تلخیص
Objective: To assess trends of real-time Polymerase Chain Reaction test in Coronavirus infected Patients.Methods: This cross-sectional analytical study was conducted at Tertiary Care Institute, Rawalpindi from March 2020 to June 2020. All patients confirmed COVID positive by real-time Polymerase Chain Reaction (PCR) with recent travel history, close contact with known diagnosed patients and had symptoms of fever or upper respiratory tract with body aches. Nasopharyngeal swabs were taken and results generated within 48 hours. Positive PCR was admission criteria follow up was carried out at 7th and 8th day, with negative PCR were discharged. However, those who had persistent positive PCR on the 8th day were tested again on 11th and 12th day. Those with persistent positive results beyond 12th day were shifted to specialized quarantine centres.Results:A total of three hundred and ninety-two patients with mild to moderate illness, PCR positive for COVID 19 were included study with age range 9 - 45 and mean 33.22±7.98 years. A total of 8 (2%) patients were females and 384(98%) males. The duration of the negative test result was Mean ± Std. Deviation 9.05±2.00 with 7 – 8 days 152(38.8%)in and 11 – 12 days in 160(40.8%). PCR results on Day 7 and 8 were negative in 144(36.7%) patients whereas positive in 248(63.3%). PCR results on Day 11 and 12 were negative in 312(79.6%) patients whereas positive in 80 (20.4%). Conclusion:To conclude Real-Time Polymerase Chain Reaction (rT-PCR) inclines to give false negative results additionally can stay positive in asymptomatic patients for moderately longer-term. Hence decision to discharge ought to be intricately adjusted between RT-PCR, clinical judgement, radiological examinations, and biochemical assays.
Sana Abbas, Aisha Rafique, Beenish Abbas, Rashid Iqbal. (2021) Real-Time Polymerase chain reaction trends in COVID-19 patients, Pakistan Journal of Medical Sciences, Volume-37, Issue-1.
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