Friday, May 01, 2015 6:53:22 AM
Crit Care. 2015 Apr 28
Póvoa P1,2, Salluh JI3,4, Martinez ML5,6, Guillamat-Prats R7,8, Gallup D9, Al-Khalidi HR10, Thompson BT11, Ranieri VM12, Artigas A13,14.
Author information
Abstract
INTRODUCTION:
The aim of our study was to evaluate the clinical impact of the administration of intravenous steroids, alone or in conjunction with drotrecogin-alfa (activated) (DrotAA), on the outcomes in septic shock patients.
METHODS:
We performed a sub-study of the PROWESS-Shock trial (septic shock patients who received fluids and vasopressors above a predefined threshold for at least 4 hours were randomized to receive either DrotAA or placebo for 96 hours). A propensity score for the administration of intravenous steroids for septic shock at baseline was constructed using multivariable logistic regression. Cox proportional hazards model using inverse probability of treatment weighting of the propensity score was used to estimate the effect of intravenous steroids, alone or in conjunction with DrotAA, on 28-day and 90-day all-cause mortality.
RESULTS:
A total of 1695 patients were enrolled of which 49.5% received intravenous steroids for treatment of septic shock at baseline (DrotAA?+?steroids N?=?436; DrotAA?+?no steroids N?=?414; placebo?+?steroids N?=?403; placebo?+?no steroids N?=?442). The propensity weighted risk of 28-day as well as 90-day mortality in those treated vs. those not treated with steroids did not differ among those randomized to DrotAA vs. placebo (interaction p-value?=?0.38 and p?=?0.27, respectively) nor was a difference detected within each randomized treatment. Similarly, the course of vasopressor use and cardiovascular SOFA did not appear to be influenced by steroid therapy. In patients with lung infection (N?=?744), abdominal infection (N?=?510), Gram-positive sepsis (N?=?420) and Gram-negative sepsis (N?=?461), the propensity weighted risk of 28-day as well as 90-day mortality in those treated vs. those not treated with steroids did not differ among those randomized to DrotAA vs. placebo (interaction 28-day, p?=?0.65, p?=?0.58, p?=?0.49, p?=?0.12; 90-day, p?=?0.75, p?=?0.56, p?=?0.18, p?=?0.12, respectively) nor was a difference detected within each randomized treatment.
CONCLUSIONS:
In the present study of septic shock patients, after adjustment for treatment selection bias, we were unable to find noticeable positive impact from intravenous steroids for treatment of septic shock at baseline either in patients randomized for DrotAA or placebo.
TRIAL REGISTRATION:
Clinicaltrials.gov NCT00604214 . Registered 24 January 2008.
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