1
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Russo M, Dono F, Onofrj M, Sensi SL. Circulatory shock associated with left insular stroke and chronic steroid treatment. Eur J Neurol 2024; 31:e16225. [PMID: 38299386 DOI: 10.1111/ene.16225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 01/11/2024] [Accepted: 01/15/2024] [Indexed: 02/02/2024]
Abstract
BACKGROUND Damage to the insula has been associated with various types of cardiovascular dysfunction, including arrhythmias and blood pressure imbalances. Acute neuroendocrine disturbances following insular damage have also been described. CASE PRESENTATION A 50-year-old right-handed man with a left insular ischemic lesion exhibited aphasia and right central VII nerve palsy. Five days after the stroke, the patient exhibited severe bradycardia and hypotension. He had been treated for ocular trauma with prednisone for the preceding 3 weeks. Cortisol and adrenocorticotropic hormone levels indicated secondary adrenal insufficiency. Despite adequate fluid intake, the patient's blood pressure dropped, requiring norepinephrine administration. Midodrine was also initiated, leading to clinical improvement. The therapy was gradually discontinued as vital signs normalized. By Day 24, electrocardiogram monitoring was unremarkable, hormonal levels normalized, and the neurological examination revealed only mild residual speech fluency impairment. Computed tomography scans confirmed a recovering ischemic lesion of the left insula. CONCLUSIONS This case reveals the inhibitory effect exerted by a left-sided insular stroke on the autonomic system. It also highlights the still largely unexplored neuroendocrine complications of damage to this brain region.
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Affiliation(s)
- Mirella Russo
- Department of Neuroscience, Imaging and Clinical Sciences, "G. d'Annunzio" University of Chieti-Pescara, Chieti, Italy
- Center for Advanced Studies and Technology (CAST), "G. d'Annunzio" University of Chieti-Pescara, Chieti, Italy
- Institute of Neurology, University Hospital of Chieti, Chieti, Italy
| | - Fedele Dono
- Department of Neuroscience, Imaging and Clinical Sciences, "G. d'Annunzio" University of Chieti-Pescara, Chieti, Italy
- Center for Advanced Studies and Technology (CAST), "G. d'Annunzio" University of Chieti-Pescara, Chieti, Italy
- Institute of Neurology, University Hospital of Chieti, Chieti, Italy
| | - Marco Onofrj
- Department of Neuroscience, Imaging and Clinical Sciences, "G. d'Annunzio" University of Chieti-Pescara, Chieti, Italy
- Center for Advanced Studies and Technology (CAST), "G. d'Annunzio" University of Chieti-Pescara, Chieti, Italy
- Institute of Neurology, University Hospital of Chieti, Chieti, Italy
| | - Stefano L Sensi
- Department of Neuroscience, Imaging and Clinical Sciences, "G. d'Annunzio" University of Chieti-Pescara, Chieti, Italy
- Center for Advanced Studies and Technology (CAST), "G. d'Annunzio" University of Chieti-Pescara, Chieti, Italy
- Institute of Neurology, University Hospital of Chieti, Chieti, Italy
- Institute for Advanced Biomedical Technologies (ITAB), "G. d'Annunzio" University of Chieti-Pescara, Chieti, Italy
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2
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Anand A, Hildebrandt CC, Shenoy V, Sutherland RW. Novel CHRNA3 variants identified in a patient with bladder dysfunction, dysautonomia, and gastrointestinal dysmotility. Am J Med Genet A 2024; 194:e63526. [PMID: 38192228 DOI: 10.1002/ajmg.a.63526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Revised: 12/14/2023] [Accepted: 12/18/2023] [Indexed: 01/10/2024]
Abstract
Congenital anomalies of the kidney and urinary tract (CAKUT) are estimated to be responsible for 20%-50% of congenital anomalies and are also a leading etiology of early-onset renal disease. Primary CAKUT are caused by genetic factors that impair proper in-utero genitourinary tract development and secondary CAKUT result from the influence of environmental factors. The CHRNA3 gene, which encodes the Alpha-3 subunit of the nicotinic acetylcholine receptor, is hypothesized to be associated with Megacystis-microcolon-intestinal hyperperistalsis syndrome. More recently, pathogenic variants in CHRNA3 have been identified in individuals with CAKUT as well as individuals with panautonomic failure. Here we present a patient with neurogenic bladder, vesicoureteral reflux, mydriasis, and gastrointestinal dysmotility found to have novel compound heterozygous variants in CHRNA3. These findings support the consideration of CHRNA3 disruption in the differential for CAKUT with dysautonomia and gastrointestinal dysmotility.
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Affiliation(s)
- Asha Anand
- Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Clara C Hildebrandt
- UNC School of Medicine, Chapel Hill, North Carolina, USA
- UNC Department of Pediatrics, UNC School of Medicine, Chapel Hill, North Carolina, USA
| | - Vivek Shenoy
- UNC School of Medicine, Chapel Hill, North Carolina, USA
- UNC Department of Pediatrics, UNC School of Medicine, Chapel Hill, North Carolina, USA
| | - Richard W Sutherland
- UNC School of Medicine, Chapel Hill, North Carolina, USA
- UNC Department of Urology, UNC School of Medicine, Chapel Hill, North Carolina, USA
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3
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Bhalla D, Sati S, Basel D, Karody V. A novel termination site in a case of Stüve-Wiedemann syndrome: case report and review of literature. Front Pediatr 2024; 12:1341841. [PMID: 38628360 PMCID: PMC11018973 DOI: 10.3389/fped.2024.1341841] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Accepted: 03/18/2024] [Indexed: 04/19/2024] Open
Abstract
Stüve-Wiedemann syndrome (SWS) is a rare autosomal recessive disorder that is characterized by bowing of long bones, dysautonomia, temperature dysregulation, swallowing and feeding difficulties, and frequent respiratory infections. Respiratory distress and hyperthermic events are the leading causes of early neonatal death, and most patients are not expected to survive past infancy. Here, we report on the survival of a 5-year-old male with SWS, discussing his case presentation, providing a brief clinical course, and discussing the outcome. This case adds to the literature surrounding rare instances of childhood survivors of SWS and raises awareness for this syndrome to facilitate an earlier recognition, intervention, and genetic counseling for the families, thereby improving understanding of this disease and the health outcomes for the children affected by this condition.
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Affiliation(s)
- Deepali Bhalla
- Medical College of Wisconsin, Milwaukee, WI, United States
| | - Sunil Sati
- Department of Pediatrics, Medical College of Wisconsin, Milwaukee, WI, United States
| | - Donald Basel
- Department of Pediatrics, Medical College of Wisconsin, Milwaukee, WI, United States
| | - Vijender Karody
- Department of Pediatrics, Medical College of Wisconsin, Milwaukee, WI, United States
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4
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Gopal K, Liengswangwong R, Ramaraj SA, Howard J, Byrd JN. The Clinical Course of a Severe Case of Malignant Catatonia. Cureus 2024; 16:e58142. [PMID: 38741865 PMCID: PMC11088969 DOI: 10.7759/cureus.58142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2024] [Accepted: 04/12/2024] [Indexed: 05/16/2024] Open
Abstract
Catatonia is a psychomotor syndrome predominantly associated with mental illness disorders, most commonly bipolar disorder and schizophrenia. Catatonia is classified as malignant when, in addition to catatonic symptoms, dysautonomia is present. Autonomic abnormalities can include changes in temperature, labile blood pressure, and changes in heart and respiratory rates. Because malignant catatonia is life-threatening, prompt recognition and management are essential to prevent mortality. We present a severe case of catatonia with malignant features that highlight the importance of early diagnosis and treatment.
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Affiliation(s)
- Kalashree Gopal
- Medicine, Alabama College of Osteopathic Medicine, Dothan, USA
| | | | | | - Jeremiah Howard
- Medicine, Alabama College of Osteopathic Medicine, Dothan, USA
| | - James N Byrd
- Internal Medicine, Mobile Infirmary Medical Center, Mobile, USA
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5
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Malkiewicz JJ, Siuda J. Evaluation of Cardiovascular Autonomic Nervous System in Essential Tremor and Tremor Dominant Parkinson's Disease. Brain Sci 2024; 14:313. [PMID: 38671965 PMCID: PMC11048246 DOI: 10.3390/brainsci14040313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2024] [Revised: 03/16/2024] [Accepted: 03/23/2024] [Indexed: 04/28/2024] Open
Abstract
(1) Background: The differential diagnosis of essential tremor (ET) and tremor-dominant Parkinson's disease (TDPD) can be challenging. Only a few studies have investigated the autonomic nervous system (ANS) in ET. However, some of these suggested that heart rate variability (HRV) might be useful in the differential diagnosis. (2) Methods: Demographic and clinical data, including medications and comorbidities, were collected from 15 TDPD patients, 19 ET patients, and 20 healthy controls. Assessment with the SCOPA-AUT questionnaire, 5 min HRV analysis in time and frequency domains, and evaluation of orthostatic hypotension (OH) with tilt test were performed. (3) Results: There were no significant differences between all groups on the SCOPA-AUT questionnaire. PD patients had OH more frequently and a larger drop in systolic blood pressure (SBP) during the tilt test than ET patients and controls. HRV was affected in PD, but not in ET and controls. Power in the low frequency band, the standard deviation of all normal RR intervals and SBP drop were potentially useful in differential diagnosis with AUCs of 0.83, 0.78, and 0.83, respectively. (4) Conclusions: Cardiovascular ANS dysfunction was present in TDPD, but not in ET and controls. HRV analysis and assessment of SBP drop may be potentially useful in the differential diagnosis of ET and TDPD.
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Affiliation(s)
- Jakub J. Malkiewicz
- Department of Neurology, Faculty of Medical Sciences in Katowice, Medical University of Silesia in Katowice, University Clinical Center Prof. K. Gibiński, 14 Medyków Street, 40-752 Katowice, Poland;
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6
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Wilson GN, Tonk VS. Clinical-Genomic Analysis of 1261 Patients with Ehlers-Danlos Syndrome Outlines an Articulo-Autonomic Gene Network (Entome). Curr Issues Mol Biol 2024; 46:2620-2643. [PMID: 38534782 DOI: 10.3390/cimb46030166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2024] [Revised: 02/08/2024] [Accepted: 03/08/2024] [Indexed: 03/28/2024] Open
Abstract
Systematic evaluation of 80 history and 40 history findings diagnosed 1261 patients with Ehlers-Danlos syndrome (EDS) by direct or online interaction, and 60 key findings were selected for their relation to clinical mechanisms and/or management. Genomic testing results in 566 of these patients supported EDS relevance by their differences from those in 82 developmental disability patients and by their association with general rather than type-specific EDS findings. The 437 nuclear and 79 mitochondrial DNA changes included 71 impacting joint matrix (49 COL5), 39 bone (30 COL1/2/9/11), 22 vessel (12 COL3/8VWF), 43 vessel-heart (17FBN1/11TGFB/BR), 59 muscle (28 COL6/12), 56 neural (16 SCN9A/10A/11A), and 74 autonomic (13 POLG/25porphyria related). These genes were distributed over all chromosomes but the Y, a network analogized to an 'entome' where DNA change disrupts truncal mechanisms (skin constraint, neuromuscular support, joint vessel flexibility) and produces a mirroring cascade of articular and autonomic symptoms. The implied sequences of genes from nodal proteins to hypermobility to branching tissue laxity or dysautonomia symptoms would be ideal for large language/artificial intelligence analyses.
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Affiliation(s)
- Golder N Wilson
- Department of Pediatrics, Texas Tech University Health Sciences Center, Lubbock, TX 79430, USA
- KinderGenome Genetics Private Practice, 5347 W Mockingbird, Dallas, TX 75209, USA
| | - Vijay S Tonk
- Director of Medical Genetics and the Cytogenomic Laboratory, Department of Pediatrics, Texas Tech University Health Sciences Center, Lubbock, TX 79430, USA
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7
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Gibson D, Mehler PS. A new conceptual model for anorexia nervosa: A role for connective tissue? Int J Eat Disord 2024; 57:537-542. [PMID: 38372082 DOI: 10.1002/eat.24172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Revised: 02/06/2024] [Accepted: 02/07/2024] [Indexed: 02/20/2024]
Abstract
The etiology of anorexia nervosa (AN) remains to be fully elucidated, and current theories also fail to account for the direct effect of starvation on the health of the organs and tissues, specifically the connective tissue present in most organs of the body. Individuals with hereditary disorders of connective tissue manifest with clinical symptoms that overlap with AN, as the abnormal connective tissue also contributes to many of the other extra-articular manifestations of these hereditary disorders. This article hypothesizes that a similar pathophysiology may also contribute to the clinical presentation of AN. Therefore, a better understanding is needed to elucidate: (1) the relationship between abnormal connective tissue and AN, (2) the impact of starvation toward the development of abnormal connective tissue and how this manifests clinically, (3) the etiology of autonomic nervous system changes contributing to the dysautonomia in AN, and (4) how the sensory signals sent from potentially abnormal connective tissue to the central nervous system impact interoception in AN. A conceptual model incorporating abnormal connective tissue is provided. PUBLIC SIGNIFICANCE: The etiology of AN remains poorly understood and current theories fail to account for the direct impact of starvation on the health of the organs and tissues of the body. There is significant clinical overlap between AN and hereditary connective tissue disorders. This paper attempts to provide a new conceptual model for AN in which abnormal connective tissue contributes to the underlying pathogenesis.
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Affiliation(s)
- Dennis Gibson
- ACUTE Center for Eating Disorders and Severe Malnutrition at Denver Health, Denver, Colorado, USA
- Department of Medicine, University of Colorado School of Medicine, Aurora, Colorado, USA
| | - Philip S Mehler
- ACUTE Center for Eating Disorders and Severe Malnutrition at Denver Health, Denver, Colorado, USA
- Department of Medicine, University of Colorado School of Medicine, Aurora, Colorado, USA
- Eating Recovery Center, Denver, Colorado, USA
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8
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Lee C, Greenwood DC, Master H, Balasundaram K, Williams P, Scott JT, Wood C, Cooper R, Darbyshire JL, Gonzalez AE, Davies HE, Osborne T, Corrado J, Iftekhar N, Rogers N, Delaney B, Greenhalgh T, Sivan M. Prevalence of orthostatic intolerance in long covid clinic patients and healthy volunteers: A multicenter study. J Med Virol 2024; 96:e29486. [PMID: 38456315 DOI: 10.1002/jmv.29486] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Revised: 01/29/2024] [Accepted: 02/13/2024] [Indexed: 03/09/2024]
Abstract
Orthostatic intolerance (OI), including postural orthostatic tachycardia syndrome (PoTS) and orthostatic hypotension (OH), are often reported in long covid, but published studies are small with inconsistent results. We sought to estimate the prevalence of objective OI in patients attending long covid clinics and healthy volunteers and associations with OI symptoms and comorbidities. Participants with a diagnosis of long covid were recruited from eight UK long covid clinics, and healthy volunteers from general population. All undertook standardized National Aeronautics and Space Administration Lean Test (NLT). Participants' history of typical OI symptoms (e.g., dizziness, palpitations) before and during the NLT were recorded. Two hundred seventy-seven long covid patients and 50 frequency-matched healthy volunteers were tested. Healthy volunteers had no history of OI symptoms or symptoms during NLT or PoTS, 10% had asymptomatic OH. One hundred thirty (47%) long covid patients had previous history of OI symptoms and 144 (52%) developed symptoms during the NLT. Forty-one (15%) had an abnormal NLT, 20 (7%) met criteria for PoTS, and 21 (8%) had OH. Of patients with an abnormal NLT, 45% had no prior symptoms of OI. Relaxing the diagnostic thresholds for PoTS from two consecutive abnormal readings to one abnormal reading during the NLT, resulted in 11% of long covid participants (an additional 4%) meeting criteria for PoTS, but not in healthy volunteers. More than half of long covid patients experienced OI symptoms during NLT and more than one in 10 patients met the criteria for either PoTS or OH, half of whom did not report previous typical OI symptoms. We therefore recommend all patients attending long covid clinics are offered an NLT and appropriate management commenced.
