IntroductionImpact of gender on severe infections is in highly controversial discussion with natural survival advantage of females described in animal studies but contradictory to those described human data. This study aims to describe the impact of gender on outcome in mixed intensive care units (ICUs) with a special focus on sepsis.MethodsWe performed a prospective, observational, clinical trial at Charité University Hospital in Berlin, Germany. Over a period of 180 days, patients were screened, undergoing care in three mainly surgical ICUs. In total, 709 adults were included in the analysis, comprising the main population ([female] n = 309, [male] n = 400) including 327 as the sepsis subgroup ([female] n = 130, [male] n = 197).ResultsBasic characteristics differed between genders in terms of age, lifestyle factors, comorbidities, and SOFA-score (Sequential Organ Failure Assessment). Quality and quantity of antibiotic therapy in means of antibiotic-free days, daily antibiotic use, daily costs of antibiotics, time to antibiotics, and guideline adherence did not differ between genders. ICU mortality was comparable in the main population ([female] 10.7% versus [male] 9.0%; P = 0.523), but differed significantly in sepsis patients with [female] 23.1% versus [male] 13.7% (P = 0.037). This was confirmed in multivariate regression analysis with OR = 1.966 (95% CI, 1.045 to 3.701; P = 0.036) for females compared with males.ConclusionsNo differences in patients' outcome were noted related to gender aspects in mainly surgical ICUs. However, for patients with sepsis, an increase of mortality is related to the female sex.
ObjectivesAntibiotic resistance has risen dramatically over the past years. For individual patients, adequate initial antibiotic therapy is essential for clinical outcome. Computer-assisted decision support systems (CDSSs) are advocated to support implementation of rational anti-infective treatment strategies based on guidelines. The aim of this study was to evaluate long-term effects after implementation of a CDSS.DesignThis prospective ‘before/after’ cohort study was conducted over four observation periods within 5 years. One preinterventional period (pre) was compared with three postinterventional periods: directly after intensive implementation efforts (post1), 2 years (post2) and 3 years (post3) after implementation.SettingFive anaesthesiological-managed intensive care units (ICU) (one cardiosurgical, one neurosurgical, two interdisciplinary and one intermediate care) at a university hospital.ParticipantsAdult patients with an ICU stay of >48 h were included in the analysis. 1316 patients were included in the analysis for a total of 12 965 ICU days.InterventionImplementation of a CDSS.Outcome measuresThe primary end point was percentage of days with guideline adherence during ICU treatment. Secondary end points were antibiotic-free days and all-cause mortality compared for patients with low versus high guideline adherence.Main resultsAdherence to guidelines increased from 61% prior to implementation to 92% in post1, decreased in post2 to 76% and remained significantly higher compared with baseline in post3, with 71% (p=0.178). Additionally, antibiotic-free days increased over study periods. At all time periods, mortality for patients with low guideline adherence was higher with 12.3% versus 8% (p=0.014) and an adjusted OR of 1.56 (95% CI 1.05 to 2.31).ConclusionsImplementation of computerised regional adapted guidelines for antibiotic therapy is paralleled with improved adherence. Even without further measures, adherence stayed high for a longer period and was paralleled by reduced antibiotic exposure. Improved guideline adherence was associated with reduced ICU mortality.Trial registration numberISRCTN54598675.
BackgroundVenous access, a prerequisite for anesthesiological and surgical intervention in pediatric patients, is often difficult to establish and potentially painful. AV300 uses near infrared laser light to improve visibility of peripheral veins and could help cannulating them. The aim of this study was to examine if use of Accuvein® AV300 vein viewer could facilitate venous cannulation in children.MethodsFrom January to March 2011, 238 consecutive pediatric patients (0–17 years) preceding surgical interventions were included. All participants including newborns, infants and children were allocated to groups [control group (124 patients) and intervention group (114 patients)] in a non-random way. Randomization was not feasible because data was acquired retrospectively from a clinical quality management project. In control group, peripheral IV cannulation was performed without supporting device, in intervention group with support of AV300. Time and number of attempts until successful venous cannulation were defined as primary end points.ResultsMedian time until successful cannulation was 2 min (range 0.1–20, quartiles: 25 %: 1; 75 %: 5) in the intervention group and 1 min (range 0.1–18, quartiles: 25 %: 0.2; 75 %: 2) in the control group (p < 0.01). Median number of attempts was higher in the intervention group (2; range 1–6, quartiles: 25 %: 1; 75 %: 3) than in the control group (1; range 1–6, quartiles: 25 %: 1; 75 %: 2, p < 0.01). Rate of cannulations successful at first attempt was 0.45 (51 of 114, 95 % CI 0.35–0.54) in the intervention group and 0.73 (90 of 124, 95 % CI 0.65–0.81) in the control group (p < 0.01).ConclusionsIn our study we were not able to reduce neither time nor number of attempts until a successful venous cannulation in children using the vein viewer. Given certain limitations of our study as the lack of randomization and no control for inter-operator variability, the conclusions drawn from it are also limited, but by our results laser-supported cannulation cannot be recommended for standard procedures.Trial registration: ClinicalTrials.gov NCT01434537. Registered 29 July 2011
Two common SNPs of the TLR2 and TLR4 genes--Arg753Gln and Asp299Gly--were associated with a shorter time-to-onset of severe sepsis or septic shock in patients admitted to the ICU.
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