Evidence map›Paper›PMID 33203441›Full record

ArticleCardiovascular diabetology2020

Prevalence of readily detected amyloid blood clots in 'unclotted' Type 2 Diabetes Mellitus and COVID-19 plasma: a preliminary report.

Etheresia Pretorius, Chantelle Venter, Gert Jacobus Laubscher, Petrus Johannes Lourens, Janami Steenkamp, Douglas B Kell

Open access · goldAbstract read
In one paragraph

Article in Cardiovascular diabetology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 47 papers.

0numbers the graph read from it
0cells of the map it votes in
47citing papers in PubMed
1.3field-weighted citation impact, top 11% 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

47 citing papers in PubMed, 87 citations in OpenAlex.

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  10. Neuroimmune pathophysiology of long COVID.Psychiatry and clinical neurosciences · 2025
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  18. Low-intensity ultrasound lysis of amyloid microclots in a lab-on-chip model.Frontiers in bioengineering and biotechnology · 2025
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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

6 authors at 2 institutions in 3 countries.

Etheresia PretoriusDepartment of Physiological Sciences, Faculty of Science, Stellenbosch University, Stellenbosch, Private Bag X1, Matieland, 7602, South Africa. resiap@sun.ac.za.ORCID 0000-0002-9108-2384
Chantelle VenterDepartment of Physiological Sciences, Faculty of Science, Stellenbosch University, Stellenbosch, Private Bag X1, Matieland, 7602, South Africa.
Gert Jacobus LaubscherMediclinic Stellenbosch, Suite 104, 1 Elsie du Toit Street, Stellenbosch, 7600, South Africa.
Petrus Johannes LourensMediclinic Stellenbosch, Suite 104, 1 Elsie du Toit Street, Stellenbosch, 7600, South Africa.
Janami SteenkampPathCare Laboratories, PathCare Business Centre, Neels Bothma Street, N1 City, 7460, South Africa.
Douglas B KellDepartment of Physiological Sciences, Faculty of Science, Stellenbosch University, Stellenbosch, Private Bag X1, Matieland, 7602, South Africa. dbk@liv.ac.uk.ORCID 0000-0001-5838-7963
Stellenbosch University · ZAUniversity of Liverpool · GB

Funding

Novo Nordisk Fonden NNF10CC1016517South African Medical Research Council A0X331
6 · The paper itself

Abstract

backgroundType 2 Diabetes Mellitus (T2DM) is a well-known comorbidity to COVID-19 and coagulopathies are a common accompaniment to both T2DM and COVID-19. In addition, patients with COVID-19 are known to develop micro-clots within the lungs. The rapid detection of COVID-19 uses genotypic testing for the presence of SARS-Cov-2 virus in nasopharyngeal swabs, but it can have a poor sensitivity. A rapid, host-based physiological test that indicated clotting severity and the extent of clotting pathologies in the individual who was infected or not would be highly desirable.

methodsPlatelet poor plasma (PPP) was collected and frozen. On the day of analysis, PPP samples were thawed and analysed. We show here that microclots can be detected in the native plasma of twenty COVID-19, as well as ten T2DM patients, without the addition of any clotting agent, and in particular that such clots are amyloid in nature as judged by a standard fluorogenic stain. Results were compared to ten healthy age-matched individuals.

resultsIn COVID-19 plasma these microclots are significantly increased when compared to the levels in T2DM.

conclusionsThis fluorogenic test may provide a rapid and convenient test with 100% sensitivity (P < 0.0001) and is consistent with the recognition that the early detection and prevention of such clotting can have an important role in therapy.

Indexed as

SARS-CoV-2AmyloidCOVID-19Diabetes Mellitus, Type 2FemaleHumansMaleMiddle AgedPrevalenceThrombosisAmyloidAmyloidCoagulopathiesCOVID-19Pathologies

Identifiers

PMID33203441
PMCPMC7670290
OpenAlexW3102436356

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.