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Affiliation(s)
- Cassie Lee
- Imperial College Healthcare NHS Trust, London, UK
| | | | - Harsha Master
- Covid Assessment and Rehabilitation Service, Hertfordshire Community NHS Trust, Welwyn Garden City, UK
| | - Kumaran Balasundaram
- NIHR Leicester Biomedical Research Centre, Respiratory & Infection Theme, Glenfield Hospital, Leicester, UK
| | - Paul Williams
- Covid Assessment and Rehabilitation Service, Hertfordshire Community NHS Trust, Welwyn Garden City, UK
| | - Janet T Scott
- Development and Innovation Department, NHS Highlands, Inverness, UK
- MRC-University of Glasgow Centre for Virus Research, Glasgow, UK
| | - Conor Wood
- Birmingham Community Healthcare, Birmingham, UK
| | - Rowena Cooper
- Development and Innovation Department, NHS Highlands, Inverness, UK
| | - Julie L Darbyshire
- Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, UK
| | | | - Helen E Davies
- Department of Respiratory Medicine, University Hospital of Wales, Cardiff, UK
| | - Thomas Osborne
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, Leeds, UK
| | - Joanna Corrado
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, Leeds, UK
| | - Nafi Iftekhar
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, Leeds, UK
| | | | - Brendan Delaney
- Department of Surgery & Cancer, Imperial College, Faculty of Medicine, London, UK
| | - Trish Greenhalgh
- Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, UK
| | - Manoj Sivan
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, Leeds, UK
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9
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West CR, Cragg JJ. Getting to the Heart of the Problem in Spinal Cord Injury. J Am Coll Cardiol 2024; 83:752-754. [PMID: 38355245 DOI: 10.1016/j.jacc.2023.12.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Accepted: 12/07/2023] [Indexed: 02/16/2024]
Affiliation(s)
- Christopher R West
- Centre for Chronic Disease Prevention and Management, University of British Columbia, Vancouver, British Columbia, Canada; Faculty of Medicine, Department of Cell and Physiological Sciences, University of British Columbia, Vancouver, British Columbia, Canada; International Collaboration on Repair Discoveries (ICORD), University of British Columbia, Vancouver, British Columbia, Canada.
| | - Jacquelyn J Cragg
- International Collaboration on Repair Discoveries (ICORD), University of British Columbia, Vancouver, British Columbia, Canada; Faculty of Pharmaceutical Sciences, University of British Columbia, Vancouver, British Columbia, Canada
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10
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Živković SA, Lacomis D, Soman P. Neuromuscular manifestations of wild type transthyretin amyloidosis: a review and single center's experience. Front Cardiovasc Med 2024; 11:1345608. [PMID: 38410247 PMCID: PMC10894993 DOI: 10.3389/fcvm.2024.1345608] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Accepted: 02/02/2024] [Indexed: 02/28/2024] Open
Abstract
Transthyretin amyloidosis (ATTR) is a condition defined by accumulation of insoluble transthyretin amyloid deposits in multiple organs, especially in the peripheral nerve and heart muscle. ATTR may result from transthyretin mutations (variant ATTR or ATTRv) or may occur with normal transthyretin genotype (wild type ATTR or ATTRwt). ATTRwt was previously known as "senile amyloidosis" and causes cardiomyopathy which may lead to heart failure with a preserved ejection fraction, affecting predominantly elderly men. The exact prevalence of ATTRwt in the general population remains unclear, but its occurrence may be underestimated in women. It was observed that a proportion of ATTRwt cardiomyopathy patients may develop slowly progressing neuropathy that is milder and indolent in comparison with typical progressive neuropathy associated with ATTRv. Furthermore, the causality of neuropathy is often uncertain in patients with ATTRwt. Neuropathy symptoms, including distal sensory loss, unsteadiness and (neuropathic) pain are common in elderly patients with multiple potential causes, and as ATTRwt patients are typically older, relatively high prevalence of peripheral neuropathy is expected with frequent comorbidities. Relatively high prevalence of ATTRwt in elderly population contrasts few documented cases of neuropathy caused by ATTRwt, and there is uncertainty whether ATTRwt neuropathy is an infrequent occurrence or a significant manifestation of multisystemic ATTRwt. We review neurologic and musculoskeletal manifestations of ATTRwt and present clinical features of a single center cohort of ATTRwt patients with suspected peripheral neuropathy.
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Affiliation(s)
- Sasha A Živković
- Department of Neurology, Yale University, New Haven, CT, United States
- Department of Neurology, University of Pittsburgh Medical Center, Pittsburgh, PA, United States
- Cardiac Amyloidosis Center, UPMC Heart and Vascular Institute, Pittsburgh, PA, United States
| | - David Lacomis
- Department of Neurology, University of Pittsburgh Medical Center, Pittsburgh, PA, United States
- Department of Pathology (Neuropathology), University of Pittsburgh Medical Center, Pittsburgh, PA, United States
| | - Prem Soman
- Cardiac Amyloidosis Center, UPMC Heart and Vascular Institute, Pittsburgh, PA, United States
- Division of Cardiology, University of Pittsburgh Medical Center, Pittsburgh, PA, United States
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11
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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] [What about the content of this article? (0)] [Affiliation(s)] [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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12
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Seeley MC, Gallagher C, Lau DH. Emerging Role of Autonomic Modulation by Transcutaneous Vagus Nerve Stimulation: Electrifying Hope in POTS? JACC Clin Electrophysiol 2024; 10:356-358. [PMID: 38300209 DOI: 10.1016/j.jacep.2023.11.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Accepted: 11/29/2023] [Indexed: 02/02/2024]
Affiliation(s)
- Marie-Claire Seeley
- Australian Dysautonomia and Arrhythmia Research Collaborative, Faculty of Health and Medical Sciences, The University of Adelaide, Adelaide, South Australia, Australia; South Australian Health and Medical Research Institute, Adelaide, South Australia, Australia
| | - Celine Gallagher
- Australian Dysautonomia and Arrhythmia Research Collaborative, Faculty of Health and Medical Sciences, The University of Adelaide, Adelaide, South Australia, Australia; South Australian Health and Medical Research Institute, Adelaide, South Australia, Australia
| | - Dennis H Lau
- Australian Dysautonomia and Arrhythmia Research Collaborative, Faculty of Health and Medical Sciences, The University of Adelaide, Adelaide, South Australia, Australia; South Australian Health and Medical Research Institute, Adelaide, South Australia, Australia; Department of Cardiology, Royal Adelaide Hospital, Adelaide, South Australia, Australia.
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13
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Janssen R, Ariëns M, van Genugten J, Jacobi L, Koek G. Complex Dysautonomia in a Patient With Cerebral Cavernous Malformations Due to a KRIT1 Pleiotropic Gene Mutation. Cureus 2024; 16:e55202. [PMID: 38425333 PMCID: PMC10902799 DOI: 10.7759/cureus.55202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/26/2024] [Indexed: 03/02/2024] Open
Abstract
Dysautonomia is a disruption of the body's autonomic processes. Symptoms vary among patients, depending on the underlying disease pathways. Given that symptoms can affect all organ functions, dysautonomia often significantly impacts quality of life. However, due to its complex and varied presentation, early recognition of dysautonomia remains a challenge, yet it is crucial for improving patient outcomes. We report a case of a patient with a KRIT1 mutation presenting with dysautonomia causing urological, sexual, and bowel dysfunction. We hypothesize that the patient's symptoms are due to a pontine cavernous malformation (CM) caused by the KRIT1 mutation. A literature review was conducted to establish a link between pontine CM and dysautonomia.
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Affiliation(s)
- Roel Janssen
- Faculty of Health, Medicine, and Life Sciences, Maastricht University, Maastricht, NLD
| | - Maxime Ariëns
- Department of Primary Care Medicine, Radboud University Medical Center, Nijmegen, NLD
| | | | - Linda Jacobi
- Department of Radiology and Nuclear Medicine, Maastricht University Medical Centre, Maastricht, NLD
| | - Ger Koek
- Department of Internal Medicine, Division of Gastroenterology and Hepatology, Maastricht University Medical Centre, Maastricht, NLD
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14
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Sang S, Ba Y, Yang N. Longitudinal faster anxiety progression of GBA variant carriers in the early Parkinson's disease cohort. Front Neurosci 2024; 18:1353759. [PMID: 38327847 PMCID: PMC10847242 DOI: 10.3389/fnins.2024.1353759] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Accepted: 01/02/2024] [Indexed: 02/09/2024] Open
Abstract
Objective Anxiety symptoms are prevalent neuropsychiatric manifestations in Parkinson's disease (PD) and impact the development of motor complications. Our aim was to evaluate the association of GBA variants with the anxiety development in early PD cohort. Methods This cohort study used data from the Parkinson Progression Marker Initiative. The primary outcome anxiety was assessed by State-Trait Anxiety Inventory (STAI). The association between GBA and longitudinal change in the STAI total score was examined using linear mixed-effects model, and the association between GBA and anxiety progression was examined using Cox survival analysis. Results A total of 385 patients with PD were included in this study, 39 of them were GBA variant carriers and 346 were idiopathic PD without GBA variants. Patients with GBA variants had faster annual increase in anxiety score (β = 0.44; 95% CI, 0.18 to 0.71; p < 0.001) and were at higher risk of anxiety progression (HR 1.87; 95% CI, 1.03 to 3.41; p = 0.03,). Higher baseline scores for Scales for Outcomes in Parkinson's Disease-Autonomic (SCOPA-AUT), which indicated the autonomic dysfunction, also independently predicted faster increase in anxiety score (β = 0.48; 95%CI, 0.19 to 0.69; p < 0.001) and higher incidence of anxiety development (HR = 1.05; 95% CI, 1.01 to 1.08; p = 0.008). Interpretation These findings suggest that longitudinal anxiety symptoms worsening was faster in PD patients who were GBA variant carriers and have dysautonomia, and this association was enhanced if they have both.
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Affiliation(s)
- Shushan Sang
- Department of Otolaryngology-Head and Neck Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Yunpeng Ba
- Department of Otolaryngology-Head and Neck Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Nannan Yang
- Department of Neurology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
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15
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Goldstein DS. Linking the Extended Autonomic System with the Homeostat Theory: New Perspectives about Dysautonomias. J Pers Med 2024; 14:123. [PMID: 38276245 PMCID: PMC10817591 DOI: 10.3390/jpm14010123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2023] [Revised: 01/14/2024] [Accepted: 01/20/2024] [Indexed: 01/27/2024] Open
Abstract
Dysautonomias are conditions in which altered functions of one or more components of the autonomic nervous system (ANS) adversely affect health. This essay is about how elucidating mechanisms of dysautonomias may rationalize personalized treatments. Emphasized here are two relatively new ideas-the "extended" autonomic system (EAS) and the "homeostat" theory as applied to the pathophysiology and potential treatments of dysautonomias. The recently promulgated concept of the EAS updates Langley's ANS to include neuroendocrine, immune/inflammatory, and central components. The homeostat theory builds on Cannon's theory of homeostasis by proposing the existence of comparators (e.g., a thermostat, glucostat, carbistat, barostat) that receive information about regulated variables (e.g., core temperature, blood glucose, blood gases, delivery of blood to the brain). Homeostats sense discrepancies between the information and response algorithms. The presentation links the EAS with the homeostat theory to understand pathophysiological mechanisms of dysautonomias. Feed-forward anticipatory processes shift input-output curves and maintain plateau levels of regulated variables within different bounds of values-"allostasis". Sustained allostatic processes increase long-term wear-and-tear on effectors and organs-allostatic load. They decreaseing thresholds for destabilizing and potentially fatal positive feedback loops. The homeostat theory enables mathematical models that define stress, allostasis, and allostatic load. The present discussion applies the EAS and homeostat concepts to specific examples of pediatric, adolescent/adult, and geriatric dysautonomias-familial dysautonomia, chronic orthostatic intolerance, and Lewy body diseases. Computer modeling has the potential to take into account the complexity and dynamics of allostatic processes and may yield testable predictions about individualized treatments and outcomes.
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Affiliation(s)
- David S Goldstein
- Autonomic Medicine Section, Clinical Neurosciences Program, Division of Intramural Research, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD 20892, USA
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16
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Villena-Salinas J, Ortega-Lozano SJ, Amrani-Raissouni T, Agüera-Morales E, Caballero-Villarraso J. Comparative Study between the Diagnostic Effectiveness of Brain SPECT with [ 123I]Ioflupane and [ 123I]MIBG Scintigraphy in Multiple System Atrophy. Biomedicines 2024; 12:102. [PMID: 38255208 PMCID: PMC10813386 DOI: 10.3390/biomedicines12010102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 12/23/2023] [Accepted: 12/28/2023] [Indexed: 01/24/2024] Open
Abstract
BACKGROUND Multiple system atrophy (MSA) is a neurodegenerative disease. It has a fast progression, so early diagnosis is decisive. Two functional imaging tests can be involved in its diagnosis: [123I]Ioflupane SPECT and [123I]MIBG scintigraphy. Our aim is to comparatively analyze the diagnostic performance of both techniques. METHODS 46 patients (24 males and 22 females) with MSA underwent [123I]Ioflupane SPECT and [123I]MIBG scintigraphy. In each of these techniques, qualitative assessment was compared with quantitative assessment. RESULTS SPECT visual assessment was positive in 93.5% of subjects (S = 95.24%; PPV = 93.02%). A cut-off of 1.363 was established for overall S/O index (S = 85.7%, E = 100%). Visual assessment of scintigraphy was positive in 73.1% (S = 78.57%, PPV = 94.29%). For the delayed heart/medistinum ratio (HMR) a cut-off of 1.43 (S = 85.3, E = 100%) was obtained. For each unit increase in delayed HMR, the suspicion of MSA increased by 1.58 (OR = 1.58, p < 0.05). The quantitative assessment showed an association with the visual assessment for each technique (p < 0.05). CONCLUSIONS Both tests are useful in MSA diagnosis. Comparatively, we did not observe a clear superiority of either. Striatal and myocardial deterioration do not evolve in parallel. Qualitative assessment is crucial in both techniques, together with the support of quantitative analysis. Delayed HMR shows a direct relationship with the risk of MSA.
