pseudoinfection

pseudoinfection

(sū'dō-in-fek'shŭn),
Laboratory evidence of the presence or activity of pathogenic microorganisms in the absence of infection; can result from colonization of the site without infection, contamination of the specimen, or laboratory error or misinterpretation yielding a false-positive test result for an infectious disease.
References in periodicals archive ?
Because NTM are common in the environment and resistant to commonly used disinfectants, they can be present in nonsterile patient material such as sputum and contaminated medical equipment (bronchoscope washers or samples in the laboratory) and consequently cause pseudoinfection (1,2).
Centers for Disease Control 1991 Nosocomial Infection and Pseudoinfection from Contaminated endoscopes and Bronchoscopes Wisonsin and Missouri Morbidity and Mortality Weekly Report 40 (39) 675-678
In addition, health-care workers are requested to report bronchoscopy-related colonization episodes, infection, or pseudoinfection to their state health department, to FDA's MedWatch program, telephone (800) 332-1088, fax (800) 332-0178, or World-Wide Web site, http://www.
Mycobacterium abscessus pseudoinfection traced to an automated endoscope washer: utility of epidemiologic and laboratory investigation.
Bronchoscopy-associated Mycobacterium xenopi pseudoinfections.
Differentiating true infection from pseudoinfection is of paramount importance because treatment of M.
We used the ATS diagnostic criteria available during the study period to differentiate true infection from pseudoinfection.
This report summarizes one outbreak of nosocomially acquired infection (Wisconsin) and one of pseudoinfection (Missouri) linked to endoscopes contaminated during cleaning and disinfection by automated reprocessing machines.
chelonae when bronchoscopy was repeated, suggesting the occurence of pseudoinfection.
Several nosocomial outbreaks of infection or pseudoinfection have been attributed to this organism after cardiac surgery, bacteremia associated with hemodialysis, and pseudoinfections due to contaminated bronchoscopes (9).
Many outbreaks of infection or pseudoinfection occur through lack of prevention measures and ignorance of the source and transmission of opportunistic pathogens.
The reprocessor can also be disinfected automatically to prevent infection or pseudoinfection.