scholarly journals Molecular epidemiology ofPseudomonas aeruginosain an intensive care unit

1993 ◽  
Vol 110 (3) ◽  
pp. 427-436 ◽  
Author(s):  
G. Döring ◽  
M. Hörz ◽  
J. Ortelt ◽  
H. Grupp ◽  
C. Wolz
Keyword(s):  
Intensive Care Unit ◽  
Intensive Care ◽  
Hand Washing ◽  
Surgical Intensive Care Unit ◽  
Surgical Intensive Care ◽  
Aerosol Generation ◽  
Air Sampler ◽  
Route Of Transmission ◽  
Hygienic Measures ◽  
Hospital Acquired

SUMMARYGenotyping was used to analysePseudomonas aeruginosaisolates from sink drains and 15 intubated patients as part of a 3-month prospective study of strain transmission in a medical-surgical intensive care unit. Ninety percent of all washbasin drains were persistently contaminated with severalP. aeruginosagenotypes. In 60% (9/15) of the patients,P. aeruginosacolonization or infection was hospital-acquired:P. aeruginosastrains isolated from these patients were present in hospital sinks or in other patients before their admission. Since all patients were immobile, personnel were the probable route of transmission ofP. aeruginosain the hospital. The mechanism of strain transmission from sinks to hands during hand washing was investigated in a children's hospital. WhenP. aeruginosawas present at densities of > 105/c.f.u. per ml in sink drains, hand washing resulted in hand contamination withP. aeruginosavia aerosol generation in the majority of experiments orP. aeruginosawas detected using an air sampler above the washing basin. HighP. aeruginosacfu were present at 4.30 h in the eight sinks (5.4 × 105−7.0 × 1010c.f.u./ml), whereas at 13.00 hP. aeruginosac.f.u. were significantly lower (3.1 × 102−8.0 × 105c.f.u. / ml). These data reveal that the danger of bacterial contamination of hands during hand washing is highest in the morning. The identified transmission routes demand more effective hygienic measures in hospital settings particularly concerning personnel hands and sink drains.

scholarly journals Comparison of Automated Strategies for Surveillance of Nosocomial Bacteremia

2007 ◽  
Vol 28 (9) ◽  
pp. 1030-1035 ◽  
Author(s):  
Cristina Bellini ◽  
Christiane Petignat ◽  
Patrick Francioli ◽  
Aline Wenger ◽  
Jacques Bille ◽  
...  
Keyword(s):  
Intensive Care Unit ◽  
Intensive Care ◽  
Clinical Data ◽  
University Hospital ◽  
Surgical Intensive Care Unit ◽  
Surgical Intensive Care ◽  
Automated Surveillance ◽  
Contaminated Blood ◽  
Hospital Acquired

Objective.Surveillance of nosocomial bloodstream infection (BSI) is recommended, but time-consuming. We explored strategies for automated surveillance.Methods.Cohort study. We prospectively processed microbiological and administrative patient data with computerized algorithms to identify contaminated blood cultures, community-acquired BSI, and hospital-acquired BSI and used algorithms to classify the latter on the basis of whether it was a catheter-associated infection. We compared the automatic classification with an assessment (71% prospective) of clinical data.Setting.An 850-bed university hospital.Participants.All adult patients admitted to general surgery, internal medicine, a medical intensive care unit, or a surgical intensive care unit over 3 years.Results.The results of the automated surveillance were 95% concordant with those of classical surveillance based on the assessment of clinical data in distinguishing contamination, community-acquired BSI, and hospital-acquired BSI in a random sample of 100 cases of bacteremia. The two methods were 74% concordant in classifying 351 consecutive episodes of nosocomial BSI with respect to whether the BSI was catheter-associated. Prolonged episodes of BSI, mostly fungemia, that were counted multiple times and incorrect classification of BSI clinically imputable to catheter infection accounted for 81% of the misclassifications in automated surveillance. By counting episodes of fungemia only once per hospital stay and by considering all cases of coagulase-negative staphylococcal BSI to be catheter-related, we improved concordance with clinical assessment to 82%. With these adjustments, automated surveillance for detection of catheter-related BSI had a sensitivity of 78% and a specificity of 93%; for detection of other types of nosocomial BSI, the sensitivity was 98% and the specificity was 69%.Conclusion.Automated strategies are convenient alternatives to manual surveillance of nosocomial BSI.

Limited Impact of Sustained Simple Feedback Based on Soap and Paper Towel Consumption on the Frequency of Hand Washing in an Adult Intensive Care Unit

2002 ◽  
Vol 23 (3) ◽  
pp. 120-126 ◽  
Author(s):  
Marvin J. Bittner ◽  
Eugene C. Rich ◽  
Paul D. Turner ◽  
William H. Arnold
Keyword(s):  
Intensive Care Unit ◽  
Intensive Care ◽  
Prospective Trial ◽  
Hand Washing ◽  
Surgical Intensive Care Unit ◽  
Control Group ◽  
Surgical Intensive Care ◽  
Adult Intensive Care Unit ◽  
Paper Towel

Objective:To determine whether hand washing would increase with sustained feedback based on measurements of soap and paper towel consumption.Design:Prospective trial with a nonequivalent control group.Setting:Open multibed rooms in the Omaha Veterans Affairs Medical Center's Surgical Intensive Care Unit (SICU) and Medical Intensive Care Unit (MICU).Subjects:Unit staff.Intervention:Every weekday from May 26 through December 8,1998, we recorded daytime soap and paper towel consumption, nurse staffing, and occupied beds in the SICU (intervention unit) and the MICU (control unit) and used these data to calculate estimated hand washing episodes (EHWEs), EHWEs per occupied bed per hour, and patient-to-nurse ratios. In addition, from May 26 through June 26 (baseline period) and from November 2 through December 8 (follow-up period), live observers stationed daily for random 4-hour intervals in the MICU and the SICU counted actual hand washing episodes (CHWEs). The intervention consisted of posting in the SICU, but not in the MICU, a graph showing the weekly EHWEs per occupied bed per hour for the preceding 5 weeks.Results:Directly counted hand washing fell in the SICU from a baseline of 2.68 ± 0.72 (mean ± standard deviation) episodes per occupied bed per hour to 1.92 ± 1.35 in the follow-up period. In the MICU, episodes fell from 2.58 ± 0.95 (baseline) to 1.74 ± 0.69. In the MICU, the withdrawal of live observers was associated with a decrease in estimated episodes from 1.36 ± 0.49 at baseline to 1.01 ± 0.36, with a return to 1.16 ± 0.50 when the observers returned. In the SICU, a similar decrease did not persist throughout a period of feedback. Estimated hand washing correlated negatively with the patient-to-nurse ratio (r= -0.35 for the MICU,r= -0.46 for the SICU).Conclusions:Sustained feedback on hand washing failed to produce a sustained improvement. Live observers were associated with increased hand washing, even when they did not offer feedback. Hand washing decreased when the patient-to-nurse ratio increased.

OC76 THE MORE PROCEDURE (MININVASIVE, OPCAB, RAPID SURGICAL INTENSIVE CARE UNIT EXIT, EXTUBATION INTO THE OPERATING ROOM)

2018 ◽  
Vol 19 ◽  
pp. e26
Author(s):  
M. Colombino ◽  
A. Longobardi ◽  
A. Panza ◽  
G. Mastrogiovanni ◽  
P. Masiello ◽  
...  
Keyword(s):  
Intensive Care Unit ◽  
Intensive Care ◽  
Operating Room ◽  
Surgical Intensive Care Unit ◽  
Surgical Intensive Care
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