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Affiliation(s)
- Javier Villena-Salinas
- Nuclear Medicine Service, Virgen de la Victoria University Hospital, 29010 Málaga, Spain; (J.V.-S.); (S.J.O.-L.); (T.A.-R.)
| | - Simeón José Ortega-Lozano
- Nuclear Medicine Service, Virgen de la Victoria University Hospital, 29010 Málaga, Spain; (J.V.-S.); (S.J.O.-L.); (T.A.-R.)
| | - Tomader Amrani-Raissouni
- Nuclear Medicine Service, Virgen de la Victoria University Hospital, 29010 Málaga, Spain; (J.V.-S.); (S.J.O.-L.); (T.A.-R.)
| | - Eduardo Agüera-Morales
- Neurology Service, Reina Sofia University Hospital, 14004 Cordoba, Spain;
- Maimónides Biomedical Research Institute of Córdoba (IMIBIC), 14004 Córdoba, Spain
| | - Javier Caballero-Villarraso
- Maimónides Biomedical Research Institute of Córdoba (IMIBIC), 14004 Córdoba, Spain
- Clinical Analyses Service, Reina Sofía University Hospital, 14004 Córdoba, Spain
- Department of Biochemistry and Molecular Biology, Universidad of Córdoba, 14071 Córdoba, Spain
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17
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Sato D, Sato H, Kondo T, Igari R, Iseki C, Kawahara H, Amano S, Ono Y, Kimura A, Shimohata T, Ohta Y. A Case of Anti-IgLON5 Disease Showing an Improvement in Dysautonomia, Including Vocal Cord Palsy, via Combined Immunotherapy. Intern Med 2024:2865-23. [PMID: 38171876 DOI: 10.2169/internalmedicine.2865-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/05/2024] Open
Abstract
Anti-IgLON5 disease shows various neurological manifestations, of which dysautonomia is one of the major symptoms and is rarely improved by immunotherapy. We herein report a patient with anti-IgLON5 disease who showed several autonomic failures, including vocal cord palsy for four months. The patient presented with cognitive impairments, bulbar symptoms accompanied by myorhythmia in the pharynx and tongue, cerebellar ataxia with tremor, motor neuron symptoms in the limbs, gastrointestinal dysfunction, orthostatic hypotension, non-rapid eye movement sleep disorder on polysomnography, and severe vocal cord palsy. Combined immunotherapy improved his symptoms, including vocal cord palsy, suggesting that combined immunotherapy might improve dysautonomia in anti-IgLON5 disease.
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Affiliation(s)
- Daisuke Sato
- Division of Neurology and Clinical Neuroscience, Department of Internal Medicine III, Yamagata University School of Medicine, Japan
| | - Hiroyasu Sato
- Division of Neurology and Clinical Neuroscience, Department of Internal Medicine III, Yamagata University School of Medicine, Japan
| | - Toshiyuki Kondo
- Division of Neurology and Clinical Neuroscience, Department of Internal Medicine III, Yamagata University School of Medicine, Japan
| | - Ryosuke Igari
- Division of Neurology and Clinical Neuroscience, Department of Internal Medicine III, Yamagata University School of Medicine, Japan
| | - Chifumi Iseki
- Division of Neurology and Clinical Neuroscience, Department of Internal Medicine III, Yamagata University School of Medicine, Japan
| | - Hikaru Kawahara
- Division of Neurology and Clinical Neuroscience, Department of Internal Medicine III, Yamagata University School of Medicine, Japan
| | - Shintaro Amano
- Department of Otolaryngology, Head and Neck Surgery, Yamagata University School of Medicine, Japan
| | - Yoya Ono
- Department of Neurology, Gifu University Graduate School of Medicine, Japan
| | - Akio Kimura
- Department of Neurology, Gifu University Graduate School of Medicine, Japan
| | | | - Yasuyuki Ohta
- Division of Neurology and Clinical Neuroscience, Department of Internal Medicine III, Yamagata University School of Medicine, Japan
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18
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Andersson U, Tracey KJ. Vagus nerve SARS-CoV-2 infection and inflammatory reflex dysfunction: Is there a causal relationship? J Intern Med 2024; 295:91-102. [PMID: 38018736 DOI: 10.1111/joim.13746] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2023]
Abstract
Autonomic dysfunction is a clinical hallmark of infection caused by SARS-CoV-2, but the underlying mechanisms are unknown. The vagus nerve inflammatory reflex is an important, well-characterized mechanism for the reflexive suppression of cytokine storm, and its experimental or clinical impairment facilitates the onset and progression of hyperinflammation. Recent pathological evidence from COVID-19 victims reveals viral infection and inflammation in the vagus nerve and associated nuclei in the medulla oblongata. Although it has been suggested that vagus nerve inflammation in these patients mediates dysregulated respiration, whether it also contributes to dysfunction of the vagus nerve inflammatory reflex has not been addressed. Because lethality and tissue injury in acute COVID-19 are characterized by cytokine storm, it is plausible to consider evidence that impairment of the inflammatory reflex may contribute to overproduction of cytokines and resultant hyperinflammatory pathogenesis. Accordingly, here the authors discuss the inflammatory reflex, the consequences of its dysfunction in COVID-19, and whether there are opportunities for therapeutic intervention.
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Affiliation(s)
- Ulf Andersson
- Department of Women's and Children's Health, Karolinska Institutet, Stockholm, Sweden
| | - Kevin J Tracey
- Feinstein Institutes for Medical Research, Northwell Health, Manhasset, New York, USA
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19
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Corrado J, Iftekhar N, Halpin S, Li M, Tarrant R, Grimaldi J, Simms A, O'Connor RJ, Casson A, Sivan M. HEART Rate Variability Biofeedback for LOng COVID Dysautonomia (HEARTLOC): Results of a Feasibility Study. Adv Rehabil Sci Pract 2024; 13:27536351241227261. [PMID: 38298551 PMCID: PMC10826406 DOI: 10.1177/27536351241227261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Accepted: 01/03/2024] [Indexed: 02/02/2024]
Abstract
Introduction Post-COVID-19 syndrome, or Long Covid (LC) refers to symptoms persisting 12 weeks after the COVID-19 infection. LC comprises a wide range of dysautonomia symptoms, including fatigue, breathlessness, palpitations, dizziness, pain and brain fog. This study tested the feasibility and estimated the efficacy, of a Heart Rate Variability Biofeedback (HRV-B) programme via a standardised slow diaphragmatic breathing technique in individuals with LC. Methods LC patients underwent a 4-week HRV-B intervention for 10 minutes twice daily for 4 weeks using the Polar H10 ECG (Electrocardiogram) chest strap and Elite HRV phone application. Outcome measures C19-YRSm (Yorkshire Rehabilitation Scale modified), Composite Autonomic Symptom Score (COMPASS-31), WHO Disability Assessment Schedule (WHODAS), EQ5D-5L (EuroQol 5 Dimensions) and Root Mean Square of Successive Differences between heartbeats (RMSSD) using a Fitbit device were recorded before and after the intervention. The study was pre-registered at clinicaltrials.gov NCT05228665. Results A total of 13 participants (54% female, 46% male) completed the study with high levels of independent use of technology, data completeness and intervention adherence. There was a statistically significant improvement in C19YRS-m (P = .001), COMPASS-31 (P = .007), RMSSD (P = .047), WHODAS (P = .02) and EQ5D Global Health Score (P = .009). Qualitative feedback suggested participants could use it independently, were satisfied with the intervention and reported beneficial effects from the intervention. Conclusion HRV-B using diaphragmatic breathing is a feasible intervention for LC. The small sample size limits generalisability. HRV-B in LC warrants further exploration in a larger randomised controlled study.
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Affiliation(s)
- Joanna Corrado
- Academic Department of Rehabilitation Medicine, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, UK
- Long COVID Rehabilitation Service, Leeds Community Healthcare NHS Trust, Leeds, UK
- National Demonstration Centre of Rehabilitation Medicine, Leeds Teaching Hospitals NHS Trust, Leeds, UK
| | - Nafi Iftekhar
- Academic Department of Rehabilitation Medicine, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, UK
| | - Stephen Halpin
- Academic Department of Rehabilitation Medicine, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, UK
- Long COVID Rehabilitation Service, Leeds Community Healthcare NHS Trust, Leeds, UK
- National Demonstration Centre of Rehabilitation Medicine, Leeds Teaching Hospitals NHS Trust, Leeds, UK
| | - Mengyao Li
- Department of Electrical and Electronic Engineering, University of Manchester, Manchester, UK
| | - Rachel Tarrant
- Long COVID Rehabilitation Service, Leeds Community Healthcare NHS Trust, Leeds, UK
| | - Jennifer Grimaldi
- Long COVID Rehabilitation Service, Leeds Community Healthcare NHS Trust, Leeds, UK
| | - Alexander Simms
- Academic Department of Rehabilitation Medicine, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, UK
- Department of Cardiology, Leeds Teaching Hospitals NHS Trust, Leeds, UK
| | - Rory J O'Connor
- Academic Department of Rehabilitation Medicine, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, UK
- National Demonstration Centre of Rehabilitation Medicine, Leeds Teaching Hospitals NHS Trust, Leeds, UK
| | - Alex Casson
- Academic Department of Rehabilitation Medicine, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, UK
- Department of Electrical and Electronic Engineering, University of Manchester, Manchester, UK
| | - Manoj Sivan
- Academic Department of Rehabilitation Medicine, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, UK
- Long COVID Rehabilitation Service, Leeds Community Healthcare NHS Trust, Leeds, UK
- National Demonstration Centre of Rehabilitation Medicine, Leeds Teaching Hospitals NHS Trust, Leeds, UK
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20
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Tagliapietra M, Incensi A, Ferrarini M, Mesiano N, Furia A, Rizzo G, Liguori R, Cavallaro T, Monaco S, Fabrizi GM, Donadio V. Clinical and pathology characterization of small nerve fiber neuro(no)pathy in cerebellar ataxia with neuropathy and vestibular areflexia syndrome. Eur J Neurol 2023; 30:3834-3841. [PMID: 37531261 DOI: 10.1111/ene.16018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Revised: 07/13/2023] [Accepted: 07/27/2023] [Indexed: 08/04/2023]
Abstract
BACKGROUND AND PURPOSE Biallelic mutation/expansion of the gene RFC1 has been described in association with a spectrum of manifestations ranging from isolated sensory neuro(no)pathy to a complex presentation as cerebellar ataxia with neuropathy and vestibular areflexia syndrome (CANVAS). Our aim was to define the frequency and characteristics of small fiber neuropathy (SFN) in RFC1 disease at different stages. METHODS RFC1 cases were screened for SFN using the Neuropathic Pain Symptom Inventory and Composite Autonomic Symptom Score 31 questionnaires. Clinical data were retrospectively collected. If available, lower limb skin biopsy samples were evaluated for somatic epidermal and autonomic subepidermal structure innervation and compared to healthy controls (HCs). RESULTS Forty patients, median age at onset 54 years (interquartile range [IQR] 49-61) and disease duration 10 years (IQR 6-16), were enrolled. Mild-to-moderate positive symptoms (median Neuropathic Pain Symptom Inventory score 12.1/50, IQR 5.5-22.3) and relevant autonomic disturbances (median Composite Autonomic Symptom Score 31 37.0/100, IQR 17.7-44.3) were frequently reported and showed scarce correlation with disease duration. A non-length-dependent impairment in nociception was evident in both clinical and paraclinical investigations. An extreme somatic denervation was observed in all patients at both proximal (fibers/mm, RFC1 cases 0.0 vs. HCs 20.5, p < 0.0001) and distal sites (fibers/mm, RFC1 cases 0.0 vs. HCs 13.1, p < 0.0001); instead only a slight decrease was observed in cholinergic and adrenergic innervation of autonomic structures. CONCLUSIONS RFC1 disease is characterized by a severe and widespread somatic SFN. Skin denervation may potentially represent the earliest feature and drive towards the suspicion of this disorder.
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Affiliation(s)
- Matteo Tagliapietra
- Dipartimento di Neuroscienze, Biomedicina e Movimento, Università di Verona, Verona, Italy
| | - Alex Incensi
- IRCCS Istituto delle Scienze Neurologiche di Bologna, UOC Clinica Neurologica, Bologna, Italy
| | - Moreno Ferrarini
- Dipartimento di Neuroscienze, Biomedicina e Movimento, Università di Verona, Verona, Italy
| | - Nazarena Mesiano
- Dipartimento di Scienze Chirurgiche, Odontostomatologiche e Materno-infantili, UOC Otorinolaringoiatria, Verona, Italy
| | - Alessandro Furia
- IRCCS Istituto delle Scienze Neurologiche di Bologna, UOC Clinica Neurologica, Bologna, Italy
| | - Giovanni Rizzo
- IRCCS Istituto delle Scienze Neurologiche di Bologna, UOC Clinica Neurologica, Bologna, Italy
| | - Rocco Liguori
- IRCCS Istituto delle Scienze Neurologiche di Bologna, UOC Clinica Neurologica, Bologna, Italy
| | - Tiziana Cavallaro
- Dipartimento di Neuroscienze, Biomedicina e Movimento, Università di Verona, Verona, Italy
| | - Salvatore Monaco
- Dipartimento di Neuroscienze, Biomedicina e Movimento, Università di Verona, Verona, Italy
| | - Gian Maria Fabrizi
- Dipartimento di Neuroscienze, Biomedicina e Movimento, Università di Verona, Verona, Italy
| | - Vincenzo Donadio
- IRCCS Istituto delle Scienze Neurologiche di Bologna, UOC Clinica Neurologica, Bologna, Italy
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21
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Parks A, Hogg-Johnson S. Autonomic nervous system dysfunction in pediatric sport-related concussion: a systematic review. J Can Chiropr Assoc 2023; 67:246-268. [PMID: 38283159 PMCID: PMC10814701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 01/30/2024]
Abstract
Objective To identify, appraise and synthesize the evidence of autonomic nervous system (ANS) dysfunction following sport-related concussion in pediatric populations. Methods A literature search was conducted using MEDLINE (Ovid), SportDiscus (EBSCO), CINAHL (EBSCO), EMBASE (Ovid) and PsycINFO (Ovid). Studies were selected and appraised using the Joanna Briggs Institute (JBI) critical appraisal tools. Data was extracted from the included studies and qualitatively synthesized. Results Eleven studies were included in the synthesis. There was variability in the methods used to measure ANS function between studies, and sample populations and time to assessment following concussion varied considerably. There was also variability in the direction of change of ANS function between some studies. Conclusion This systematic review identifies that concussion is associated with dysregulation of ANS function in pediatric athletes. We identified some weaknesses in the extant literature which may be due to existing logistical and financial barriers to implementing valid ANS measurements in clinical and sports settings.
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Affiliation(s)
- Andrew Parks
- Division of Graduate Studies, Sports Sciences, Canadian Memorial Chiropractic College
- Private Practice
| | - Sheilah Hogg-Johnson
- Department of Research and Innovation, Canadian Memorial Chiropractic College
- Dalla Lana School of Public Health, University of Toronto
- Institute for Disability and Rehabilitation Research, Ontario Tech University
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22
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Bourkas AN, Geng R, Sibbald M, Sibbald RG. A case of erythromelalgia with gastrointestinal dysautonomia treated with immunoglobulin: A case report. SAGE Open Med Case Rep 2023; 11:2050313X231213137. [PMID: 38022850 PMCID: PMC10658769 DOI: 10.1177/2050313x231213137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2023] [Accepted: 10/01/2023] [Indexed: 12/01/2023] Open
Abstract
An 18-year-old female with a history of atopic march, hyperhidrosis, and eosinophilic esophagitis was diagnosed with erythromelalgia and gastrointestinal dysautonomia secondary to presumed autoimmune small fiber neuropathy. The patient experienced significant clinical improvements after the initiation of intravenous immunoglobulin therapy, supporting an underlying autoimmune disorder.
