흡입기의 부작용이 발생할 위험을 줄여줍니다1, 2, 3, 4, 5, 6, 7.
에어로졸 약물은 흡입기에서 매우 빠른 속도로 분무되기 때문에 숨을 들이마심과 동시에 약물 캔을 눌러야 하며 많은 경우 올바르게 사용하기가 쉽지 않습니다8, 9.
치료 효과를 높여줍니다. 흡입기만 사용했을 때는 약물이 입이나 목구멍에 머물거나 위 속으로 들어가는 경우가 많습니다. 밸브형 정지 챔버를 사용하면 약물을 필요로 하는 폐 안에 최대 4배 더 효과적으로 전달할 수 있습니다10.
각주:
[1] Salzman G., Pyszynski D. Oropharyngeal candidiasis in patients treated with beclomethasone dipropionate delivered by metered-dose inhaler along and with Aerochamber. Journal of Allergy and Clinical Immunology, 1988; Volume 81, Issue 2: 424-428.
[2] Derendorf H., Nave R., Drollmann A., Cerasoli F., Wurst W. Relevance of pharmacokinetics and pharmacodynamics of inhaled corticosteroids to asthma. European Respiratory Journal, 2006; 28:1042-1050.
[3] Roller M., Zhang G., Troedson R.G., Leach C.L., Le Souëf P.N., Devadason S.G. Spacer inhaler technique and deposition of extra fine aerosol in asthmatic children. European Respiratory Journal, 2007; 29:299-306.
[4] Von Hollen D., Slater L., Hatley RHM. Impact of flow rate on NGI throat deposition from 3 HFA Inhaler formulations with anti-static valved holding chambers. Journal of Aerosol Medicine and Pulmonary Drug Delivery, 2013; 26(2); A45-A46.
[5] Oliveira R.F., et al. VHC performance evaluation at constant flow: 30L/min. Proceedings of the ASME2015 International Mechanical Engineering Congress and Exposition, 2015 Houston Texas.
[6] Leach C., Colice G. A Pilot Study to Assess Lung Deposition of HFA-Beclomethasone and CFC-Beclomethasone from a pressurized Metered Dose Inhaler with and without add-on spacers and using varying breath hold times. Journal of Aerosol Medicine and Pulmonary Drug Delivery, 2010; 23(6):355-361.
[7] Dickens G., et al. Pharmacokinetics of flunisolide administered via metered dose inhaler with and without a spacer device and following oral administration. Annals of Allergy, Asthma & Immunology, 2000; Volume 84, 528-532.
[8] Saunders K.B. Misuse of inhaled bronchodilator agents. Br Med J. 1965; 1:1037-1038.
[9] Oprehek J., et al. Patient error in use of bronchodilator metered aerosols. Br Med J. 1976; 1:76.
[10] Gardenhire D., Arzu A., Dean H., Myers T. A guide to aerosol delivery devices for respiratory therapists 3rd edition, American Association for Respiratory Care, 2013.
[11] Nhlbi.nih.gov. Delivery devices in infants and young children. Accessed September 2017.
[12] Hsu W., et al. Evaluation of delivery efficiency from valved holding chambers with facemasks. Resp. Drug Delivery Europe, 2011; 2:505-510.
[13] Lung.org. Managing asthma/Valved holding chambers. Accessed September 2017.
[14] Everard ML., Clark AR., Milner AD. Drug delivery from holding chamber with facemask. Arch Dis Child, 1992; 67:580-585.
[15] Mitchell J. et al. Electrostatic and inhaled medications: Influence on delivery via pressurized metered dose inhalers and add on devices. Respiratory Care, 2000. Volume 52(3):283-300.
[16] Adapted from: Hirst, PH., et al. Deposition and pharmacokinetics of an HFA formulation of Triamcinolone Acetonide delivered by pressurized metered dose inhaler. Journal of Aerosol Medicine. 2001; Volume 14 (2):155-166.
[17] Adapted from Erzinger, S. et al. Facemaks and aerosol delivery in vivo. Journal Aerosol Medicine 2007; 20 (Suppl 1):S78-S84
[18] Among retail pharmacies who claim to have a preferred brand of spacer in their pharmacy. Online survey conducted on 205 registered retail pharmacists.