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The Association between Laboratory Blood Parameters and Ocular Manifestations in COVID-19 Patients Admitted to the Intensive Care Unit
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M Babaei    , M Sadeghi Hadad Zavareh , P Amri Maleh , SA Rasoulinejad * |
| 4.Department of Ophthalmology, School of Medicine, Babol University of Medical Sciences, Babol, I.R.Iran. , seyedahmadrasoulinejad@gmail.com |
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Abstract: (999 Views) |
Background and Objective: With the spread of coronavirus disease 2019, secondary ocular manifestations were observed as common complications in COVID-19 patients, which can challenge the diagnosis and treatment of ocular diseases. The aim of this study is to investigate the association between laboratory parameters and ocular diseases and to determine their specificity and sensitivity in the diagnosis of ocular diseases in COVID-19 patients admitted to the intensive care unit.
Methods: In this cross-sectional study, 89 patients with COVID-19 admitted to the intensive care unit of Ayatollah Rouhani Hospital in Babol were examined from December 2020 to February 2021. Clinical examinations were performed according to the global standards for ophthalmology examinations for patients, and patients were examined in terms of intraocular pressure, cup-to-disc ratio, ocular manifestations, and ocular diseases. Routine hematology and biochemical laboratory tests were performed for all patients. Patients were compared in the group with an ocular disease (manifestation) and the group without that ocular disease (manifestation).
Findings: Out of 89 patients with COVID-19 hospitalized in the intensive care unit, 44 women and 45 men participated in the study and the mean age of the patients was 58.5±14.64 years. The number of white blood cells was significantly lower in COVID-19 patients with pinguecula compared to non-pinguecula patients (p=0.026). Furthermore, the relative percentage of lymphocytes was significantly lower (p=0.003) in COVID-19 patients with cataract (9.64±13.20%) compared to non-cataract patients (14.25±17.95%). The relative percentage of neutrophils was higher in COVID-19 patients with cataract compared to non-cataract patients (p=0.01). RBC is significantly reduced in COVID-19 patients with chemosis (p=0.024). For the relative percentage of neutrophils greater than or equal to 82.55%, cataract for COVID-19 patients admitted to the intensive care unit with 0.83% sensitivity and 66.7% specificity is positive.
Conclusion: The results of the study showed that blood cells and some biochemical parameters are associated with ocular diseases in COVID-19 patients admitted to the intensive care unit. |
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| Keywords: COVID-19, Ocular Diseases, Cataract, Chemosis. |
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Full-Text [PDF 272 kb]
(555 Downloads)
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Type of Study: Research |
Subject:
Ophthalmology
Received: 2022/06/18 | Accepted: 2022/08/13 | Published: 2022/09/18
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