 DOI: 10.3390/jpm14020170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Revised: 01/16/2024] [Accepted: 01/27/2024] [Indexed: 02/24/2024] Open
Abstract
Postural orthostatic tachycardia syndrome (POTS) is a common accompaniment of a variety of chronic, inflammatory diseases, including long COVID, as are small, insoluble, 'fibrinaloid' microclots. We here develop the argument, with accompanying evidence, that fibrinaloid microclots, through their ability to block the flow of blood through microcapillaries and thus cause tissue hypoxia, are not simply correlated with but in fact, by preceding it, may be a chief intermediary cause of POTS, in which tachycardia is simply the body's exaggerated 'physiological' response to hypoxia. Similar reasoning accounts for the symptoms bundled under the term 'fatigue'. Amyloids are known to be membrane disruptors, and when their targets are nerve membranes, this can explain neurotoxicity and hence the autonomic nervous system dysfunction that contributes to POTS. Taken together as a system view, we indicate that fibrinaloid microclots can serve to link POTS and fatigue in long COVID in a manner that is at once both mechanistic and explanatory. This has clear implications for the treatment of such diseases.
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Affiliation(s)
- Douglas B Kell
- Department of Biochemistry, Cell and Systems Biology, Institute of Systems, Molecular and Integrative Biology, Faculty of Health and Life Sciences, University of Liverpool, Crown St, Liverpool L69 7ZB, UK
- The Novo Nordisk Foundation Centre for Biosustainability, Building 220, Chemitorvet 200, Technical University of Denmark, 2800 Kongens Lyngby, Denmark
- Department of Physiological Sciences, Faculty of Science, Stellenbosch University, Stellenbosch Private Bag X1, Matieland 7602, South Africa
| | - Muhammed Asad Khan
- Directorate of Respiratory Medicine, Manchester University Hospitals, Wythenshawe Hospital, Manchester M23 9LT, UK
| | - Binita Kane
- Department of Biochemistry, Cell and Systems Biology, Institute of Systems, Molecular and Integrative Biology, Faculty of Health and Life Sciences, University of Liverpool, Crown St, Liverpool L69 7ZB, UK
- Manchester University Foundation Trust and School of Biological Sciences, University of Manchester, Manchester M13 9PL, UK
| | - Gregory Y H Lip
- Liverpool Centre for Cardiovascular Science at University of Liverpool, Liverpool John Moores University and Liverpool Heart & Chest Hospital, Liverpool L14 3PE, UK
- Danish Center for Health Services Research, Department of Clinical Medicine, Aalborg University, 9220 Aalborg, Denmark
| | - Etheresia Pretorius
- Department of Biochemistry, Cell and Systems Biology, Institute of Systems, Molecular and Integrative Biology, Faculty of Health and Life Sciences, University of Liverpool, Crown St, Liverpool L69 7ZB, UK
- Department of Physiological Sciences, Faculty of Science, Stellenbosch University, Stellenbosch Private Bag X1, Matieland 7602, South Africa
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Wright TJ, Pyles RB, Sheffield-Moore M, Deer RR, Randolph KM, McGovern KA, Danesi CP, Gilkison CR, Ward WW, Vargas JA, Armstrong PA, Lindsay SE, Zaidan MF, Seashore J, Wexler TL, Masel BE, Urban RJ. Low growth hormone secretion associated with post-acute sequelae SARS-CoV-2 infection (PASC) neurologic symptoms: A case-control pilot study. Mol Cell Endocrinol 2024; 579:112071. [PMID: 37816478 DOI: 10.1016/j.mce.2023.112071] [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] [Received: 07/14/2023] [Revised: 09/04/2023] [Accepted: 09/16/2023] [Indexed: 10/12/2023]
Abstract
OBJECTIVE To determine if patients that develop lingering neurologic symptoms of fatigue and "brain fog" after initial recovery from coronavirus disease 2019 (COVID-19) have persistent low growth hormone (GH) secretion as seen in other conditions with similar symptom etiology. DESIGN In this case-control observational pilot study, patients reporting lingering neurologic post-acute sequelae of SARS-CoV-2 (PASC, n = 10) symptoms at least 6 months after initial infection were compared to patients that recovered from COVID-19 without lingering symptoms (non-PASC, n = 13). We compared basic blood chemistry and select metabolites, lipids, hormones, inflammatory markers, and vitamins between groups. PASC and non-PASC subjects were tested for neurocognition and GH secretion, and given questionnaires to assess symptom severity. PASC subjects were also tested for glucose tolerance and adrenal function. RESULTS PASC subjects reported significantly worse fatigue, sleep quality, depression, quality of life, and gastrointestinal discomfort compared to non-PASC. Although PASC subjects self-reported poor mental resilience, cognitive testing did not reveal significant differences between groups. Neurologic PASC symptoms were not linked to inflammatory markers or adrenal insufficiency, but were associated with reduced growth hormone secretion. CONCLUSIONS Neurologic PASC symptoms are associated with gastrointestinal discomfort and persistent disruption of GH secretion following recovery from acute COVID-19. (www. CLINICALTRIALS gov; NCT04860869).
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Affiliation(s)
- Traver J Wright
- Department of Internal Medicine, The University of Texas Medical Branch, Galveston, Texas, 77555, USA
| | - Richard B Pyles
- Department of Pediatrics, The University of Texas Medical Branch, Galveston, Texas, 77555, USA
| | - Melinda Sheffield-Moore
- Department of Internal Medicine, The University of Texas Medical Branch, Galveston, Texas, 77555, USA
| | - Rachel R Deer
- Department of Nutrition, Metabolism, and Rehabilitation Sciences, The University of Texas Medical Branch, Galveston, Texas, 77555, USA
| | - Kathleen M Randolph
- Department of Internal Medicine, The University of Texas Medical Branch, Galveston, Texas, 77555, USA
| | - Kristen A McGovern
- Department of Internal Medicine, The University of Texas Medical Branch, Galveston, Texas, 77555, USA
| | - Christopher P Danesi
- Department of Internal Medicine, The University of Texas Medical Branch, Galveston, Texas, 77555, USA
| | - Charles R Gilkison
- Department of Internal Medicine, The University of Texas Medical Branch, Galveston, Texas, 77555, USA
| | - Weston W Ward
- School of Medicine, The University of Texas Medical Branch, Galveston, Texas, 77555, USA
| | - Jayson A Vargas
- School of Medicine, The University of Texas Medical Branch, Galveston, Texas, 77555, USA
| | - Peyton A Armstrong
- School of Medicine, The University of Texas Medical Branch, Galveston, Texas, 77555, USA
| | - Sarah E Lindsay
- Department of Internal Medicine, The University of Texas Medical Branch, Galveston, Texas, 77555, USA
| | - Mohammed F Zaidan
- Department of Internal Medicine, The University of Texas Medical Branch, Galveston, Texas, 77555, USA
| | - Justin Seashore
- Department of Internal Medicine, The University of Texas Medical Branch, Galveston, Texas, 77555, USA
| | - Tamara L Wexler
- Department of Rehabilitation Medicine, NYU Grossman School of Medicine, New York, 10016, USA; Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, 19104, USA
| | - Brent E Masel
- Department of Neurology, The University of Texas Medical Branch, Galveston, Texas, 77555, USA; Centre for Neuro Skills, Bakersfield, California, 93313, USA
| | - Randall J Urban
- Department of Internal Medicine, The University of Texas Medical Branch, Galveston, Texas, 77555, USA.
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9
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Hira R, Karalasingham K, Baker JR, Raj SR. Autonomic Manifestations of Long-COVID Syndrome. Curr Neurol Neurosci Rep 2023; 23:881-892. [PMID: 37947962 DOI: 10.1007/s11910-023-01320-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/25/2023] [Indexed: 11/12/2023]
Abstract
PURPOSE OF REVIEW Long-COVID is a novel condition emerging from the COVID-19 pandemic. Long-COVID is characterized by symptoms commonly seen in autonomic disorders including fatigue, brain fog, light-headedness, and palpitations. This article will critically evaluate recent findings and studies on Long-COVID and its physiological autonomic manifestations. RECENT FINDINGS Studies have reported on the prevalence of different symptoms and autonomic disorders in Long-COVID cohorts. Autonomic nervous system function, including both the parasympathetic and sympathetic limbs, has been studied using different testing techniques in Long-COVID patients. While numerous mechanisms may contribute to Long-COVID autonomic pathophysiology, it is currently unclear which ones lead to a Long-COVID presentation. To date, studies have not tested treatment options for autonomic disorders in Long-COVID patients. Long-COVID is associated with autonomic abnormalities. There is a high prevalence of clinical autonomic disorders among Long-COVID patients, with limited knowledge of the underlying mechanisms and the effectiveness of treatment options.
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Affiliation(s)
- Rashmin Hira
- Libin Cardiovascular Institute, Cumming School of Medicine, Calgary, Alberta, Canada
- Department of Cardiac Sciences, University of Calgary, Calgary, Alberta, Canada
| | - Kavithra Karalasingham
- Libin Cardiovascular Institute, Cumming School of Medicine, Calgary, Alberta, Canada
- Department of Cardiac Sciences, University of Calgary, Calgary, Alberta, Canada
| | - Jacquie R Baker
- Libin Cardiovascular Institute, Cumming School of Medicine, Calgary, Alberta, Canada
- Department of Cardiac Sciences, University of Calgary, Calgary, Alberta, Canada
| | - Satish R Raj
- Libin Cardiovascular Institute, Cumming School of Medicine, Calgary, Alberta, Canada.
- Department of Cardiac Sciences, University of Calgary, Calgary, Alberta, Canada.
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10
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Frontera JA, Guekht A, Allegri RF, Ashraf M, Baykan B, Crivelli L, Easton A, Garcia-Azorin D, Helbok R, Joshi J, Koehn J, Koralnik I, Netravathi M, Michael B, Nilo A, Özge A, Padda K, Pellitteri G, Prasad K, Romozzi M, Saylor D, Seed A, Thakur K, Uluduz D, Vogrig A, Welte TM, Westenberg E, Zhuravlev D, Zinchuk M, Winkler AS. Evaluation and treatment approaches for neurological post-acute sequelae of COVID-19: A consensus statement and scoping review from the global COVID-19 neuro research coalition. J Neurol Sci 2023; 454:120827. [PMID: 37856998 DOI: 10.1016/j.jns.2023.120827] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 09/14/2023] [Accepted: 10/04/2023] [Indexed: 10/21/2023]
Abstract
Post-acute neurological sequelae of COVID-19 affect millions of people worldwide, yet little data is available to guide treatment strategies for the most common symptoms. We conducted a scoping review of PubMed/Medline from 1/1/2020-4/1/2023 to identify studies addressing diagnosis and treatment of the most common post-acute neurological sequelae of COVID-19 including: cognitive impairment, sleep disorders, headache, dizziness/lightheadedness, fatigue, weakness, numbness/pain, anxiety, depression and post-traumatic stress disorder. Utilizing the available literature and international disease-specific society guidelines, we constructed symptom-based differential diagnoses, evaluation and management paradigms. This pragmatic, evidence-based consensus document may serve as a guide for a holistic approach to post-COVID neurological care and will complement future clinical trials by outlining best practices in the evaluation and treatment of post-acute neurological signs/symptoms.
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Affiliation(s)
- Jennifer A Frontera
- Department of Neurology, New York University Grossman School of Medicine, New York, NY, USA.
| | - Alla Guekht
- Moscow Research and Clinical Center for Neuropsychiatry, Moscow, Russia; Pirogov Russian National Research Medical University, Moscow, Russia
| | | | - Mariam Ashraf
- Department of Anesthesiology, Weill Cornell Medical Center, New York Presbyterian Hospital, New York, NY, USA
| | - Betül Baykan
- Department of Neurology, Istanbul University, Istanbul Faculty of Medicine, and EMAR Medical Center, Istanbul, Turkey
| | - Lucía Crivelli
- Department of Cognitive Neurology, Fleni, Buenos Aires, Argentina
| | - Ava Easton
- The Encephalitis Society, Malton, UK; Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool, UK
| | - David Garcia-Azorin
- Department of Neurology, Hospital Clínico Universitario de Valladolid, Valladolid, Spain
| | - Raimund Helbok
- Department of Neurology, Neuro-Intensive Care Unit, Medical University of Innsbruck, Innsbruck, Austria; Department of Neurology, Johannes Kepler University, Linz, Austria
| | - Jatin Joshi
- Department of Anesthesiology, Weill Cornell Medical Center, New York Presbyterian Hospital, New York, NY, USA
| | - Julia Koehn
- Department of Neurology, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Igor Koralnik
- Departmentof Neurology, Northwestern Feinberg School of Medicine, Chicago, IL, USA
| | - M Netravathi
- Department of Neurology, National Institute of Mental Health & Neurosciences, Bangalore, India
| | - Benedict Michael
- Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool, UK; National Institute for Health Research Health Protection Research Unit in Emerging and Zoonotic Infections, University of Liverpool, UK; The Walton Centre NHS Foundation Trust, Liverpool, UK
| | - Annacarmen Nilo
- Clinical Neurology, Santa Maria della Misericordia University Hospital, Azienda Sanitaria Universitaria Friuli Centrale (ASU FC), Udine, Italy
| | - Aynur Özge
- Department of Neurology, Faculty of Medicine, Mersin University, Mersin, Turkey
| | - Karanbir Padda
- Department of Neurology, New York University Grossman School of Medicine, New York, NY, USA
| | - Gaia Pellitteri
- Clinical Neurology, Santa Maria della Misericordia University Hospital, Azienda Sanitaria Universitaria Friuli Centrale (ASU FC), Udine, Italy
| | - Kameshwar Prasad
- Chief Executive Office, Rajendra Institute of Medical Sciences, Ranchi, Jharkhand, India
| | - Marina Romozzi
- Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy; Dipartimento Universitario Di Neuroscienze, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Deanna Saylor
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD, USA; Department of Internal Medicine, University Teaching Hospital, Lusaka, Zambia
| | - Adam Seed
- The Walton Centre NHS Foundation Trust, Liverpool, UK
| | - Kiran Thakur
- Department of Neurology, Columbia University Irving Medical Center/New York Presbyterian Hospital, New York, NY, USA
| | - Derya Uluduz
- Department of Neurology, Istanbul University, Istanbul Faculty of Medicine, and EMAR Medical Center, Istanbul, Turkey
| | - Alberto Vogrig
- Clinical Neurology, Santa Maria della Misericordia University Hospital, Azienda Sanitaria Universitaria Friuli Centrale (ASU FC), Udine, Italy; Department of Medicine, University of Udine Medical School, Udine, Italy
| | - Tamara M Welte
- Department of Neurology, Universitätsklinikum Erlangen, Erlangen, Germany; Department of Neurology, Center for Global Health, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany
| | - Erica Westenberg
- Department of Neurology, Center for Global Health, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany
| | - Dmitry Zhuravlev
- Moscow Research and Clinical Center for Neuropsychiatry, Moscow, Russia
| | - Mikhail Zinchuk
- Moscow Research and Clinical Center for Neuropsychiatry, Moscow, Russia
| | - Andrea S Winkler
- Department of Neurology, Center for Global Health, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany; Department of Community Medicine and Global Health, Institute of Health and Society, University of Oslo, Oslo, Norway; Blavatnik Institute of Global Health and Social Medicine, Harvard Medical School, Boston, MA, USA
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11
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Tabacof L, Wood J, Breyman E, Tosto-Mancuso J, Kelly A, Wilkey K, Zhang C, Putrino D, Kontorovich A. Dysautonomia, but Not Cardiac Dysfunction, Is Common in a Cohort of Individuals with Long COVID. J Pers Med 2023; 13:1606. [PMID: 38003921 PMCID: PMC10671897 DOI: 10.3390/jpm13111606] [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: 09/09/2023] [Revised: 11/02/2023] [Accepted: 11/04/2023] [Indexed: 11/26/2023] Open
Abstract
Despite the prevalence of dysautonomia in people with Long COVID, it is currently unknown whether Long COVID dysautonomia is routinely accompanied by structural or functional cardiac alterations. In this retrospective observational study, the presence of echocardiographic abnormalities was assessed. Left ventricular (LV) chamber sizes were correlated to diagnostic categories and symptoms via standardized patient-reported outcome (PRO) questionnaires. A total of 203 individuals with Long COVID without pre-existing cardiac disease and with available echocardiograms were included (mean age, 45 years; 67% female). Overall, symptoms and PRO scores for fatigue, breathlessness, quality of life, disability, anxiety and depression were not different between those classified with post-COVID dysautonomia (PCD, 22%) and those unclassified (78%). An LV internal diameter at an end-diastole z score < -2 was observed in 33 (16.5%) individuals, and stroke volume (SV) was lower in the PCD vs. unclassified subgroup (51.6 vs. 59.2 mL, 95% C.I. 47.1-56.1 vs. 56.2-62.3). LV end-diastolic volume (mean diff. (95% CI) -13 [-1--26] mL, p = 0.04) and SV (-10 [-1--20] mL, p = 0.03) were smaller in those individuals reporting a reduction in physical activity post-COVID-19 infection, and smaller LVMI was weakly correlated with worse fatigue (r = 0.23, p = 0.02). The majority of individuals with Long COVID report shared symptoms and did not demonstrate cardiac dysfunction on echocardiography.
