ArticleNorthern clinics of Istanbul2022
Evaluation of hemodialysis patients and hemodialysis health workers with COVID-19 IgM and IgG antibody test; a multicenter study from Eskisehir, Turkiye.
Article in Northern clinics of Istanbul, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectiveHemodialysis (HD) patients are a population at high risk for exposure to the severe respiratory syndrome coronavirus 2 (SARS-CoV-2) virus. Undiagnosed mild or asymptomatic SARS-CoV-2 infection in HD patients can make these patients a potential source of infection. In our study, we aimed to evaluate the entire spectrum of SARS-CoV-2 infection with the IgM and IgG rapid antibody kit in HD patients and healthcare providers working in HD unit.
methods633 HD patients and 134 health workers from all dialysis centers (three private and three public) in Eskisehir were included in the study. Blood samples obtained from participants were allowed to clot for 30 min at room temperature at 15°C using a serum separator tube. Then it was centrifuged at 1000 g at 2-8°C for 15 min. The supernatant was collected and the samples were stored at -20°C until use. Serum samples stored at the end of the study were studied with the A.B.T.™ Biotechnology COVID-19 Rapid IgG-IgM Diagnostic Test. Routine examination was measured by standard methods. All participants were evaluated by serological analysis of IgG and IgM antibodies against the SARS-CoV-2 recombinant antigen.
resultsTwo symptomatic HD patients (0.27%) were diagnosed with SARS-CoV-2 infection by real-time reverse-transcription-polymerase-chain - reaction test and chest tomography. In 15 (2.36%) of 633 asymptomatic patients, antibody was positive against the SARS-CoV recombinant antigen (IgG in 13, both IgG and IgM in 2), while no antibodies were detected in 134 health workers.
conclusionWe have shown that most HD patients with SARS-CoV-2 experience the disease asymptomatically, and that antibody testing plays an important role in identifying patients with asymptomatic infection.
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