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Affiliation(s)
| | - Ryan Geng
- Temerty School of Medicine, University of Toronto, Toronto, ON, Canada
| | - Matthew Sibbald
- Department of Medicine, McMaster Education Research Innovation and Theory (MERIT) Program, Faculty of Health Sciences, McMaster University, Hamilton, ON, Canada
| | - R Gary Sibbald
- Dalla Lana School of Public Health & Division of Dermatology, Department of Medicine, University of Toronto, Toronto, ON, Canada
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23
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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] [What about the content of this article? (0)] [Affiliation(s)] [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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24
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Fedorowski A, Olsén MF, Nikesjö F, Janson C, Bruchfeld J, Lerm M, Hedman K. Cardiorespiratory dysautonomia in post-COVID-19 condition: Manifestations, mechanisms and management. J Intern Med 2023; 294:548-562. [PMID: 37183186 DOI: 10.1111/joim.13652] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
A significant proportion of COVID-19 patients experience debilitating symptoms for months after the acute infection. According to recent estimates, approximately 1 out of 10 COVID-19 convalescents reports persistent health issues more than 3 months after initial recovery. This 'post-COVID-19 condition' may include a large variety of symptoms from almost all domains and organs, and for some patients it may mean prolonged sick-leave, homestay and strongly limited activities of daily life. In this narrative review, we focus on the symptoms and signs of post-COVID-19 condition in adults - particularly those associated with cardiovascular and respiratory systems, such as postural orthostatic tachycardia syndrome or airway disorders - and explore the evidence for chronic autonomic dysfunction as a potential underlying mechanism. The most plausible hypotheses regarding cellular and molecular mechanisms behind the wide spectrum of observed symptoms - such as lingering viruses, persistent inflammation, impairment in oxygen sensing systems and circulating antibodies directed to blood pressure regulatory components - are discussed. In addition, an overview of currently available pharmacological and non-pharmacological treatment options is presented.
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Affiliation(s)
- Artur Fedorowski
- Department of Clinical Sciences, Lund University, Malmö, Sweden
- Department of Cardiology, Karolinska University Hospital, Solna, Sweden
- Department of Medicine, Karolinska Institute, Stockholm, Sweden
| | - Monika Fagevik Olsén
- Department of Occupational Therapy and Physiotherapy, Sahlgrenska University Hospital, Gothenburg, Sweden
- Department of Health and Rehabilitation/Physiotherapy, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Frida Nikesjö
- Department of Respiratory Medicine in Linköping, and Department of Health, Medicine and Caring Sciences, Linköping University, Linköping, Sweden
| | - Christer Janson
- Department of Medical Sciences: Respiratory, Allergy and Sleep Research, Uppsala University, Uppsala, Sweden
| | - Judith Bruchfeld
- Department of Infectious Diseases, Karolinska University Hospital, Stockholm, Sweden
- Division of Infectious Diseases, Department of Medicine, Solna, Karolinska Institute, Stockholm, Sweden
| | - Maria Lerm
- Department of Biomedical and Clinical Sciences, Division of Inflammation and Infection, Linköping University, Linköping, Sweden
| | - Kristofer Hedman
- Department of Clinical Physiology in Linköping, and Department of Health, Medicine and Caring Sciences, Linköping University, Linköping, Sweden
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25
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Darole PA, Tayade KS, Uma S, Wadal AR, Patara PP. Recurrent Regional Autonomic Dysfunction as a Presentation of Relapsing Neuromyelitis Optica Spectrum Disorder, Responsive to Ketamine Infusion. Neurol India 2023; 71:1247-1249. [PMID: 38174468 DOI: 10.4103/0028-3886.391398] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2024]
Abstract
Diagnostic criteria of neuromyelitis optica spectrum disorders (NMOSD) have expanded to include many new symptoms since the original description of Devic's disease in 1894, and the formulation of diagnostic criteria in 2006. Herein, we describe a patient with serum aquaporin positive NMOSD with the unusual presentation of recurrent regional autonomic dysfunction, with concordant MRI findings. The symptomatic treatment of the patient's causalgia required IV ketamine infusion. Besides, as the long segment myelitis occurred in the setting of extensively drug-resistant tuberculosis (XDR TB), there was the added challenge of ruling out TB myelitis and choosing an immunosuppressant that would have the least risk of reactivation of TB.
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Affiliation(s)
- Pramod A Darole
- Department of Medicine, LTMMC and LTMGH, Sion, Mumbai, Maharashtra, India
| | - Kamalesh S Tayade
- Department of Medicine, LTMMC and LTMGH, Sion, Mumbai, Maharashtra, India
| | - Sundar Uma
- Department of Medicine, LTMMC and LTMGH, Sion, Mumbai, Maharashtra, India
| | - Aniket R Wadal
- Department of Medicine, LTMMC and LTMGH, Sion, Mumbai, Maharashtra, India
| | - Pratik P Patara
- Department of Medicine, LTMMC and LTMGH, Sion, Mumbai, Maharashtra, India
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26
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Weinstock LB, Nelson RM, Blitshteyn S. Neuropsychiatric Manifestations of Mast Cell Activation Syndrome and Response to Mast-Cell-Directed Treatment: A Case Series. J Pers Med 2023; 13:1562. [PMID: 38003876 PMCID: PMC10672129 DOI: 10.3390/jpm13111562] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2023] [Revised: 10/19/2023] [Accepted: 10/26/2023] [Indexed: 11/26/2023] Open
Abstract
Mast cell activation syndrome (MCAS) is an immune disease with an estimated prevalence of 17%. Mast cell chemical mediators lead to heterogeneous multisystemic inflammatory and allergic manifestations. This syndrome is associated with various neurologic and psychiatric disorders, including headache, dysautonomia, depression, generalized anxiety disorder, and many others. Although MCAS is common, it is rarely recognized, and thus, patients can suffer for decades. The syndrome is caused by aberrant mast cell reactivity due to the mutation of the controller gene. A case series is presented herein including eight patients with significant neuropsychiatric disorders that were often refractory to standard medical therapeutics. Five patients had depression, five had generalized anxiety disorder, and four had panic disorder. Other psychiatric disorders included attention-deficit hyperactivity disorder, obsessive compulsive disorder, phobias, and bipolar disorder. All eight patients were subsequently diagnosed with mast cell activation syndrome; six had comorbid autonomic disorders, the most common being postural orthostatic tachycardia syndrome; and four had hypermobile Ehlers-Danlos syndrome. All patients experienced significant improvements regarding neuropsychiatric and multisystemic symptoms after mast-cell-directed therapy. In neuropsychiatric patients who have systemic symptoms and syndromes, it is important to consider the presence of an underlying or comorbid MCAS.
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Affiliation(s)
- Leonard B. Weinstock
- Independent Researcher, Specialists in Gastroenterology, St. Louis, MO 63141, USA
| | - Renee M. Nelson
- Department of Neurology, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY 14203, USA; (R.M.N.); (S.B.)
| | - Svetlana Blitshteyn
- Department of Neurology, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY 14203, USA; (R.M.N.); (S.B.)
- Dysautonomia Clinic, Williamsville, NY 14221, USA
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27
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Villena-Salinas J, Ortega-Lozano SJ, Amrani-Raissouni T, Agüera E, Caballero-Villarraso J. Follow-Up Findings in Multiple System Atrophy from [ 123I]Ioflupane Single-Photon Emission Computed Tomography (SPECT): A Prospective Study. Biomedicines 2023; 11:2893. [PMID: 38001894 PMCID: PMC10669007 DOI: 10.3390/biomedicines11112893] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Revised: 10/12/2023] [Accepted: 10/19/2023] [Indexed: 11/26/2023] Open
Abstract
BACKGROUND Multiple system atrophy (MSA) is subdivided into two types: MSA-P (parkinsonian) and MSA-C (cerebellar). Brain SPECT allows for the detection of nigrostriatal involvement, even in the early stages. To date, the scientific literature does not show a consensus on how to follow-up MSA, especially MSA-C. Our aim was to analyze the diagnostic effectiveness of repeat [123I]Ioflupane SPECT for the follow-up of MSA. METHODS A longitudinal observational study on 22 MSA patients (11 males and 11 females). RESULTS Significant changes were obtained in the quantitative SPECT assessments in the three Striatum/Occipital indices. The qualitative SPECT diagnosis did not show differences between the initial and evolving SPECT, but the neurologist's clinical suspicion did. Our results showed a brain deterioration of around 31% at 12 months, this being the optimal cut-off for differentiating a diseased subject (capable of solving diagnostic error rate). Previous imaging tests were inconclusive, as they showed less deterioration in the SPECT and quantitative assessments with respect to the group of confirmed patients. Repeated SPECT increased the diagnostic sensitivity (50% vs. 75%) and positive predictive value (72.73% vs. 77%). In addition, repeated SPECT proved decisive in the diagnosis of initial inconclusive cases. CONCLUSION Repeat SPECT at 12 months proves useful in the diagnosis and follow-up of MSA.
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Affiliation(s)
- Javier Villena-Salinas
- Nuclear Medicine Service, Virgen de la Victoria University Hospital, 29010 Málaga, Spain; (J.V.-S.); (S.J.O.-L.); (T.A.-R.)
| | - Simeón José Ortega-Lozano
- Nuclear Medicine Service, Virgen de la Victoria University Hospital, 29010 Málaga, Spain; (J.V.-S.); (S.J.O.-L.); (T.A.-R.)
| | - Tomader Amrani-Raissouni
- Nuclear Medicine Service, Virgen de la Victoria University Hospital, 29010 Málaga, Spain; (J.V.-S.); (S.J.O.-L.); (T.A.-R.)
| | - Eduardo Agüera
- Neurology Service, Reina Sofia University Hospital, 14004 Córdoba, Spain;
- Maimónides Biomedical Research Institute of Córdoba (IMIBIC), 14004 Córdoba, Spain
| | - Javier Caballero-Villarraso
- Maimónides Biomedical Research Institute of Córdoba (IMIBIC), 14004 Córdoba, Spain
- Clinical Analyses Service, Reina Sofía University Hospital, 14004 Córdoba, Spain
- Department of Biochemistry and Molecular Biology, Universidad of Córdoba, 14071 Córdoba, Spain
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28
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Semmler A, Mundorf AK, Kuechler AS, Schulze-Bosse K, Heidecke H, Schulze-Forster K, Schott M, Uhrberg M, Weinhold S, Lackner KJ, Pawlitzki M, Meuth SG, Boege F, Ruhrländer J. Chronic Fatigue and Dysautonomia following COVID-19 Vaccination Is Distinguished from Normal Vaccination Response by Altered Blood Markers. Vaccines (Basel) 2023; 11:1642. [PMID: 38005974 PMCID: PMC10674626 DOI: 10.3390/vaccines11111642] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 10/20/2023] [Accepted: 10/23/2023] [Indexed: 11/26/2023] Open
Abstract
SARS-CoV-2 mRNA vaccination can entail chronic fatigue/dysautonomia tentatively termed post-acute COVID-19 vaccination syndrome (PACVS). We explored receptor autoantibodies and interleukin-6 (IL-6) as somatic correlates of PACVS. Blood markers determined before and six months after first-time SARS-CoV-2 vaccination of healthy controls (N = 89; 71 females; mean/median age: 39/49 years) were compared with corresponding values of PACVS-affected persons (N = 191; 159 females; mean/median age: 40/39 years) exhibiting chronic fatigue/dysautonomia (≥three symptoms for ≥five months after the last SARS-CoV-2 mRNA vaccination) not due to SARS-CoV-2 infection and/or confounding diseases/medications. Normal vaccination response encompassed decreases in 11 receptor antibodies (by 25-50%, p < 0.0001), increases in two receptor antibodies (by 15-25%, p < 0.0001) and normal IL-6. In PACVS, serological vaccination-response appeared significantly (p < 0.0001) altered, allowing discrimination from normal post-vaccination state (sensitivity = 90%, p < 0.0001) by increased Angiotensin II type 1 receptor antibodies (cut-off ≤ 10.7 U/mL, ROC-AUC = 0.824 ± 0.027), decreased alpha-2B adrenergic receptor antibodies (cut-off ≥ 25.2 U/mL, ROC-AUC = 0.828 ± 0.025) and increased IL-6 (cut-off ≤ 2.3 pg/mL, ROC-AUC = 0.850 ± 0.022). PACVS is thus indicated as a somatic syndrome delineated/detectable by diagnostic blood markers.
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Affiliation(s)
- Amelie Semmler
- Central Institute for Clinical Chemistry and Laboratory Diagnostics, Medical Faculty, University Hospital Düsseldorf, Heinrich-Heine-University, 40225 Düsseldorf, Germany; (A.S.); (A.K.M.); (A.S.K.); (K.S.-B.)
| | - Anna Katharina Mundorf
- Central Institute for Clinical Chemistry and Laboratory Diagnostics, Medical Faculty, University Hospital Düsseldorf, Heinrich-Heine-University, 40225 Düsseldorf, Germany; (A.S.); (A.K.M.); (A.S.K.); (K.S.-B.)
| | - Anna Sabrina Kuechler
- Central Institute for Clinical Chemistry and Laboratory Diagnostics, Medical Faculty, University Hospital Düsseldorf, Heinrich-Heine-University, 40225 Düsseldorf, Germany; (A.S.); (A.K.M.); (A.S.K.); (K.S.-B.)
| | - Karin Schulze-Bosse
- Central Institute for Clinical Chemistry and Laboratory Diagnostics, Medical Faculty, University Hospital Düsseldorf, Heinrich-Heine-University, 40225 Düsseldorf, Germany; (A.S.); (A.K.M.); (A.S.K.); (K.S.-B.)
| | - Harald Heidecke
- Cell Trend GmbH, 14943 Luckenwalde, Germany; (H.H.); (K.S.-F.)
| | | | - Matthias Schott
- Division for Specific Endocrinology, Medical Faculty, University Hospital Düsseldorf, Heinrich-Heine-University, 40225 Düsseldorf, Germany;
| | - Markus Uhrberg
- Institute for Transplantation Diagnostics and Cell Therapeutics, Medical Faculty, University Hospital Düsseldorf, Heinrich-Heine-University, 40225 Düsseldorf, Germany; (M.U.); (S.W.)
| | - Sandra Weinhold
- Institute for Transplantation Diagnostics and Cell Therapeutics, Medical Faculty, University Hospital Düsseldorf, Heinrich-Heine-University, 40225 Düsseldorf, Germany; (M.U.); (S.W.)
| | - Karl J. Lackner
- University Medical Center, Johannes Gutenberg-University Mainz, 55101 Mainz, Germany;
| | - Marc Pawlitzki
- Department of Neurology, Heinrich-Heine-University, 40225 Düsseldorf, Germany; (M.P.); (S.G.M.)
| | - Sven Guenther Meuth
- Department of Neurology, Heinrich-Heine-University, 40225 Düsseldorf, Germany; (M.P.); (S.G.M.)
| | - Fritz Boege
- Central Institute for Clinical Chemistry and Laboratory Diagnostics, Medical Faculty, University Hospital Düsseldorf, Heinrich-Heine-University, 40225 Düsseldorf, Germany; (A.S.); (A.K.M.); (A.S.K.); (K.S.-B.)
| | - Jana Ruhrländer
- Selbsthilfegruppe Post-Vac-Syndrom Deutschland e.V., 34121 Kassel, Germany;
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Kumar S, Banerjee A. Quantification of Dysautonomia in Major Depressive Disorder Using the Composite Autonomic Scoring Scale-31 (COMPASS-31). Cureus 2023; 15:e48008. [PMID: 38034226 PMCID: PMC10687486 DOI: 10.7759/cureus.48008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/30/2023] [Indexed: 12/02/2023] Open
Abstract
Background Dysautonomia denotes an alteration in the autonomic nervous system that can significantly lead to multiorgan failure. Conversely, depression not only affects cognitive functions but also poses a risk factor for sudden cardiac death. In our study, the Composite Autonomic Scoring-31 (COMPASS-31) is used to quantify the autonomic symptoms present if any in patients with depression. Materials and methods Forty-two patients with major depressive disorder (MDD) were recruited using a PHQ-9 questionnaire followed by a COMPASS-31 scale to quantify dysautonomia symptoms, and they were compared with healthy controls. Further regression analysis was conducted to establish any relationship between independent variables and COMPASS-31 scores. Results The average COMPASS-31 score in patients with MDD was 22.56±8.42, which was significantly increased compared to healthy controls (p=0.001). Furthermore, the differences persisted across various subdomains of the COMPASS-31 scale relative to severity of depression. Conclusion The study observations could provide a relevant perception regarding the association between depression and autonomic dysfunction with the use of a simple and brief yet validated instrument COMPASS-31, which can be utilized for screening at the primary care level.
