Evidence map›Paper›PMID 32756872›Full record

ArticleAmerican journal of clinical pathology2020

Peripheral Blood Examination Findings in SARS-CoV-2 Infection.

Alia Nazarullah, Christine Liang, Andrew Villarreal, Russell A Higgins, Daniel D Mais

Open access · bronzeAbstract read
In one paragraph

Article in American journal of clinical pathology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers.

0numbers the graph read from it
0cells of the map it votes in
31citing papers in PubMed
1.4field-weighted citation impact, top 10% 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

31 citing papers in PubMed, 59 citations in OpenAlex.

  1. Article
  2. Review
  3. MDS-Type Morphologic Abnormalities of Peripheral Blood Granulocytes in Symptomatic COVID-19 Patients.International journal of hematology-oncology and stem cell research · 2024
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  6. Review
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  11. Normoblastemia in COVID-19 patients is associated with more severe disease and adverse outcome.International journal of clinical and experimental pathology · 2023
    Article
  12. Article
  13. Article
  14. Article
  15. Article
  16. Hematological changes associated with COVID-19 infection.Journal of clinical laboratory analysis · 2022
    Review
  17. Coagulation Studies Are Not Predictive of Hematological Complications of COVID-19 Infection.TH open : companion journal to thrombosis and haemostasis · 2022
    Article
  18. Article
  19. Article
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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

5 authors at 2 institutions in 1 country.

Alia NazarullahDepartment of Pathology and Laboratory Medicine, University of Texas Health, San Antonio.
Christine LiangDepartment of Pathology and Laboratory Medicine, University of Texas Health, San Antonio.
Andrew VillarrealHematology Laboratory, University Health System, San Antonio, TX.
Russell A HigginsDepartment of Pathology and Laboratory Medicine, University of Texas Health, San Antonio.
Daniel D MaisDepartment of Pathology and Laboratory Medicine, University of Texas Health, San Antonio.
The University of Texas Health Science Center at San Antonio · USUniversity Health System · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectivesPeripheral blood abnormalities in severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) have not been fully elucidated. We report qualitative and quantitative peripheral blood findings in coronavirus disease 2019 (COVID-19) patients and compare them with a control group.

methodsWe reviewed electronic medical records, complete blood counts, peripheral blood smears, and flow cytometry data in 12 patients with SARS-CoV-2. These were compared with 10 control patients with symptoms suspicious for SARS-CoV-2 but who tested negative.

resultsNo significant differences were noted in blood counts, except that absolute lymphopenia was present frequently in the control group (P < .05). Acquired Pelger-Huët anomaly (APHA) was noted in all COVID-19 cases, in most cases affecting over 5% of granulocytes. This contrasted with APHA in only 50% of control cases, affecting fewer than 5% of granulocytes in all cases (P < .05). Monolobate neutrophils were exclusive to COVID-19 cases. COVID-19 patients had greater frequency of plasmacytoid lymphocytes (P < .05). Flow cytometry data revealed absolute CD3+ T-cell count reduction in 6 of 7 patients; all of them required mechanical ventilation.

conclusionsLymphopenia was infrequent in our COVID-19 cohort; however, flow cytometric analysis revealed absolute T-cell count reduction in most cases. COVID-19 cases had significant APHA with monolobate neutrophils and plasmacytoid lymphocytes as compared to controls.

Indexed as

BetacoronavirusAdultAgedAged, 80 and overCoronavirus InfectionsCOVID-19FemaleHumansMaleMiddle AgedPandemicsPelger-Huet AnomalyPneumonia, ViralSARS-CoV-2CoronavirusCOVID-19HematologicPeripheral bloodPeripheral smearSARS-CoV-2

Identifiers

PMID32756872
PMCPMC7454310
OpenAlexW3041142586

What OpenQuestion holds

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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.