IDEAL-ICU in Context.
Ontology highlight
ABSTRACT:
SUBMITTER: Leaf DE
PROVIDER: S-EPMC6682815 | biostudies-literature | 2019 Aug
REPOSITORIES: biostudies-literature
Publications
IDEAL-ICU in Context.
Leaf David E DE Leaf David E DE Waikar Sushrut S SS
Clinical journal of the American Society of Nephrology : CJASN 20190717 8
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Project description:BackgroundTrials comparing early and delayed strategies of renal replacement therapy in patients with severe acute kidney injury may have missed differences in survival as a result of mixing together patients at heterogeneous levels of risks. Our aim was to evaluate the heterogeneity of treatment effect on 60-day mortality from an early vs a delayed strategy across levels of risk for renal replacement therapy initiation under a delayed strategy.MethodsWe used data from the AKIKI, and IDEAL-ICU randomized controlled trials to develop a multivariable logistic regression model for renal replacement therapy initiation within 48 h after allocation to a delayed strategy. We then used an interaction with spline terms in a Cox model to estimate treatment effects across the predicted risks of RRT initiation.ResultsWe analyzed data from 1107 patients (619 and 488 in the AKIKI and IDEAL-ICU trial respectively). In the pooled sample, we found evidence for heterogeneous treatment effects (P = 0.023). Patients at an intermediate-high risk of renal replacement therapy initiation within 48 h may have benefited from an early strategy (absolute risk difference, - 14%; 95% confidence interval, - 27% to - 1%). For other patients, we found no evidence of benefit from an early strategy of renal replacement therapy initiation but a trend for harm (absolute risk difference, 8%; 95% confidence interval, - 5% to 21% in patients at intermediate-low risk).ConclusionsWe have identified a clinically sound heterogeneity of treatment effect of an early vs a delayed strategy of renal replacement therapy initiation that may reflect varying degrees of kidney demand-capacity mismatch.
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Project description:In this study, the author examined the effect of family size preference and sex composition of living children as determinants of induced abortion among women in India by analyzing 90,303 ever-married women aged 15-49, included in India's second National Family Health Survey, conducted in 1998-99. Multivariate logistic regression methods were used to examine the association between induced abortion and possible determinants. The results indicated that a woman's desire to limit family size with preferred sex composition of children, coupled with her autonomy and the sociocultural context, largely determines her experience of induced abortion in India.
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Project description:BackgroundThis substudy of the randomized IDEAL-ICU trial assessed whether the timing of renal replacement therapy (RRT) initiation has a differential effect on 90-day mortality, according to the criteria used to diagnose acute kidney injury (AKI), in patients with early-stage septic shock.MethodsThree groups were considered according to the criterion defining AKI: creatinine elevation only (group 1), reduced urinary output only (group 2), creatinine elevation plus reduced urinary output (group 3). Primary outcome was 90-day all-cause death. Secondary endpoints were RRT-free days, RRT dependence and renal function at discharge. We assessed the interaction between RRT strategy (early vs. delayed) and group, and the association between RRT strategy and mortality in each group by logistic regression.ResultsOf 488 patients enrolled, 205 (42%) patients were in group 1, 174 (35%) in group 2, and 100 (20%) in group 3. The effect of RRT initiation strategy on 90-day mortality across groups showed significant heterogeneity (adjusted interaction p = 0.021). Mortality was 58% vs. 42% for early vs. late RRT initiation, respectively, in group 1 (p = 0.028); 57% vs. 67%, respectively, in group 2 (p = 0.18); and 58% vs. 55%, respectively, in group 3 (p = 0.79). There was no significant difference in secondary outcomes.ConclusionThe timing of RRT initiation has a differential impact on outcome according to AKI diagnostic criteria. In patients with elevated creatinine only, early RRT initiation was associated with significantly increased mortality. In patients with reduced urine output only, late RRT initiation was associated with a nonsignificant, 10% absolute increase in mortality.
