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Evid Based Nurs 5:44 doi:10.1136/ebn.5.2.44
  • Treatment

Review: pressurised metered dose inhalers are as effective as other hand held inhalers for delivering corticosteroids in stable asthma

Pressurised metered dose inhaler v dry powder inhaler for delivering corticosteroids to patients with stable asthma (parallel studies only)*

Outcomes at ≥ 4 weeks Number of studies (n) Standardised mean difference (95% CI)
*Meta-analyses were done using a fixed effects model. FEV1 = forced expiratory volume in 1 second.
FEV1 7 (1404) −0.14 (−0.25 to −0.03)
Morning peak expiratory flow rate 7 (1389) −0.14 (−0.25 to −0.04)
Use of additional relief drugs 6 (967) –0.18 (–0.31 to –0.05)

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