ABSTRACT
Several guidelines base the empirical therapy of ventilator-associated pneumonia [VAP] on the time of onset. However, there is emerging evidence that the isolated microorganisms may be similar regardless of onset time. This study evaluated the characteristics and outcomes of VAP with different onset times. All of the mechanically ventilated patients admitted to the ICU of a 900-bed tertiary-care hospital between 01/08/2003 and 31/12/2010 were prospectively followed for VAP development according to the National Healthcare Safety Network criteria. The patients were categorized into four groups: EO if VAP occurred within 4 days of intubation and hospital admission; LO if VAP occurred after 4 days of admission; EL if VAP occurred within 4 days of intubation, but after the fourth hospitalization day; and LL if VAP occurred after the fourth day of intubation and hospitalization. Out of the 394 VAP episodes, 63 [16%] were EO episodes, 331 [84.0%] were LO episodes, 40 [10.1%] were EL episodes and 291 [73.1%] were LL episodes. The isolated microorganisms were comparable among the four groups, with a similar rate of potentially multidrug resistant organisms in the EO-VAP [31.7%], LO-VAP [40.8%], EL-VAP [37.5%] and LL-VAP [43.3%] samples. The hospital mortality was 24% for EO-VAP cases, 28% for LO-VAP cases, 40% for EL-VAP cases and 49% for LL-VAP cases. However, in the adjusted multivariate analysis, neither LO-VAP, EL-VAP nor LL-VAP was associated with an increased risk of hospital mortality compared with EO-VAP [OR, 0.86 95% CI, 0.34-2.19; 1.22; 95% CI, 0.41-3.68, and 0.95; 95% CI, 0.43-2.10, respectively]. In this study, the occurrence of potential multidrug resistant pathogens and the mortality risk were similar regardless of VAP timing from hospital admission and intubation. The bacterial isolates obtained from the VAP cases did not follow an early vs. late-onset pattern, and thus, these terms may not be clinically helpful
Subject(s)
Humans , Male , Female , Adult , Middle Aged , Aged , Patient Outcome Assessment , Prospective Studies , Cohort Studies , Tertiary Care CentersABSTRACT
A multidisciplinary team was formed to improve hand hygiene [HH] practices in a tertiary-care ICU. At baseline, an audit revealed that the overall HH compliance was 64% and was significantly lower at night than during the day shift. After implementing a stepwise multifaceted approach that included education, workplace reminders, active feedback and later universal contact precautions, the HH compliance improved significantly to >80%, and the improvement was sustained over several months. This improvement was noted during the day and night and affected different healthcare workers as well as visitors
ABSTRACT
Patients in the ICU have encountered an increasing emergence and spread of antibiotic-resistant pathogens. We examined patterns of antimicrobial susceptibility in gram-negative isolates to commonly used drugs in an adult ICU at a tertiary care hospital in Riyadh, Saudi Arabia. A retrospective study was carried out of gram-negative isolates from the adult ICU of King Fahad National Guard Hospital [KFNGH] between 2004 and 2009. Organisms were identified and tested by an automated identification and susceptibility system, and the antibiotic susceptibility testing was confirmed by the disk diffusion method. The most frequently isolated organism was Acinetobacter baumannii, followed by Pseudomonas aeruginosa, Escherichia coli, Klebsiella pnemoniae, Stenotrophomonas maltophilia, and Enterobacter. Antibiotic susceptibility patterns significantly declined in many organisms, especially A baumannii, E coli, S marcescens, and Enterobacter. A baumannii susceptibility was significantly decreased to imipenem [55% to 10%], meropenem [33% to 10%], ciprofloxacin [22% to 10%], and amikacin [12% to 6%]. E coli susceptibility was markedly decreased [from 75% to 50% or less] to cefuroxime, ceftazidime, cefotaxime, and cefepime. S marcescens susceptibility was markedly decreased to cefotaxime [100% to 32%], ceftazidime [100% to 35%], and cefepime [100% to 66%]. Enterobacter susceptibility was markedly decreased to ceftazidime [34% to 5%], cefotaxime [34% to 6%], and pipracillin-tazobactam [51% to 35%]. Respiratory samples were the most frequently indicative of multidrug-resistant pathogens [63%], followed by urinary samples [57%]. Antimicrobial resistance is an emerging problem in the KFNGH ICU, justifying new more stringent antibiotic prescription guidelines. Continuous monitoring of antimicrobial susceptibility and strict adherence to infection prevention guidelines are essential to eliminate major outbreaks in the future