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Affiliation(s)
- Laura Tabacof
- Abilities Research Center, Department of Rehabilitation and Human Performance, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA (J.W.)
| | - Jamie Wood
- Abilities Research Center, Department of Rehabilitation and Human Performance, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA (J.W.)
| | - Erica Breyman
- Abilities Research Center, Department of Rehabilitation and Human Performance, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA (J.W.)
| | - Jenna Tosto-Mancuso
- Abilities Research Center, Department of Rehabilitation and Human Performance, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA (J.W.)
| | - Amanda Kelly
- Department of Rehabilitation and Human Performance, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Kaitlyn Wilkey
- Department of Rehabilitation and Human Performance, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Chi Zhang
- Zena and Michael A. Weiner Cardiovascular Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; (C.Z.); (A.K.)
| | - David Putrino
- Abilities Research Center, Department of Rehabilitation and Human Performance, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA (J.W.)
| | - Amy Kontorovich
- Zena and Michael A. Weiner Cardiovascular Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; (C.Z.); (A.K.)
- The Mindich Child Health and Development Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
- The Cardiovascular Research Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
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12
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Bellanti JA, Novak P, Faitelson Y, Bernstein JA, Castells MC. The Long Road of Long COVID: Specific Considerations for the Allergist/Immunologist. THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY. IN PRACTICE 2023; 11:3335-3345. [PMID: 37774781 DOI: 10.1016/j.jaip.2023.09.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 09/08/2023] [Accepted: 09/18/2023] [Indexed: 10/01/2023]
Abstract
Long COVID (coronavirus disease 2019) syndrome, also known as post-acute sequelae of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection, is a new disorder that can develop after an acute infection with the SARS-CoV-2 virus. The condition is characterized by multiorgan system involvement with a wide range of symptoms that can vary in severity from mild to debilitating. Some of the common symptoms associated with long COVID syndrome include cardiovascular issues such as heart palpitations and chest pain; thrombotic events (eg, blood clotting disorders); metabolic problems (eg, type 2 diabetes); dysautonomia; paroxysmal orthostatic tachycardia syndrome; myalgic encephalomyelitis/chronic fatigue syndrome; reactivation of the Epstein-Barr virus; the presence of autoantibodies; chronic spontaneous urticaria (hives); and connective tissue diseases. Whereas long COVID syndrome can affect individuals from various backgrounds, certain populations may be at higher risk such as individuals of Hispanic and Latino heritage, as well as those with low socioeconomic status, although approximately one-third of affected patients have no known risk factors or preexisting conditions. Many survivors of COVID-19 struggle with multiple symptoms, increased disability, reduced function, and poor quality of life. Whereas vaccination has been the most significant intervention able to decrease the severity of acute SARS-Cov2 infection and curtail deaths, limited data are available related to its modulating effect on long COVID necessitating the need for further investigation. Furthermore, several inflammatory pathways have been proposed for the pathogenesis of long COVID that are the targets for ongoing clinical studies evaluating novel pharmacological agents. The purpose of the present report is to review the many factors associated with long COVID with a focus on those aspects that have relevance to the allergist-immunologist.
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Affiliation(s)
- Joseph A Bellanti
- Department of Pediatrics and Department of Microbiology-Immunology, Georgetown University School of Medicine; International Center for Interdisciplinary Studies of Immunology (ICISI), Georgetown University Medical Center, Washington, DC
| | - Peter Novak
- Department of Neurology, Brigham and Women's Hospital, Harvard Medical School, Boston, Mass
| | - Yoram Faitelson
- Department of Pediatrics Allergy and Immunology, Schneider Children's Hospital, Petach Tikva, Israel
| | - Jonathan A Bernstein
- Department of Internal Medicine, Division of Rheumatology, Allergy and Immunology, University of Cincinnati College of Medicine, Cincinnati, Ohio
| | - Mariana C Castells
- Drug Hypersensitivity and Desensitization Center and Mastocytosis Center, Brigham and Women's Hospital Division of Allergy and Immunology, Harvard Medical School, Boston, Mass.
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13
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Fernández-de-Las-Peñas C, Nijs J, Giordano R, Arendt-Nielsen L. Precision management of post-COVID pain: An evidence and clinical-based approach. Eur J Pain 2023; 27:1107-1125. [PMID: 36852606 DOI: 10.1002/ejp.2095] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 02/11/2023] [Accepted: 02/13/2023] [Indexed: 03/01/2023]
Abstract
Background Pain after a SARS-CoV-2 acute infection (post-COVID pain) is becoming a new healthcare emergency but remains underestimated and most likely undertreated due to a lack of recognition of the phenomenon and knowledge of the underlying pain mechanisms. Evidence supporting any particular treatment approach for the management of post-COVID pain is lacking. Large variability in the patient response to any standard pain treatments is clinically observed, which has led to calls for a personalized, tailored approach to treating patients with chronic post-COVID pain (i.e. 'precision pain medicine'). Applying the global concerted action towards precision medicine to post-COVID pain could help guide clinical decision-making and aid in more effective treatments. Methods The current position paper discusses factors to be considered by clinicians for managing post-COVID pain ranging from identification of the pain phenotype to genetic consideration. Results The ability of clinicians to phenotype post-COVID pain into nociceptive, neuropathic, nociplastic or mixed type is suggested as the first step to better planification of a treatment programme. Further, the consideration of other factors, such as gender, comorbidities, treatments received at the acute phase of infection for onset-associated COVID-19 symptoms, factors during hospitalization or the presence of emotional disturbances should be implemented into a treatment programme. Conclusions Accordingly, considering these factors, management of post-COVID pain should include multimodal pharmacological and non-pharmacological modalities targeting emotional/cognitive aspects (i.e. psychological and/or coping strategies), central sensitization-associated mechanisms (i.e. pain neuroscience education), exercise programmes as well as lifestyle interventions (e.g. nutritional support and sleep management). SIGNIFICANCE: This position paper presents an evidence-based clinical reasoning approach for precision management of post-COVID pain.
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Affiliation(s)
- César Fernández-de-Las-Peñas
- Department of Physical Therapy, Occupational Therapy, Physical Medicine and Rehabilitation, Universidad Rey Juan Carlos (URJC), Madrid, Spain
- Center for Neuroplasticity and Pain (CNAP), SMI, Department of Health Science and Technology, Faculty of Medicine, Aalborg University, Aalborg, Denmark
| | - Jo Nijs
- Pain in Motion Research Group (PAIN), Department of Physiotherapy, Human Physiology and Anatomy, Faculty of Physical Education & Physiotherapy, Vrije Universiteit Brussel, Brussels, Belgium
- Chronic pain rehabilitation, Department of Physical Medicine and Physiotherapy, University Hospital Brussels, Brussels, Belgium
- Department of Health and Rehabilitation, Unit of Physiotherapy, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Brussels, Sweden
| | - Rocco Giordano
- Center for Neuroplasticity and Pain (CNAP), SMI, Department of Health Science and Technology, Faculty of Medicine, Aalborg University, Aalborg, Denmark
| | - Lars Arendt-Nielsen
- Center for Neuroplasticity and Pain (CNAP), SMI, Department of Health Science and Technology, Faculty of Medicine, Aalborg University, Aalborg, Denmark
- Department of Medical Gastroenterology, Mech-Sense, Aalborg University Hospital, Aalborg, Denmark
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14
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Rigo S, Urechie V, Diedrich A, Okamoto LE, Biaggioni I, Shibao CA. Impaired parasympathetic function in long-COVID postural orthostatic tachycardia syndrome - a case-control study. Bioelectron Med 2023; 9:19. [PMID: 37670400 PMCID: PMC10481607 DOI: 10.1186/s42234-023-00121-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2023] [Accepted: 08/12/2023] [Indexed: 09/07/2023] Open
Abstract
PURPOSE Eighty percent of patients infected by SARS-CoV-2 report persistence of one symptom beyond the 4-week convalescent period. Those with orthostatic tachycardia and orthostatic symptoms mimicking postural tachycardia syndrome, they are defined as Long-COVID POTS [LCP]. This case-control study investigated potential differences in autonomic cardiovascular regulation between LCP patients and healthy controls. METHODS Thirteen LCP and 16 healthy controls, all female subjects, were studied without medications. Continuous blood pressure and ECG were recorded during orthostatic stress test, respiratory sinus arrhythmia, and Valsalva maneuver. Time domain and power spectral analysis of heart rate [HR] and systolic blood pressure [SBP] variability were computed characterizing cardiac autonomic control and sympathetic peripheral vasoconstriction. RESULTS LCP had higher deltaHR (+ 40 ± 6 vs. + 21 ± 3 bpm, p = 0.004) and deltaSBP (+ 8 ± 4 vs. -1 ± 2 mmHg, p = 0.04) upon standing; 47% had impaired Valsalva maneuver ratio compared with 6.2% in controls (p = 0.01). Spectral analysis revealed that LCP had lower RMSSD (32.1 ± 4.6 vs. 48.9 ± 6.8 ms, p = 0.04) and HFRRI, both in absolute (349 ± 105 vs. 851 ± 253ms2, p = 0.03) and normalized units (32 ± 4 vs. 46 ± 4 n.u., p = 0.02). LFSBP was similar between groups. CONCLUSIONS LCP have reduced cardiovagal modulation, but normal sympathetic cardiac and vasoconstrictive functions. Impaired parasympathetic function may contribute to the pathogenesis of Long-COVID POTS syndrome.
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Affiliation(s)
- Stefano Rigo
- Department of Clinical Pharmacology, Vanderbilt University Medical Center, Nashville, TN, USA.
- Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini 4, Pieve Emanuele, Milan, 20090, Italy.
| | - Vasile Urechie
- Department of Clinical Pharmacology, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Andrè Diedrich
- Department of Clinical Pharmacology, Vanderbilt University Medical Center, Nashville, TN, USA
- Department of Biomedical Engineering, Vanderbilt University, Nashville, TN, USA
| | - Luis E Okamoto
- Department of Clinical Pharmacology, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Italo Biaggioni
- Department of Clinical Pharmacology, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Cyndya A Shibao
- Department of Clinical Pharmacology, Vanderbilt University Medical Center, Nashville, TN, USA
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15
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Joseph P, Singh I, Oliveira R, Capone CA, Mullen MP, Cook DB, Stovall MC, Squires J, Madsen K, Waxman AB, Systrom DM. Exercise Pathophysiology in Myalgic Encephalomyelitis/Chronic Fatigue Syndrome and Postacute Sequelae of SARS-CoV-2: More in Common Than Not? Chest 2023; 164:717-726. [PMID: 37054777 PMCID: PMC10088277 DOI: 10.1016/j.chest.2023.03.049] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 03/29/2023] [Accepted: 03/30/2023] [Indexed: 04/15/2023] Open
Abstract
TOPIC IMPORTANCE Postacute sequelae of SARS-CoV-2 (PASC) is a long-term consequence of acute infection from COVID-19. Clinical overlap between PASC and myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) has been observed, with shared symptoms including intractable fatigue, postexertional malaise, and orthostatic intolerance. The mechanistic underpinnings of such symptoms are poorly understood. REVIEW FINDINGS Early studies suggest deconditioning as the primary explanation for exertional intolerance in PASC. Cardiopulmonary exercise testing reveals perturbations related to systemic blood flow and ventilatory control associated with acute exercise intolerance in PASC, which are not typical of simple detraining. Hemodynamic and gas exchange derangements in PASC have substantial overlap with those observed with ME/CFS, suggestive of shared mechanisms. SUMMARY This review illustrates exercise pathophysiologic commonalities between PASC and ME/CFS that will help guide future diagnostics and treatment.
