TUESDAY, February 8, 2022 (HealthDay News). According to a study published online on February 7, in which a switch from a pressurized dose inhaler (pMDI-based) to a dry powder-based maintenance therapy, it reduces environmental impacts and does no worsen asthma control. Thorax.
Ashley Woodcock, M.D. from the University of Manchester in England, and her colleagues did a post-hoc analysis of data from a subset of patients in the Salford Lung Study in Asthma. The purpose of the analysis was to compare the effects of switching to a DPI based maintenance therapy on asthma control, greenhouse gas emissions, and other factors. 1,081 patients were analyzed who switched to DPI from pMDI, while 1,155 continued with their normal care.
The annual greenhouse gas emissions of carbon dioxide equivalents kg per person for maintenance and rescue therapy were significantly lower when fluticasone furoate/vilanterol DPI treatment was used (the switch group) than with usual care (leastsquares geometric mean, 110 kg versus 240kg). The FF/VI DPI group had a consistent superior asthma control score over the previous 12 months compared to usual care.
“Each puff is a blessing.” [metered dose inhaler]Woodcock stated in a statement that one inhaler is equivalent to driving one mile in an adult car. A powdered inhaler, however, is only about one-fifth of that. This is about evolution, and not revolution. When talking to patients, health care professionals need to have a discussion about the environmental footprints of their inhalers.
Many authors revealed financial ties with GlaxoSmithKline which funded the study.
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