nebulizers and vaporizers

..3), and helium-oxygen mixture instead of air or oxygen are other measures to reduce aerosol loss in the airway and thereby improve aerosol delivery to the lower respiratory tract of mechanically ventilated patients...

..Thus, Respimat promises to be a valuable alternative to conventional CFC-MDIs, with the additional benefit of improved drug targeting to the lungs...

..To compare the relative delivery of 2 methods for providing continuously nebulized albuterol (CNA): a small-volume nebulizer plus infusion pump versus a large-volume nebulizer...

..Clinical data indicate that nebulized FLU is effective in asthma treatment in infants and children. Side effects were not reported at the commonly used doses...

..There is a need for continued education of prescribers and users in the proper use of these devices to improve treatment efficacy...

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..Budesonide suspension (1 mg) was used in a concentration of 0.5 mg/mL and terbutaline solution (5 mg) in a concentration of 2.5 mg/mL...

..Small volume nebulisers (SVNs) with masks commonly provide aerosol therapy for infants with lung diseases. However, infants and toddlers are often disturbed by and thus reject masks...

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..The results of our study indicate that IPGE(1) may be a safe, selective pulmonary vasodilator in neonatal hypoxemic respiratory failure...

..The objective of this study was to assess the factors and mechanisms that contribute to and the clinical outcomes relating to adherence to inhalation therapy...

..05). The results support the use of breath-synchronized but not pulsed nebulization with conventional nebulizers. The results of pulsed nebulization in children warrants further clinical studies...

..The impact of nebulizer type, position on the ventilator circuit, and bias flow on aerosol drug delivery has not been established for different age populations...

..However, many patients use these devices incorrectly, so proper patient education in their use is critical...

..The use of devices which alleviate coordination problems should be reinforced in pressurized metered-dose inhaler misusers...

..There is also a need for standardisation of prescribing practices throughout Europe. Regular checking of inhalation technique by prescribers is crucial as correct inhalation is one of the keystones of successful asthma management...

..Both formoterol regimens were well tolerated with no differences in adverse events or electrocardiogram profiles...

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..We sought to update an evaluation of the safety of tiotropium in the HandiHaler formulation as significant clinical trial data have become available over time...

..Some COPD patients have problems achieving required PIFs through DPIs but training is useful to help some exceed the minimum required rate despite only small improvements. The patients found it easier to slow their PIF through the MDI...

..This meter can be used to identify the most suitable inhaler for each individual...

..The clinical significance of the in vitro dose-dependent properties should be investigated...

..Budesonide inhaled from Turbuhaler showed slightly greater systemic effects than budesonide inhaled from Easyhaler. The majority of children and parents preferred Easyhaler to Turbuhaler...

..There is now a strong scientific rationale for single inhaler therapy in asthma, but more research is now needed to better understand the mechanisms involved...

..In conclusion, the addition of once-daily inhaled budesonide 200 microg via Turbuhaler to usual care is safe and well tolerated in children with recent-onset mild persistent asthma...

..To determine if nebulized epinephrine is more efficacious than nebulized albuterol in the emergency department (ED) treatment of moderately ill infants with bronchiolitis...

..New and advanced devices are considered being helpful to minimise the most important problems patients have with current DPIs...

..The calibration data were then used to develop equations that predict the particle cut size for all components of the impactor at any flow rate from 30 to 100 L/min...

..In summary, use of the HandiHaler can be easily taught with fewer errors compared to the MDI. Furthermore, patient performance using the HandiHaler was superior to that with an MDI despite prior MDI experience and more frequent usage...

..In previously well infants hospitalized with acute viral bronchiolitis, the effectiveness of repeated nebulized therapy with epinephrine (EPI) was compared with treatment with albuterol (ALB) or saline placebo (PLAC)...

..The method was shown to be robust, accurate with recovery of test solutions exceeding 99%, reproducible, and to be suitable for use with a wide range of commercially available nebulizers...

..Consistent with current guidelines, adjustable maintenance dosing with budesonide/formoterol in a single inhaler provides effective asthma control at reduced medication doses...

..The ability to efficiently deliver aerosols should lead to wider clinical application of inhaled therapies in patients receiving mechanical ventilation...

..This is likely clumping of the virus due to gelatin in the formulation. These data indicate that the NGI is capable of particle sizing live biological agents...

..We also apply the equations to a specific mensurated impactor to show that a used impactor with some nozzles outside of the original manufacturing specifications can have the same aerodynamic performance as a new impactor...

..0 microm was calculated for the jet-milled drug. SAA samples also exhibited narrower particle size distribution (PSD). A good control of particle size and distribution together with no drug degradation was obtained by SAA process...

..In mechanically ventilated patients, pMDIs are a cost-effective, convenient, and safe method for delivering bronchodilator aerosols...