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Affiliation(s)
- Phillip Joseph
- Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, Yale-New Haven Hospital, Yale University, New Haven, CT
| | - Inderjit Singh
- Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, Yale-New Haven Hospital, Yale University, New Haven, CT
| | - Rudolf Oliveira
- Division of Respiratory Disease, Department of Medicine, Federal University of São Paulo (UNIFESP), São Paulo, Brazil
| | - Christine A Capone
- Division of Pediatric Cardiology Department of Pediatrics, Cohen Children's Medical Center, Northwell Health, Donald and Barbara Zucker School of Medicine at Hofstra, Manhasset, NY
| | - Mary P Mullen
- Department of Cardiology, Boston Children's Hospital, Harvard Medical School, Boston, MA
| | - Dane B Cook
- Research Service, William S. Middleton Memorial Veterans Hospital & Department of Kinesiology, University of Wisconsin-Madison, Madison, WI
| | - Mary Catherine Stovall
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA
| | - Johanna Squires
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA
| | - Kristine Madsen
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA
| | - Aaron B Waxman
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA
| | - David M Systrom
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA.
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16
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Durstenfeld MS, Peluso MJ, Kaveti P, Hill C, Li D, Sander E, Swaminathan S, Arechiga VM, Lu S, Goldberg SA, Hoh R, Chenna A, Yee BC, Winslow JW, Petropoulos CJ, Kelly JD, Glidden DV, Henrich TJ, Martin JN, Lee YJ, Aras MA, Long CS, Grandis DJ, Deeks SG, Hsue PY. Reduced Exercise Capacity, Chronotropic Incompetence, and Early Systemic Inflammation in Cardiopulmonary Phenotype Long Coronavirus Disease 2019. J Infect Dis 2023; 228:542-554. [PMID: 37166076 PMCID: PMC10686699 DOI: 10.1093/infdis/jiad131] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 04/26/2023] [Accepted: 05/09/2023] [Indexed: 05/12/2023] Open
Abstract
BACKGROUND Mechanisms underlying persistent cardiopulmonary symptoms after severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection (postacute sequelae of coronavirus disease 2019 [COVID-19; PASC] or "long COVID") remain unclear. This study sought to elucidate mechanisms of cardiopulmonary symptoms and reduced exercise capacity. METHODS We conducted cardiopulmonary exercise testing (CPET), cardiac magnetic resonance imaging (CMR) and ambulatory rhythm monitoring among adults >1 year after SARS-CoV-2 infection, compared those with and those without symptoms, and correlated findings with previously measured biomarkers. RESULTS Sixty participants (median age, 53 years; 42% female; 87% nonhospitalized; median 17.6 months after infection) were studied. At CPET, 18/37 (49%) with symptoms had reduced exercise capacity (<85% predicted), compared with 3/19 (16%) without symptoms (P = .02). The adjusted peak oxygen consumption (VO2) was 5.2 mL/kg/min lower (95% confidence interval, 2.1-8.3; P = .001) or 16.9% lower percent predicted (4.3%-29.6%; P = .02) among those with symptoms. Chronotropic incompetence was common. Inflammatory markers and antibody levels early in PASC were negatively correlated with peak VO2. Late-gadolinium enhancement on CMR and arrhythmias were absent. CONCLUSIONS Cardiopulmonary symptoms >1 year after COVID-19 were associated with reduced exercise capacity, which was associated with earlier inflammatory markers. Chronotropic incompetence may explain exercise intolerance among some with "long COVID."
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Affiliation(s)
- Matthew S Durstenfeld
- Department of Medicine, University of California, San Francisco, San Francisco, California, USA
- Division of Cardiology, Zuckerberg San Francisco General, University of California, San Francisco, San Francisco, California, USA
| | - Michael J Peluso
- Department of Medicine, University of California, San Francisco, San Francisco, California, USA
- Division of HIV, Infectious Diseases, and Global Medicine, Zuckerberg San Francisco General Hospital, University of California, San Francisco, San Francisco, California, USA
| | - Punita Kaveti
- Department of Medicine, University of California, San Francisco, San Francisco, California, USA
- Division of Cardiology, UCSF Health, San Francisco, California, USA
| | - Christopher Hill
- School of Medicine, University of California, San Francisco, San Francisco, California, USA
| | - Danny Li
- Division of Cardiology, Zuckerberg San Francisco General, University of California, San Francisco, San Francisco, California, USA
| | - Erica Sander
- Division of Cardiology, UCSF Health, San Francisco, California, USA
| | - Shreya Swaminathan
- Division of Cardiology, Zuckerberg San Francisco General, University of California, San Francisco, San Francisco, California, USA
| | - Victor M Arechiga
- Division of Cardiology, Zuckerberg San Francisco General, University of California, San Francisco, San Francisco, California, USA
| | - Scott Lu
- Division of HIV, Infectious Diseases, and Global Medicine, Zuckerberg San Francisco General Hospital, University of California, San Francisco, San Francisco, California, USA
| | - Sarah A Goldberg
- School of Medicine, University of California, San Francisco, San Francisco, California, USA
| | - Rebecca Hoh
- Division of Cardiology, Zuckerberg San Francisco General, University of California, San Francisco, San Francisco, California, USA
| | - Ahmed Chenna
- Monogram Biosciences, LabCorp, University of California, San Francisco, California, USA
| | - Brandon C Yee
- Monogram Biosciences, LabCorp, University of California, San Francisco, California, USA
| | - John W Winslow
- Monogram Biosciences, LabCorp, University of California, San Francisco, California, USA
| | | | - J Daniel Kelly
- Institute of Global Health Sciences, University of California, San Francisco, San Francisco, California, USA
- F.I. Proctor Foundation, University of California, San Francisco, San Francisco, California, USA
- Division of Experimental Medicine, University of California, San Francisco, San Francisco, California, USA
| | - David V Glidden
- Department of Epidemiology and Biostatistics, University of California, San Francisco, San Francisco, California, USA
| | - Timothy J Henrich
- Department of Medicine, University of California, San Francisco, San Francisco, California, USA
- Division of Experimental Medicine, University of California, San Francisco, San Francisco, California, USA
| | - Jeffrey N Martin
- Department of Epidemiology and Biostatistics, University of California, San Francisco, San Francisco, California, USA
| | - Yoo Jin Lee
- Cardiac and Pulmonary Imaging, Department of Radiology, University of California, San Francisco, San Francisco, California, USA
| | - Mandar A Aras
- Department of Medicine, University of California, San Francisco, San Francisco, California, USA
- Division of Cardiology, UCSF Health, San Francisco, California, USA
| | - Carlin S Long
- Department of Medicine, University of California, San Francisco, San Francisco, California, USA
- Division of Cardiology, UCSF Health, San Francisco, California, USA
| | - Donald J Grandis
- Department of Medicine, University of California, San Francisco, San Francisco, California, USA
- Division of Cardiology, UCSF Health, San Francisco, California, USA
| | - Steven G Deeks
- Department of Medicine, University of California, San Francisco, San Francisco, California, USA
- Division of HIV, Infectious Diseases, and Global Medicine, Zuckerberg San Francisco General Hospital, University of California, San Francisco, San Francisco, California, USA
| | - Priscilla Y Hsue
- Department of Medicine, University of California, San Francisco, San Francisco, California, USA
- Division of Cardiology, Zuckerberg San Francisco General, University of California, San Francisco, San Francisco, California, USA
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Gómez-Moyano E, Rodríguez-Capitán J, Gaitán Román D, Reyes Bueno JA, Villalobos Sánchez A, Espíldora Hernández F, González Angulo GE, Molina Mora MJ, Thurnhofer-Hemsi K, Molina-Ramos AI, Romero-Cuevas M, Jiménez-Navarro M, Pavón-Morón FJ. Postural orthostatic tachycardia syndrome and other related dysautonomic disorders after SARS-CoV-2 infection and after COVID-19 messenger RNA vaccination. Front Neurol 2023; 14:1221518. [PMID: 37654428 PMCID: PMC10467287 DOI: 10.3389/fneur.2023.1221518] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Accepted: 07/21/2023] [Indexed: 09/02/2023] Open
Abstract
The COVID-19 pandemic has caused a challenge for our society due to the post-acute sequelae of the disease. Persistent symptoms and long-term multiorgan complications, known as post-acute COVID-19 syndrome, can occur beyond 4 weeks from the onset of the COVID-19 infection. Postural orthostatic tachycardia syndrome (POTS) is considered a variety of dysautonomia, which is characterized by chronic symptoms that occur with standing and a sustained increase in heart rate, without orthostatic hypotension. POTS can lead to debilitating symptoms, significant disability, and impaired quality of life. In this narrative review, the etiopathogenic basis, epidemiology, clinical manifestations, diagnosis, treatment, prognosis, and socioeconomic impact of POTS, as well as other related dysautonomic disorders, after COVID-19 infection and SARS-CoV-2 postvaccination, were discussed. After a search conducted in March 2023, a total of 89 relevant articles were selected from the PubMed, Google Scholar, and Web of Science databases. The review highlights the importance of recognizing and managing POTS after COVID-19 infection and vaccination, and the approach to autonomic disorders should be known by all specialists in different medical areas. The diagnosis of POTS requires a comprehensive clinical assessment, including a detailed medical history, physical examination, orthostatic vital signs, and autonomic function tests. The treatment of POTS after COVID-19 infection or vaccination is mainly focused on lifestyle modifications, such as increased fluid and salt intake, exercise, and graduated compression stockings. Pharmacotherapy, such as beta-blockers, fludrocortisone, midodrine, and ivabradine, may also be used in selected cases. Further research is needed to understand the underlying mechanisms, risk factors, and optimal treatment strategies for this complication.
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Affiliation(s)
| | - Jorge Rodríguez-Capitán
- Centro de Investigación en Red de Enfermedades Cardiovasculares (CIBERCV), IBIMA-Plataforma BIONAND, Universidad de Málaga, Málaga, Spain
- Department of Cardiology, Hospital Universitario Virgen de la Victoria, Málaga, Spain
| | - Daniel Gaitán Román
- Department of Cardiology, Hospital Regional Universitario de Málaga, Málaga, Spain
| | | | | | | | | | | | - Karl Thurnhofer-Hemsi
- Centro de Investigación en Red de Enfermedades Cardiovasculares (CIBERCV), IBIMA-Plataforma BIONAND, Universidad de Málaga, Málaga, Spain
- Department of Computer Languages and Computer Sciences, University of Malaga, Málaga, Spain
| | - Ana Isabel Molina-Ramos
- Centro de Investigación en Red de Enfermedades Cardiovasculares (CIBERCV), IBIMA-Plataforma BIONAND, Universidad de Málaga, Málaga, Spain
- Department of Cardiology, Hospital Universitario Virgen de la Victoria, Málaga, Spain
| | - Miguel Romero-Cuevas
- Centro de Investigación en Red de Enfermedades Cardiovasculares (CIBERCV), IBIMA-Plataforma BIONAND, Universidad de Málaga, Málaga, Spain
- Department of Cardiology, Hospital Universitario Virgen de la Victoria, Málaga, Spain
| | - Manuel Jiménez-Navarro
- Centro de Investigación en Red de Enfermedades Cardiovasculares (CIBERCV), IBIMA-Plataforma BIONAND, Universidad de Málaga, Málaga, Spain
- Department of Cardiology, Hospital Universitario Virgen de la Victoria, Málaga, Spain
- Department of Medicine and Dermatology, University of Malaga, Málaga, Spain
| | - Francisco Javier Pavón-Morón
- Centro de Investigación en Red de Enfermedades Cardiovasculares (CIBERCV), IBIMA-Plataforma BIONAND, Universidad de Málaga, Málaga, Spain
- Department of Cardiology, Hospital Universitario Virgen de la Victoria, Málaga, Spain
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18
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Mina Y, Enose-Akahata Y, Hammoud DA, Videckis AJ, Narpala SR, O'Connell SE, Carroll R, Lin BC, McMahan CC, Nair G, Reoma LB, McDermott AB, Walitt B, Jacobson S, Goldstein DS, Smith BR, Nath A. Deep Phenotyping of Neurologic Postacute Sequelae of SARS-CoV-2 Infection. NEUROLOGY(R) NEUROIMMUNOLOGY & NEUROINFLAMMATION 2023; 10:10/4/e200097. [PMID: 37147136 PMCID: PMC10162706 DOI: 10.1212/nxi.0000000000200097] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Accepted: 01/04/2023] [Indexed: 05/07/2023]
Abstract
BACKGROUND AND OBJECTIVES SARS-CoV-2 infection has been associated with a syndrome of long-term neurologic sequelae that is poorly characterized. We aimed to describe and characterize in-depth features of neurologic postacute sequelae of SARS-CoV-2 infection (neuro-PASC). METHODS Between October 2020 and April 2021, 12 participants were seen at the NIH Clinical Center under an observational study to characterize ongoing neurologic abnormalities after SARS-CoV-2 infection. Autonomic function and CSF immunophenotypic analysis were compared with healthy volunteers (HVs) without prior SARS-CoV-2 infection tested using the same methodology. RESULTS Participants were mostly female (83%), with a mean age of 45 ± 11 years. The median time of evaluation was 9 months after COVID-19 (range 3-12 months), and most (11/12, 92%) had a history of only a mild infection. The most common neuro-PASC symptoms were cognitive difficulties and fatigue, and there was evidence for mild cognitive impairment in half of the patients (MoCA score <26). The majority (83%) had a very disabling disease, with Karnofsky Performance Status ≤80. Smell testing demonstrated different degrees of microsmia in 8 participants (66%). Brain MRI scans were normal, except 1 patient with bilateral olfactory bulb hypoplasia that was likely congenital. CSF analysis showed evidence of unique intrathecal oligoclonal bands in 3 cases (25%). Immunophenotyping of CSF compared with HVs showed that patients with neuro-PASC had lower frequencies of effector memory phenotype both for CD4+ T cells (p < 0.0001) and for CD8+ T cells (p = 0.002), an increased frequency of antibody-secreting B cells (p = 0.009), and increased frequency of cells expressing immune checkpoint molecules. On autonomic testing, there was evidence for decreased baroreflex-cardiovagal gain (p = 0.009) and an increased peripheral resistance during tilt-table testing (p < 0.0001) compared with HVs, without excessive plasma catecholamine responses. DISCUSSION CSF immune dysregulation and neurocirculatory abnormalities after SARS-CoV-2 infection in the setting of disabling neuro-PASC call for further evaluation to confirm these changes and explore immunomodulatory treatments in the context of clinical trials.
