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10.1111/trf.16178 http://scihub22266oqcxt.onion/10.1111/trf.16178 33125162!ä!33125162 Deprecated: Implicit conversion from float 233.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 233.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 233.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 233.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 233.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 233.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 267.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 267.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 267.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 267.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 267.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534       Transfusion 2021 ; 61 (2): 368-374 Nephropedia Template TP {{tp|p=33125162|t=2021. Validation of a SARS-CoV-2 RNA RT-PCR assay for high-throughput testing in blood of COVID-19 convalescent plasma donors and patients |pdf=|usr=}}{{33125162}} gab.com Text Validation of a SARS-CoV-2 RNA RT-PCR assay for high-throughput testing in blood of COVID-19 convalescent plasma donors and patients JO: Transfusion http://www.kidney.de/pget.php?&tw=1&pmid=33125162 #FOAvip BACKGROUND: The frequency of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) RNAemia in blood donors is uncertain. Thus, assays for SARS-CoV-2 RNA detection in blood, validated on commercially available polymerase chain reaction (PCR) systems, are required to allow a good comparability of data. STUDY DESIGN AND METHODS: The cobas SARS-CoV-2 dual-target reverse transcriptase PCR (RT-PCR) assay, licensed for respiratory swab SARS-CoV-2 RNA testing, was validated for detection of viral RNA in blood. For the validation panel, SARS-CoV-2-positive plasma samples were prepared by spiking SARS-CoV-2-positive respiratory specimens in negative human plasma. The 95% limit of detection (LOD95) was determined by probit analysis. For clinical validation, coronavirus disease 2019 (COVID-19) convalescent plasma (CCP) donors and patients with COVID-19 with a severe disease course treated in an intensive care unit (ICU) were included. RESULTS: The validation of the SARS-CoV-2 RT-PCR assay for blood demonstrated high sensitivity and specificity and intra- and inter-assay precision and efficiency. The LOD95 for SARS-CoV-2 RNA was 5.0 genome copies/mL (95% confidence interval [CI], 3.3-12 copies/mL) for target 1 and 4.3 genome copies/mL (95% CI, 2.9-10 copies/mL) for target 2. In a cohort of 39 CCP donors with 66 CCP donations no SARS-CoV-2 RNA in plasma was detected. Screening of 25 blood samples of 19 ICU patients with COVID-19 showed six positive results for SARS-CoV-2 RNA in at least one target of the assay. CONCLUSION: The SARS-CoV-2 RNA assay, only licensed for respiratory swabs, performed on a PCR system for high-throughput testing, showed a good assay performance for blood testing. Twit Text FOAVip Validation of a SARS-CoV-2 RNA RT-PCR assay for high-throughput testing in blood of COVID-19 convalescent plasma donors and patients ????Transfusion http://www.kidney.de/pget.php?&tw=1&pmid=33125162 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=33125162 #FOAvip English Wikipedia <ref>{{Cite pmid|33125162}}</ref> Validation of a SARS-CoV-2 RNA RT-PCR assay for high-throughput testing in blood of COVID-19 convalescent plasma donors and patients #MMPMID33125162 Strasser EF; Steininger PA; Korn K; Achenbach S; Tenbusch M; Cunningham S; Zimmermann R; Uberla K; Hackstein H Transfusion 2021[Feb]; 61 (2): 368-374 PMID33125162show ga BACKGROUND: The frequency of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) RNAemia in blood donors is uncertain. Thus, assays for SARS-CoV-2 RNA detection in blood, validated on commercially available polymerase chain reaction (PCR) systems, are required to allow a good comparability of data. STUDY DESIGN AND METHODS: The cobas SARS-CoV-2 dual-target reverse transcriptase PCR (RT-PCR) assay, licensed for respiratory swab SARS-CoV-2 RNA testing, was validated for detection of viral RNA in blood. For the validation panel, SARS-CoV-2-positive plasma samples were prepared by spiking SARS-CoV-2-positive respiratory specimens in negative human plasma. The 95% limit of detection (LOD95) was determined by probit analysis. For clinical validation, coronavirus disease 2019 (COVID-19) convalescent plasma (CCP) donors and patients with COVID-19 with a severe disease course treated in an intensive care unit (ICU) were included. RESULTS: The validation of the SARS-CoV-2 RT-PCR assay for blood demonstrated high sensitivity and specificity and intra- and inter-assay precision and efficiency. The LOD95 for SARS-CoV-2 RNA was 5.0 genome copies/mL (95% confidence interval [CI], 3.3-12 copies/mL) for target 1 and 4.3 genome copies/mL (95% CI, 2.9-10 copies/mL) for target 2. In a cohort of 39 CCP donors with 66 CCP donations no SARS-CoV-2 RNA in plasma was detected. Screening of 25 blood samples of 19 ICU patients with COVID-19 showed six positive results for SARS-CoV-2 RNA in at least one target of the assay. CONCLUSION: The SARS-CoV-2 RNA assay, only licensed for respiratory swabs, performed on a PCR system for high-throughput testing, showed a good assay performance for blood testing. |Aged[MESH] |Aged, 80 and over[MESH] |Blood Donors[MESH] |COVID-19 Serotherapy[MESH] |COVID-19/*diagnosis/*therapy[MESH] |Female[MESH] |Humans[MESH] |Immunization, Passive[MESH] |Male[MESH] |Middle Aged[MESH] |RNA, Viral/genetics[MESH] |Reverse Transcriptase Polymerase Chain Reaction[MESH]Validation of a SARS-CoV-2 RNA RT-PCR assay for high-throughput testin(epmc).pdf DeepDyve Pubget Overpricing