Blood Culture Contamination and the Type of Microorganisms in True and False Positive Results in Patients Admitted at Avicenna Qazvin

Introduction: Diagnosis of infection based on blood culture alone is not a suitable method, but it is important to understand the clinical diagnosis for interpreting blood cultures. The goal of this study was to determine blood culture contamination and the type of microorganisms in false and real p...

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Main Authors: E Sajadi, S Asefzade, M Asefzade, F Manuchehri
Format: Article
Language:fas
Published: Shahid Sadoughi University of Medical Sciences 2010-10-01
Series:Majallah-i Dānishgāh-i ’Ulūm-i Pizishkī-i Shahīd Ṣadūqī Yazd
Subjects:
Online Access:http://85.185.157.11:6280/jssu/browse.php?a_id=1147&slc_lang=en&sid=1&ftxt=1
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author E Sajadi
S Asefzade
M Asefzade
F Manuchehri
author_facet E Sajadi
S Asefzade
M Asefzade
F Manuchehri
author_sort E Sajadi
collection DOAJ
description Introduction: Diagnosis of infection based on blood culture alone is not a suitable method, but it is important to understand the clinical diagnosis for interpreting blood cultures. The goal of this study was to determine blood culture contamination and the type of microorganisms in false and real positive cases in patients admitted at Avicenna Hospital. Methods: This cross sectional study was done on all patients in the emergency and internal medicine departments from April, 2008 to October, 2008 and blood for blood culture was obtained (in response to clinicians order) at least 2 times from two separate sites. Results: From 244 cases of blood culture, 62 cases (25%) were false positive, 31 cases (12%) were true positive and other cases are negative. Pseudomonas was the commonest organism in false positive cases followed by staphylococcus. Conclusion: There is a need for a close relationship between microbiology laboratory and clinical departments in order to avoid additional costs and also, cross- training for blood cultures.
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spelling doaj.art-eaad2125e8fb4fef8ec5c99872a471bc2022-12-21T18:59:00ZfasShahid Sadoughi University of Medical SciencesMajallah-i Dānishgāh-i ’Ulūm-i Pizishkī-i Shahīd Ṣadūqī Yazd2228-57412228-57332010-10-01184361368Blood Culture Contamination and the Type of Microorganisms in True and False Positive Results in Patients Admitted at Avicenna QazvinE SajadiS AsefzadeM AsefzadeF ManuchehriIntroduction: Diagnosis of infection based on blood culture alone is not a suitable method, but it is important to understand the clinical diagnosis for interpreting blood cultures. The goal of this study was to determine blood culture contamination and the type of microorganisms in false and real positive cases in patients admitted at Avicenna Hospital. Methods: This cross sectional study was done on all patients in the emergency and internal medicine departments from April, 2008 to October, 2008 and blood for blood culture was obtained (in response to clinicians order) at least 2 times from two separate sites. Results: From 244 cases of blood culture, 62 cases (25%) were false positive, 31 cases (12%) were true positive and other cases are negative. Pseudomonas was the commonest organism in false positive cases followed by staphylococcus. Conclusion: There is a need for a close relationship between microbiology laboratory and clinical departments in order to avoid additional costs and also, cross- training for blood cultures.http://85.185.157.11:6280/jssu/browse.php?a_id=1147&slc_lang=en&sid=1&ftxt=1Culture TechniquesBloodMicrobiologyFalse positive Reaction
spellingShingle E Sajadi
S Asefzade
M Asefzade
F Manuchehri
Blood Culture Contamination and the Type of Microorganisms in True and False Positive Results in Patients Admitted at Avicenna Qazvin
Majallah-i Dānishgāh-i ’Ulūm-i Pizishkī-i Shahīd Ṣadūqī Yazd
Culture Techniques
Blood
Microbiology
False positive Reaction
title Blood Culture Contamination and the Type of Microorganisms in True and False Positive Results in Patients Admitted at Avicenna Qazvin
title_full Blood Culture Contamination and the Type of Microorganisms in True and False Positive Results in Patients Admitted at Avicenna Qazvin
title_fullStr Blood Culture Contamination and the Type of Microorganisms in True and False Positive Results in Patients Admitted at Avicenna Qazvin
title_full_unstemmed Blood Culture Contamination and the Type of Microorganisms in True and False Positive Results in Patients Admitted at Avicenna Qazvin
title_short Blood Culture Contamination and the Type of Microorganisms in True and False Positive Results in Patients Admitted at Avicenna Qazvin
title_sort blood culture contamination and the type of microorganisms in true and false positive results in patients admitted at avicenna qazvin
topic Culture Techniques
Blood
Microbiology
False positive Reaction
url http://85.185.157.11:6280/jssu/browse.php?a_id=1147&slc_lang=en&sid=1&ftxt=1
work_keys_str_mv AT esajadi bloodculturecontaminationandthetypeofmicroorganismsintrueandfalsepositiveresultsinpatientsadmittedatavicennaqazvin
AT sasefzade bloodculturecontaminationandthetypeofmicroorganismsintrueandfalsepositiveresultsinpatientsadmittedatavicennaqazvin
AT masefzade bloodculturecontaminationandthetypeofmicroorganismsintrueandfalsepositiveresultsinpatientsadmittedatavicennaqazvin
AT fmanuchehri bloodculturecontaminationandthetypeofmicroorganismsintrueandfalsepositiveresultsinpatientsadmittedatavicennaqazvin