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Affiliation(s)
- Yair Mina
- From the National Institute of Neurological Disorders and Stroke (Y.M., Y.E.-A., A.J.V., C.C.M., G.N., L.B.R., B.W., S.J., D.S.G., B.R.S., A.N.), National Institutes of Health, Bethesda, MD; Sackler Faculty of Medicine (Y.M.), Tel-Aviv University, Israel; Center for Infectious Disease Imaging (D.A.H.), Radiology and Imaging Sciences, Clinical Center, National Institutes of Health; and Vaccine Immunology Program (S.R.N., S.E.O.C., R.C., B.C.L., A.B.M.), Vaccine Research Center, National Institutes of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD
| | - Yoshimi Enose-Akahata
- From the National Institute of Neurological Disorders and Stroke (Y.M., Y.E.-A., A.J.V., C.C.M., G.N., L.B.R., B.W., S.J., D.S.G., B.R.S., A.N.), National Institutes of Health, Bethesda, MD; Sackler Faculty of Medicine (Y.M.), Tel-Aviv University, Israel; Center for Infectious Disease Imaging (D.A.H.), Radiology and Imaging Sciences, Clinical Center, National Institutes of Health; and Vaccine Immunology Program (S.R.N., S.E.O.C., R.C., B.C.L., A.B.M.), Vaccine Research Center, National Institutes of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD
| | - Dima A Hammoud
- From the National Institute of Neurological Disorders and Stroke (Y.M., Y.E.-A., A.J.V., C.C.M., G.N., L.B.R., B.W., S.J., D.S.G., B.R.S., A.N.), National Institutes of Health, Bethesda, MD; Sackler Faculty of Medicine (Y.M.), Tel-Aviv University, Israel; Center for Infectious Disease Imaging (D.A.H.), Radiology and Imaging Sciences, Clinical Center, National Institutes of Health; and Vaccine Immunology Program (S.R.N., S.E.O.C., R.C., B.C.L., A.B.M.), Vaccine Research Center, National Institutes of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD
| | - Anthony J Videckis
- From the National Institute of Neurological Disorders and Stroke (Y.M., Y.E.-A., A.J.V., C.C.M., G.N., L.B.R., B.W., S.J., D.S.G., B.R.S., A.N.), National Institutes of Health, Bethesda, MD; Sackler Faculty of Medicine (Y.M.), Tel-Aviv University, Israel; Center for Infectious Disease Imaging (D.A.H.), Radiology and Imaging Sciences, Clinical Center, National Institutes of Health; and Vaccine Immunology Program (S.R.N., S.E.O.C., R.C., B.C.L., A.B.M.), Vaccine Research Center, National Institutes of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD
| | - Sandeep R Narpala
- From the National Institute of Neurological Disorders and Stroke (Y.M., Y.E.-A., A.J.V., C.C.M., G.N., L.B.R., B.W., S.J., D.S.G., B.R.S., A.N.), National Institutes of Health, Bethesda, MD; Sackler Faculty of Medicine (Y.M.), Tel-Aviv University, Israel; Center for Infectious Disease Imaging (D.A.H.), Radiology and Imaging Sciences, Clinical Center, National Institutes of Health; and Vaccine Immunology Program (S.R.N., S.E.O.C., R.C., B.C.L., A.B.M.), Vaccine Research Center, National Institutes of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD
| | - Sarah E O'Connell
- From the National Institute of Neurological Disorders and Stroke (Y.M., Y.E.-A., A.J.V., C.C.M., G.N., L.B.R., B.W., S.J., D.S.G., B.R.S., A.N.), National Institutes of Health, Bethesda, MD; Sackler Faculty of Medicine (Y.M.), Tel-Aviv University, Israel; Center for Infectious Disease Imaging (D.A.H.), Radiology and Imaging Sciences, Clinical Center, National Institutes of Health; and Vaccine Immunology Program (S.R.N., S.E.O.C., R.C., B.C.L., A.B.M.), Vaccine Research Center, National Institutes of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD
| | - Robin Carroll
- From the National Institute of Neurological Disorders and Stroke (Y.M., Y.E.-A., A.J.V., C.C.M., G.N., L.B.R., B.W., S.J., D.S.G., B.R.S., A.N.), National Institutes of Health, Bethesda, MD; Sackler Faculty of Medicine (Y.M.), Tel-Aviv University, Israel; Center for Infectious Disease Imaging (D.A.H.), Radiology and Imaging Sciences, Clinical Center, National Institutes of Health; and Vaccine Immunology Program (S.R.N., S.E.O.C., R.C., B.C.L., A.B.M.), Vaccine Research Center, National Institutes of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD
| | - Bob C Lin
- From the National Institute of Neurological Disorders and Stroke (Y.M., Y.E.-A., A.J.V., C.C.M., G.N., L.B.R., B.W., S.J., D.S.G., B.R.S., A.N.), National Institutes of Health, Bethesda, MD; Sackler Faculty of Medicine (Y.M.), Tel-Aviv University, Israel; Center for Infectious Disease Imaging (D.A.H.), Radiology and Imaging Sciences, Clinical Center, National Institutes of Health; and Vaccine Immunology Program (S.R.N., S.E.O.C., R.C., B.C.L., A.B.M.), Vaccine Research Center, National Institutes of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD
| | - Cynthia Chen McMahan
- From the National Institute of Neurological Disorders and Stroke (Y.M., Y.E.-A., A.J.V., C.C.M., G.N., L.B.R., B.W., S.J., D.S.G., B.R.S., A.N.), National Institutes of Health, Bethesda, MD; Sackler Faculty of Medicine (Y.M.), Tel-Aviv University, Israel; Center for Infectious Disease Imaging (D.A.H.), Radiology and Imaging Sciences, Clinical Center, National Institutes of Health; and Vaccine Immunology Program (S.R.N., S.E.O.C., R.C., B.C.L., A.B.M.), Vaccine Research Center, National Institutes of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD
| | - Govind Nair
- From the National Institute of Neurological Disorders and Stroke (Y.M., Y.E.-A., A.J.V., C.C.M., G.N., L.B.R., B.W., S.J., D.S.G., B.R.S., A.N.), National Institutes of Health, Bethesda, MD; Sackler Faculty of Medicine (Y.M.), Tel-Aviv University, Israel; Center for Infectious Disease Imaging (D.A.H.), Radiology and Imaging Sciences, Clinical Center, National Institutes of Health; and Vaccine Immunology Program (S.R.N., S.E.O.C., R.C., B.C.L., A.B.M.), Vaccine Research Center, National Institutes of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD
| | - Lauren B Reoma
- From the National Institute of Neurological Disorders and Stroke (Y.M., Y.E.-A., A.J.V., C.C.M., G.N., L.B.R., B.W., S.J., D.S.G., B.R.S., A.N.), National Institutes of Health, Bethesda, MD; Sackler Faculty of Medicine (Y.M.), Tel-Aviv University, Israel; Center for Infectious Disease Imaging (D.A.H.), Radiology and Imaging Sciences, Clinical Center, National Institutes of Health; and Vaccine Immunology Program (S.R.N., S.E.O.C., R.C., B.C.L., A.B.M.), Vaccine Research Center, National Institutes of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD
| | - Adrian B McDermott
- From the National Institute of Neurological Disorders and Stroke (Y.M., Y.E.-A., A.J.V., C.C.M., G.N., L.B.R., B.W., S.J., D.S.G., B.R.S., A.N.), National Institutes of Health, Bethesda, MD; Sackler Faculty of Medicine (Y.M.), Tel-Aviv University, Israel; Center for Infectious Disease Imaging (D.A.H.), Radiology and Imaging Sciences, Clinical Center, National Institutes of Health; and Vaccine Immunology Program (S.R.N., S.E.O.C., R.C., B.C.L., A.B.M.), Vaccine Research Center, National Institutes of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD
| | - Brian Walitt
- From the National Institute of Neurological Disorders and Stroke (Y.M., Y.E.-A., A.J.V., C.C.M., G.N., L.B.R., B.W., S.J., D.S.G., B.R.S., A.N.), National Institutes of Health, Bethesda, MD; Sackler Faculty of Medicine (Y.M.), Tel-Aviv University, Israel; Center for Infectious Disease Imaging (D.A.H.), Radiology and Imaging Sciences, Clinical Center, National Institutes of Health; and Vaccine Immunology Program (S.R.N., S.E.O.C., R.C., B.C.L., A.B.M.), Vaccine Research Center, National Institutes of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD
| | - Steven Jacobson
- From the National Institute of Neurological Disorders and Stroke (Y.M., Y.E.-A., A.J.V., C.C.M., G.N., L.B.R., B.W., S.J., D.S.G., B.R.S., A.N.), National Institutes of Health, Bethesda, MD; Sackler Faculty of Medicine (Y.M.), Tel-Aviv University, Israel; Center for Infectious Disease Imaging (D.A.H.), Radiology and Imaging Sciences, Clinical Center, National Institutes of Health; and Vaccine Immunology Program (S.R.N., S.E.O.C., R.C., B.C.L., A.B.M.), Vaccine Research Center, National Institutes of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD
| | - David S Goldstein
- From the National Institute of Neurological Disorders and Stroke (Y.M., Y.E.-A., A.J.V., C.C.M., G.N., L.B.R., B.W., S.J., D.S.G., B.R.S., A.N.), National Institutes of Health, Bethesda, MD; Sackler Faculty of Medicine (Y.M.), Tel-Aviv University, Israel; Center for Infectious Disease Imaging (D.A.H.), Radiology and Imaging Sciences, Clinical Center, National Institutes of Health; and Vaccine Immunology Program (S.R.N., S.E.O.C., R.C., B.C.L., A.B.M.), Vaccine Research Center, National Institutes of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD
| | - Bryan R Smith
- From the National Institute of Neurological Disorders and Stroke (Y.M., Y.E.-A., A.J.V., C.C.M., G.N., L.B.R., B.W., S.J., D.S.G., B.R.S., A.N.), National Institutes of Health, Bethesda, MD; Sackler Faculty of Medicine (Y.M.), Tel-Aviv University, Israel; Center for Infectious Disease Imaging (D.A.H.), Radiology and Imaging Sciences, Clinical Center, National Institutes of Health; and Vaccine Immunology Program (S.R.N., S.E.O.C., R.C., B.C.L., A.B.M.), Vaccine Research Center, National Institutes of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD
| | - Avindra Nath
- From the National Institute of Neurological Disorders and Stroke (Y.M., Y.E.-A., A.J.V., C.C.M., G.N., L.B.R., B.W., S.J., D.S.G., B.R.S., A.N.), National Institutes of Health, Bethesda, MD; Sackler Faculty of Medicine (Y.M.), Tel-Aviv University, Israel; Center for Infectious Disease Imaging (D.A.H.), Radiology and Imaging Sciences, Clinical Center, National Institutes of Health; and Vaccine Immunology Program (S.R.N., S.E.O.C., R.C., B.C.L., A.B.M.), Vaccine Research Center, National Institutes of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD.
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19
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Komaroff AL, Lipkin WI. ME/CFS and Long COVID share similar symptoms and biological abnormalities: road map to the literature. Front Med (Lausanne) 2023; 10:1187163. [PMID: 37342500 PMCID: PMC10278546 DOI: 10.3389/fmed.2023.1187163] [Citation(s) in RCA: 55] [Impact Index Per Article: 55.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Accepted: 05/09/2023] [Indexed: 06/23/2023] Open
Abstract
Some patients remain unwell for months after "recovering" from acute COVID-19. They develop persistent fatigue, cognitive problems, headaches, disrupted sleep, myalgias and arthralgias, post-exertional malaise, orthostatic intolerance and other symptoms that greatly interfere with their ability to function and that can leave some people housebound and disabled. The illness (Long COVID) is similar to myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) as well as to persisting illnesses that can follow a wide variety of other infectious agents and following major traumatic injury. Together, these illnesses are projected to cost the U.S. trillions of dollars. In this review, we first compare the symptoms of ME/CFS and Long COVID, noting the considerable similarities and the few differences. We then compare in extensive detail the underlying pathophysiology of these two conditions, focusing on abnormalities of the central and autonomic nervous system, lungs, heart, vasculature, immune system, gut microbiome, energy metabolism and redox balance. This comparison highlights how strong the evidence is for each abnormality, in each illness, and helps to set priorities for future investigation. The review provides a current road map to the extensive literature on the underlying biology of both illnesses.
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Affiliation(s)
- Anthony L. Komaroff
- Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, United States
| | - W. Ian Lipkin
- Center for Infection and Immunity, Mailman School of Public Health, Vagelos College of Physicians and Surgeons of Columbia University, New York, NY, United States
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20
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Poole-Wright K, Guennouni I, Sterry O, Evans RA, Gaughran F, Chalder T. Fatigue outcomes following COVID-19: a systematic review and meta-analysis. BMJ Open 2023; 13:e063969. [PMID: 37185637 PMCID: PMC10151247 DOI: 10.1136/bmjopen-2022-063969] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Accepted: 03/06/2023] [Indexed: 05/17/2023] Open
Abstract
OBJECTIVES Fatigue is a pervasive clinical symptom in coronaviruses and may continue beyond the acute phase, lasting for several months or years. This systematic review and meta-analysis aimed to incorporate the current evidence for postinfection fatigue among survivors of SARS-CoV-2 and investigate associated factors. METHODS Embase, PsyINFO, Medline, CINAHL, CDSR, Open Grey, BioRxiv and MedRxiv were systematically searched from January 2019 to December 2021. Eligible records included all study designs in English. Outcomes were fatigue or vitality in adults with a confirmed diagnosis of SARS-CoV-2 measured at >30 days post infection. Non-confirmed cases were excluded. JBI risk of bias was assessed by three reviewers. Random effects model was used for the pooled proportion with 95% CIs. A mixed effects meta-regression of 35 prospective articles calculated change in fatigue overtime. Subgroup analyses explored specific group characteristics of study methodology. Heterogeneity was assessed using Cochran's Q and I2 statistic. Egger's tests for publication bias. RESULTS Database searches returned 14 262 records. Following deduplication and screening, 178 records were identified. 147 (n=48 466 participants) were included for the meta-analyses. Pooled prevalence was 41% (95% CI: 37% to 45%, k=147, I2=98%). Fatigue significantly reduced over time (-0.057, 95% CI: -107 to -0.008, k=35, I2=99.3%, p=0.05). A higher proportion of fatigue was found in studies using a valid scale (51%, 95% CI: 43% to 58%, k=36, I2=96.2%, p=0.004). No significant difference was found for fatigue by study design (p=0.272). Egger's test indicated publication bias for all analyses except valid scales. Quality assessments indicated 4% at low risk of bias, 78% at moderate risk and 18% at high risk. Frequently reported associations were female gender, age, physical functioning, breathlessness and psychological distress. CONCLUSION This study revealed that a significant proportion of survivors experienced fatigue following SARS-CoV-2 and their fatigue reduced overtime. Non-modifiable factors and psychological morbidity may contribute to ongoing fatigue and impede recovery. PROSPERO REGISTRATION NUMBER CRD42020201247.
