Coronavirus disease 2019: Morphological changes in peripheral blood cells

INTRODUCTION: The impact of severe acute respiratory syndrome coronavirus 2 on global health has been considerable since its emergence. Clinical laboratories are crucial in the diagnosis, treatment, and prognosis of patients with coronavirus disease 2019 (COVID-19). The study aims to review the pub...

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Main Author: Amin A Alamin
Format: Article
Language:English
Published: Wolters Kluwer Medknow Publications 2023-01-01
Series:Iraqi Journal of Hematology
Subjects:
Online Access:http://www.ijhonline.org/article.asp?issn=2072-8069;year=2023;volume=12;issue=1;spage=1;epage=7;aulast=Alamin
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author Amin A Alamin
author_facet Amin A Alamin
author_sort Amin A Alamin
collection DOAJ
description INTRODUCTION: The impact of severe acute respiratory syndrome coronavirus 2 on global health has been considerable since its emergence. Clinical laboratories are crucial in the diagnosis, treatment, and prognosis of patients with coronavirus disease 2019 (COVID-19). The study aims to review the published literature on the abnormal morphological features found in the peripheral blood smears of patients with COVID-19. MATERIALS AND METHODS: A nonsystematic narrative review was carried out, utilizing four databases to search for publications that presented qualitative alterations in the peripheral blood cells of individuals with COVID-19. Thirty-three studies published between January 2020 and July 2022 were ultimately included in the review. RESULTS: The majority of the studies reviewed focused on qualitative changes, with peripheral blood cell shape identified as an indicator of post-COVID-19 syndrome severity. Plasmacytic cells were found to be a relatively specific marker for COVID-19, while fragmented neutrophils were identified as an extremely sensitive morphological marker. Activation of monocytes was a strong predictor of disease outcome, and platelet aggregates served as an indicator of disease progression. CONCLUSIONS: The identification of morphological abnormalities in peripheral blood cells can aid in diagnosing and prognosticating COVID-19 patients. Daily complete blood count tests in hospitalized patients are crucial for identifying numerical and morphological irregularities that indicate poor clinical outcomes and disease progression.
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spelling doaj.art-65bacac167bd46c3b94e5e85f59d1a1c2023-07-23T11:17:34ZengWolters Kluwer Medknow PublicationsIraqi Journal of Hematology2072-80692023-01-011211710.4103/ijh.ijh_30_23Coronavirus disease 2019: Morphological changes in peripheral blood cellsAmin A AlaminINTRODUCTION: The impact of severe acute respiratory syndrome coronavirus 2 on global health has been considerable since its emergence. Clinical laboratories are crucial in the diagnosis, treatment, and prognosis of patients with coronavirus disease 2019 (COVID-19). The study aims to review the published literature on the abnormal morphological features found in the peripheral blood smears of patients with COVID-19. MATERIALS AND METHODS: A nonsystematic narrative review was carried out, utilizing four databases to search for publications that presented qualitative alterations in the peripheral blood cells of individuals with COVID-19. Thirty-three studies published between January 2020 and July 2022 were ultimately included in the review. RESULTS: The majority of the studies reviewed focused on qualitative changes, with peripheral blood cell shape identified as an indicator of post-COVID-19 syndrome severity. Plasmacytic cells were found to be a relatively specific marker for COVID-19, while fragmented neutrophils were identified as an extremely sensitive morphological marker. Activation of monocytes was a strong predictor of disease outcome, and platelet aggregates served as an indicator of disease progression. CONCLUSIONS: The identification of morphological abnormalities in peripheral blood cells can aid in diagnosing and prognosticating COVID-19 patients. Daily complete blood count tests in hospitalized patients are crucial for identifying numerical and morphological irregularities that indicate poor clinical outcomes and disease progression.http://www.ijhonline.org/article.asp?issn=2072-8069;year=2023;volume=12;issue=1;spage=1;epage=7;aulast=Alaminblood smearcoronavirus disease 2019morphologyperipheral blood cellssevere acute respiratory syndrome coronavirus 2
spellingShingle Amin A Alamin
Coronavirus disease 2019: Morphological changes in peripheral blood cells
Iraqi Journal of Hematology
blood smear
coronavirus disease 2019
morphology
peripheral blood cells
severe acute respiratory syndrome coronavirus 2
title Coronavirus disease 2019: Morphological changes in peripheral blood cells
title_full Coronavirus disease 2019: Morphological changes in peripheral blood cells
title_fullStr Coronavirus disease 2019: Morphological changes in peripheral blood cells
title_full_unstemmed Coronavirus disease 2019: Morphological changes in peripheral blood cells
title_short Coronavirus disease 2019: Morphological changes in peripheral blood cells
title_sort coronavirus disease 2019 morphological changes in peripheral blood cells
topic blood smear
coronavirus disease 2019
morphology
peripheral blood cells
severe acute respiratory syndrome coronavirus 2
url http://www.ijhonline.org/article.asp?issn=2072-8069;year=2023;volume=12;issue=1;spage=1;epage=7;aulast=Alamin
work_keys_str_mv AT aminaalamin coronavirusdisease2019morphologicalchangesinperipheralbloodcells