Corticosteroid treatment for sepsis: a critical appraisal and meta-analysis of the literature
Cronin L, Cook D J, Carlet J, Heyland D K, King D, Lansang M A, Fisher C J
Authors' objectives
To determine the effect of corticosteroid therapy on morbidity and mortality in patients with sepsis.
Searching
MEDLINE and EMBASE were searched from 1966 to 1993 using the following MeSH terms: 'sepsis' and 'steroids' or
'corticosteroids', and 'septic shock and 'steroids' or 'corticosteroids'. The Science Citation Index was searched using the
terms 'sepsis' and (explode) 'corticosteroid', and 'septic shock' and (explode) 'corticosteroid'. Index Medicus was
handsearched from 1951 onwardusing the terms 'corticosteroids', 'steroids', 'sepsis' and 'septic shock'. Personal files,
reference lists of relevant primary and review articles, and contact with primary investigators were used to locate
additional published and unpublished material.
Study selection
Study designs of evaluations included in the review
Randomised clinical trials were included.
Specific interventions included in the review
Intravenous corticosteroids (methylprednisolone, dexamethasone, betamethasone and hydrocortisone).
Participants included in the review
Adults with signs of sepsis or septic shock, including at least 2 of the following: shaking chills and/or temperature
greater than 38.9 or less than 35.5 C; heart beat greater than 100 beats/min; systolic blood-pressure less than 90 mmHg;
bacteraemia; organ dysfunction.
Outcomes assessed in the review
Mortality. Complications of corticosteroid therapy (secondary infection, upper gastrointestinal bleeding, progression of
organ dysfunction, hyperglycaemia).
How were decisions on the relevance of primary studies made?
Two investigators independently reviewed the titles and abstracts of all relevant articles. Three investigators (one of
whom was blinded to the journal, authors, institution, and the magnitude and direction of results) independently applied
the study selection criteria to full manuscripts. The selection criteria were based on study design, population,
intervention and outcome. Any discrepancies were resolved by consensus.
Assessment of study quality
The validity assessment was based on patient selection, patient characteristics at baseline, randomisation, blinding,
intervention, contamination, cointervention, explicit description of complications of steroids, withdrawals, use of
intention to treat protocol, and explicit definition of septic shock. A methodological quality scoring system was applied
independently by two reviewers (one was blinded to the journal, authors, institution, and the magnitude and direction of
results). The authors of the primary studies were consulted regarding the accuracy of methodological scores, and
additional information was requested if necessary. Any disagreements between reviewers were resolved by discussion
and consensus.
Data extraction
Data were extracted on population, intervention, outcome, and methodological quality by two investigators. Any
disagreements were resolved by consensus. Information was requested from primary investigators when data were
missing or unclear.
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