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Affiliation(s)
- Kim Poole-Wright
- Psychological Medicine, King's College London, Institute of Psychiatry Psychology and Neuroscience, London, UK
| | | | - Olivia Sterry
- Psychological Medicine, King's College London, Institute of Psychiatry Psychology and Neuroscience, London, UK
| | - Rachael A Evans
- Department of Respiratory Sciences, University of Leicester, Leicester, UK
| | - Fiona Gaughran
- Psychosis Studies, King's College London, Institute of Psychiatry Psychology and Neuroscience, London, UK
- National Psychosis Service, South London and Maudsley NHS Foundation Trust, London, UK
| | - Trudie Chalder
- Psychological Medicine, King's College London, Institute of Psychiatry Psychology and Neuroscience, London, UK
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21
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Turner S, Khan MA, Putrino D, Woodcock A, Kell DB, Pretorius E. Long COVID: pathophysiological factors and abnormalities of coagulation. Trends Endocrinol Metab 2023; 34:321-344. [PMID: 37080828 PMCID: PMC10113134 DOI: 10.1016/j.tem.2023.03.002] [Citation(s) in RCA: 45] [Impact Index Per Article: 45.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 03/10/2023] [Accepted: 03/14/2023] [Indexed: 04/22/2023]
Abstract
Acute COVID-19 infection is followed by prolonged symptoms in approximately one in ten cases: known as Long COVID. The disease affects ~65 million individuals worldwide. Many pathophysiological processes appear to underlie Long COVID, including viral factors (persistence, reactivation, and bacteriophagic action of SARS CoV-2); host factors (chronic inflammation, metabolic and endocrine dysregulation, immune dysregulation, and autoimmunity); and downstream impacts (tissue damage from the initial infection, tissue hypoxia, host dysbiosis, and autonomic nervous system dysfunction). These mechanisms culminate in the long-term persistence of the disorder characterized by a thrombotic endothelialitis, endothelial inflammation, hyperactivated platelets, and fibrinaloid microclots. These abnormalities of blood vessels and coagulation affect every organ system and represent a unifying pathway for the various symptoms of Long COVID.
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Affiliation(s)
- Simone Turner
- Department of Physiological Sciences, Faculty of Science, Stellenbosch University, Stellenbosch, Private Bag X1, Matieland, 7602, South Africa
| | - M Asad Khan
- North West Lung Centre, Manchester University Hospitals, Manchester, M23 9LT, UK
| | - David Putrino
- Department of Rehabilitation and Human Performance, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Ashley Woodcock
- The University of Manchester, Oxford Road, Manchester, M13 9PL, UK; Manchester Academic Health Science Centre, CityLabs, Manchester, M13 9NQ, UK
| | - Douglas B Kell
- Department of Physiological Sciences, Faculty of Science, Stellenbosch University, Stellenbosch, Private Bag X1, Matieland, 7602, South Africa; Department of Biochemistry and Systems Biology, Institute of Systems, Molecular and Integrative Biology, Faculty of Health and Life Sciences, University of Liverpool, Crown St, Liverpool, L69 7ZB, UK; The Novo Nordisk Foundation Centre for Biosustainability, Building 220, Kemitorvet, Technical University of Denmark, 2800 Kongens Lyngby, Denmark.
| | - Etheresia Pretorius
- Department of Physiological Sciences, Faculty of Science, Stellenbosch University, Stellenbosch, Private Bag X1, Matieland, 7602, South Africa; Department of Biochemistry and Systems Biology, Institute of Systems, Molecular and Integrative Biology, Faculty of Health and Life Sciences, University of Liverpool, Crown St, Liverpool, L69 7ZB, UK.
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22
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Becker RC. Evaluating chest pain in patients with post COVID conditions permission to think outside of the box. J Thromb Thrombolysis 2023; 55:592-603. [PMID: 37052772 PMCID: PMC10098243 DOI: 10.1007/s11239-023-02808-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 04/05/2023] [Indexed: 04/14/2023]
Abstract
Chest pain is among the most common symptoms of post-COVID-19 Conditions (PCC) that prompts medical attention. Because the SARS-CoV-2 virus has proclivity for many organs and organ systems in the chest, ranging from the heart, lungs, great vessels, lymphatics, and peripheral nerves, clinicians evaluating patients with chest pain must consider a broad differential diagnosis and take a comprehensive approach to management.
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23
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Suh J, Amato A. Neuromuscular Complications of COVID-19: Evidence from the Third Year of the Global Pandemic. Semin Neurol 2023. [DOI: 10.1055/s-0043-1767711] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
Abstract
AbstractAccumulating evidence in the third year of the global pandemic suggests that coronavirus disease 2019 (COVID-19) can cause neuromuscular complications during or after the acute phase of infection. Direct viral infection and immune-mediated mechanisms have been hypothesized. Furthermore, in patients with underlying autoimmune neuromuscular diseases, COVID-19 infection may trigger a disease flare. COVID-19 vaccines appear to be safe and effective at preventing severe illness from COVID-19. Certain vaccines are associated with an increased risk of Guillain-Barré syndrome and possibly Bell's palsy, but the absolute incidence is low, and benefits likely outweigh the risks. Newer prophylactic therapies and treatments are also becoming available for patients who may not mount a sufficient response to vaccination or have contraindications. In this article, we discuss the current available evidence on neuromuscular complications of COVID-19 and clinical considerations regarding vaccination.
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Affiliation(s)
- Joome Suh
- Department of Neurology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
| | - Anthony Amato
- Department of Neurology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
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Durstenfeld MS, Peluso MJ, Kaveti P, Hill C, Li D, Sander E, Swaminathan S, Arechiga VM, Lu S, Goldberg SA, Hoh R, Chenna A, Yee BC, Winslow JW, Petropoulos CJ, Kelly JD, Glidden DV, Henrich TJ, Martin JN, Lee YJ, Aras MA, Long CS, Grandis DJ, Deeks SG, Hsue PY. Reduced exercise capacity, chronotropic incompetence, and early systemic inflammation in cardiopulmonary phenotype Long COVID. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2023:2022.05.17.22275235. [PMID: 35677073 PMCID: PMC9176659 DOI: 10.1101/2022.05.17.22275235] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/18/2023]
Abstract
BACKGROUND Mechanisms underlying persistent cardiopulmonary symptoms following SARS-CoV-2 infection (post-acute sequelae of COVID-19 "PASC" or "Long COVID") remain unclear. This study sought to elucidate mechanisms of cardiopulmonary symptoms and reduced exercise capacity using advanced cardiac testing. METHODS We performed cardiopulmonary exercise testing (CPET), cardiac magnetic resonance imaging (CMR) and ambulatory rhythm monitoring among adults > 1 year after confirmed SARS-CoV-2 infection in Long-Term Impact of Infection with Novel Coronavirus cohort (LIINC; substudy of NCT04362150 ). Adults who completed a research echocardiogram (at a median 6 months after SARS-CoV-2 infection) without evidence of heart failure or pulmonary hypertension were asked to complete additional cardiopulmonary testing approximately 1 year later. Although participants were recruited as a prospective cohort, to account for selection bias, the primary analyses were as a case-control study comparing those with and without persistent cardiopulmonary symptoms. We also correlated findings with previously measured biomarkers. We used logistic regression and linear regression models to adjust for potential confounders including age, sex, body mass index, time since SARS-CoV-2 infection, and hospitalization for acute SARS-CoV-2 infection, with sensitivity analyses adjusting for medical history. RESULTS Sixty participants (unselected for symptoms, median age 53, 42% female, 87% non- hospitalized) were studied at median 17.6 months following SARS-CoV-2 infection. On maximal CPET, 18/37 (49%) with symptoms had reduced exercise capacity (peak VO 2 <85% predicted) compared to 3/19 (16%) without symptoms (p=0.02). The adjusted peak VO 2 was 5.2 ml/kg/min (95%CI 2.1-8.3; p=0.001) or 16.9% lower actual compared to predicted (95%CI 4.3- 29.6; p=0.02) among those with symptoms compared to those without symptoms. Chronotropic incompetence was present among 12/21 (57%) with reduced VO 2 including 11/37 (30%) with symptoms and 1/19 (5%) without (p=0.04). Inflammatory markers (hsCRP, IL-6, TNF-α) and SARS-CoV-2 antibody levels measured early in PASC were negatively correlated with peak VO 2 more than 1 year later. Late-gadolinium enhancement on CMR and arrhythmias on ambulatory monitoring were not present. CONCLUSIONS We found evidence of objectively reduced exercise capacity among those with cardiopulmonary symptoms more than 1 year following COVID-19, which was associated with elevated inflammatory markers early in PASC. Chronotropic incompetence may explain exercise intolerance among some with cardiopulmonary phenotype Long COVID. Key Points Long COVID symptoms were associated with reduced exercise capacity on cardiopulmonary exercise testing more than 1 year after SARS-CoV-2 infection. The most common abnormal finding was chronotropic incompetence. Reduced exercise capacity was associated with early elevations in inflammatory markers.
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Van der Feltz-Cornelis CM, Moriarty AS, Strain WD. Neurological Dysfunction in Long COVID Should Not Be Labelled as Functional Neurological Disorder. Viruses 2023; 15:783. [PMID: 36992491 PMCID: PMC10059786 DOI: 10.3390/v15030783] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Accepted: 03/17/2023] [Indexed: 03/22/2023] Open
Abstract
There have been suggestions that Long COVID might be purely functional (meaning psychological) in origin. Labelling patients with neurological dysfunction in Long COVID as having functional neurological disorder (FND) in the absence of proper testing may be symptomatic of that line of thought. This practice is problematic for Long COVID patients, as motor and balance symptoms have been reported to occur in Long COVID frequently. FND is characterized by the presentation of symptoms that seem neurological but lack compatibility of the symptom with a neurological substrate. Although diagnostic classification according to the ICD-11 and DSM-5-TR is dependent predominantly on the exclusion of any other medical condition that could account for the symptoms, current neurological practice of FND classification allows for such comorbidity. As a consequence, Long COVID patients with motor and balance symptoms mislabeled as FND have no longer access to Long COVID care, whereas treatment for FND is seldom provided and is ineffective. Research into underlying mechanisms and diagnostic methods should explore how to determine whether motor and balance symptoms currently diagnosed as FND should be considered one part of Long COVID symptoms, in other words, one component of symptomatology, and in which cases they correctly represent FND. Research into rehabilitation models, treatment and integrated care are needed, which should take into account biological underpinnings as well as possible psychological mechanisms and the patient perspective.
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Affiliation(s)
| | - Andrew S. Moriarty
- Department of Health Sciences, Hull York Medical School, (HYMS), University of York, York YO10 5DD, UK
| | - William David Strain
- Diabetes and Vascular Medicine Research Centre, Institute of Biomedical and Clinical Science, College of Medicine and Health, University of Exeter, Exeter EX2 5AX, UK
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Bernas SN, Baldauf H, Real R, Sauter J, Markert J, Trost S, Tausche K, Behrends U, Schmidt AH, Schetelig J. Post-COVID-19 condition in the German working population: A cross-sectional study of 200,000 registered stem cell donors. J Intern Med 2023; 293:354-370. [PMID: 36373223 PMCID: PMC10107314 DOI: 10.1111/joim.13587] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND The SARS-CoV-2 pandemic has strained health systems worldwide, and infection numbers continue to rise. While previous data have already shown that many patients suffer from symptoms for months after an acute infection, data on risk factors and long-term outcomes are incomplete, particularly for the working population. OBJECTIVES We aimed to provide information on the prevalence of post-COVID-19 conditions in a subset of the German working-age population (18-61 years old) and to analyze risk factors. METHODS We conducted an online survey with a health questionnaire among registered potential stem cell donors with or without a self-reported history of polymerase chain reaction (PCR)-confirmed SARS-CoV-2 infection. Logistic regression models were used to examine the risks of severity of acute infection, sex, age, body mass index, diabetes mellitus, and arterial hypertension medication on post-COVID-19 symptoms. RESULTS A total of 199,377 donors reported evaluable survey questionnaires-12,609 cases had a history of SARS-CoV-2 infection and 186,768 controls had none. Overall, cases reported physical, cognitive, and psychological complaints more frequently compared to controls. Increased rates of complaints persisted throughout 15 months postinfection, for example, 28.4%/19.3% of cases/controls reported fatigue (p <0.0001) and 9.5%/3.6% of cases/controls reported loss of concentration (p <0.0001). No significant differences were observed in the frequency of reported symptoms between 3 and 15 months postinfection. Multivariate analysis revealed a strong influence of the severity of the acute SARS-CoV-2 infection episode and age on the risk for post-COVID-19 conditions. CONCLUSION We report the prevalence of post-COVID-19 conditions in mainly unvaccinated individuals with SARS-CoV-2 infections between February 2020 and August 2021. The severity of the acute course and age were major risk factors. Vaccinations may reduce the risk of post-COVID-19 conditions by reducing the risk of severe infections.