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Affiliation(s)
- Sumit Kumar
- Psychiatry and Behavioral Sciences, Tata Main Hospital, Jamshedpur, IND
| | - Arijita Banerjee
- Physiology, Indian Institute of Technology, Kharagpur, Kharagpur, IND
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30
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Palma JA, Thijs RD. Non-Pharmacological Treatment of Autonomic Dysfunction in Parkinson's Disease and Other Synucleinopathies. J Parkinsons Dis 2023:JPD230173. [PMID: 37694308 DOI: 10.3233/jpd-230173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/12/2023]
Abstract
Symptoms of autonomic dysfunction are prevalent and can be very debilitating, reducing the quality of life in patients with Parkinson's disease (PD) and other synucleinopathies such as dementia with Lewy bodies and multiple system atrophy. Non-pharmacological therapies are key to effective management and are frequently used alone in patients with mild autonomic symptoms, or in combination with pharmacological therapies in patients with moderate and severe symptoms. This article focuses on non-pharmacological approaches. Our objective was to review the non-drug and non-surgical approaches to treating autonomic symptoms in patients with PD and other synucleinopathies, focusing on cardiovascular, gastrointestinal, and genitourinary autonomic dysfunction. Evidence supporting the effectiveness of non-pharmacological treatment for the management of neurogenic orthostatic hypotension, supine hypertension, constipation, and bladder and sexual dysfunction is available. High-quality prospective trials are scarce, yet some non-pharmacological interventions (e.g., physical counter maneuvers) can be evaluated relatively quickly on an individual basis and often seem effective. The emerging variety of clinical presentations advocates for a stepwise, individualized, and non-pharmacological approach for the management of autonomic symptoms. Often, the first step is to reduce or discontinue drugs that cause or aggravate autonomic symptoms followed by lifestyle measures. While non-pharmacological and non-surgical treatments are available and, in many cases, effective to improve symptoms of autonomic dysfunction in PD and other synucleinopathies, they are often overlooked. Large randomized trials testing and comparing non-pharmacological approaches are warranted.
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Affiliation(s)
- Jose-Alberto Palma
- Department of Neurology, New York University Grossman School of Medicine, New York, NY, USA
| | - Roland D Thijs
- Department of Neurology, Leiden University Medical Centre, Leiden, Netherlands
- Stichting Epilepsie Instellingen Nederland (SEIN), Heemstede, Netherlands
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31
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Todisco M, Cosentino G, Alfonsi E. External anal sphincter electromyography in multiple system atrophy: implications for diagnosis, clinical correlations, and novel insights into prognosis. Neural Regen Res 2023; 18:1903-1907. [PMID: 36926706 DOI: 10.4103/1673-5374.367833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
Multiple system atrophy is a sporadic, progressive, adult-onset, neurodegenerative disorder characterized by autonomic dysfunction symptoms, parkinsonian features, and cerebellar signs in various combinations. An early diagnosis of multiple system atrophy is of utmost importance for the proper prevention and management of its potentially fatal complications leading to the poor prognosis of these patients. The current diagnostic criteria incorporate several clinical red flags and magnetic resonance imaging markers supporting diagnosis of multiple system atrophy. Nonetheless, especially in the early disease stage, it can be challenging to differentiate multiple system atrophy from mimic disorders, in particular Parkinson's disease. Electromyography of the external anal sphincter represents a useful neurophysiological tool for differential diagnosis since it can provide indirect evidence of Onuf's nucleus degeneration, which is a pathological hallmark of multiple system atrophy. However, the diagnostic value of external anal sphincter electromyography has been a matter of debate for three decades due to controversial reports in the literature. In this review, after a brief overview of the electrophysiological methodology, we first aimed to critically analyze the available knowledge on the diagnostic role of external anal sphincter electromyography. We discussed the conflicting evidence on the clinical correlations of neurogenic abnormalities found at external anal sphincter electromyography. Finally, we reported recent prognostic findings of a novel classification of electromyography patterns of the external anal sphincter that could pave the way toward the implementation of this neurophysiological technique for survival prediction in patients with multiple system atrophy.
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Affiliation(s)
- Massimiliano Todisco
- Translational Neurophysiology Research Unit; Movement Disorders Research Center, IRCCS Mondino Foundation; Department of Brain and Behavioral Sciences, University of Pavia, Pavia, Italy
| | - Giuseppe Cosentino
- Translational Neurophysiology Research Unit, IRCCS Mondino Foundation; Department of Brain and Behavioral Sciences, University of Pavia, Pavia, Italy
| | - Enrico Alfonsi
- Translational Neurophysiology Research Unit, IRCCS Mondino Foundation, Pavia, Italy
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32
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Tsitsi P, Nilsson M, Waldthaler J, Öqvist Seimyr G, Larsson O, Svenningsson P, Markaki I. Pupil light reflex dynamics in Parkinson's disease. Front Integr Neurosci 2023; 17:1249554. [PMID: 37727653 PMCID: PMC10506153 DOI: 10.3389/fnint.2023.1249554] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Accepted: 08/17/2023] [Indexed: 09/21/2023] Open
Abstract
Introduction Visual disturbance is common symptom in Parkinson's disease (PD), and defective pupil light reflex (PLR) is an anticipated contributing factor that may be associated to the presence of autonomic dysfunction, which is a common non-motor feature of PD. Studies investigating the intercorrelation between PLR and dysautonomia in PD are limited. Methods The aim of this study was to investigate differences of PLR parameters, measured by eye-tracker, between patients with PD, with and without signs of dysautonomia, and healthy controls (HC). In total, 43 HC and 50 patients with PD were recruited and PLR parameters were measured with Tobii Pro Spectrum, during a long (1,000 ms) and a short (100 ms) light stimulus. Presence of orthostatic hypotension (OH) was used as proxy marker of dysautonomia. Linear mixed-effects model and non-parametric comparative statistics were applied to investigate differences among groups. Results Peak constriction velocity was slower in PD compared with HC, after adjustment for age and sex in the mixed model, and the difference was greater in the subgroup of PD with OH (unadjusted). Dilation amplitude and velocity were also gradually slower in HC vs. PD without OH vs. PD with OH (unadjusted for confounders). In the mixed model, age was significant predictor of dilation response. Discussion Our results support previous observations on defective PLR in PD, evaluated with eye-tracker, and show a possible association with autonomic dysfunction. Further studies with more patients and rigorous evaluation of autonomic dysfunction are needed to validate these findings.
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Affiliation(s)
- Panagiota Tsitsi
- Department of Clinical Neuroscience, Neuro, Karolinska Institutet, Stockholm, Sweden
- Center for Neurology, Academic Specialist Center, Stockholm, Sweden
| | - Mattias Nilsson
- Department of Clinical Neuroscience, Eye and Vision, Karolinska Institutet, Stockholm, Sweden
| | - Josefine Waldthaler
- Department of Clinical Neuroscience, Neuro, Karolinska Institutet, Stockholm, Sweden
- Center for Neurology, Academic Specialist Center, Stockholm, Sweden
| | - Gustaf Öqvist Seimyr
- Department of Clinical Neuroscience, Eye and Vision, Karolinska Institutet, Stockholm, Sweden
| | - Olof Larsson
- Division of Aging Research Center, Karolinska Institutet, Stockholm, Sweden
| | - Per Svenningsson
- Department of Clinical Neuroscience, Neuro, Karolinska Institutet, Stockholm, Sweden
- Center for Neurology, Academic Specialist Center, Stockholm, Sweden
- Department of Neurology, Karolinska University Hospital, Stockholm, Sweden
| | - Ioanna Markaki
- Department of Clinical Neuroscience, Neuro, Karolinska Institutet, Stockholm, Sweden
- Center for Neurology, Academic Specialist Center, Stockholm, Sweden
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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: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [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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Oliveira AC, Karas MM, Alves M, He J, de Kloet AD, Krause EG, Richards EM, Bryant AJ, Raizada MK. ACE2 overexpression in corticotropin-releasing-hormone cells offers protection against pulmonary hypertension. Front Neurosci 2023; 17:1223733. [PMID: 37638323 PMCID: PMC10447887 DOI: 10.3389/fnins.2023.1223733] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Accepted: 07/21/2023] [Indexed: 08/29/2023] Open
Abstract
Background Pulmonary hypertension (PH), characterized by elevated pulmonary pressure and right heart failure, is a systemic disease involving inappropriate sympathetic activation and an impaired gut-brain-lung axis. Global overexpression of angiotensin converting enzyme 2 (ACE2), a cardiopulmonary protective enzyme of the renin-angiotensin system, attenuates PH induced by chronic hypoxia. Neurons within the paraventricular nucleus of the hypothalamus (PVN) that synthesize corticotropin-releasing hormone (CRH) are activated by stressors, like hypoxia, and this activation augments sympathetic outflow to cardiovascular tissues. These data coupled with our observations that ACE2 overexpression in CRH cells (CRH-ACE2KI mice) decreases anxiety-like behavior via suppression of hypothalamic-pituitary-adrenal (HPA) axis activity by decreasing CRH synthesis, led us to hypothesize that selective ACE2 overexpression in CRH neurons would protect against hypoxia-induced PH. Methods CRH-ACE2KI and WT male and female mice were exposed to chronic hypoxia (10%O2) or normoxia (21%O2) for 4 weeks in a ventilated chamber with continuous monitoring of oxygen and carbon dioxide concentrations (n = 7-10/group). Pulmonary hemodynamics were measured with Millar pressure catheters then tissues were collected for histological analyses. Results Chronic hypoxia induced a significant increase (36.4%) in right ventricular (RV) systolic pressure (RVSP) in WT mice, which was not observed in CRH-ACE2KI mice. No significant differences in RVSP were observed between male and female mice in any of the groups. Conclusion Overexpression of ACE2 in CRH cells was protective against hypoxia-induced PH. Since the majority of expression of CRH is in brain nuclei such as paraventricular nucleus of the hypothalamus (PVN) and/or central nucleus of the amygdala (CeA) these data indicate that the protective effects of ACE2 are, at least in part, centrally mediated. This contributes to the systemic nature of PH disease and that CRH neurons may play an important role in PH.
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Affiliation(s)
- Aline C. Oliveira
- Division of Pulmonary, Critical Care and Sleep Medicine, College of Medicine, University of Florida, Gainesville, FL, United States
| | - Marianthi M. Karas
- Division of Pulmonary, Critical Care and Sleep Medicine, College of Medicine, University of Florida, Gainesville, FL, United States
| | - Matthew Alves
- Division of Pulmonary, Critical Care and Sleep Medicine, College of Medicine, University of Florida, Gainesville, FL, United States
| | - Jacky He
- Evelyn F. and William L. McKnight Brain Institute, University of Florida, Gainesville, FL, United States
- Department of Pharmacodynamics, College of Pharmacy, University of Florida, Gainesville, FL, United States
| | - Annette D. de Kloet
- Department of Pharmacodynamics, College of Pharmacy, University of Florida, Gainesville, FL, United States
- Department of Physiology and Aging, College of Medicine, University of Florida, Gainesville, FL, United States
| | - Eric G. Krause
- Evelyn F. and William L. McKnight Brain Institute, University of Florida, Gainesville, FL, United States
- Department of Pharmacodynamics, College of Pharmacy, University of Florida, Gainesville, FL, United States
- Center for Integrative Cardiovascular and Metabolic Diseases, University of Florida, Gainesville, FL, United States
| | - Elaine M. Richards
- Department of Physiology and Aging, College of Medicine, University of Florida, Gainesville, FL, United States
| | - Andrew J. Bryant
- Division of Pulmonary, Critical Care and Sleep Medicine, College of Medicine, University of Florida, Gainesville, FL, United States
| | - Mohan K. Raizada
- Department of Physiology and Aging, College of Medicine, University of Florida, Gainesville, FL, United States
- Center for Integrative Cardiovascular and Metabolic Diseases, University of Florida, Gainesville, FL, United States
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Lee B, Edling C, Ahmad S, LeBeau FEN, Tse G, Jeevaratnam K. Clinical and Non-Clinical Cardiovascular Disease Associated Pathologies in Parkinson's Disease. Int J Mol Sci 2023; 24:12601. [PMID: 37628780 PMCID: PMC10454288 DOI: 10.3390/ijms241612601] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Revised: 07/30/2023] [Accepted: 07/31/2023] [Indexed: 08/27/2023] Open
Abstract
Despite considerable breakthroughs in Parkinson's disease (PD) research, understanding of non-motor symptoms (NMS) in PD remains limited. The lack of basic level models that can properly recapitulate PD NMS either in vivo or in vitro complicates matters. Even so, recent research advances have identified cardiovascular NMS as being underestimated in PD. Considering that a cardiovascular phenotype reflects sympathetic autonomic dysregulation, cardiovascular symptoms of PD can play a pivotal role in understanding the pathogenesis of PD. In this study, we have reviewed clinical and non-clinical published papers with four key parameters: cardiovascular disease risks, electrocardiograms (ECG), neurocardiac lesions in PD, and fundamental electrophysiological studies that can be linked to the heart. We have highlighted the points and limitations that the reviewed articles have in common. ECG and pathological reports suggested that PD patients may undergo alterations in neurocardiac regulation. The pathological evidence also suggested that the hearts of PD patients were involved in alpha-synucleinopathy. Finally, there is to date little research available that addresses the electrophysiology of in vitro Parkinson's disease models. For future reference, research that can integrate cardiac electrophysiology and pathological alterations is required.
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Affiliation(s)
- Bonn Lee
- School of Veterinary Medicine, Faculty of Health and Medical Sciences, University of Surrey, VSM Building, Daphne Jackson Road, Guildford GU2 7YW, UK; (B.L.); (C.E.); (S.A.); (G.T.)
| | - Charlotte Edling
- School of Veterinary Medicine, Faculty of Health and Medical Sciences, University of Surrey, VSM Building, Daphne Jackson Road, Guildford GU2 7YW, UK; (B.L.); (C.E.); (S.A.); (G.T.)
| | - Shiraz Ahmad
- School of Veterinary Medicine, Faculty of Health and Medical Sciences, University of Surrey, VSM Building, Daphne Jackson Road, Guildford GU2 7YW, UK; (B.L.); (C.E.); (S.A.); (G.T.)
| | - Fiona E. N. LeBeau
- Biosciences Institute, Faculty of Medical Sciences, The Medical School, Newcastle University, Framlington Place, Newcastle upon Tyne NE2 4HH, UK;
| | - Gary Tse
- School of Veterinary Medicine, Faculty of Health and Medical Sciences, University of Surrey, VSM Building, Daphne Jackson Road, Guildford GU2 7YW, UK; (B.L.); (C.E.); (S.A.); (G.T.)
- Kent and Medway Medical School, University of Kent and Canterbury Christ Church University, Canterbury CT2 7FS, UK
| | - Kamalan Jeevaratnam
- School of Veterinary Medicine, Faculty of Health and Medical Sciences, University of Surrey, VSM Building, Daphne Jackson Road, Guildford GU2 7YW, UK; (B.L.); (C.E.); (S.A.); (G.T.)
