Evidence map›Paper›PMID 36169757›Full record

ArticleNeurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology2022

Network autonomic analysis of post-acute sequelae of COVID-19 and postural tachycardia syndrome.

Peter Novak, Matthew P Giannetti, Emily Weller, Matthew J Hamilton, Shibani S Mukerji, Haitham S Alabsi, David Systrom, Sadie P Marciano, Donna Felsenstein, William J Mullally and 2 more

Open access · hybridAbstract read
In one paragraph

Article in Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.

0numbers the graph read from it
0cells of the map it votes in
13citing papers in PubMed
3.3field-weighted citation impact, top 7% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

13 citing papers in PubMed, 23 citations in OpenAlex.

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  5. Case-Control Study of Individuals With Small Fiber Neuropathy After COVID-19.Neurology(R) neuroimmunology & neuroinflammation · 2024
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

12 authors at 2 institutions in 1 country.

Peter NovakDepartment of Neurology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA. pnovak2@bwh.harvard.edu.ORCID http://orcid.org/0000-0002-5971-1208
Matthew P GiannettiDivision of Allergy and Clinical Immunology, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.
Emily WellerDivision of Allergy and Clinical Immunology, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.
Matthew J HamiltonDivision of Gastroenterology, Endoscopy, and Hepatology, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.
Shibani S MukerjiDepartment of Neurology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA.
Haitham S AlabsiDepartment of Neurology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA.
David SystromDepartment of Medicine, Pulmonary and Critical Care, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.
Sadie P MarcianoDepartment of Neurology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.
Donna FelsensteinDepartment of Infectious Disease and Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA.
William J MullallyDepartment of Neurology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.
David M PilgrimDepartment of Neurology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.
Mariana CastellsDivision of Allergy and Clinical Immunology, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.
Brigham and Women's Hospital · USHarvard University · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundThe autonomic nervous system (ANS) is a complex network where sympathetic and parasympathetic domains interact inside and outside of the network. Correlation-based network analysis (NA) is a novel approach enabling the quantification of these interactions. The aim of this study is to assess the applicability of NA to assess relationships between autonomic, sensory, respiratory, cerebrovascular, and inflammatory markers on post-acute sequela of COVID-19 (PASC) and postural tachycardia syndrome (POTS).

methodsIn this retrospective study, datasets from PASC (n = 15), POTS (n = 15), and matched controls (n = 11) were analyzed. Networks were constructed from surveys (autonomic and sensory), autonomic tests (deep breathing, Valsalva maneuver, tilt, and sudomotor test) results using heart rate, blood pressure, cerebral blood flow velocity (CBFv), capnography, skin biopsies for assessment of small fiber neuropathy (SFN), and various inflammatory markers. Networks were characterized by clusters and centrality metrics.

resultsStandard analysis showed widespread abnormalities including reduced orthostatic CBFv in 100%/88% (PASC/POTS), SFN 77%/88%, mild-to-moderate dysautonomia 100%/100%, hypocapnia 87%/100%, and elevated inflammatory markers. NA showed different signatures for both disorders with centrality metrics of vascular and inflammatory variables playing prominent roles in differentiating PASC from POTS.

conclusionsNA is suitable for a relationship analysis between autonomic and nonautonomic components. Our preliminary analyses indicate that NA can expand the value of autonomic testing and provide new insight into the functioning of the ANS and related systems in complex disease processes such as PASC and POTS.

Indexed as

COVID-19Postural Orthostatic Tachycardia SyndromeSmall Fiber NeuropathyAutonomic Nervous SystemBlood PressureHeart RateHumansRetrospective StudiesAutonomic testingLong COVIDNetwork analysisPASCPOTSSkin biopsy

Identifiers

PMID36169757
PMCPMC9517969
OpenAlexW4297458490

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.