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Original Research
Online Published: 26 Sep 2022
 


The role of CT Thorax as a screening tool in Covid-19 before elective urological surgeries: a tertiary care centre experience

Harish Pal, Lalit Kumar, Sameer Trivedi, Yashasvi Singh, Ujwal Kumar, Sakshi Agarwal.


Abstract
Background: CT thorax has been advocated and widely applied in Covid-19 clinical management.
Aims and objectives: We evaluated the diagnostic value of CT thorax as a screening tool for Covid-19 in asymptomatic patients posted for elective urological surgeries & compared it with RT-PCR findings.
Material & Methods: The present retrospective, observational study was conducted among those who were planned for urological surgeries in the department of Urology from April 2019 to March 2021 in a tertiary care centre institute. For each patient, a nasopharyngeal and/or oropharyngeal swab was taken and tested for the presence of SARS‑CoV‑2. If the first RT-PCR was negative, a second RT-PCR was performed within 48 hours after the first test in patients who were still admitted to the hospital. The detection rate of COVID-19 infection based on initial CT thorax & RT-PCR (as reference standard) was compared.
Results: There were 24 true positives, 243 true negatives, 7 false positives and 8 false negative patients. Sensitivity was 75% (95% CI: 56.60% – 88.54%), specificity: 97.20% (95% CI: 94.32 – 98.87%, positive predictive value: 61.65% (95% CI: 61.65 – 87.97%), negative predictive value: 96.81% (95% CI: 94.34 – 98.23%) and accuracy: 94.68% (95% CI: 91.38 – 96.99%).
Conclusions: High diagnostic accuracy of CT with typical & relatively atypical CT findings of COVID‑19 leads to a low rate of missed diagnosis. Normal CT can be found in RT‑PCR +ve COVID‑19 cases & typical CT manifestations can be seen in RT‑PCR -ve cases. Thus, combining both CT & RT‑PCR may help improve the diagnostic accuracy of Covid-19.

Key words: CT, Thorax, COVID‑19, RT‑PCR


 
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How to Cite this Article
Pubmed Style

Pal H, Kumar L, Trivedi S, Singh Y, Kumar U, Agarwal S. The role of CT Thorax as a screening tool in Covid-19 before elective urological surgeries: a tertiary care centre experience. Int J Med Rev Case Rep. 2022; 6(19): 33-37. doi:10.5455/IJMRCR.172-1659011676

Web Style

Pal H, Kumar L, Trivedi S, Singh Y, Kumar U, Agarwal S. The role of CT Thorax as a screening tool in Covid-19 before elective urological surgeries: a tertiary care centre experience. https://www.mdpub.net/?mno=302656765 [Access: April 02, 2025]. doi:10.5455/IJMRCR.172-1659011676

AMA (American Medical Association) Style

Pal H, Kumar L, Trivedi S, Singh Y, Kumar U, Agarwal S. The role of CT Thorax as a screening tool in Covid-19 before elective urological surgeries: a tertiary care centre experience. Int J Med Rev Case Rep. 2022; 6(19): 33-37. doi:10.5455/IJMRCR.172-1659011676


Vancouver/ICMJE Style

Pal H, Kumar L, Trivedi S, Singh Y, Kumar U, Agarwal S. The role of CT Thorax as a screening tool in Covid-19 before elective urological surgeries: a tertiary care centre experience. Int J Med Rev Case Rep. (2022), [cited April 02, 2025]; 6(19): 33-37. doi:10.5455/IJMRCR.172-1659011676


Harvard Style

Pal, H., Kumar, . L., Trivedi, . S., Singh, . Y., Kumar, . U. & Agarwal, . S. (2022) The role of CT Thorax as a screening tool in Covid-19 before elective urological surgeries: a tertiary care centre experience. Int J Med Rev Case Rep, 6 (19), 33-37. doi:10.5455/IJMRCR.172-1659011676


Turabian Style

Pal, Harish, Lalit Kumar, Sameer Trivedi, Yashasvi Singh, Ujwal Kumar, and Sakshi Agarwal. 2022. The role of CT Thorax as a screening tool in Covid-19 before elective urological surgeries: a tertiary care centre experience. International Journal of Medical Reviews and Case Reports, 6 (19), 33-37. doi:10.5455/IJMRCR.172-1659011676


Chicago Style

Pal, Harish, Lalit Kumar, Sameer Trivedi, Yashasvi Singh, Ujwal Kumar, and Sakshi Agarwal. "The role of CT Thorax as a screening tool in Covid-19 before elective urological surgeries: a tertiary care centre experience." International Journal of Medical Reviews and Case Reports 6 (2022), 33-37. doi:10.5455/IJMRCR.172-1659011676


MLA (The Modern Language Association) Style

Pal, Harish, Lalit Kumar, Sameer Trivedi, Yashasvi Singh, Ujwal Kumar, and Sakshi Agarwal. "The role of CT Thorax as a screening tool in Covid-19 before elective urological surgeries: a tertiary care centre experience." International Journal of Medical Reviews and Case Reports 6.19 (2022), 33-37. Print. doi:10.5455/IJMRCR.172-1659011676


APA (American Psychological Association) Style

Pal, H., Kumar, . L., Trivedi, . S., Singh, . Y., Kumar, . U. & Agarwal, . S. (2022) The role of CT Thorax as a screening tool in Covid-19 before elective urological surgeries: a tertiary care centre experience. International Journal of Medical Reviews and Case Reports, 6 (19), 33-37. doi:10.5455/IJMRCR.172-1659011676


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