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Wang F, Darby J. Case report: Central alveolar hypoventilation in a survivor of cardiopulmonary arrest. Front Neurol 2023; 14:1195008. [PMID: 37602250 PMCID: PMC10435288 DOI: 10.3389/fneur.2023.1195008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Accepted: 07/25/2023] [Indexed: 08/22/2023] Open
Abstract
Introduction Ondine's curse is a rare respiratory disorder that is characterized by central alveolar hypoventilation (CAH) during sleep. It is most commonly congenital. However, it can also be acquired very rarely. Herein, we report a young survivor who developed CAH following cardiopulmonary arrest. Case presentation A 35-year-old man was admitted to the Intensive Care Unit following unwitnessed cardiopulmonary arrest. Following resuscitative interventions, he remained comatose. Early diagnostic testing showed elevated neuronal specific enolase (28.7 ng/ml), absent cortical responses on evoked potential testing and MRI evidence of restricted diffusion in the cerebellum, hippocampi, juxtacortical white matter, superior cerebellar peduncles, dorsal pons, dorsolateral medulla, and upper cervical spinal cord. Ten days following admission, the patient remained comatose and underwent tracheostomy. He subsequently began to emerge from coma but had persistent unexplained hypotension and bradypnea necessitating ongoing vasopressor and respiratory support. Repeat MRI on hospital day 40 revealed residual FLAIR hyperintensities in the medulla within the nucleus tractus solitarius (NTS). After being discharged to long-term acute care facility, he was successfully liberated from mechanical ventilation 70 days post arrest. Conclusion We report the first survivor of cardiopulmonary arrest who was complicated by CAH and hypotension with MRI verified ischemic injury to the bilateral NTS regions. Despite this injury, ventilator and vasopressor dependency resolved over a period of 10 weeks. Our case highlighted the essential functions of NTS in regulating the respiratory and cardiovascular systems.
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Affiliation(s)
- Fajun Wang
- Department of Critical Care Medicine, University of Pittsburgh Medical Center, Pittsburgh, PA, United States
- Department of Neurology, Saint Louis University, Saint Louis, MO, United States
| | - Joseph Darby
- Department of Critical Care Medicine, University of Pittsburgh Medical Center, Pittsburgh, PA, United States
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Galanis P, Katsiroumpa A, Vraka I, Kosiara K, Siskou O, Konstantakopoulou O, Katsoulas T, Gallos P, Kaitelidou D. Post-COVID-19 Syndrome and Related Dysautonomia: Reduced Quality of Life, Increased Anxiety and Manifestation of Depressive Symptoms: Evidence from Greece. Acta Med Litu 2023; 30:139-151. [PMID: 38516508 PMCID: PMC10952430 DOI: 10.15388/amed.2023.30.2.6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2023] [Revised: 04/13/2023] [Accepted: 05/10/2023] [Indexed: 03/23/2024] Open
Abstract
Background Post-COVID-19 syndrome affects a significant number of SARS-CoV-2 infected individuals, even in asymptomatic cases causing several neurological and neuropsychiatric symptoms and signs. Materials and Methods An online cross-sectional study with a convenience sample was conducted in Greece from November 2022 to January 2023. We measured the demographic and clinical characteristics of patients with post-COVID-19 dysautonomia in terms of the quality of life with the EQ-5D-3L, and anxiety and depressive symptoms by employing Patient Health Questionnaire-4. Results The study population included 122 patients with post-COVID-19 syndrome. One out of four patients (27.8%) manifested post-COVID-19 dysautonomia, while the mean duration of COVID-19 symptoms was 11.6 months. Anxiety and depressive symptoms were worse after the post-COVID-19 syndrome (p<0.001 in both cases). A statistically significant reduction in quality of life was observed among patients after the post-COVID-19 syndrome (p<0.001 for both EQ-5D-3L index value and EQ-5D-3L VAS). Post-COVID-19 dysautonomia increased depression symptoms after developing the post-COVID-19 syndrome (p=0.02). We found a negative relationship between the duration of COVID-19 symptoms and the quality of life (p<0.001). Moreover, our results showed that depressive symptoms were more common among females after the post-COVID-19 syndrome (p=0.01). Also, the quality of life was lower among females than males (p=0.004 for EQ-5D-3L index value, and p=0.007 for EQ-5D-3L VAS). Conclusions Our results suggest that post-COVID-19 syndrome causes a tremendous impact on the patients' quality of life and mental health. In addition, we found that the groups most psychologically affected were patients with post-COVID-19 dysautonomia, females, and patients with a longer duration of symptoms. Policy makers should assign priority rights to vulnerable groups in future psychiatric planning. Policy measures should focus on the mental health of post-COVID-19 patients who seem to be particularly vulnerable.
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Affiliation(s)
- Petros Galanis
- Clinical Epidemiology Laboratory, Faculty of Nursing, National and Kapodistrian University of Athens, Athens, Greece
| | - Aglaia Katsiroumpa
- Clinical Epidemiology Laboratory, Faculty of Nursing, National and Kapodistrian University of Athens, Athens, Greece
| | - Irene Vraka
- Department of Radiology, P. & A. Kyriakou Children’s Hospital, Athens, Greece
| | - Katerina Kosiara
- Clinical Epidemiology Laboratory, Faculty of Nursing, National and Kapodistrian University of Athens, Athens, Greece
| | - Olga Siskou
- Department of Tourism Studies, University of Piraeus, Piraeus, Greece
| | - Olympia Konstantakopoulou
- Center for Health Services Management and Evaluation, Faculty of Nursing, National and Kapodistrian University of Athens, Athens, Greece
| | - Theodoros Katsoulas
- Faculty of Nursing, National and Kapodistrian University of Athens, Athens, Greece
| | - Parisis Gallos
- Faculty of Nursing, National and Kapodistrian University of Athens, Athens, Greece
| | - Daphne Kaitelidou
- Center for Health Services Management and Evaluation, Faculty of Nursing, National and Kapodistrian University of Athens, Athens, Greece
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López-Galán E, Montoya-Pedrón A, Sánchez-Hechavarría ME, Muñoz-Bustos ME, Muñoz-Bustos GA. The Relationship between Paresthesia and the Presence of Cardiac Dysautonomia in Patients with Post-COVID-19 Syndrome: A Preliminary Observational Study. Brain Sci 2023; 13:1095. [PMID: 37509025 PMCID: PMC10377413 DOI: 10.3390/brainsci13071095] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 07/09/2023] [Accepted: 07/10/2023] [Indexed: 07/30/2023] Open
Abstract
INTRODUCTION Post-Coronavirus disease 2019 (Post-COVID-19) syndrome has neurological symptoms related to the dysfunction of the autonomous nerve system. However, a pathogenic relationship between post-COVID-19 syndrome and dysautonomia still remains to be demonstrated. Establishing a pathogenic relationship between paresthesia and the presence of cardiac dysautonomia in patients with post-COVID-19 syndrome is the objective of this study. PARTICIPANTS AND METHODS This observational study was carried out in the neurophysiology service wing of the Juan Bruno Zayas Hospital, Santiago de Cuba, in Cuba. The patients were recruited through a post-COVID-19 clinic at the same hospital. A variability study of cardiac frequency and a test of autonomic cardiovascular reflexes was carried out, which is composed of deep breathing, orthostatism, and the Valsalva maneuver. RESULTS The variability parameters of the cardiac frequency, the expiration-inspiration ratio between deep breaths, and the Valsalva Index showed no statistically significant differences between healthy participants and those with post-COVID-19 syndrome. During the Valsalva maneuver, there was a greater cardiac frequency response in participants with post-COVID-19 syndrome than in healthy subjects. The difference in supine and standing blood pressure was significantly minor in patients with post-COVID-19 syndrome. The logarithm of high frequency (log HF) increased significantly in patients with paresthesia when compared to patients without paresthesia. CONCLUSIONS In the autonomic function tests, no signs of dysautonomia were found in patients with post-COVID-19 syndrome. The presence of paresthesias is associated with differences in cardiac vagal activity, which may suggest that damage to peripheral sensory nerve fibers could be associated with an affectation to autonomic fibres.
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Affiliation(s)
- Erislandis López-Galán
- Facultad de Medicina 2, Universidad de Ciencias Médicas de Santiago de Cuba, Santiago de Cuba 90100, Cuba
| | - Arquímedes Montoya-Pedrón
- Departamento de Neurofisiología Clínica, Hospital Clínico Quirúrgico Juan Brunos Zayas Alfonso, Universidad de Ciencias Médicas de Santiago de Cuba, Santiago de Cuba 90100, Cuba
| | - Miguel Enrique Sánchez-Hechavarría
- Departamento de Ciencias Clínicas y Preclínicas, Facultad de Medicina, Universidad Católica de la Santísima Concepción, Concepción 4090541, Chile
- Núcleo Científico de Ciencias de la Salud, Facultad de Ciencias de la Salud, Universidad Adventista de Chile, Chillán 3780000, Chile
| | - Mario Eugenio Muñoz-Bustos
- Departamento de Kinesiología, Facultad de Medicina, Universidad de Concepción, Concepción 4030000, Chile
| | - Gustavo Alejandro Muñoz-Bustos
- Escuela de Kinesiología, Facultad de Salud y Ciencias Sociales, Campus El Boldal, Sede Concepción, Universidad de Las Américas, Concepción 4030000, Chile
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Wilson GN. A Clinical Qualification Protocol Highlights Overlapping Genomic Influences and Neuro-Autonomic Mechanisms in Ehlers-Danlos and Long COVID-19 Syndromes. Curr Issues Mol Biol 2023; 45:6003-6023. [PMID: 37504295 PMCID: PMC10378515 DOI: 10.3390/cimb45070379] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Revised: 07/12/2023] [Accepted: 07/14/2023] [Indexed: 07/29/2023] Open
Abstract
A substantial fraction of the 15% with double-jointedness or hypermobility have the traditionally ascertained joint-skeletal, cutaneous, and cardiovascular symptoms of connective tissue dysplasia and its particular manifestation as Ehlers-Danlos syndrome (EDS). The holistic ascertainment of 120 findings in 1261 EDS patients added neuro-autonomic symptoms like headaches, muscle weakness, brain fog, chronic fatigue, dyspnea, and bowel irregularity to those of arthralgia and skin laxity, 15 of these symptoms shared with those of post-infectious SARS-CoV-2 (long COVID-19). Underlying articulo-autonomic mechanisms guided a clinical qualification protocol that qualified DNA variants in 317 genes as having diagnostic utility for EDS, six of them identical (F2-LIFR-NLRP3-STAT1-T1CAM1-TNFRSF13B) and eighteen similar to those modifying COVID-19 severity/EDS, including ADAMTS13/ADAMTS2-C3/C1R-IKBKG/IKBKAP-PIK3C3/PIK3R1-POLD4/POLG-TMPRSS2/TMPRSS6-WNT3/WNT10A. Also, contributing to EDS and COVID-19 severity were forty and three genes, respectively, impacting mitochondrial functions as well as parts of an overlapping gene network, or entome, that are hypothesized to mediate the cognitive-behavioral, neuro-autonomic, and immune-inflammatory alterations of connective tissue in these conditions. The further characterization of long COVID-19 natural history and genetic predisposition will be necessary before these parallels to EDS can be carefully delineated and translated into therapies.
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Affiliation(s)
- Golder N Wilson
- Department of Pediatrics, Texas Tech University Health Sciences Center, Lubbock, and KinderGenome Genetics Private Practice, 5347 W Mockingbird, Dallas, TX 75209, USA
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Chapagain S, Khati N, Lama R, Karki R, Aryal R, Pangyani B, Koirala A. Amyotrophic lateral sclerosis with respiratory failure and dysautonomia: a case report. Ann Med Surg (Lond) 2023; 85:3623-3625. [PMID: 37427180 PMCID: PMC10328630 DOI: 10.1097/ms9.0000000000000889] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Accepted: 05/13/2023] [Indexed: 07/11/2023] Open
Abstract
Amyotrophic lateral sclerosis (ALS) is a disease that affects both upper and lower motor neurons, causing a range of symptoms beyond the motor system. Recent research has shown that the autonomic nervous system can also be affected, with symptoms such as orthostatic hypotension, fluctuations in blood pressure, and dizziness being reported. Case presentation A 58-year-old male presented with left lower limb limping, difficulty climbing stairs, and left foot weakness, followed by right upper limb weakness and was diagnosed with ALS and received edaravone and riluzole treatment. He presented again with right lower limb weakness, shortness of breath, and wide fluctuations in blood pressure, leading to ICU admission with new diagnosis of ALS with dysautonomia with respiratory failure and was managed with non-invasive ventilation, physiotherapy, and gait training exercises. Clinical discussion ALS is a progressive neurodegenerative disease affecting motor neurons but non-motor symptoms can also occur, including dysautonomia, which can result in blood pressure fluctuations. Dysautonomia in ALS is caused by several mechanisms such as severe muscle atrophy, prolonged ventilatory support, and upper and lower motor neuron lesions. Management of ALS involves giving a definitive diagnosis, providing nutritional support, using disease-modifying drugs such as riluzole and non-invasive ventilation to improve survival and quality of life. Early diagnosis is essential for effective management of the disease. Conclusion Early diagnosis, use of disease-modifying drugs, non-invasive ventilation, and maintaining the patient's nutritional status are crucial for managing ALS which can have non-motor symptoms as well.
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Affiliation(s)
| | - Nirajan Khati
- Kathmandu Medical College and Teaching Hospital, Sinamangal
| | | | - Rikesh Karki
- Kathmandu Medical College and Teaching Hospital, Sinamangal
| | - Roshan Aryal
- Maharajgunj Medical Campus, Institute of Medicine, Maharajgunj, Kathmandu
| | - Binaya Pangyani
- Maharajgunj Medical Campus, Institute of Medicine, Maharajgunj, Kathmandu
| | - Anupam Koirala
- B. P. Koirala Institute of Health Sciences, Dharan, Nepal
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Seeley MC, Gallagher C, Ong E, Langdon A, Chieng J, Bailey D, Page A, Lim HS, Lau DH. High incidence of autonomic dysfunction and postural orthostatic tachycardia syndrome in patients with long-COVID: Implications for management and healthcare planning. Am J Med 2023:S0002-9343(23)00402-3. [PMID: 37391116 PMCID: PMC10307671 DOI: 10.1016/j.amjmed.2023.06.010] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Accepted: 06/12/2023] [Indexed: 07/02/2023]
Abstract
BACKGROUND Autonomic dysfunction including postural orthostatic tachycardia syndrome (POTS) has been reported in individuals with post-acute sequelae of Covid-19 (PASC). However, the degree of dysautonomia in PASC has not been compared to those with POTS and healthy controls. METHODS All participants were prospectively enrolled between 5th August 2021 and 31st October 2022. Autonomic testing included beat-to-beat hemodynamic monitoring to assess respiratory sinus arrhythmia, Valsalva ratio and orthostatic changes during a 10-minute active standing test as well as Sudomotor assessment. The Composite Autonomic Symptom Score (COMPASS-31) was used to assess symptoms and the Euroquol 5-Dimension survey (EQ-5D-5L) was used to assess health-related quality of life (HrQoL) measures. RESULTS A total of 99 participants (n=33 PASC, n=33 POTS and n=33 healthy controls; median age 32 [18], 85.9% females) were included. Compared to healthy controls, the PASC and POTS cohorts demonstrated significantly reduced respiratory sinus arrhythmia (p<0.001), greater heart rate increase during 10-minute active standing test (p<0.001), greater burden of autonomic dysfunction evidenced by higher COMPASS-31 scores across all subdomains (all p<0.001) and poor HrQoL across all EQ-5D-5L domains (all p<0.001), lower median EQ-VAS (p<0.001) and lower utility scores (p<0.001). The majority (79%) of those with PASC met the internationally established criteria for POTS. CONCLUSION The prevalence of autonomic symptomology or POTS was high in those with PASC, leading to poor HrQoL and high health disutility. Autonomic testing should be routinely undertaken in those with PASC to aid diagnosis and direct appropriate management to improve health outcomes. TRIAL REGISTRATION ANZCTR 12621000476831.
