Absence of Severe Acute Respiratory Syndrome-Coronavirus-2 RNA in Human Corneal Tissues

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PURPOSE: To examine corneal tissue for severe acute respiratory syndrome-coronavirus 2 (SARS-CoV-2) positivity regarding implications for tissue procurement, processing, corneal transplantation, and ocular surgery on healthy patients. We performed quantitative reverse transcription-polymerase chain reaction qRT-PCR-testing for SARS-CoV-2 RNA on corneal stroma and endothelium, bulbar conjunctiva, conjunctival fluid swabs, anterior chamber fluid, and corneal epithelium of coronavirus disease 2019 (COVID-19) postmortem donors.

METHODS: Included in this study were 10 bulbi of 5 COVID-19 patients who died because of respiratory insufficiency. Informed consent and institutional review board approval was obtained before this study (241/2020BO2). SARS-CoV-2 was detected by using a pharyngeal swab and bronchoalveolar lavage. Tissue procurement and tissue preparation were performed with personal protective equipment (PPE) and the necessary protective measures. qRT-PCR-testing was performed for each of the abovementioned tissues and intraocular fluids.

RESULTS: The qRT-PCRs yielded no viral RNA in the following ocular tissues and intraocular fluid: corneal stroma and endothelium, bulbar-limbal conjunctiva, conjunctival fluid swabs, anterior chamber fluid, and corneal epithelium.

CONCLUSIONS: In this study, no SARS-CoV-2-RNA was detected in conjunctiva, anterior chamber fluid, and corneal tissues (endothelium, stroma, and epithelium) of COVID-19 donors. This implicates that the risk for SARS-CoV-2 infection using corneal or conjunctival tissue is very low. However, further studies on a higher number of COVID-19 patients are necessary to confirm these results. This might be of high importance for donor tissue procurement, processing, and corneal transplantation.

Medienart:

E-Artikel

Erscheinungsjahr:

2021

Erschienen:

2021

Enthalten in:

Zur Gesamtaufnahme - volume:40

Enthalten in:

Cornea - 40(2021), 3 vom: 01. März, Seite 342-347

Sprache:

Englisch

Beteiligte Personen:

Bayyoud, Tarek [VerfasserIn]
Iftner, Angelika [VerfasserIn]
Iftner, Thomas [VerfasserIn]
Bartz-Schmidt, Karl Ulrich [VerfasserIn]
Rohrbach, Jens Martin [VerfasserIn]
Ueffing, Marius [VerfasserIn]
Schindler, Michael [VerfasserIn]
Thaler, Sebastian [VerfasserIn]

Links:

Volltext

Themen:

Journal Article
RNA, Viral

Anmerkungen:

Date Completed 12.02.2021

Date Revised 12.09.2023

published: Print

Citation Status MEDLINE

doi:

10.1097/ICO.0000000000002479

funding:

Förderinstitution / Projekttitel:

PPN (Katalog-ID):

NLM311821995