..The clinical importance of this finding has not been studied but could result in undertreatment...

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..There was no increase in the incidence of events during 12 weeks' treatment. Delivery of bronchodilators by Respimat SMI is safe with regard to paradoxical bronchoconstriction during chronic use in patients with asthma or COPD...

..Furthermore, a difference in satisfaction scores between treatment groups of 10 points is, conservatively, a difference that is meaningful to patients...

..Patients dispensed an unfamiliar device in which they have received no training, risk poor inhalation technique with the potential for inadequate dosing and loss of disease control...

..The HaloLite device was the first-generation AAD system used in the clinical delivery of inhaled iloprost, and I-neb is the third-generation system...

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..The results highlight a more significant effect of inspiratory flow on variable dosage emission when using the Symbicort Turbuhaler compared with the Seretide Diskus...

..05). Overall, patients preferred Pulmicort Turbuhaler over pMDIs and required less time to be taught how to correctly use Turbuhaler trade mark...

..In children, Respimat SMI obviates the need for a spacer...

..The Diskus was rated higher than the Handihaler for the top three features of an ideal inhaler. Overall the Diskus inhaler was preferred by 67% of patients...

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..Thus, the development of Turbuhaler represents an important step forward in the effective management of asthma...

..At the present time there are few published data that relate APSD to the clinical response of inhaled drugs in an unambiguous way...

..These results again emphasize the importance of patient education in establishing early treatment with inhaled corticosteroids...

..These results indicate that, in healthy volunteers, budesonide lung deposition was higher and more consistent with the Clickhaler than with the Turbuhaler...

..To determine how well self-reported compliance with metered-dose inhalers (MDIs) agrees with compliance determined from pharmacy claims data. Additional analyses were conducted to establish phychmetric properties of the questionnaire...

..The results of the investigation will be used to explain the "loading effect" recently reported...

..In hospitalized bronchodilator-responsive patients with acute exacerbations of obstructive airway disease, the MDI/spacer combination is the preferred approach when the status of the patient allows its use...

..The minimum peak inspiratory flow rates in the three groups were 28.2, 21.6 and 20.4 L/min. The HandiHaler device effectively delivers particles to the lung over a wide range of airflow limitation in patients with COPD...

..Hence, Easyhaler can be used with confidence in patients who may have difficulty in generating a high inspiratory flow rate, such as children and the elderly...

..03 vs. P = 0.025). No adverse effects were associated with nebulized therapy. We conclude that nebulized epinephrine is a more effective agent than salbutamol in the initial treatment of bronchiolitis and is equally safe...

..Current devices have profoundly different lung deposition profiles that could affect clinical efficacy when switching devices. Devices that achieve a high lung to systemic ratio for the inhaled drug are preferable...

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..The efficacy of nebulized MgSO(4) in patients with severe asthma exacerbations remains unknown...

..Formoterol was well tolerated in these patients...

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..CONCLUSION: The data suggested that MDI/AD is an effective alternative to nebulizer for the treatment of children with acute asthma exacerbation in the ER...

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..The development of combinations of delivery devices and drug formulations fulfilling the requirements for an efficient inhalation therapy in young children is likely to increase the therapeutical options in this age group...

..Whatever the chosen inhaler, education from health caregivers has a key-role for improving inhaler technique and compliance. Differences among delivery devices represent another challenge to patient use and caregiver instruction...

..To provide more information on the absorption of fluticasone propionate and budesonide, we have compared the plasma levels of both drugs over 8 hours in healthy and asthmatic subjects...

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..Such is the aim of this presentation which should not be considered as a return to the past, but an advance towards the individualized formulation of patients by benefitting from the former experiences of corporative formations...

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..The flow dependency of TED and FPM was substantially influenced by inhalation profiles when not only profiles of the usual outpatient population were included but also the real outliers from exacerbated patients...

..Formoterol 10 microg BID, delivered via the novel Certihaler device, is well tolerated and provides rapid, long-lasting, and clinically superior bronchodilation to placebo and albuterol via pMDI in patients with persistent asthma...

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..To compare a novel asthma management strategy--budesonide/formoterol in a single inhaler for both maintenance therapy and symptom relief--with a higher dose of budesonide plus as-needed terbutaline...

..0% +/- 3.5% with the present inhaler. The different lung deliveries from the same inhaler for the two formulations above also confirm that the overall performance of an inhaler is optimizable via powder formulations...

..5 and 2 s at 60 l/min is considered favourable, as this yields a high fine particle dose (depending on the type of formulation used) and leaves sufficient inhaled volume for particle transport into the deep lung...

..Finally, it is shown that this inhaler produces a finer aerosol than competitor devices, within the fpf<5 microm, subfractions of particles (e.g. <1, 1-2, 2-3, 3-4 and 4-5 microm) are higher...

