False Negative Results in Clostridium difficile Testing
نویسندگان
چکیده
منابع مشابه
False Negative Results in Clostridium difficile Testing
BACKGROUND Accurate diagnosis of Clostridium difficile infection (CDI) is paramount for patient management. The wrong diagnosis places patients at risk, delays treatment, and/ or contributes to transmission of infection in the healthcare setting. Although amplification of the toxin B gene by polymerase chain reaction (PCR) is a sensitive method for detecting toxigenic C. difficile, false negati...
متن کاملDoes empirical Clostridium difficile infection (CDI) therapy result in false-negative CDI diagnostic test results?
BACKGROUND Patients with suspected Clostridium difficile infection (CDI) often receive empirical therapy prior to collection of stool specimens for diagnostic testing. The likelihood that such empirical therapy might result in false-negative CDI test results is unknown. METHODS We conducted a prospective study of CDI patients to determine the time to conversion of CDI test results, including ...
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A 28-year-old man presented with abdominal pain and diarrhea (10-12 Bristol type 7 stools per day; Bristol scale range, 1-7 [1, separate hard pieces; 7, watery stool])1 after completing a course of azithromycin for pneumonia. He was diagnosed with Clostridium difficile infection (CDI) with a positive stool polymerase chain reaction (PCR) for the toxin B (tcdB) gene. Laboratory studies showed un...
متن کامل'False-positive' and 'false-negative' test results in clinical urine drug testing.
The terms 'false-positive' and 'false-negative' are widely used in discussions of urine drug test (UDT) results. These terms are inadequate because they are used in different ways by physicians and laboratory professionals and they are too narrow to encompass the larger universe of potentially misleading, inappropriate and unexpected drug test results. This larger universe, while not solely com...
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JOHN STEPHEN,* SUSAN C. REDMOND,* TIMOTHY J. MITCHELL,* JULIAN KETLEY,* DAVID C. A. CANDY,? DOUGLAS W. BURDONt and RICHARD DANIEL§ *Department of Microbiology. University of Birmingham, P.O. Box 363, Birmingham B15 ZTT, U.K., tlnstitute of Child Health, Francis Road, Edgbaston, Birmingham B16 8ET. U.K. , $Department of Microbiology, General Hospital, Steelhouse Lane, Birmingham B4 6NH U.K. , an...
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ژورنال
عنوان ژورنال: BMC Infectious Diseases
سال: 2016
ISSN: 1471-2334
DOI: 10.1186/s12879-016-1741-6