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Affiliation(s)
| | | | - Ruben Real
- DKMS, Clinical Trials Unit, Dresden, Germany
| | | | - Jan Markert
- DKMS, Stem Cell Donor Registry, Tübingen, Germany
| | - Sarah Trost
- DKMS, Clinical Trials Unit, Dresden, Germany
| | - Kristin Tausche
- Division of Pulmonology, Department of Internal Medicine I, University Hospital Carl Gustav Carus, TU Dresden, Dresden, Germany
| | - Uta Behrends
- School of Medicine, Department of Pediatrics, MRI Chronic Fatigue Center for Young People, Technical University of Munich, Munich, Germany
| | - Alexander H Schmidt
- DKMS, Stem Cell Donor Registry, Tübingen, Germany.,DKMS, Clinical Trials Unit, Dresden, Germany
| | - Johannes Schetelig
- DKMS, Clinical Trials Unit, Dresden, Germany.,Division of Stem Cell Transplantation, Department of Internal Medicine I, University Hospital Carl Gustav Carus, TU Dresden, Dresden, Germany
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Davis HE, McCorkell L, Vogel JM, Topol EJ. Long COVID: major findings, mechanisms and recommendations. Nat Rev Microbiol 2023; 21:133-146. [PMID: 36639608 PMCID: PMC9839201 DOI: 10.1038/s41579-022-00846-2] [Citation(s) in RCA: 1100] [Impact Index Per Article: 1100.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/05/2022] [Indexed: 01/15/2023]
Abstract
Long COVID is an often debilitating illness that occurs in at least 10% of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infections. More than 200 symptoms have been identified with impacts on multiple organ systems. At least 65 million individuals worldwide are estimated to have long COVID, with cases increasing daily. Biomedical research has made substantial progress in identifying various pathophysiological changes and risk factors and in characterizing the illness; further, similarities with other viral-onset illnesses such as myalgic encephalomyelitis/chronic fatigue syndrome and postural orthostatic tachycardia syndrome have laid the groundwork for research in the field. In this Review, we explore the current literature and highlight key findings, the overlap with other conditions, the variable onset of symptoms, long COVID in children and the impact of vaccinations. Although these key findings are critical to understanding long COVID, current diagnostic and treatment options are insufficient, and clinical trials must be prioritized that address leading hypotheses. Additionally, to strengthen long COVID research, future studies must account for biases and SARS-CoV-2 testing issues, build on viral-onset research, be inclusive of marginalized populations and meaningfully engage patients throughout the research process.
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Affiliation(s)
| | | | - Julia Moore Vogel
- Scripps Research Translational Institute, Scripps Research, La Jolla, CA, USA
| | - Eric J Topol
- Scripps Research Translational Institute, Scripps Research, La Jolla, CA, USA.
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Jammoul M, Naddour J, Madi A, Reslan MA, Hatoum F, Zeineddine J, Abou-Kheir W, Lawand N. Investigating the possible mechanisms of autonomic dysfunction post-COVID-19. Auton Neurosci 2023; 245:103071. [PMID: 36580747 PMCID: PMC9789535 DOI: 10.1016/j.autneu.2022.103071] [Citation(s) in RCA: 22] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2022] [Revised: 12/10/2022] [Accepted: 12/20/2022] [Indexed: 12/25/2022]
Abstract
Patients with long COVID suffer from many neurological manifestations that persist for 3 months following infection by SARS-CoV-2. Autonomic dysfunction (AD) or dysautonomia is one complication of long COVID that causes patients to experience fatigue, dizziness, syncope, dyspnea, orthostatic intolerance, nausea, vomiting, and heart palpitations. The pathophysiology behind AD onset post-COVID is largely unknown. As such, this review aims to highlight the potential mechanisms by which AD occurs in patients with long COVID. The first proposed mechanism includes the direct invasion of the hypothalamus or the medulla by SARS-CoV-2. Entry to these autonomic centers may occur through the neuronal or hematogenous routes. However, evidence so far indicates that neurological manifestations such as AD are caused indirectly. Another mechanism is autoimmunity whereby autoantibodies against different receptors and glycoproteins expressed on cellular membranes are produced. Additionally, persistent inflammation and hypoxia can work separately or together to promote sympathetic overactivation in a bidirectional interaction. Renin-angiotensin system imbalance can also drive AD in long COVID through the downregulation of relevant receptors and formation of autoantibodies. Understanding the pathophysiology of AD post-COVID-19 may help provide early diagnosis and better therapy for patients.
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Affiliation(s)
- Maya Jammoul
- Department of Anatomy, Cell Biology and Physiological Sciences, Faculty of Medicine, American University of Beirut, Lebanon
| | - Judith Naddour
- Department of Anatomy, Cell Biology and Physiological Sciences, Faculty of Medicine, American University of Beirut, Lebanon
| | - Amir Madi
- Department of Biomedicine, Neuroscience and Advanced Diagnostics (BIND), University of Palermo, 90127 Palermo, Italy
| | - Mohammad Amine Reslan
- Department of Biochemistry and Molecular Genetics, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
| | - Firas Hatoum
- Faculty of Medicine, American University of Beirut, Lebanon
| | | | - Wassim Abou-Kheir
- Department of Anatomy, Cell Biology and Physiological Sciences, Faculty of Medicine, American University of Beirut, Lebanon
| | - Nada Lawand
- Department of Anatomy, Cell Biology and Physiological Sciences, Faculty of Medicine, American University of Beirut, Lebanon; Department of Neurology, Faculty of Medicine, American University of Beirut, Lebanon.
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Espinosa-Gonzalez AB, Master H, Gall N, Halpin S, Rogers N, Greenhalgh T. Orthostatic tachycardia after covid-19. BMJ 2023; 380:e073488. [PMID: 36828559 DOI: 10.1136/bmj-2022-073488] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/26/2023]
Affiliation(s)
| | - Harsha Master
- Lead covid assessment and rehabilitation service, Hertfordshire Community NHS Trust, UK
| | | | - Stephen Halpin
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, UK
| | | | - Trisha Greenhalgh
- Nuffield Department of Primary Care Health Sciences, University of Oxford, UK
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COVID-19-Related Neuropathic Pain: A Systematic Review and Meta-Analysis. J Clin Med 2023; 12:jcm12041672. [PMID: 36836207 PMCID: PMC9966617 DOI: 10.3390/jcm12041672] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 01/23/2023] [Accepted: 02/07/2023] [Indexed: 02/22/2023] Open
Abstract
INTRODUCTION SARS-CoV-2, responsible for the coronavirus disease (COVID-19) pandemic, may impact other systems apart from the respiratory system, including the nervous system. In this systematic review, we aimed to establish the prevalence and determinants of neuropathic pain amongst COVID-19-infected individuals. METHODOLOGY A literature search in the PubMed database was performed and 11 papers were eligible for inclusion in this systematic review and meta-analysis. RESULTS The pooled prevalence of COVID-19-related neuropathic pain was 6.7% (95% CI: 4.7-9.5%) for hospitalised patients during the acute phase and 34.3% (95% CI: 14.3-62%) for long COVID patients. The identified risk factors for COVID-19-related neuropathic pain development included depression, COVID-19 severity and azithromycin use. CONCLUSIONS Neuropathic pain is a very common symptom in long COVID, indicating the urgency for further research in this direction.
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Patterson BK, Yogendra R, Guevara-Coto J, Mora-Rodriguez RA, Osgood E, Bream J, Parikh P, Kreimer M, Jeffers D, Rutland C, Kaplan G, Zgoda M. Case series: Maraviroc and pravastatin as a therapeutic option to treat long COVID/Post-acute sequelae of COVID (PASC). Front Med (Lausanne) 2023; 10:1122529. [PMID: 36844201 PMCID: PMC9944830 DOI: 10.3389/fmed.2023.1122529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Accepted: 01/23/2023] [Indexed: 02/11/2023] Open
Abstract
Post-acute sequelae of COVID (PASC), or long COVID, is a multisystem complication of SARS-CoV-2 infection that continues to debilitate millions worldwide thus highlighting the public health importance of identifying effective therapeutics to alleviate this illness. One explanation behind PASC may be attributed to the recent discovery of persistent S1 protein subunit of SARS-CoV-2 in CD16+ monocytes up to 15 months after infection. CD16+ monocytes, which express both CCR5 and fractalkine receptors (CX3CR1), play a role in vascular homeostasis and endothelial immune surveillance. We propose targeting these receptors using the CCR5 antagonist, maraviroc, along with pravastatin, a fractalkine inhibitor, could disrupt the monocytic-endothelial-platelet axis that may be central to the etiology of PASC. Using five validated clinical scales (NYHA, MRC Dyspnea, COMPASS-31, modified Rankin, and Fatigue Severity Score) to measure 18 participants' response to treatment, we observed significant clinical improvement in 6 to 12 weeks on a combination of maraviroc 300 mg per oral twice a day and pravastatin 10 mg per oral daily. Subjective neurological, autonomic, respiratory, cardiac and fatigue symptoms scores all decreased which correlated with statistically significant decreases in vascular markers sCD40L and VEGF. These findings suggest that by interrupting the monocytic-endothelial-platelet axis, maraviroc and pravastatin may restore the immune dysregulation observed in PASC and could be potential therapeutic options. This sets the framework for a future double-blinded, placebo-controlled randomized trial to further investigate the drug efficacy of maraviroc and pravastatin in treating PASC.
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Affiliation(s)
| | - Ram Yogendra
- Department of Anesthesiology, Beth Israel Lahey Health, Burlington, MA, United States
| | - Jose Guevara-Coto
- Centro de Investigación en Cirugía y Cáncer (CICICA), Universidad de Costa Rica, San Jose, Costa Rica
| | - Rodrigo A. Mora-Rodriguez
- Lab of Tumor Chemosensitivity, CIET/DC Lab, Faculty of Microbiology, Universidad de Costa Rica, San Jose, Costa Rica
| | - Eric Osgood
- Department of Medicine, St. Francis Medical Center, Trenton, NJ, United States
| | - John Bream
- Department of Emergency Medicine, Novant Health Kernersville Medical Center, Kernersville, NC, United States
| | - Purvi Parikh
- Department of Allergy and Immunology, NYU Langone Tisch Hospital, New York, NY, United States
| | - Mark Kreimer
- Department of Emergency Medicine, New York Presbyterian Hospital, Brooklyn, NY, United States
| | - Devon Jeffers
- Department of Anesthesiology, Stamford Hospital, Stamford, CT, United States
| | | | - Gary Kaplan
- Department of Community and Family Medicine, Georgetown University Medical Center, Washington, DC, United States
| | - Michael Zgoda
- Department of Medicine, Creighton University School of Medicine, Phoenix, AZ, United States
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Takao M, Ohira M. Neurological post-acute sequelae of SARS-CoV-2 infection. Psychiatry Clin Neurosci 2023; 77:72-83. [PMID: 36148558 PMCID: PMC9538807 DOI: 10.1111/pcn.13481] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 08/30/2022] [Accepted: 09/14/2022] [Indexed: 11/29/2022]
Abstract
The novel coronavirus disease 19 (COVID-19), caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), can have two phases: acute (generally 4 weeks after onset) and chronic (>4 weeks after onset). Both phases include a wide variety of signs and symptoms including neurological and psychiatric symptoms. The signs and symptoms that are considered sequelae of COVID-19 are termed post-COVID condition, long COVID-19, and post-acute sequelae of SARS-CoV-2 infection (PASC). PASC symptoms include fatigue, dyspnea, palpitation, dysosmia, subfever, hypertension, alopecia, sleep problems, loss of concentration, amnesia, numbness, pain, gastrointestinal symptoms, depression, and anxiety. Because the specific pathophysiology of PASC has not yet been clarified, there are no definite criteria of the condition, hence the World Health Organization's definition is quite broad. Consequently, it is difficult to correctly diagnose PASC. Approximately 50% of patients may show at least one PASC symptom up to 12 months after COVID-19 infection; however, the exact prevalence of PASC has not been determined. Despite extensive research in progress worldwide, there are currently no clear diagnostic methodologies or treatments for PASC. In this review, we discuss the currently available information on PASC and highlight the neurological sequelae of COVID-19 infection. Furthermore, we provide clinical suggestions for diagnosing and caring for patients with PASC based on our outpatient clinic experience.
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Affiliation(s)
- Masaki Takao
- Department of Clinical Laboratory and Internal Medicine, National Center of Neurology and Psychiatry (NCNP), National Center Hospital, Tokyo, Japan
| | - Masayuki Ohira
- Department of Clinical Laboratory and Internal Medicine, National Center of Neurology and Psychiatry (NCNP), National Center Hospital, Tokyo, Japan
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Gemignani F, Bellanova MF, Saccani E. Long-COVID phenotypes and small fiber neuropathy. J Neurol Sci 2023; 444:120490. [PMID: 36462223 DOI: 10.1016/j.jns.2022.120490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Accepted: 11/02/2022] [Indexed: 11/10/2022]
Affiliation(s)
| | - Maria F Bellanova
- Laboratory of Neuromuscular Histopathology, Department of Medicine and Surgery, University of Parma, Italy
| | - Elena Saccani
- Neurology Unit, Department of Specialized Medicine, University Hospital of Parma, Italy
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Di Stefano G, Falco P, Galosi E, Di Pietro G, Leone C, Truini A. A systematic review and meta-analysis of neuropathic pain associated with coronavirus disease 2019. Eur J Pain 2023; 27:44-53. [PMID: 36367322 PMCID: PMC9877974 DOI: 10.1002/ejp.2055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 11/04/2022] [Accepted: 11/10/2022] [Indexed: 11/13/2022]
Abstract
BACKGROUND AND OBJECTIVE Neuropathic pain is an occasionally reported complication of coronavirus disease 2019 (COVID-19) that has received increased attention in scientific literature. In this systematic review and meta-analysis, we aimed to provide information on the frequency of neuropathic pain associated with COVID-19. DATABASES AND DATA TREATMENT We systematically reviewed and analysed literature regarding neuropathic pain associated with COVID-19. Literature searches were conducted in PubMed, EMBASE and Cochrane Library databases. We considered prospective and retrospective studies published up until September 2022 (limitations included English language, full-text publications and studies including at least 10 patients). A random effects meta-analysis was performed and heterogeneity and publication bias were assessed. RESULTS We identified 149 studies. We included 17 studies in the systematic review, and six studies reporting the frequency of neuropathic pain in the acute/subacute phase of COVID-19 in the meta-analysis. The estimated frequency of neuropathic pain ranged between 0.4 and 25%. Forest plot analysis showed that the random effect overall frequency was 10% (95% confidence interval: 5%-15%), with a high level of heterogeneity (Chi2 = 104; Tau2 = 0.004; df = 5; I2 = 95%; test for overall effect: Z = 3.584; p < 0.0005). The overall risk of bias was moderate in all studies selected, particularly due to the poor description of neuropathic pain diagnostic criteria. CONCLUSIONS The pooled estimated frequency of neuropathic pain associated with COVID-19 should be considered with caution due to the high heterogeneity across studies and the poor description of the neuropathic pain diagnostic criteria applied. SIGNIFICANCE Emerging evidence supports the development of neuropathic pain as a complication of COVID-19. However, longitudinal studies enrolling consecutive patients with COVID-19 that detail the diagnostic criteria for neuropathic pain are needed to better assess the frequency of this condition.
