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Early versus late intravenous insulin administration in critically ill patients.

ABSTRACT: OBJECTIVE:To investigate whether timing of intensive insulin therapy (IIT) after intensive care unit (ICU) admission influences outcome. DESIGN AND SETTING:Single-center prospective cohort study in the 14-bed medical ICU of a 1,171-bed tertiary teaching hospital. PATIENTS:The study included 127 patients started on ITT within 48 h of ICU admission (early group) and 51 started on ITT thereafter (late group); the groups did not differ in age, gender, race, BMI, APACHE III, ICU steroid use, admission diagnosis, or underlying comorbidities. MEASUREMENTS AND RESULTS:The early group had more ventilator-free days in the first 28 days after ICU admission (median 12 days, IQR 0-24, vs. 1 day, 0-11), shorter ICU stay (6 days, IQR 3-11, vs. 11 days, vs. 7-17), shorter hospital stay (15 days, IQR 9-30, vs. 25 days, 13-43), lower ICU mortality (OR 0.48), and lower hospital mortality (OR 0.27). On multivariate analysis, early therapy was still associated with decreased hospital mortality (ORadj 0.29). The strength and direction of association favoring early IIT was consistent after propensity score modeling regardless of method used for analysis. CONCLUSIONS:Early IIT was associated with better outcomes. Our results raise questions about the assumption that delayed administration of IIT has the same benefit as early therapy. A randomized study is needed to determine the optimal timing of therapy.

SUBMITTER: Honiden S

PROVIDER: S-EPMC2486366 | biostudies-literature | 2008 May

REPOSITORIES: biostudies-literature

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Early versus late intravenous insulin administration in critically ill patients.

Honiden Shyoko S Schultz Atara A Im Shelly A SA Nierman David M DM Gong Michelle N MN

Intensive care medicine 20080108 5

<h4>Objective</h4>To investigate whether timing of intensive insulin therapy (IIT) after intensive care unit (ICU) admission influences outcome.<h4>Design and setting</h4>Single-center prospective cohort study in the 14-bed medical ICU of a 1,171-bed tertiary teaching hospital.<h4>Patients</h4>The study included 127 patients started on ITT within 48 h of ICU admission (early group) and 51 started on ITT thereafter (late group); the groups did not differ in age, gender, race, BMI, APACHE III, ICU ...[more]

PMID: 18180902

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Project description:OBJECTIVES:Acute kidney injury is a common complication of major surgery. However, acute kidney injury occurring within the first 48 hours after surgery (early acute kidney injury) and therefore likely related to the surgery itself is possibly different from acute kidney injury occurring after 48 hours (late acute kidney injury). The aim of this study was to describe the epidemiology and identify differences in risk factors and outcomes between early and late acute kidney injury following major surgery. DESIGN:Retrospective cohort study. SETTING:Academic Medical Center. PATIENTS:Patients admitted to ICU following noncardiac major surgery. INTERVENTIONS:None. MEASUREMENTS AND MAIN RESULTS:We analyzed data from 3,499 patients and defined acute kidney injury according to full Kidney Disease: Improving Global Outcomes criteria and classified as early (48?hr or less) or late (> 48?hr to 7 d) based on time from surgery. Separate multivariable logistic regression models were fit to identify risk factors of early acute kidney injury compared with no acute kidney injury and risk factors of late acute kidney injury compared with no acute kidney injury. Overall 41.7% (1,459/3,499) developed early acute kidney injury versus 14.4% (504/3,499) late acute kidney injury. Most acute kidney injury occurred within 48 hours following surgery and 12 hours was the peak interval. Risk factors for early acute kidney injury included increased age, body mass index, decreased estimated glomerular filtration rate, and anemia, whereas late acute kidney injury cases were closely associated with postoperative factors, like sepsis, mechanical ventilation, positive fluid balance, blood transfusions and exposure to diuretics, vasopressors, and nonsteroidal anti-inflammatory drugs. After adjusting for age, body mass index, estimated glomerular filtration rate, comorbidities, surgery type, both early acute kidney injury (odds ratio [95% CI], 1.84 [1.50-2.27]) and late acute kidney injury (odds ratio [95% CI], 1.42 [1.09-1.85]) were associated with higher 1-year mortality compared with patients without acute kidney injury. We found similar results in a validation cohort of 10,723 patients admitted between 2008 and 2014. CONCLUSIONS:Most surgery-related acute kidney injury occurred within 48 hours of surgery. Acute kidney injury occurring within the first 48 hours was associated with underlying health, whereas acute kidney injury occurring after 48 hours was related to postoperative complications or drugs. Design of clinical and experimental interventions for acute kidney injury in this population should consider these differences.

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Early versus late intravenous insulin administration in critically ill patients.

Publications

Early versus late intravenous insulin administration in critically ill patients.

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