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Breathing Exercises for Asthma : Evidence and Practice

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Buteyko breathing techniques inasthmaBowler et al MJA 1998;169:575Prospective blinded r<strong>and</strong>omized study compared BBTwith control relaxation classes• 39 subjects with asthma, aged 12 – 70• Median daily SABA use 900 mcgs, ICS 1500 mcgs• Mean FEV1 75% predicted, end tidal CO2 33.0At 3m, BBT group had median reduction of 904 mcgSABA vs 54mcgs (controls) Daily ICS dose fell 49% BBT vs 0 (p = 0.06) Improvement in QoL (p< 0.4) Reduction in SABA use (p < 0.008) NS improvement in am PEF (16.7L/min)

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