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Late steroid therapy in primary acute lung injury
Respiratory Research volume 2, Article number: 68587 (2000)
Pharmacologic treatments of patients with ARDS have so far produced disappointing results. The use of steroids early in the course of the disease has been shown, in randomized trials, to be ineffective and potentially harmful. The recently introduced idea of selective steroid use, in patients with unresolving ARDS and a protracted fibroproliferative phase, has shown some promise.
This retrospective study adds some evidence to support the use of high dose steroid treatment in acute respiratory distress syndrome (ARDS). No explanation of how patients were selected for the treatment group was given. The study included only patients with primary (pulmonary) ARDS the majority of whom had pneumococcal pneumonia. This stratification of patients represents a comparatively novel approach in the evaluation of the various treatment strategies. The increased risk of infection associated with steroid treatment is a major concern. The finding of no increase in nosocomial infection, despite meticulous and invasive screening, is reassuring. As late phase steroid administration is the only treatment for which there is any evidence of benefit and now further evidence of a lack of detrimental effects, it should be considered for all unresolving ARDS patients. Until the results of a large scale randomized trial (such as the one currently being conducted by the ARDS network, ARDSnet) are available more specific recommendations cannot be made.
31 consecutive patients from one intensive care unit (ICU) with primary (pulmonary) ARDS on mechanical ventilation for > 10 days
Exclusions: Patients with prior steroid treatment, chronic immunosuppression, neuromuscular disease or surgery during the first 10 days of ICU study
16 patients received late steroid therapy, the remaining 15 served as a control group.
Retrospective study with contemporary controls
Variables assessed: demographics, etiology of respiratory failure, blood and (BAL) cultures, APACHE II scores, multiorgan failure (MODS) scores, PaO2/FiO2ratio, C-reactive protein (CRP) levels, nosocomial infection levels, duration of mechanical ventilation, ICU and hospital length of stay and 30 day mortality rate
The treatment and control groups were well matched for age, gender, APACHE II scores, PaO2/FiO2 ratio and etiology of ARDS. Pneumococcal pneumonia was the most common etiology (11 patients in the steroid group and seven in the control) followed by community acquired pneumonia and gastric content aspiration. Ventilator management and supportive care were similar in both groups. There was no significant difference in mortality, nosocomial infection levels, length of stay and duration of mechanical ventilation between the two groups. PaO2/FiO2 ratios improved within the first 3 days of steroid treatment and were associated with a fall in CRP levels. In a subgroup of patients with pneumococcal pneumonia steroid administration was also associated with significant decrease in MODS (-2.3 vs 0.6 P = 0.002) and a trend towards reduced 30 day mortality (18.2% vs 42.8%)
Varpula T, Pettilä V, Rintala E, Takkunen O, Valtonen V: Late steroid therapy in primary acute lung injury. Intensive Care Med. 2000, 26: 526-531.
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Gajic, O. Late steroid therapy in primary acute lung injury. Respir Res 2, 68587 (2000). https://doi.org/10.1186/rr-2001-68587
- ALI, ARDS, corticosteroids, fibroproliferation, methylprednisolone, pneumococcal pneumonia