scholarly journals Implementation of satellite blood-culture system in an emergency department: impact of time-to results in sepsis detection

2016 ◽  
Vol 31 (2) ◽  
Author(s):  
Andrea Rocchetti ◽  
Fabio Rapallo ◽  
Paolo Bottino ◽  
Alessandra Mastrazzo

The aim of this study is to compare the time differences in the detection of sepsis, making a comparison between the TAT (turnaround time) of blood cultures in the Emergency Department (ED) compared to the other hospital units. Positive blood cultures were divided into 2 groups: those from ED, and those from other hospital units. For this reason, a continuously monitoring blood culture incubator has been placed in the ED. We considered only adult patients. During the 1-year study, we considered all positive for each patient. Results obtained demonstrate that placing an automated blood culture system in an area of critical importance allows to obtain significant improvements in terms of time and quality of the results. Furthermore, reduction of TAT is determined more by the times of sample transport rather than the processing time.

2021 ◽  
Vol 8 (4) ◽  
pp. 327-332
Author(s):  
Humera Qudsia Fatima Ansari ◽  
Lubna Saher ◽  
Mustafa Afzal

: Blood cultures are a proven gold standard method for the identification of causative agents of bloodstream infections. Identification of causative organism along with antibiotic susceptibility plays a pivotal role in proposing suitable antibiotic therapy. Automated blood culture systems show improved monitoring of blood cultures by reducing the time and by ensuring more accurate results when compared to the conventional blood culture system. To isolate the organism from given blood samples of a suspected case of septicemia and to compare the results of conventional and automated blood culture systems and to study the antimicrobial susceptibility pattern of the pathogens isolated. A prospective study of 6 months period was conducted among 100 subjects attending the Department of Microbiology in a tertiary care hospital. Subjects with symptoms and signs of septicemia were included. 25ml of venous blood was drawn aseptically from the venipuncture site, of which 5ml of blood was inoculated into 50ml of Brain Heart Infusion bottle in conventional blood culture system and 10ml each into aerobic and anaerobic BACTEC PLUS bottle in Automated blood culture system BACTEC FX40. Overall, 48% and 60% of the samples revealed positive growth by the conventional and automated blood culture system BACTEC FX40, respectively. Gram Positive Cocci were 52.08% and Gram Negative Bacilli were 47.91% isolated by conventional blood culture system, whereas automated blood culture system BACTEC FX40 isolated 45% and 55%, respectively. Isolates were detected within 24-48hrs and 12-24 hrs by conventional and automated blood culture systems, respectively. The anti-microbial susceptibility pattern of the pathogens isolated was also recorded by Kirby Bauer disc diffusion method of antimicrobial susceptiblity testing. Automated blood culture systems are a trustworthy substitute to conventional blood culture systems. The automated blood culture systems being more sensitive and rapid in detecting septicemia in subjects acts as an appropriate means for the initial identification and detection of blood pathogens and improved provision of antimicrobial therapeutic options for septic Patients especially in Critical Care and Intensive Care Units where positive culture reporting is crucial.


PEDIATRICS ◽  
2000 ◽  
Vol 105 (3) ◽  
pp. 523-527 ◽  
Author(s):  
Joseph A. Garcia-Prats ◽  
Timothy R. Cooper ◽  
Virginia F. Schneider ◽  
Charles E. Stager ◽  
Thomas N. Hansen

2007 ◽  
Vol 29 ◽  
pp. S244-S245
Author(s):  
St. Fokas ◽  
Sp. Fokas ◽  
G. Altouvas ◽  
M. Tsironi ◽  
S. Kaptanis ◽  
...  

2017 ◽  
Vol 22 (2) ◽  
pp. 64-70 ◽  
Author(s):  
Christina Ryan

Abstract Introduction: Blood cultures are critical values for identifying the source of an infection in patients seeking medical treatment for an acute illness. False-positive cultures can negatively influence patient care when physicians use inaccurate information to prescribe treatment. Inaccurate prescribed treatment negatively influences the quality of patient care related to prolonged medical treatment and hospital stay and unnecessary repetition of diagnostic tests. Purpose: The purpose of this project was to determine if blood culture contamination rates would be decreased if improved availability of CHG products was provided in all emergency department patient care areas would reduce the contamination rates of blood cultures. Methodology: The Theory of Planned Behavior provided the theoretical framework for this descriptive correlational project to examine barriers to following the procedural guidelines to cleanse venipuncture sites with a chlorhexidine gluconate (CHG) product before venipuncture Alcohol preparation pads were removed from the emergency department and a CHG product packaged similar to the alcohol preparation pads was placed in the department procedure trays and bedside carts. Results: During the first 2 weeks of the pilot project, blood culture contamination rates were reduced from 4.5% to 1.5%. The following month, rates remained low at 1.9%. Conclusion: Placement of CHG products at the bedside will improve patient safety and quality of care by reducing the incidence of inaccurate diagnosis and treatment based on false-positive blood cultures.


1998 ◽  
Vol 36 (4) ◽  
pp. 1032-1034 ◽  
Author(s):  
David J. Speers ◽  
Thomas R. Olma ◽  
Gwendolyn L. Gilbert

The identification of Staphylococcus aureus directly from blood cultures is clinically relevant, but it requires a test that is both rapid and reliable. Previously, biochemical, immunological, tube coagulase, and thermostable-endonuclease methods have shown variable sensitivity and specificity. Testing directly from blood culture broth has not been described for the latex kit Staphaurex Plus (Murex Diagnostics Ltd.), and the modified conventional tests have not been used with the newer, continuously monitored blood culture systems. In addition, the commercial RAPIDEC staph kit (bioMerieux Vitek, Inc.) has been used to detect S. aureus directly from the Vital blood culture system (bioMerieux, Marcy l’Etoile, France), but its performance has not been evaluated with other continuously monitored systems. A total of 201 clinical blood cultures (BACTEC 9240 culture system; Johnston Laboratories, Inc.) in which a Gram stain showed gram-positive cocci resembling staphylococci were evaluated prospectively. The Staphaurex Plus kit, the tube coagulase test, the thermostable-endonuclease test, and the RAPIDEC staph kit were compared. The sensitivities were 23, 92, 85, and 98% and the specificities were 99, 100, 93, and 100%, respectively. The RAPIDEC staph kit was the most reliable test, with a diagnostic accuracy comparable to that of the best published results for any of the rapid tests. However, it was the most expensive of the tests and relatively labor-intensive. The tube coagulase test was also sensitive, the simplest to perform, and inexpensive.


Author(s):  
E. Kirecci ◽  
Y. Ozkanlar ◽  
M.S. Aktas ◽  
M.H. Uyanik ◽  
H. Yazgi

An automated blood culture system (BACTEC 9240) was used for the isolation of aerobic bacteria from the blood of septicaemic neonatal calves. Blood samples were collected from 90 clinically septicaemic and 20 healthy neonatal calves and inoculated into blood culture bottles. There were 89 significant isolates from 90 positive blood cultures using the BACTEC system. Escherichia coli was the most common pathogen detected accounting for 56 (63 %) out of 89 isolates. The other pathogens were β-haemolytic streptococci (15.7 %), Staphylococcusaureus (10.1 %), Klebsiella sp. (5.6 %) and Corynebacterium sp. (5.6 %). All isolates showed a susceptibility rate of 100 % to enrofloxacin, cefepim, cefoperazone / sulbactam, imipenem and meropenem while some of them were ranged from 75 to 91.7 % susceptible to amoxicillin / clavulanic acid, ampicillin / sulbactam, gentamicin and cephalosporins.


Sign in / Sign up

Export Citation Format

Share Document