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Affiliation(s)
| | - Pietro Falco
- Department of Human NeuroscienceSapienza UniversityRomeItaly
| | - Eleonora Galosi
- Department of Human NeuroscienceSapienza UniversityRomeItaly
| | | | - Caterina Leone
- Department of Human NeuroscienceSapienza UniversityRomeItaly
| | - Andrea Truini
- Department of Human NeuroscienceSapienza UniversityRomeItaly
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Autonomic Nerve Involvement in Post-Acute Sequelae of SARS-CoV-2 Syndrome (PASC). J Clin Med 2022; 12:jcm12010073. [PMID: 36614874 PMCID: PMC9821608 DOI: 10.3390/jcm12010073] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2022] [Revised: 12/09/2022] [Accepted: 12/10/2022] [Indexed: 12/24/2022] Open
Abstract
The novel SARS-CoV-2 virus and resulting COVID-19 global pandemic emerged in 2019 and continues into 2022. While mortality from COVID-19 is slowly declining, a subset of patients have developed chronic, debilitating symptoms following complete recovery from acute infection with COVID-19. Termed as post-acute sequelae of SARS-CoV-2 syndrome (PASC), the underlying pathophysiology of PASC is still not well understood. Given the similarity between the clinical phenotypes of PASC and postural orthostatic tachycardia syndrome (POTS), it has been postulated that dysautonomia may play a role in the pathophysiology of PASC. However, there have been only a few studies that have examined autonomic function in PASC. In this retrospective study, we performed an analysis of autonomic nerve function testing in PASC patients and compared the results with those of POTS patients and healthy controls. Our results suggest that a significant number of PASC patients have abnormal autonomic function tests, and their clinical features are indistinguishable from POTS.
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Wirth KJ, Löhn M. Orthostatic Intolerance after COVID-19 Infection: Is Disturbed Microcirculation of the Vasa Vasorum of Capacitance Vessels the Primary Defect? Medicina (B Aires) 2022; 58:medicina58121807. [PMID: 36557009 PMCID: PMC9788017 DOI: 10.3390/medicina58121807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 12/02/2022] [Accepted: 12/06/2022] [Indexed: 12/13/2022] Open
Abstract
Following COVID-19 infection, a substantial proportion of patients suffer from persistent symptoms known as Long COVID. Among the main symptoms are fatigue, cognitive dysfunction, muscle weakness and orthostatic intolerance (OI). These symptoms also occur in myalgic encephalomyelitis/chronic fatigue (ME/CFS). OI is highly prevalent in ME/CFS and develops early during or after acute COVID-19 infection. The causes for OI are unknown and autonomic dysfunction is hypothetically assumed to be the primary cause, presumably as a consequence of neuroinflammation. Here, we propose an alternative, primary vascular mechanism as the underlying cause of OI in Long COVID. We assume that the capacitance vessel system, which plays a key role in physiologic orthostatic regulation, becomes dysfunctional due to a disturbance of the microvessels and the vasa vasorum, which supply large parts of the wall of those large vessels. We assume that the known microcirculatory disturbance found after COVID-19 infection, resulting from endothelial dysfunction, microthrombus formation and rheological disturbances of blood cells (altered deformability), also affects the vasa vasorum to impair the function of the capacitance vessels. In an attempt to compensate for the vascular deficit, sympathetic activity overshoots to further worsen OI, resulting in a vicious circle that maintains OI. The resulting orthostatic stress, in turn, plays a key role in autonomic dysfunction and the pathophysiology of ME/CFS.
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Long COVID and rheumatology: Clinical, diagnostic, and therapeutic implications. Best Pract Res Clin Rheumatol 2022; 36:101794. [PMID: 36369208 PMCID: PMC9641578 DOI: 10.1016/j.berh.2022.101794] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
As of this writing, it is estimated that there have been nearly 600 million cases of coronavirus disease 2019 (COVID-19) around the world with over six million deaths. While shocking, these figures do not fully illustrate the morbidity associated with this disease. It is also estimated that between 10% and 30% of those who survive COVID-19 develop persistent symptoms after the acute infection has passed. These individuals, who most often experienced initial infections with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) considered mild to moderate in severity, often display a broad array of symptoms. Collectively, this disorder or syndrome is now referred to as Long COVID (among other designations), and it represents a national/international health crisis. The most frequently reported symptoms associated with Long COVID include chronic fatigue with post exertional features, neurocognitive dysfunction, breathlessness, and somatic pain. Long COVID can range in severity from mild to severely debilitating, with resultant loss of quality of life and productivity. For now, there are many unanswered questions surrounding Long COVID: how can it be best defined, what is needed for accurate diagnosis, what is causing it, and how should it be best managed. How rheumatologists will engage in the Long COVID pandemic is another question; at the minimum, we will be called upon to evaluate and manage our own patients with immune-mediated inflammatory diseases who have developed it. This review focuses on addressing the disease essentials, providing both declarative and procedural knowledge to prepare rheumatologists for how to address Long COVID: understanding its origins, its current case definitions, epidemiology, pathobiology and clinical manifestations. Finally, it will provide an outline on how to clinically approach patients with possible Long COVID and initiate treatment and/or guide them on how to best manage it.
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Haykal MA, Menkes DL. The Clinical Neurophysiology of COVID-19- Direct Infection, Long-Term Sequelae and Para-Immunization responses: A literature review. Clin Neurophysiol Pract 2022; 8:3-11. [PMID: 36275861 PMCID: PMC9574576 DOI: 10.1016/j.cnp.2022.09.005] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Revised: 08/29/2022] [Accepted: 09/09/2022] [Indexed: 11/06/2022] Open
Abstract
The COVID-19 pandemic resulting from the SARS-CoV-2 virus is in its third year. There is continuously evolving information regarding its pathophysiology and its effects on the nervous system. Clinical neurophysiology techniques are commonly employed to assess for neuroanatomical localization and/or defining the spectrum of neurological illness. There is an evolving body of literature delineating the effects of the SARS-CoV-2 virus on the nervous system as well as para-immunization responses to vaccination against this virus. This review focuses on the use of neurophysiological diagnostic modalities in the evaluation of potential acute and long-term neurological complications in patients that experience direct infection with SARS-CoV-2 and analyzes those reports of para-immunization responses to vaccination against the SARS-CoV-2 virus. The neurophysiological modalities to be discussed include electroencephalography (EEG), evoked potentials (EPs), nerve conduction studies and electromyography (EMG/NCV), autonomic function tests, transcranial magnetic stimulation (TMS) and Transcranial Doppler ultrasound (TCD).
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Schulze H, Charles James J, Trampe N, Richter D, Pakeerathan T, Siems N, Ayzenberg I, Gold R, Faissner S. Cross-sectional analysis of clinical aspects in patients with long-COVID and post-COVID syndrome. Front Neurol 2022; 13:979152. [PMID: 36313487 PMCID: PMC9614029 DOI: 10.3389/fneur.2022.979152] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Accepted: 09/23/2022] [Indexed: 12/04/2022] Open
Abstract
Objective Regarding pathogenesis, clinical manifestations, at-risk individuals, and diagnostic methods for stratifying patients for therapeutic approaches, our understanding of post-COVID syndrome is limited. Here, we set out to assess sociodemographic and clinical aspects in patients with the long-COVID and post-COVID syndrome. Methods We performed a cross-sectional analysis of patients presenting at our specialized university hospital outpatient clinic. We assessed patients' clinical presentation, fatigue, symptoms of depression and anxiety, and impairment of smell. Results A total of 101 patients were included (73.3% female), of whom 78.2% had a mild course of COVID-19. At presentation, 93.1% suffered from fatigue, 82.2% from impaired concentration, and 79.2% from impaired memory, 53.5% had impaired sleep. The most common secondary diagnosis found in our cohort was thyroid disease. Fatigue analysis showed that 81.3% of female and 58.8% of male patients had severe combined fatigue. Female gender was an independent risk factor for severe fatigue (severe cognitive fatigue OR = 8.045, p = 0.010; severe motor fatigue OR = 7.698, p = 0.013). Males suffered from more depressive symptoms, which correlated positively with the duration of symptom onset. 70.3% of patients with anamnestic smell impairment had hyposmia, and 18.9% were anosmic. Interpretation Most long-COVID patients suffered from severe fatigue, with the female sex as an independent risk factor. Fatigue was not associated with symptoms of depression or anxiety. Patients with long-COVID symptoms should receive an interdisciplinary diagnostic and therapeutic approach depending on the clinical presentation.
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Marcic M, Marcic L, Lovric Kojundzic S, Marinovic Guic M, Marcic B, Caljkusic K. Chronic Endothelial Dysfunction after COVID-19 Infection Shown by Transcranial Color-Coded Doppler: A Cross-Sectional Study. Biomedicines 2022; 10:biomedicines10102550. [PMID: 36289812 PMCID: PMC9599030 DOI: 10.3390/biomedicines10102550] [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: 09/02/2022] [Revised: 10/09/2022] [Accepted: 10/10/2022] [Indexed: 11/16/2022] Open
Abstract
In addition to respiratory symptoms, COVID-19 often causes damage to many other organs, especially in severe forms of the disease. Long-term consequences after COVID-19 are common and often have neurological symptoms. Cerebral vasoreactivity may be impaired after acute COVID-19 and in our study, we wanted to show how constant and reversible are the changes in brain vasoreactivity after infection. This cross-sectional observational study included 49 patients diagnosed with COVID-19 and mild neurological symptoms 300 days after the onset of the disease. We used a transcranial color-coded Doppler (TCCD) and a breath-holding test (BHT) to examine cerebral vasoreactivity and brain endothelial function. We analyzed the parameters of the flow rate through the middle cerebral artery (MCA): peak systolic velocity (PSV), end-diastolic velocity (EDV), mean velocity (MV), resistance index (RI) and pulsatility index (PI), and we calculated the breath-holding index (BHI). Subjects after COVID-19 infection had lower measured velocity parameters through MCA at rest period and after BHT, lower relative increases of flow velocities after BHT, and lower BHI. We showed that subjects, 300 days after COVID-19, still have impaired cerebral vasoreactivity measured by TCCD and they have chronic endothelial dysfunction.
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Affiliation(s)
- Marino Marcic
- Department of Neurology, University Hospital Center Split, Spinciceva 1, 21000 Split, Croatia
- Correspondence:
| | - Ljiljana Marcic
- Department of Radiology, Polyclinic Medikol, Soltanska 1, 21000 Split, Croatia
- University Department of Health Studies, University of Split, Rudera Boskovica 35, 21000 Split, Croatia
| | - Sanja Lovric Kojundzic
- Department of Radiology, University Hospital Center Split, Spinciceva 1, 21000 Split, Croatia
| | - Maja Marinovic Guic
- University Department of Health Studies, University of Split, Rudera Boskovica 35, 21000 Split, Croatia
- Department of Radiology, University Hospital Center Split, Spinciceva 1, 21000 Split, Croatia
| | - Barbara Marcic
- Department of Medical Genetics, School of Medicine, University of Mostar, 88000 Mostar, Bosnia and Herzegovina
| | - Kresimir Caljkusic
- Department of Neurology, University Hospital Center Split, Spinciceva 1, 21000 Split, Croatia
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Hoeijmakers JGJ, Merkies ISJ, Faber CG. Small fiber neuropathies: expanding their etiologies. Curr Opin Neurol 2022; 35:545-552. [PMID: 35950732 DOI: 10.1097/wco.0000000000001103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
PURPOSE OF REVIEW Several conditions have been associated with the development of small fiber neuropathy (SFN). The list of metabolic, immune-mediated, infectious, toxic, drugs-related, and hereditary conditions is still growing and various hypotheses are made about the underlying pathophysiological mechanisms. Understanding these processes is important to provide new targets for treatment. In addition, the specific SFN phenotype can provide direction for the underlying etiology. This review discusses the latest developments concerning the expanding etiologies in SFN. RECENT FINDINGS In the past 18 months, special attention has been paid to immunological etiologies, partly due to the coronavirus disease 2019 pandemic, but also new auto-antibodies in SFN have been demonstrated. Identifying patients with immune-mediated SFN can be challenging, since contrary to the classical distal sensory phenotype, a nonlength-dependent pattern is more common.Besides the etiologies of classical SFN, small fiber pathology is increasingly described in diseases without the typical neuropathic pain features of SFN, sometimes called syndromic SFN. However, the clinical relevance is not yet fully understood. SUMMARY The expansion of the etiologies of SFN continues and brings more insight in possible targets for treatment. The clinical presentation may vary as a result of the underlying condition.
