factors affecting patients’ compliance to metered-dose inhaler drugs in two asthma clinics in tehran, iran

Metered dose inhaler and nebuliser in acute asthma.

One hundred and eleven children with acute asthma were studied to compare delivery of terbutaline by either a metered dose inhaler (MDI) with a valved holding chamber or a nebuliser driven by air. Eligible patients were randomised; the MDI group received three puffs (0.75 mg) of terbutaline and the nebuliser group received 2 ml (5.0 mg) terbutaline solution diluted with 2 ml 0.9% saline for inh...

Metered dose inhaler with spacer in children with acute asthma.

Factors affecting total and "respirable" dose delivered by a salbutamol metered dose inhaler.

BACKGROUND Many factors contribute to the high variability of doses delivered to the lungs of patients using metered dose inhalers (MDIs). Relatively little attention has been paid to the contribution to this variability of the way in which the MDI is handled before the inhalation manoeuvre. Instruction leaflets often recommend procedures at odds with those used for in vitro testing of the devi...

Long-term safety study of levalbuterol administered via metered-dose inhaler in patients with asthma.

BACKGROUND Previous studies have raised concerns regarding the safety of regular use of beta2-agonists for treating asthma. Few studies have explored the safety of at least 1 year of use of racemic albuterol, and none have examined long-term dosing of levalbuterol. OBJECTIVE To examine the long-term safety of levalbuterol hydrofluoroalkane (HFA) vs racemic albuterol HFA administered via meter...

a framework for identifying and prioritizing factors affecting customers’ online shopping behavior in iran

the purpose of this study is identifying effective factors which make customers shop online in iran and investigating the importance of discovered factors in online customers’ decision. in the identifying phase, to discover the factors affecting online shopping behavior of customers in iran, the derived reference model summarizing antecedents of online shopping proposed by change et al. was us...

Salmeterol administration by metered-dose inhaler alone vs metered-dose inhaler plus valved holding chamber.

STUDY OBJECTIVE To determine whether a spacer device designed as a valved holding chamber with a flow signal increases the efficacy of the long-acting beta(2)-agonist, salmeterol, in patients who use incorrect technique with metered-dose inhaler (MDI) alone. DESIGN Double-blind, randomized, placebo-controlled study. SETTING University hospital outpatient rooms. PATIENTS Twenty adult outpa...