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Project description:BackgroundIntermittent hemodialysis (IHD) and continuous renal replacement therapy (CRRT) are the two main RRT modalities in patients with severe acute kidney injury (AKI). Meta-analyses conducted more than 10 years ago did not show survival difference between these two modalities. As the quality of RRT delivery has improved since then, we aimed to reassess whether the choice of IHD or CRRT as first modality affects survival of patients with severe AKI.MethodsThis is a secondary analysis of two multicenter randomized controlled trials (AKIKI and IDEAL-ICU) that compared an early RRT initiation strategy with a delayed one. We included patients allocated to the early strategy in order to emulate a trial where patients would have been randomized to receive either IHD or CRRT within twelve hours after the documentation of severe AKI. We determined each patient's modality group as the first RRT modality they received. The primary outcome was 60-day overall survival. We used two propensity score methods to balance the differences in baseline characteristics between groups and the primary analysis relied on inverse probability of treatment weighting.ResultsA total of 543 patients were included. Continuous RRT was the first modality in 269 patients and IHD in 274. Patients receiving CRRT had higher cardiovascular and total-SOFA scores. Inverse probability weighting allowed to adequately balance groups on all predefined confounders. The weighted Kaplan-Meier death rate at day 60 was 54·4% in the CRRT group and 46·5% in the IHD group (weighted HR 1·26, 95% CI 1·01-1·60). In a complementary analysis of less severely ill patients (SOFA score: 3-10), receiving IHD was associated with better day 60 survival compared to CRRT (weighted HR 1.82, 95% CI 1·01-3·28; p < 0.01). We found no evidence of a survival difference between the two RRT modalities in more severe patients.ConclusionCompared to IHD, CRRT as first modality seemed to convey no benefit in terms of survival or of kidney recovery and might even have been associated with less favorable outcome in patients with lesser severity of disease. A prospective randomized non-inferiority trial should be implemented to solve the persistent conundrum of the optimal RRT technique.
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Project description:Daytime intensivist physician staffing is associated with improved outcomes in the ICU. However, it is unclear whether this association persists in the era of interprofessional, protocol-directed critical care. We sought to reexamine the association between daytime intensivist physician staffing and ICU mortality and determine if interprofessional rounding and protocols for mechanical ventilation in part mediate this relationship.Retrospective cohort study of ICUs in the Acute Physiology and Chronic Health Evaluation clinical information system from 2009 to 2010.Forty-nine ICUs in 25 U.S. hospitals.Adults (17 yr and older) admitted to a study ICU.None.We defined high-intensity daytime intensivist staffing as either a mandatory consult or closed ICU model; interprofessional rounds as rounds that included a respiratory therapist, pharmacist, physician and nurse; and protocol use as having protocols for liberation from mechanical ventilation and lung protective mechanical ventilation. Using multivariable logistic regression, we estimated the independent effect of daytime intensivist physician staffing on in-hospital mortality controlling for interprofessional rounds and protocols for mechanical ventilation, as well as other patient and hospital characteristics. Twenty-seven ICUs (55%) reported high-intensity daytime physician staffing, 42 ICUs (85%) reported daily interprofessional rounds, and 31 (63%) reported having protocols for mechanical ventilation. There was no association between daytime intensivist physician staffing and in-hospital mortality (adjusted odds ratio, 0.86; 95% CI, 0.65-1.14). After adjusting for interprofessional rounds and protocols for mechanical ventilation, the effect of daytime intensivist physician staffing remained nonsignificant (adjusted odds ratio, 0.90; 95% CI, 0.70-1.17).High-intensity daytime physician staffing in the ICU was not significantly associated with lower mortality in a modern cohort. This association was not affected by interprofessional rounds or protocols for mechanical ventilation.
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Project description:Sequencing of Ralstonia mannitolilytica genomes isolated from intensive care patients and water spray
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