Preoperative COVID-19 testing for elective vitreoretinal surgeries: Experience from a major tertiary care institute in South India

Kannan, Naresh Babu; Sen, Sagnik; Reddy, Harshavardhan; Kumar, Karthik; Rajan, Renu P; Ramasamy, Kim

doi:10.4103/ijo.ijo_2870_20

Cited by 8 publications

(1 citation statement)

References 31 publications

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“…They concluded that among patients visiting high volume ophthalmic centres in the near future, approximately 1 in 45 patients may be asymptomatic, SARS-CoV-2 reverse transcription-polymerase chain reaction (RT-PCR) positive. 7 A drawback in this study was that the testing was not conducted preoperatively in ophthalmic procedures which are of lesser duration related to cataract, cornea and glaucoma. Hence this study was taken to highlight the importance of COVID-19 testing as a routine before any operative procedure in order to prevent transmission of the disease and for the protection of healthcare workers in this pandemic.…”

Section: Introductionmentioning

confidence: 99%

Preoperative COVID-19 Testing for Elective Ophthalmological Procedure in a Tertiary Health Care Centre: Our Experience During the Pandemic

Singh¹,

Sethi²,

Gupta³

et al. 2021

OPTH

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Background To study the prevalence of coronavirus infection among asymptomatic patients requiring eye surgery and the role of screening in prevention of spread of infection among the healthcare workers. Design The prospective observational study was conducted in the Ophthalmology department of a tertiary care center in Delhi from September 2020 to December 2020. Setting Patients requiring elective ophthalmological procedures in a tertiary care hospital were screened for coronavirus using the RT-PCR method. Testing methods and results were documented. Results Among the 218 asymptomatic patients posted for elective surgery in that period, 16 (7.3%) were found to be positive for COVID-19. Those who tested positive were advised home isolation and surgery was postponed for the next 14 days. No complications were reported in these patients. One health-care worker also tested positive for COVID-19 during our study period. Conclusion In our study, 1 out of 14 asymptomatic patients were found to be carriers for the novel virus. Asymptomatic COVID-infected patients may lead to transmission of the virus inside the hospital among the visiting patients and hospital staff while they have no adverse effect on the surgery and its outcome.

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Section: Introductionmentioning

confidence: 99%

Preoperative COVID-19 Testing for Elective Ophthalmological Procedure in a Tertiary Health Care Centre: Our Experience During the Pandemic

Singh¹,

Sethi²,

Gupta³

et al. 2021

OPTH

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Incidence of SARS‐CoV‐2 infection among asymptomatic patients undergoing preoperative COVID testing prior to cancer surgery: ASPECT study

Patkar

Voppuru

Thiagarajan

et al. 2021

Journal of Surgical Oncology

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Background and Objectives The COVID‐19 pandemic, with high rate of asymptomatic infections and increased perioperative complications, prompted widespread adoption of screening methods. We analyzed the incidence of asymptomatic infection and perioperative outcomes in patients undergoing cancer surgery. We also studied the impact on subsequent cancer treatment in those with COVID‐19. Methods All patients who underwent elective and emergency cancer surgery from April to September 2020 were included. After screening for symptoms, a preoperative test was performed from nasopharyngeal and oropharyngeal swabs before the procedure. Patients were followed up for 30 days postoperatively and complications were noted. Results 2108 asymptomatic patients were tested, of which 200 (9.5%) tested positive. Of those who tested positive, 140 (70%) underwent the planned surgery at a median of 30 days from testing positive, and 20 (14.3%) had ≥ Grade III complications. Forty (20%) patients did not receive the intended treatment; 110 patients were retested in the Postoperative period, and 41 (37.3%) tested positive and 9(22%) patients died of COVID‐related complications. Conclusion Routine preoperative testing for COVID‐19 helps to segregate patients with asymptomatic infection. Higher complications occur in those who develop COVID‐19 in postoperative period. Prolonged delay in surgery after COVID infection may influence planned treatment.

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Meta-analysis of COVID-19 prevalence during preoperative COVID-19 screening in asymptomatic patients

et al. 2022

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ObjectivesPatients with COVID-19 may be asymptomatic and are able to transmit COVID-19 during a surgical procedure, resulting in increased pressure on healthcare and reduced control of COVID-19 spread. There remains uncertainty about the implementation of preoperative screening for COVID-19 in asymptomatic surgical patients. Therefore, this study aims to determine the prevalence of preoperative COVID-19, confirmed by reverse transcriptase PCR (RT-PCR), in asymptomatic patients.DesignSystematic review and meta-analysis.Data sourcesPubmed and Embase databases were searched through 20 February 2022.Eligibility criteriaAll COVID-19 articles including preoperative asymptomatic patients were included.Data extraction and synthesisTwo independent reviewers extracted data and assessed risk of bias. Meta-analysis was performed to determine the prevalence of COVID-19 with 95% CI. Moreover, estimated positive predictive value (PPV), negative predictive value, false-positives (FP) and false-negatives were calculated for preoperative asymptomatic patients.ResultsTwenty-seven studies containing 27 256 asymptomatic preoperative screened patients were included, of which 431 were positive for COVID-19 by RT-PCR test. In addition, the meta-analysis revealed a pooled COVID-19 prevalence of 0.76% (95% CI 0.36% to 1.59%). The calculated PPV for this prevalence is 40.8%.ConclusionsThe pooled COVID-19 prevalence in asymptomatic patients tested preoperatively was 0.76%, with low corresponding PPV. Consequently, nearly three-quarters of postponed surgical procedures in asymptomatic preoperative patients may be FP. In the event of similar pandemics, modification of preoperative mandatory RT-PCR COVID-19 testing in asymptomatic patients may be considered.

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Preoperative COVID-19 testing for elective vitreoretinal surgeries: Experience from a major tertiary care institute in South India

Cited by 8 publications

References 31 publications

Preoperative COVID-19 Testing for Elective Ophthalmological Procedure in a Tertiary Health Care Centre: Our Experience During the Pandemic

Preoperative COVID-19 Testing for Elective Ophthalmological Procedure in a Tertiary Health Care Centre: Our Experience During the Pandemic

Incidence of SARS‐CoV‐2 infection among asymptomatic patients undergoing preoperative COVID testing prior to cancer surgery: ASPECT study

Meta-analysis of COVID-19 prevalence during preoperative COVID-19 screening in asymptomatic patients

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