Article ; Online: Evaluating the presence of SARS-CoV-2 in the intraocular fluid of COVID-19 patients.
Indian journal of ophthalmology
2021 Volume 69, Issue 9, Page(s) 2503–2506
Abstract: Purpose: To detect the presence of SARS-CoV-2 in aqueous and vitreous humor of COVID-19 patients ... with a larger sample size are needed to further explore the presence of SARS-CoV-2 in intraocular fluids. ... patients were found positive on naso-oropharyngeal RT-PCR test for SARS-CoV-2 preoperatively. Seven ...
| Abstract | Purpose: To detect the presence of SARS-CoV-2 in aqueous and vitreous humor of COVID-19 patients in a pilot study. Methods: : Consecutive patients planned for emergency ophthalmic surgeries after ocular trauma were subjected to naso-oropharyngeal RT-PCR test for SARS-CoV-2. Laboratory-confirmed cases were enrolled for the study. During surgery, 0.1 mL aqueous and vitreous each was aspirated. The vitreous tap was collected on clinical suspicion of endophthalmitis. RT-PCR test was used to detect SARS-COV-2 nucleotide in the samples. Cycle threshold (Ct) for E gene of ≤35 along with confirmatory results on one of the two target genes (RdRp or ORF1b) was considered as positive. Results: : One hundred and thirty two patients were found positive on naso-oropharyngeal RT-PCR test for SARS-CoV-2 preoperatively. Seven patients with ocular trauma were studied. The mean age was 31.8 years. There were six male and one female patient. Two patients had symptoms of mild COVID-19 disease and the rest were asymptomatic. The mean Ct value of the E gene on naso-oropharyngeal RT-PCR was 23.14 ± 4.7. Corneal and corneoscleral laceration repair was done in five patients, intracorneal wooden foreign body was removed in one patient, and injection of intravitreal antibiotics was done in one patient. Aqueous and vitreous tap was collected in 7 and 5 patients, respectively. None of the aqueous or vitreous samples was found positive for SARS-CoV-2. Conclusion: : SARS-CoV-2 was not detected by RT-PCR in aqueous or vitreous humor in this pilot study. Future studies with a larger sample size are needed to further explore the presence of SARS-CoV-2 in intraocular fluids. |
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| MeSH term(s) | Adult ; Aqueous Humor ; COVID-19 ; Female ; Humans ; Male ; Pilot Projects ; RNA, Viral ; SARS-CoV-2 |
| Chemical Substances | RNA, Viral |
| Language | English |
| Publishing date | 2021-08-23 |
| Publishing country | India |
| Document type | Journal Article |
| ZDB-ID | 187392-1 |
| ISSN | 1998-3689 ; 0301-4738 |
| ISSN (online) | 1998-3689 |
| ISSN | 0301-4738 |
| DOI | 10.4103/ijo.IJO_820_21 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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