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Affiliation(s)
- Marie-Claire Seeley
- Australian Dysautonomia and Arrhythmia Research Collaborative, Faculty of Health and Medical Sciences, The University of Adelaide; South Australian Health and Medical Research Institute
| | - Celine Gallagher
- Australian Dysautonomia and Arrhythmia Research Collaborative, Faculty of Health and Medical Sciences, The University of Adelaide; South Australian Health and Medical Research Institute
| | - Eric Ong
- Australian Dysautonomia and Arrhythmia Research Collaborative, Faculty of Health and Medical Sciences, The University of Adelaide; College of Medicine and Public Health, Flinders University, South Australia, Australia
| | - Amy Langdon
- Australian Dysautonomia and Arrhythmia Research Collaborative, Faculty of Health and Medical Sciences, The University of Adelaide; College of Medicine and Public Health, Flinders University, South Australia, Australia
| | - Jonathan Chieng
- Australian Dysautonomia and Arrhythmia Research Collaborative, Faculty of Health and Medical Sciences, The University of Adelaide
| | - Danielle Bailey
- Australian Dysautonomia and Arrhythmia Research Collaborative, Faculty of Health and Medical Sciences, The University of Adelaide
| | - Amanda Page
- Australian Dysautonomia and Arrhythmia Research Collaborative, Faculty of Health and Medical Sciences, The University of Adelaide; South Australian Health and Medical Research Institute; College of Medicine and Public Health, Flinders University, South Australia, Australia; The University of Melbourne, Austin and Northern Health, Victoria, Australia
| | - Han S Lim
- The University of Melbourne, Austin and Northern Health, Victoria, Australia
| | - Dennis H Lau
- Australian Dysautonomia and Arrhythmia Research Collaborative, Faculty of Health and Medical Sciences, The University of Adelaide; South Australian Health and Medical Research Institute.
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Abdelnabi M, Saleh Y, Ahmed A, Benjanuwattra J, Leelaviwat N, Almaghraby A. Ivabradine effects on COVID-19-associated postural orthostatic tachycardia syndrome: a single center prospective study. Am J Cardiovasc Dis 2023; 13:162-167. [PMID: 37469536 PMCID: PMC10352820] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Accepted: 05/17/2023] [Indexed: 07/21/2023]
Abstract
BACKGROUND A wide range of cardiac arrhythmias were reported in the setting of active infection or as a complication of COVID-19. The main pathophysiology can be attributed to dysautonomia or autonomic nervous system dysfunction. Postural orthostatic tachycardia syndrome (POTS) is a complex, multisystemic disorder affecting usually younger age with tachycardia at rest or with minimal effort being the main symptom. Data regarding the safety and efficacy of ivabradine in POTS treatment is limited to small studies and case reports. METHODS This prospective observational study included a total of 55 COVID-19-associated POTS patients after the exclusion of other causes of tachycardia. Ivabradine 5 mg twice daily was initiated. Re-assessment of patients' symptoms, heart rate, and heart rate variability (HRV) parameters' changes after 3 days of ivabradine therapy was done. RESULTS The mean age of the included patients was 30.5±6.9 years with 32 patients being males (58.2%). 43 of 55 (78%) of the included patients reported significant improvement of the symptoms within 7 days of ivabradine therapy. 24-hour heart rate (minimum, average, and maximum) was significantly lower (p-value < 0.0001*, = 0.001*, < 0.0001* consecutively) with a significant difference in HRV time-domain parameters (SDNN, rMSSD) (p-value < 0.0001*) after ivabradine therapy. CONCLUSION In a prospective study that evaluated the effects of ivabradine in post-COVID-19 POTS, patients treated with ivabradine reported improvement of their symptoms within 7 days of ivabradine treatment with a significant reduction of 24-hour average, minimum, and maximum heart rate, and improvement of HRV time domains parameters. Ivabradine might be a useful option to relieve symptoms of tachycardia in COVID-19 POTS. Further research is required to confirm the safety and efficacy of ivabradine in POTS treatment.
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Affiliation(s)
- Mahmoud Abdelnabi
- Internal Medicine Department, Texas Tech University Health Science CenterLubbock, Texas, USA
| | - Yehia Saleh
- Cardiology Department, Houston Methodist DeBakey Heart & Vascular CenterHouston, Texas, USA
| | - Ashraf Ahmed
- Cardiology Department, Faculty of Medicine, Alexandria UniversityAlexandria, Egypt
| | - Juthipong Benjanuwattra
- Internal Medicine Department, Texas Tech University Health Science CenterLubbock, Texas, USA
| | - Natnicha Leelaviwat
- Internal Medicine Department, Texas Tech University Health Science CenterLubbock, Texas, USA
| | - Abdallah Almaghraby
- Cardiology Department, Faculty of Medicine, Alexandria UniversityAlexandria, Egypt
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Talalai E, Gorobets D, Halpert G, Tsur AM, Heidecke H, Levy Y, Watad A, Blank M, Michaelevski I, Shoenfeld Y, Amital H. Functional IgG Autoantibodies against Autonomic Nervous System Receptors in Symptomatic Women with Silicone Breast Implants. Cells 2023; 12:1510. [PMID: 37296631 PMCID: PMC10252975 DOI: 10.3390/cells12111510] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2023] [Revised: 05/24/2023] [Accepted: 05/25/2023] [Indexed: 06/12/2023] Open
Abstract
The association between the clinical picture of symptomatic women with silicone breast implants (SBI) and dysregulated immunity was in dispute for decades. In the current study, we describe for the first time the functional activity of purified IgG antibodies derived from symptomatic women with SBIs (suffering from subjective/autonomic-related symptoms), both in vitro and in vivo. We found that IgGs, derived from symptomatic women with SBIs, dysregulate inflammatory cytokines (TNFα, IL-6) in activated human peripheral blood mononuclear cells, compared to healthy-women-derived IgGs. Importantly, behavioral studies conducted following intracerebroventricular injection of IgGs derived from symptomatic women with SBIs (who have dysregulated circulating level of IgG autoantibodies directed against autonomic nervous system receptors) into mice brains demonstrated a specific and transient significant increment (about 60%) in the time spent at the center of the open field arena compared with mice injected with IgG from healthy women (without SBIs). This effect was accompanied with a strong trend of reduction of the locomotor activity of the SBI-IgG treated mice, indicating an overall apathic-like behavior. Our study is the first to show the potential pathogenic activity of IgG autoantibodies in symptomatic women with SBIs, emphasizing the importance of these antibodies in SBI-related illness.
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Affiliation(s)
- Efrosiniia Talalai
- Zabludowicz Center for Autoimmune Diseases, Sheba Medical Center, Tel-Hashomer, Ramat Gan 52621, Israel; (E.T.); (A.M.T.); (A.W.); (M.B.); (Y.S.); (H.A.)
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 69978, Israel;
| | - Denis Gorobets
- Department of Molecular Biology, Ariel University, Ariel 40700, Israel; (D.G.); (I.M.)
| | - Gilad Halpert
- Zabludowicz Center for Autoimmune Diseases, Sheba Medical Center, Tel-Hashomer, Ramat Gan 52621, Israel; (E.T.); (A.M.T.); (A.W.); (M.B.); (Y.S.); (H.A.)
- Department of Molecular Biology, Ariel University, Ariel 40700, Israel; (D.G.); (I.M.)
| | - Avishai M. Tsur
- Zabludowicz Center for Autoimmune Diseases, Sheba Medical Center, Tel-Hashomer, Ramat Gan 52621, Israel; (E.T.); (A.M.T.); (A.W.); (M.B.); (Y.S.); (H.A.)
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 69978, Israel;
- Department of Medicine ‘B’, Sheba Medical Center, Tel-Hashomer, Ramat Gan 52621, Israel
- Israel Defense Forces, Medical Corps, Ramat Gan 91905, Israel
- Department of Military Medicine, Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem 91031, Israel
| | | | - Yair Levy
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 69978, Israel;
- Department of Medicine E, Meir Medical Center, Kfar Saba 44281, Israel
| | - Abdulla Watad
- Zabludowicz Center for Autoimmune Diseases, Sheba Medical Center, Tel-Hashomer, Ramat Gan 52621, Israel; (E.T.); (A.M.T.); (A.W.); (M.B.); (Y.S.); (H.A.)
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 69978, Israel;
- Department of Medicine ‘B’, Sheba Medical Center, Tel-Hashomer, Ramat Gan 52621, Israel
| | - Miri Blank
- Zabludowicz Center for Autoimmune Diseases, Sheba Medical Center, Tel-Hashomer, Ramat Gan 52621, Israel; (E.T.); (A.M.T.); (A.W.); (M.B.); (Y.S.); (H.A.)
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 69978, Israel;
| | - Izhak Michaelevski
- Department of Molecular Biology, Ariel University, Ariel 40700, Israel; (D.G.); (I.M.)
- Adelson School of Medicine, Ariel University, Ariel 40700, Israel
| | - Yehuda Shoenfeld
- Zabludowicz Center for Autoimmune Diseases, Sheba Medical Center, Tel-Hashomer, Ramat Gan 52621, Israel; (E.T.); (A.M.T.); (A.W.); (M.B.); (Y.S.); (H.A.)
- Reichman University, Herzelia 46101, Israel
| | - Howard Amital
- Zabludowicz Center for Autoimmune Diseases, Sheba Medical Center, Tel-Hashomer, Ramat Gan 52621, Israel; (E.T.); (A.M.T.); (A.W.); (M.B.); (Y.S.); (H.A.)
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 69978, Israel;
- Department of Medicine ‘B’, Sheba Medical Center, Tel-Hashomer, Ramat Gan 52621, Israel
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Villena-Salinas J, Ortega-Lozano SJ, Amrani-Raissouni T, Agüera E, Caballero-Villarraso J. Diagnostic Effectiveness of [ 123I]Ioflupane Single Photon Emission Computed Tomography (SPECT) in Multiple System Atrophy. J Clin Med 2023; 12:jcm12103478. [PMID: 37240584 DOI: 10.3390/jcm12103478] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 05/07/2023] [Accepted: 05/10/2023] [Indexed: 05/28/2023] Open
Abstract
BACKGROUND Multiple system atrophy (MSA) is a rapidly progressive neurodegenerative disorder that has no curative treatment. Diagnosis is based on a set of criteria established by Gilman (1998 and 2008) and recently updated by Wenning (2022). We aim to determine the effectiveness of [123I]Ioflupane SPECT in MSA, especially at the initial clinical suspicion. METHODS A cross-sectional study of patients at the initial clinical suspicion of MSA, referred for [123I]Ioflupane SPECT. RESULTS Overall, 139 patients (68 men, 71 women) were included, 104 being MSA-probable and 35 MSA-possible. MRI was normal in 89.2%, while SPECT was positive in 78.45%. SPECT showed high sensitivity (82.46%) and positive predictive value (86.24), reaching maximum sensitivity in MSA-P (97.26%). Significant differences were found when relating both SPECT assessments in the healthy-sick and inconclusive-sick groups. We also found an association when relating SPECT to the subtype (MSA-C or MSA-P), as well as to the presence of parkinsonian symptoms. Lateralization of striatal involvement was detected (left side). CONCLUSIONS [123I]Ioflupane SPECT is a useful and reliable tool for diagnosing MSA, with good effectiveness and accuracy. Qualitative assessment shows a clear superiority when distinguishing between the healthy-sick categories, as well as between the parkinsonian (MSA-P) and cerebellar (MSA-C) subtypes at initial clinical suspicion.
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Affiliation(s)
- Javier Villena-Salinas
- Nuclear Medicine Service, Virgen de la Victoria University Hospital, 29010 Málaga, Spain
| | | | | | - Eduardo Agüera
- Neurology Service, Reina Sofia University Hospital, 14004 Córdoba, Spain
- Maimónides Biomedical Research Institute of Córdoba (IMIBIC), 14004 Córdoba, Spain
| | - Javier Caballero-Villarraso
- Maimónides Biomedical Research Institute of Córdoba (IMIBIC), 14004 Córdoba, Spain
- Clinical Analyses Service, Reina Sofía University Hospital, 14004 Córdoba, Spain
- Department of Biochemistry and Molecular Biology, Universidad of Córdoba, 14004 Córdoba, Spain
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Isaac RO, Corrado J, Sivan M. Detecting Orthostatic Intolerance in Long COVID in a Clinic Setting. Int J Environ Res Public Health 2023; 20:ijerph20105804. [PMID: 37239531 DOI: 10.3390/ijerph20105804] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 05/07/2023] [Accepted: 05/10/2023] [Indexed: 05/28/2023]
Abstract
INTRODUCTION A likely mechanism of Long COVID (LC) is dysautonomia, manifesting as orthostatic intolerance (OI). In our LC service, all patients underwent a National Aeronautics and Space Administration (NASA) Lean Test (NLT), which can detect OI syndromes of Postural Tachycardia Syndrome (PoTS) or Orthostatic Hypotension (OH) in a clinic setting. Patients also completed the COVID-19 Yorkshire Rehabilitation Scale (C19-YRS), a validated LC outcome measure. Our objectives in this retrospective study were (1) to report on the findings of the NLT; and (2) to compare findings from the NLT with LC symptoms reported on the C19-YRS. METHODS NLT data, including maximum heart rate increase, blood pressure decrease, number of minutes completed and symptoms experienced during the NLT were extracted retrospectively, together with palpitation and dizziness scores from the C19-YRS. Mann-Witney U tests were used to examine for statistical difference in palpitation or dizziness scores between patients with normal NLT and those with abnormal NLT. Spearman's rank was used to examine the correlation between the degree of postural HR and BP change with C19-YRS symptom severity score. RESULTS Of the 100 patients with LC recruited, 38 experienced symptoms of OI during the NLT; 13 met the haemodynamic screening criteria for PoTS and 9 for OH. On the C19-YRS, 81 reported dizziness as at least a mild problem, and 68 for palpitations being at least a mild problem. There was no significant statistical difference between reported dizziness or palpitation scores in those with normal NLT and those with abnormal NLT. The correlation between symptom severity score and NLT findings was <0.16 (poor). CONCLUSIONS We have found evidence of OI, both symptomatically and haemodynamically in patients with LC. The severity of palpitations and dizziness reported on the C19-YRS does not appear to correlate with NLT findings. We would recommend using the NLT in all LC patients in a clinic setting, regardless of presenting LC symptoms, due to this inconsistency.
