ITEM METADATA RECORD
Title: Interventions for preventing critical illness polyneuropathy and critical illness myopathy
Authors: Hermans, Greet
De Jonghe, Bernard
Bruyninckx, Frans
Van den Berghe, Greet
Issue Date: 2009
Publisher: John Wiley & Sons, Ltd.
Series Title: The Cochrane Collaboration
Abstract: Background
Critical illness polyneuro-and/or myopathy (CIP/CIM) is an important and frequent complication in the intensive care unit (ICU),
causing delayed weaning from mechanical ventilation. It may increase ICU stay and mortality.
Objectives
To examine the ability of any intervention to prevent the occurrence of CIP/CIM.
Search strategy
We searched the Cochrane Neuromuscular Disease Group Trials Register (October 2007), MEDLINE (January 1950 to April 2008),
EMBASE (January 1980 to October 2007), checked bibliographies and contacted trial authors and experts in the field.
Selection criteria
All randomised controlled trials (RCTs), examining the effect of any intervention on the incidence of CIP/CIM in adult medical
or surgical ICU patients. The primary outcome measure was the incidence of CIP/CIM after at least seven days in ICU, based on
electrophysiological or clinical examination.
Data collection and analysis
Two authors independently extracted the data.
Main results
Three out of nine identified trials, provided data on our primary outcome measure. Two trials examined the effects of intensive insulin
therapy versus conventional insulin therapy. Eight hundred and twenty-five out of 2748 patients randomised, were included in the
analysis. The incidence of CIP/CIM was significantly reduced with intensive insulin therapy in the population screened for CIP/CIM (relative risk (RR) 0.65, 95% confidence interval (CI) 0.55 to 0.78) and in the total population randomised (RR 0.60, 95% CI 0.49
to 0.74). Duration of mechanical ventilation, duration of ICU stay and 180-day mortality but not 30-day mortality, were significantly
reduced with intensive insulin therapy, in both the total and the screened population. Intensive insulin therapy significantly increased
hypoglycaemic events and recurrent hypoglycaemia. Death within 24 hours of the hypoglycaemic event was not different between
groups. The third trial examined the effects of corticosteroids versus placebo in 180 patients with prolonged acute respiratory distress
syndrome. No significant effect of corticosteroids on CIP/CIM was found (RR 1.09, 95% CI 0.53 to 2.26). No effect on 180-day
mortality, new serious infections and glycaemia at day seven was found. A trend towards fewer episodes of pneumonia and reduction
of new events of shock was shown.
Authors’ conclusions
Substantial evidence shows that intensive insulin therapy reduces the incidence of CIP/CIM, the duration of mechanical ventilation,
duration of ICU stay and 180-day mortality. There was a significant associated increase in hypoglycaemia. Further research needs to
identify the clinical impact of this and strategies need to be developed to reduce the risk of hypoglycaemia. Limited evidence shows
no significant effect of corticosteroids on the incidence of CIP/CIM, or on any of the other secondary outcome measures, except
for a significant reduction of new episodes of shock. Strict diagnostic criteria for the purpose of research should be defined. Other
interventions should be investigated in randomised controlled trials.
Publication status: published
KU Leuven publication type: IBa
Appears in Collections:Laboratory for Clinical Infectious and Inflammatory Disorders
Physical Medicine and Revalidation Section (-)
Laboratory of Intensive Care Medicine

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