False-Negative Thermonuclease Tests with New BacTAlert Blood Culture Bottles
نویسندگان
چکیده
منابع مشابه
False-negative thermonuclease tests with new BacTAlert blood culture bottles.
The Microbiology Unit of Southern Cross Pathology Australia, Monash Medical Centre, has used the Organon Technika BacTAlert automated blood culture instrument since 1995 for the detection of causative organisms of septicemia and bacteremia. When a blood culture bottle is flagged as positive, it is removed from the instrument and subculturing and Gram staining are performed. Gram-positive cocci,...
متن کاملValuable of terminal subcultures from negative BACTEC blood culture bottles.
Terminal subcultures from 5,354 negative BACTEC blood culture bottles did not significantly improve the detection of positive cultures. Only 15 of the 545 total isolates were recovered from the terminal subcultures. All 15 of these isolates were either considered contaminants or had been previously detected.
متن کاملRalstonia pickettii traced in blood culture bottles.
Over a 9-month period, 14 strains of Ralstonia pickettii were isolated from various biological samples inoculated in a blood culture medium. Molecular epidemiological investigation confirmed the relatedness of the strains. The source of the contamination proved to be the blood culture bottle caps.
متن کاملFalse Negative Fecal Occult Blood Test: Prozone Effect
Dear editor, the fecal occult blood test is the presently widely used screening laboratory test for colorectal cancer. At present, the test is usually based on an immunological diagnostic principle (1, 2). A false positive fecal occult blood is common and widely mentioned in literature. Nevertheless, the false negative is little mentioned in the paper. Here, the authors discuss the issue of the...
متن کاملFalse-negative cerebrospinal fluid cryptococcal latex agglutination tests for patients with culture-positive cryptococcal meningitis.
Three cases of false-negative cerebrospinal fluid latex agglutination test results for patients with culture-positive cryptococcal meningitis are reported. False-negative results occurred in settings of low cryptococcal antigen concentrations in cerebrospinal fluid and were dependent on the latex agglutination test kit used. Investigation of each case revealed that prozone phenomena or interfer...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of Clinical Microbiology
سال: 2001
ISSN: 0095-1137,1098-660X
DOI: 10.1128/jcm.39.11.4221.2001