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Affiliation(s)
- Janneke G J Hoeijmakers
- Department of Neurology, Maastricht University Medical Center+, Maastricht
- MHeNS, School for Mental Health and Neuroscience, Maastricht University, The Netherlands
| | - Ingemar S J Merkies
- Department of Neurology, Maastricht University Medical Center+, Maastricht
- MHeNS, School for Mental Health and Neuroscience, Maastricht University, The Netherlands
- Curaçao Medical Center, Willemstad, Curaçao
| | - Catharina G Faber
- Department of Neurology, Maastricht University Medical Center+, Maastricht
- MHeNS, School for Mental Health and Neuroscience, Maastricht University, The Netherlands
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Network autonomic analysis of post-acute sequelae of COVID-19 and postural tachycardia syndrome. Neurol Sci 2022; 43:6627-6638. [PMID: 36169757 PMCID: PMC9517969 DOI: 10.1007/s10072-022-06423-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Accepted: 09/21/2022] [Indexed: 11/30/2022]
Abstract
Background The autonomic nervous system (ANS) is a complex network where sympathetic and parasympathetic domains interact inside and outside of the network. Correlation-based network analysis (NA) is a novel approach enabling the quantification of these interactions. The aim of this study is to assess the applicability of NA to assess relationships between autonomic, sensory, respiratory, cerebrovascular, and inflammatory markers on post-acute sequela of COVID-19 (PASC) and postural tachycardia syndrome (POTS). Methods In this retrospective study, datasets from PASC (n = 15), POTS (n = 15), and matched controls (n = 11) were analyzed. Networks were constructed from surveys (autonomic and sensory), autonomic tests (deep breathing, Valsalva maneuver, tilt, and sudomotor test) results using heart rate, blood pressure, cerebral blood flow velocity (CBFv), capnography, skin biopsies for assessment of small fiber neuropathy (SFN), and various inflammatory markers. Networks were characterized by clusters and centrality metrics. Results Standard analysis showed widespread abnormalities including reduced orthostatic CBFv in 100%/88% (PASC/POTS), SFN 77%/88%, mild-to-moderate dysautonomia 100%/100%, hypocapnia 87%/100%, and elevated inflammatory markers. NA showed different signatures for both disorders with centrality metrics of vascular and inflammatory variables playing prominent roles in differentiating PASC from POTS. Conclusions NA is suitable for a relationship analysis between autonomic and nonautonomic components. Our preliminary analyses indicate that NA can expand the value of autonomic testing and provide new insight into the functioning of the ANS and related systems in complex disease processes such as PASC and POTS. Supplementary Information The online version contains supplementary material available at 10.1007/s10072-022-06423-y.
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Haunhorst S, Bloch W, Wagner H, Ellert C, Krüger K, Vilser DC, Finke K, Reuken P, Pletz MW, Stallmach A, Puta C. Long COVID: a narrative review of the clinical aftermaths of COVID-19 with a focus on the putative pathophysiology and aspects of physical activity. OXFORD OPEN IMMUNOLOGY 2022; 3:iqac006. [PMID: 36846561 PMCID: PMC9494493 DOI: 10.1093/oxfimm/iqac006] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 06/30/2022] [Accepted: 09/13/2022] [Indexed: 11/14/2022] Open
Abstract
The pandemic coronavirus disease 2019 (COVID-19) can cause multi-systemic symptoms that can persist beyond the acute symptomatic phase. The post-acute sequelae of COVID-19 (PASC), also referred to as long COVID, describe the persistence of symptoms and/or long-term complications beyond 4 weeks from the onset of the acute symptoms and are estimated to affect at least 20% of the individuals infected with SARS-CoV-2 regardless of their acute disease severity. The multi-faceted clinical picture of long COVID encompasses a plethora of undulating clinical manifestations impacting various body systems such as fatigue, headache, attention disorder, hair loss and exercise intolerance. The physiological response to exercise testing is characterized by a reduced aerobic capacity, cardiocirculatory limitations, dysfunctional breathing patterns and an impaired ability to extract and use oxygen. Still, to this day, the causative pathophysiological mechanisms of long COVID remain to be elucidated, with long-term organ damage, immune system dysregulation and endotheliopathy being among the hypotheses discussed. Likewise, there is still a paucity of treatment options and evidence-based strategies for the management of the symptoms. In sum, this review explores different aspects of long COVID and maps the literature on what is known about its clinical manifestations, potential pathophysiological mechanisms, and treatment options.
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Affiliation(s)
- Simon Haunhorst
- Department of Sports Medicine and Health Promotion, Friedrich-Schiller-University Jena, Jena 07749, Germany,Department of Movement Science, University of Münster, Münster 48149, Germany
| | - Wilhelm Bloch
- Department for Molecular and Cellular Sports Medicine, Institute for Cardiovascular Research and Sports Medicine, German Sport University Cologne, Cologne 50933, Germany
| | - Heiko Wagner
- Department of Movement Science, University of Münster, Münster 48149, Germany
| | - Claudia Ellert
- Department for Vascular Surgery, Lahn-Dill Clinics Wetzlar, Wetzlar 35578, Germany
| | - Karsten Krüger
- Department of Exercise Physiology and Sports Therapy, Institute of Sports Science, Justus-Liebig-University Giessen, Giessen 35394, Germany
| | - Daniel C Vilser
- Hospital for Pediatrics and Adolescent Medicine, Jena University Hospital, Jena 07747, Germany
| | - Kathrin Finke
- Department of Neurology, Jena University Hospital, Jena 07747, Germany
| | - Philipp Reuken
- Clinic for Internal Medicine IV (Gastroenterology, Hepatology and Infectious Diseases), Jena University Hospital, Jena 07747, Germany
| | - Mathias W Pletz
- Institute for Infectious Diseases and Infection Control, Jena University Hospital, Jena 07747, Germany
| | - Andreas Stallmach
- Clinic for Internal Medicine IV (Gastroenterology, Hepatology and Infectious Diseases), Jena University Hospital, Jena 07747, Germany
| | - Christian Puta
- Correspondence address. Department for Sports Medicine and Health Promotion, Friedrich-Schiller-Universität Jena, Wöllnitzer Straße 42, Jena 07749, Germany. Tel: +49 3641 9-45607; Fax: +49 3641 9-45652; E-mail:
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Yang C, Zhao H, Tebbutt SJ. A glimpse into long COVID and symptoms. THE LANCET RESPIRATORY MEDICINE 2022; 10:e81. [PMID: 35697054 PMCID: PMC9187332 DOI: 10.1016/s2213-2600(22)00217-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Accepted: 05/23/2022] [Indexed: 11/18/2022]
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Graham EL, Koralnik IJ, Liotta EM. Therapeutic Approaches to the Neurologic Manifestations of COVID-19. Neurotherapeutics 2022; 19:1435-1466. [PMID: 35861926 PMCID: PMC9302225 DOI: 10.1007/s13311-022-01267-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/22/2022] [Indexed: 02/07/2023] Open
Abstract
As of May 2022, there have been more than 527 million infections with severe acute respiratory disease coronavirus type 2 (SARS-CoV-2) and over 6.2 million deaths from Coronavirus Disease 2019 (COVID-19) worldwide. COVID-19 is a multisystem illness with important neurologic consequences that impact long-term morbidity and mortality. In the acutely ill, the neurologic manifestations of COVID-19 can include distressing but relatively benign symptoms such as headache, myalgias, and anosmia; however, entities such as encephalopathy, stroke, seizures, encephalitis, and Guillain-Barre Syndrome can cause neurologic injury and resulting disability that persists long after the acute pulmonary illness. Furthermore, as many as one-third of patients may experience persistent neurologic symptoms as part of a Post-Acute Sequelae of SARS-CoV-2 infection (Neuro-PASC) syndrome. This Neuro-PASC syndrome can affect patients who required hospitalization for COVID-19 or patients who did not require hospitalization and who may have had minor or no pulmonary symptoms. Given the large number of individuals affected and the ability of neurologic complications to impair quality of life and productivity, the neurologic manifestations of COVID-19 are likely to have major and long-lasting personal, public health, and economic consequences. While knowledge of disease mechanisms and therapies acquired prior to the pandemic can inform us on how to manage patients with the neurologic manifestations of COVID-19, there is a critical need for improved understanding of specific COVID-19 disease mechanisms and development of therapies that target the neurologic morbidities of COVID-19. This current perspective reviews evidence for proposed disease mechanisms as they inform the neurologic management of COVID-19 in adult patients while also identifying areas in need of further research.
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Affiliation(s)
- Edith L Graham
- The Ken and Ruth Davee Department of Neurology, Northwestern University Feinberg School of Medicine, 625 N. Michigan Ave Suite 1150, Chicago, IL, 60611, USA
| | - Igor J Koralnik
- The Ken and Ruth Davee Department of Neurology, Northwestern University Feinberg School of Medicine, 625 N. Michigan Ave Suite 1150, Chicago, IL, 60611, USA
| | - Eric M Liotta
- The Ken and Ruth Davee Department of Neurology, Northwestern University Feinberg School of Medicine, 625 N. Michigan Ave Suite 1150, Chicago, IL, 60611, USA.
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The potential role of ischaemia-reperfusion injury in chronic, relapsing diseases such as rheumatoid arthritis, Long COVID, and ME/CFS: evidence, mechanisms, and therapeutic implications. Biochem J 2022; 479:1653-1708. [PMID: 36043493 PMCID: PMC9484810 DOI: 10.1042/bcj20220154] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Revised: 08/09/2022] [Accepted: 08/10/2022] [Indexed: 02/07/2023]
Abstract
Ischaemia–reperfusion (I–R) injury, initiated via bursts of reactive oxygen species produced during the reoxygenation phase following hypoxia, is well known in a variety of acute circumstances. We argue here that I–R injury also underpins elements of the pathology of a variety of chronic, inflammatory diseases, including rheumatoid arthritis, ME/CFS and, our chief focus and most proximally, Long COVID. Ischaemia may be initiated via fibrin amyloid microclot blockage of capillaries, for instance as exercise is started; reperfusion is a necessary corollary when it finishes. We rehearse the mechanistic evidence for these occurrences here, in terms of their manifestation as oxidative stress, hyperinflammation, mast cell activation, the production of marker metabolites and related activities. Such microclot-based phenomena can explain both the breathlessness/fatigue and the post-exertional malaise that may be observed in these conditions, as well as many other observables. The recognition of these processes implies, mechanistically, that therapeutic benefit is potentially to be had from antioxidants, from anti-inflammatories, from iron chelators, and via suitable, safe fibrinolytics, and/or anti-clotting agents. We review the considerable existing evidence that is consistent with this, and with the biochemical mechanisms involved.
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Renz-Polster H, Scheibenbogen C. Post-COVID-Syndrom mit Fatigue und Belastungsintoleranz: Myalgische Enzephalomyelitis bzw. Chronisches Fatigue-Syndrom. DIE INNERE MEDIZIN 2022; 63:830-839. [PMID: 35925074 PMCID: PMC9281337 DOI: 10.1007/s00108-022-01369-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Accepted: 06/14/2022] [Indexed: 10/25/2022]
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Laracy JC, Kamboj M, Vardhana SA. Long and persistent COVID-19 in patients with hematologic malignancies: from bench to bedside. Curr Opin Infect Dis 2022; 35:271-279. [PMID: 35849516 PMCID: PMC9922441 DOI: 10.1097/qco.0000000000000841] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
PURPOSE OF REVIEW Cancer patients, especially those with hematologic malignancies, are at increased risk for coronavirus disease 2019 (COVID-19)-related complications and mortality. We describe the incidence, clinical characteristics, risk factors, and outcomes of persistent COVID-19 infection in patients with hematologic malignancies. RECENT FINDINGS The syndrome of persistent COVID-19 in patients with hematologic malignancies manifests as a chronic protracted illness marked by waxing and waning or progressive respiratory symptoms and prolonged viral shedding. Immunosuppressed patients with lymphoid malignancies may serve as partially immune reservoirs for the generation of immune-evasive viral escape mutants. SUMMARY Persistent COVID-19 infection is a unique concern in patients with hematologic malignancies. While vaccination against severe acute respiratory syndrome coronavirus 2 has reduced the overall burden of COVID-19 in patients with hematologic cancers, whether vaccination or other novel treatments for COVID-19 prevent or alleviate this syndrome remains to be determined.
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Affiliation(s)
- Justin C. Laracy
- Infectious Diseases, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA
- Infection Control, Division of Quality and Safety, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Mini Kamboj
- Infectious Diseases, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA
- Infection Control, Division of Quality and Safety, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Santosha A. Vardhana
- Lymphoma Service, Division of Hematologic Malignancies, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA
- Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
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Novak P. Qpack—a Python package for QASAT—quantitative scale for grading cerebral blood flow, autonomic testing, and skin biopsies. Neurol Sci 2022; 43:4821-4828. [DOI: 10.1007/s10072-022-06007-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Accepted: 03/12/2022] [Indexed: 11/29/2022]
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Narasimhan H, Wu Y, Goplen NP, Sun J. Immune determinants of chronic sequelae after respiratory viral infection. Sci Immunol 2022; 7:eabm7996. [DOI: 10.1126/sciimmunol.abm7996] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The acute effects of various respiratory viral infections have been well studied, with extensive characterization of the clinical presentation as well as viral pathogenesis and host responses. However, over the course of the recent COVID-19 pandemic, the incidence and prevalence of chronic sequelae after acute viral infections have become increasingly appreciated as a serious health concern. Post-acute sequelae of COVID-19, alternatively described as “long COVID-19,” are characterized by symptoms that persist for longer than 28 days after recovery from acute illness. Although there exists substantial heterogeneity in the nature of the observed sequelae, this phenomenon has also been observed in the context of other respiratory viral infections including influenza virus, respiratory syncytial virus, rhinovirus, severe acute respiratory syndrome coronavirus, and Middle Eastern respiratory syndrome coronavirus. In this Review, we discuss the various sequelae observed following important human respiratory viral pathogens and our current understanding of the immunological mechanisms underlying the failure of restoration of homeostasis in the lung.
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Affiliation(s)
- Harish Narasimhan
- Carter Immunology Center, University of Virginia, Charlottesville, VA 22908, USA
- Division of Infectious Diseases and International Health, Department of Medicine, University of Virginia, Charlottesville, VA 22908, USA
- Department of Microbiology, Immunology, and Cancer Biology, University of Virginia, Charlottesville, VA 22908, USA
- Department of Immunology, Mayo Clinic, Rochester, MN 55905, USA
| | - Yue Wu
- Department of Microbiology, Immunology, and Cancer Biology, University of Virginia, Charlottesville, VA 22908, USA
- Department of Immunology, Mayo Clinic, Rochester, MN 55905, USA
| | - Nick P. Goplen
- Division of Pulmonary and Critical Medicine, Department of Medicine, Mayo Clinic, Rochester, MN 55905, USA
- Department of Physiology and Biomedical Engineering, Mayo Clinic, MN 55905, USA
| | - Jie Sun
- Carter Immunology Center, University of Virginia, Charlottesville, VA 22908, USA
- Division of Infectious Diseases and International Health, Department of Medicine, University of Virginia, Charlottesville, VA 22908, USA
- Department of Microbiology, Immunology, and Cancer Biology, University of Virginia, Charlottesville, VA 22908, USA
- Department of Immunology, Mayo Clinic, Rochester, MN 55905, USA
- Division of Pulmonary and Critical Medicine, Department of Medicine, Mayo Clinic, Rochester, MN 55905, USA
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