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Affiliation(s)
- Robert Oliver Isaac
- National Demonstration Centre for Rehabilitation, Leeds Teaching Hospitals NHS Trust, Leeds LS7 4SA, UK
- Long COVID Rehabilitation Service, Leeds Community Healthcare Trust, Leeds LS6 1PF, UK
- Academic Department of Rehabilitation Medicine, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds LS7 4SA, UK
| | - Joanna Corrado
- National Demonstration Centre for Rehabilitation, Leeds Teaching Hospitals NHS Trust, Leeds LS7 4SA, UK
- Long COVID Rehabilitation Service, Leeds Community Healthcare Trust, Leeds LS6 1PF, UK
- Academic Department of Rehabilitation Medicine, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds LS7 4SA, UK
| | - Manoj Sivan
- National Demonstration Centre for Rehabilitation, Leeds Teaching Hospitals NHS Trust, Leeds LS7 4SA, UK
- Long COVID Rehabilitation Service, Leeds Community Healthcare Trust, Leeds LS6 1PF, UK
- Academic Department of Rehabilitation Medicine, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds LS7 4SA, UK
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Norweg A, Yao L, Barbuto S, Nordvig AS, Tarpey T, Collins E, Whiteson J, Sweeney G, Haas F, Leddy J. Exercise Intolerance Associated with Impaired Oxygen Extraction in Patients with Long COVID. Respir Physiol Neurobiol 2023; 313:104062. [PMID: 37076024 PMCID: PMC10108551 DOI: 10.1016/j.resp.2023.104062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2023] [Revised: 04/08/2023] [Accepted: 04/16/2023] [Indexed: 04/21/2023]
Abstract
OBJECTIVE Chronic mental and physical fatigue and post-exertional malaise are the more debilitating symptoms of long COVID-19. The study objective was to explore factors contributing to exercise intolerance in long COVID-19 to guide development of new therapies. Exercise capacity data of patients referred for a cardiopulmonary exercise test (CPET) and included in a COVID-19 Survivorship Registry at one urban health center were retrospectively analyzed. RESULTS Most subjects did not meet normative criteria for a maximal test, consistent with suboptimal effort and early exercise termination. Mean O2 pulse peak % predicted (of 79 ± 12.9) was reduced, supporting impaired energy metabolism as a mechanism of exercise intolerance in long COVID, n=59. We further identified blunted rise in heart rate peak during maximal CPET. Our preliminary analyses support therapies that optimize bioenergetics and improve oxygen utilization for treating long COVID-19.
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Affiliation(s)
- Anna Norweg
- Department of Rehabilitation and Regenerative Medicine, Columbia University College of Physicians and Surgeons.
| | - Lanqiu Yao
- Department of Population Health, New York University Grossman School of Medicine
| | - Scott Barbuto
- Department of Rehabilitation and Regenerative Medicine, Columbia University College of Physicians and Surgeons
| | | | - Thaddeus Tarpey
- Department of Population Health, New York University Grossman School of Medicine
| | - Eileen Collins
- College of Nursing, University of Illinois At Chicago, Chicago
| | - Jonathan Whiteson
- Department of Rehabilitation Medicine, New York University Grossman School of Medicine
| | - Greg Sweeney
- Department of Rehabilitation Medicine, New York University Grossman School of Medicine
| | - Francois Haas
- Department of Rehabilitation Medicine, New York University Grossman School of Medicine
| | - John Leddy
- UBMD Depart of Orthopaedics and Sports Medicine, SUNY Buffalo Jacobs School of Medicine and Biomedical Science
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Baker AME, Maffitt NJ, Del Vecchio A, McKeating KM, Baker MR, Baker SN, Soteropoulos DS. Neural dysregulation in post-COVID fatigue. Brain Commun 2023; 5:fcad122. [PMID: 37304792 PMCID: PMC10257363 DOI: 10.1093/braincomms/fcad122] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Revised: 02/17/2023] [Accepted: 04/11/2023] [Indexed: 06/13/2023] Open
Abstract
Following infection with SARS-CoV-2, a substantial minority of people develop lingering after-effects known as 'long COVID'. Fatigue is a common complaint with a substantial impact on daily life, but the neural mechanisms behind post-COVID fatigue remain unclear. We recruited 37 volunteers with self-reported fatigue after a mild COVID infection and carried out a battery of behavioural and neurophysiological tests assessing the central, peripheral and autonomic nervous systems. In comparison with age- and sex-matched volunteers without fatigue (n = 52), we show underactivity in specific cortical circuits, dysregulation of autonomic function and myopathic change in skeletal muscle. Cluster analysis revealed no subgroupings, suggesting post-COVID fatigue is a single entity with individual variation, rather than a small number of distinct syndromes. Based on our analysis, we were also able to exclude dysregulation in sensory feedback circuits and descending neuromodulatory control. These abnormalities on objective tests may aid in the development of novel approaches for disease monitoring.
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Affiliation(s)
| | | | - Alessandro Del Vecchio
- Department Artificial Intelligence in Biomedical Engineering, Friedrich–Alexander University Erlangen–Nürnberg, 91052 Erlangen, Germany
| | | | - Mark R Baker
- Faculty of Medical Sciences, Newcastle University, Newcastle Upon Tyne, NE2 4HH, UK
| | - Stuart N Baker
- Faculty of Medical Sciences, Newcastle University, Newcastle Upon Tyne, NE2 4HH, UK
| | - Demetris S Soteropoulos
- Correspondence to: Dr Demetris S. Soteropoulos Biosciences Institute, Faculty of Medical Sciences, Framlington Place, Newcastle University Newcastle Upon Tyne, NE2 4HH, UK E-mail:
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Debain A, Loosveldt FA, Knoop V, Costenoble A, Lieten S, Petrovic M, Bautmans I. Frail OLDER ADULTS are more likely TO have autonomic dysfunction: A systematic review and META-ANALYSIs. Ageing Res Rev 2023; 87:101925. [PMID: 37028604 DOI: 10.1016/j.arr.2023.101925] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Revised: 03/26/2023] [Accepted: 04/01/2023] [Indexed: 04/09/2023]
Abstract
Autonomic dysfunction and frailty are two common and complex geriatric syndromes. Their prevalence increases with age and they have similar negative health outcomes. In PubMed and Web of Science we screened studies identifying a relationship between autonomic function (AF) and frailty in adults aged ≥65 years. Twenty-two studies of which two prospective and 20 cross-sectional were included (n=8375). We performed a meta-analysis for the articles addressing orthostatic hypotension (OH). Frailty was associated with 1.6 higher odds of suffering from consensus OH (COH) {OR=1.607 95%CI [1.15-2.24]; 7 studies; n=3488}. When measured for each type of OH the largest trend was seen between initial OH (IOH) and frailty {OR=3.08; 95%CI [1.50-6.36]; 2 studies; n=497}. Fourteen studies reported other autonomic function alterations in frail older adults with 4-22% reduction in orthostatic heart rate increase, 6% reduction in systolic blood pressure recovery, 9-75% reduction in most common used heart rate variability (HRV) parameters. Frail older adults were more likely to have impaired AF. Diagnosis of frailty should promptly lead to orthostatic testing as OH implicates specific treatment modalities, which differ from frailty management. As IOH is most strongly correlated with frailty, continuous beat to beat blood pressure measurements should be performed when present at least until cut-off values for heart rate variability testing are defined.
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Affiliation(s)
- Aziz Debain
- Gerontology department, Vrije Universiteit Brussel (VUB), Laarbeeklaan 103, B-1090 Brussels, Belgium; Frailty in Ageing (FRIA) Research department, Vrije Universiteit Brussel (VUB), Laarbeeklaan 103, B-1090 Brussels, Belgium
| | - Fien Ann Loosveldt
- Gerontology department, Vrije Universiteit Brussel (VUB), Laarbeeklaan 103, B-1090 Brussels, Belgium; Frailty in Ageing (FRIA) Research department, Vrije Universiteit Brussel (VUB), Laarbeeklaan 103, B-1090 Brussels, Belgium
| | - Veerle Knoop
- Gerontology department, Vrije Universiteit Brussel (VUB), Laarbeeklaan 103, B-1090 Brussels, Belgium; Frailty in Ageing (FRIA) Research department, Vrije Universiteit Brussel (VUB), Laarbeeklaan 103, B-1090 Brussels, Belgium
| | - Axelle Costenoble
- Gerontology department, Vrije Universiteit Brussel (VUB), Laarbeeklaan 103, B-1090 Brussels, Belgium; Frailty in Ageing (FRIA) Research department, Vrije Universiteit Brussel (VUB), Laarbeeklaan 103, B-1090 Brussels, Belgium
| | - Siddhartha Lieten
- Frailty in Ageing (FRIA) Research department, Vrije Universiteit Brussel (VUB), Laarbeeklaan 103, B-1090 Brussels, Belgium; Department of Geriatrics, Universitair Ziekenhuis Gent (UZGent), Corneel Heymanslaan 10, 9000 Gent
| | - Mirko Petrovic
- Frailty in Ageing (FRIA) Research department, Vrije Universiteit Brussel (VUB), Laarbeeklaan 103, B-1090 Brussels, Belgium; Department of Geriatrics, Universitair Ziekenhuis Gent (UZGent), Corneel Heymanslaan 10, 9000 Gent
| | - Ivan Bautmans
- Gerontology department, Vrije Universiteit Brussel (VUB), Laarbeeklaan 103, B-1090 Brussels, Belgium; Frailty in Ageing (FRIA) Research department, Vrije Universiteit Brussel (VUB), Laarbeeklaan 103, B-1090 Brussels, Belgium.
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Ventosa JR, Kulcsárová K, Mertová L, Olejár M, Škorvánek M, Gdovinová Z, Feketeova E. Heart Rate Variability in evaluation of autonomic dysfunction in idiopathic REM-sleep behaviour disorder. Neurol Neurochir Pol 2023:VM/OJS/J/93217. [PMID: 36999374 DOI: 10.5603/pjnns.a2023.0021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 01/29/2023] [Accepted: 01/30/2023] [Indexed: 04/01/2023]
Abstract
INTRODUCTION Nearly 80% of people diagnosed with idiopathic REM sleep behaviour disorder (iRBD) via video-polysomnography (v-PSG) are expected to be in the prodromal stage of an alpha-synucleinopathy. Signs of autonomic dysfunction can appear earlier than motor or cognitive alpha-synucleinopathy symptoms. Heart Rate Variability (HRV) can potentially be an objective measurement of autonomic dysfunction, and furthermore can be obtained directly from v-PSG. OBJECTIVES The aim of this study was to evaluate dysautonomia in iRBD subjects using HRV obtained during different sleep stages and wakefulness from v-PSG. MATERIAL AND METHODS Subjects positively screened by an RBD screening questionnaire (RBD-SQ) underwent v-PSG to diagnose RBD. HRV obtained from v-PSG recordings was correlated to dysautonomia evaluated from a Non-Motor Symptoms Scale (NMSS) questionnaire. Optimal cut-off values of HRV parameters to predict dysautonomia were calculated using receiver operating characteristics (ROC) - area under the curve (AUC) analysis. The effect of confounder variables was predicted with binomial logistic regression and multiple regression analyses. RESULTS Out of 72 positively screened subjects, 29 subjects were diagnosed as iRBD (mean age 66 ± 7.7 years) by v-PSG. Eighty-three per cent of the iRBD subjects in our cohort were at the time of diagnosis classified as having possible or probable prodromal Parkinson's Disease (pPD) compared to zero subjects being positively screened in the control group. The iRBD-positive subjects showed significant inverse correlations of NMSS score, particularly to log low-frequency (LF) component of HRV during wakefulness: r = -0.59 (p = 0.001). Based on ROC analysis and correlation between NMSS score, log LF during wakefulness (AUC 0.74, cut-off 4.69, sensitivity 91.7%, specificity 64.7%, p = 0.028) was considered as the most accurate predictor of dysautonomia in the iRBD group. Apnoea-hypopnoea index (AHI) negatively predicted dysautonomia in the iRBD group. None of the HRV components was able to predict the presence of iRBD in the full cohort. Age, gender, and PSG variables were significant confounders of HRV prediction. CONCLUSIONS The presented study did not confirm the possibility of using HRV from v-PSG records of patients with iRBD to predict dysautonomia expressed by questionnaire methods. This is probably due to several confounding factors capable of influencing HRV in such a cohort.
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Affiliation(s)
- Joaquim Ribeiro Ventosa
- Department of Neurology, Medical Faculty, University of Pavol Jozef Safarik, Kosice, Slovakia
- Department of Neurology, Louis Pasteur University Hospital, Kosice, Slovakia
| | - Kristína Kulcsárová
- Department of Neurology, Medical Faculty, University of Pavol Jozef Safarik, Kosice, Slovakia
- Department of Neurology, Louis Pasteur University Hospital, Kosice, Slovakia
| | | | - Maroš Olejár
- Department of Neurology, Medical Faculty, University of Pavol Jozef Safarik, Kosice, Slovakia
| | - Matej Škorvánek
- Department of Neurology, Medical Faculty, University of Pavol Jozef Safarik, Kosice, Slovakia
- Department of Neurology, Louis Pasteur University Hospital, Kosice, Slovakia
| | - Zuzana Gdovinová
- Department of Neurology, Medical Faculty, University of Pavol Jozef Safarik, Kosice, Slovakia
- Department of Neurology, Louis Pasteur University Hospital, Kosice, Slovakia
| | - Eva Feketeova
- Department of Neurology, Medical Faculty, University of Pavol Jozef Safarik, Kosice, Slovakia.
- Department of Neurology, Louis Pasteur University Hospital, Kosice, Slovakia.
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Kim D, Kim MJ, Kim JH, Oh J, Choi K. A Pilot Study of Autonomic Function Screening Tests for Differentiating Complex Regional Pain Syndrome Type II and Traumatic Neuropathic Pain. Medicina (Kaunas) 2023; 59:medicina59040646. [PMID: 37109606 PMCID: PMC10143614 DOI: 10.3390/medicina59040646] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Revised: 03/18/2023] [Accepted: 03/21/2023] [Indexed: 04/29/2023]
Abstract
Background and Objectives: One of the most challenging tasks in a clinical setting is to differentiate between complex regional pain syndrome (CRPS) type II and traumatic neuropathic pain (NeP). CRPS is characterized by several dysautonomic manifestations, such as edema, hyper/hypohidrosis, skin color change, and tachycardia. This study compared the outcomes of autonomic function screening tests in patients with CRPS type II and traumatic NeP for diagnostic differentiation. Materials and Methods: CRPS type II was diagnosed according to the Budapest research criteria, while NeP was diagnosed according to the updated grading system suggested by the International Association for the Study of Pain Special Interest Group on Neuropathic Pain in 2016. Twenty patients with CRPS type II and twenty-five with traumatic NeP were investigated. Results: Twelve patients with CRPS type II presented abnormal results for the quantitative sudomotor axon reflex test (QSART). Abnormal QSART results were more common in the CRPS type II group. Conclusions: Analysis of QSART combined with other ancillary tests can help in the differential diagnosis of CRPS type II and traumatic NeP if factors influencing abnormal QSART are sufficiently controlled.
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Affiliation(s)
- Dayoung Kim
- Department of Neurology, Konkuk University College of Medicine, Konkuk University Medical Center, Seoul 05030, Republic of Korea
| | - Min Jung Kim
- Department of Anesthesiology and Pain Medicine, Konkuk University College of Medicine, Konkuk University Medical Center, Seoul 05030, Republic of Korea
| | - Jae Hun Kim
- Department of Anesthesiology and Pain Medicine, Konkuk University College of Medicine, Konkuk University Medical Center, Seoul 05030, Republic of Korea
| | - Jeeyoung Oh
- Department of Neurology, Konkuk University College of Medicine, Konkuk University Medical Center, Seoul 05030, Republic of Korea
| | - Kyomin Choi
- Department of Neurology, Konkuk University College of Medicine, Konkuk University Medical Center, Seoul 05030, Republic of Korea
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