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CLINICAL TRIAL
COMPARATIVE STUDY
JOURNAL ARTICLE
RANDOMIZED CONTROLLED TRIAL
Early administration of hydrocortisone in the emergency room treatment of acute asthma: a controlled clinical trial.
Respiratory Medicine 1994 November
STUDY OBJECTIVE: To determine whether early administration of a single dose of intravenous hydrocortisone (500 mg) modified the need for hospitalization and duration of treatment, and improve pulmonary function assessed by subjective and objective criteria of acute asthma patients.
DESIGN: Randomized, double-blind, placebo-controlled trial.
SETTING: The emergency room (ER) of a large, urban hospital with primary and referral care responsibilities.
PATIENTS: Ninety-eight patients from 18 to 50 years of age with acute bronchial asthma, with a PEFR and FEV1 in the first second below 50% of predicted value (FEV1 mean % of predicted = 27.8 +/- 10.0) and without history of chronic cough or other medical disease.
INTERVENTIONS: The corticosteroid group received 500 mg of intravenous hydrocortisone whereas the control group received intravenous normal saline immediately after arrival to the ER. Additional treatment included salbutamol delivered with metered-dose inhaler into a spacer device (Volumatic), in four puffs actuated in rapid succession (100 micrograms per actuation), at 10-min intervals. The final mean dose was 5.7 mg for the steroid group and 5.6 mg for the control one (P = 0.86). Hospitalization was mandatory if total treatment time was greater than 6 h.
MEASUREMENTS AND RESULTS: Age, sex, PEFR, FEV1, FVC, symptom index, and corticosteroids use were similar in both groups. FEV1 expressed as mean % of predicted was 54.6 +/- 17.3% in the control group and 54.6 +/- 17.4% in the steroid group (P = 0.75). Duration of ER treatment was 2.22 +/- 1.75 h in the corticosteroid group and 2.24 +/- 1.70 h in the control group (P = 0.81). The hospital admission rate was 10.2% for the corticosteroid group and 8.16% for the control group. There were no differences between the groups when patients admitted or discharged were examined separately.
CONCLUSIONS: Early administration of corticosteroids does not modify outcome of ER treatment of asthma, and does not improve pulmonary function in the first 6 h of treatment. In accord with this, administration of corticosteroids to these patients could be delayed by several hours without modifying clinical outcome. When an aggressive beta-agonist bronchodilator regimen is used, it obviates the need for steroids in this early stage of treatment.
DESIGN: Randomized, double-blind, placebo-controlled trial.
SETTING: The emergency room (ER) of a large, urban hospital with primary and referral care responsibilities.
PATIENTS: Ninety-eight patients from 18 to 50 years of age with acute bronchial asthma, with a PEFR and FEV1 in the first second below 50% of predicted value (FEV1 mean % of predicted = 27.8 +/- 10.0) and without history of chronic cough or other medical disease.
INTERVENTIONS: The corticosteroid group received 500 mg of intravenous hydrocortisone whereas the control group received intravenous normal saline immediately after arrival to the ER. Additional treatment included salbutamol delivered with metered-dose inhaler into a spacer device (Volumatic), in four puffs actuated in rapid succession (100 micrograms per actuation), at 10-min intervals. The final mean dose was 5.7 mg for the steroid group and 5.6 mg for the control one (P = 0.86). Hospitalization was mandatory if total treatment time was greater than 6 h.
MEASUREMENTS AND RESULTS: Age, sex, PEFR, FEV1, FVC, symptom index, and corticosteroids use were similar in both groups. FEV1 expressed as mean % of predicted was 54.6 +/- 17.3% in the control group and 54.6 +/- 17.4% in the steroid group (P = 0.75). Duration of ER treatment was 2.22 +/- 1.75 h in the corticosteroid group and 2.24 +/- 1.70 h in the control group (P = 0.81). The hospital admission rate was 10.2% for the corticosteroid group and 8.16% for the control group. There were no differences between the groups when patients admitted or discharged were examined separately.
CONCLUSIONS: Early administration of corticosteroids does not modify outcome of ER treatment of asthma, and does not improve pulmonary function in the first 6 h of treatment. In accord with this, administration of corticosteroids to these patients could be delayed by several hours without modifying clinical outcome. When an aggressive beta-agonist bronchodilator regimen is used, it obviates the need for steroids in this early stage of treatment.
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