..05) than from lactose monohydrate, with a fine particle dose (<6.4 microm) of 41.9 +/- 7.4 microg and 24.9 +/- 3.1 microg for the lactose monohydrate and erythritol carriers, respectively (n = 3)...

..Although age-based device recommendations have been made, the optimal choice for drug delivery is the one that the patient or caregiver prefers to use, can use correctly and is most likely to use consistently...

..The aerosols generated by the STAG can allow investigators to study the scientific principles of inhaled drug deposition and lung physiology for a range of therapeutic agents...

..The classifiers can be designed to retain these crystals with more than 95% efficiency...

..The results of this study showed that Respimat SMI deposited corticosteroid more efficiently in the lungs than either of two widely used inhaler devices, Turbuhaler DPI or Becloforte pMDI...

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..LD was capable of detecting subtle differences between the various formulations and generated FPF results that correlated with those measured by MSLI...

..49-0.90; p = 0.005). Our results suggest that fluticasone/salmeterol combination via Diskus is associated with a reduction in risk of acute exacerbations of asthma in inner-city children, including ED visits and hospitalizations...

..On the other hand, the air-jet nebulizer produced higher total mass and drug outputs and smaller aerosol droplets...

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..CONCLUSIONS: Rapid-onset, long-acting formoterol, administered via the Aerolizer inhaler, is an effective and safe treatment for patients with mild to moderate persistent asthma...

..Nebulized furosemide has been shown to be protective against bronchoconstricting stimuli...

..Better knowledge of practical issues related with nebulization, which is the aim of this paper, could contribute to a more effective use of...

..Although albuterol remains the standard treatment for asthma in the emergency department, formoterol fumarate may be more advantageous, with its rapid and long-lasting bronchodilation...

..CONCLUSION: Both biasten and benacort in combination with salben provide BA control, reduce severity of free radical oxidation disorders...

..Thus, the Tempo inhaler enhances efficient drug delivery to the lungs...

..There was no change in dose content uniformity and aerodynamic particle-size distribution after the devices have been stored unwrapped at 30 degrees C/60% RH up to 24 months. Airmax is robust, portable and intuitive to use...

..It is therefore concluded that ANN models have the potential to provide reliable estimates of pharmacokinetic performance that relate to lung deposition, for nebulized medicines in individual subjects...

..Each of these determinants for powder aerosol delivery is reviewed with a strong focus on the patent literature that contains enormous information about the latest development in this field...

..Such information is required to allow appropriate interpretation of clinical trials of drug delivery using Heliox...

..Successful completion of activities in Phase I would present a significant step towards developing an improved inhalation drug delivery platform for asthma treatment. ..

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..SUPRAER(tm) will decrease the time required for inhalation therapy as well as broaden the range of therapeutic agents that can be successfully administered via the respiratory tract. ..

..S. to improve health outcomes for our nation's children and adolescents. ..

..Such new devices may ultimately be developed into efficient pocket-sized nebulizers for drug delivery by inhalation and should, therefore, have important implications for public health. ..

..The Phase II goal is to demonstrate the potential efficiency of the new drug formulations in vitro and in vivo and to develop aerosol equipment that is suitable for pre-clinical testing, clinical trials, and patient care. ..

..This information will, at the same time, also provide information regarding the pathobiology of COPD exacerbations. ..

..We tentatively call the device AuContrAer. ..

..The successful completion of the proposed research will provide the foundation for further translational research that may lead to new and effective methods for treatment of allergic asthma. ..

..abstract_text> ..

..Sampling devices based on this size-selection definition can be developed in the future for improved assessment of worker exposure. ..

..Study findings will improve clinical care to this vulnerable population of children and will be if significant use to health care providers, researchers, insurers and policy makers. ..

..The findings of this study will be important to clinicians, researchers, and health policy makers. ..

..The new device will not only be beneficial in occupational settings, but may also have future potential in high risk areas such as those following any possible biological attack. ..

..Data will be of significant use to researchers, health care providers, insurers and policy makers. ..

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..The new device will not only be beneficial in occupational settings, but may also have future potential in high risk areas such as those following any possible biological attack. ..

..It can be used to assess personal exposure to nanoparticles in terms of mass concentration and physicochemical characteristics. ..

..If effective, a proposal for using aerosolized PGE1 in neonatal PPHN as a multicenter study will be submitted to the NICHD Neonatal Network. ..

..The significance of this work lies in the novelty of pulmonary vaccination for the treatment of tuberculosis and the knowledge of the immune response gained from targeted antigen delivery to the lungs. ..

..abstract_text> ..

..Several new scales will be tested: one which assesses withdrawal via anchored responding and a set of scales for testing preference with an ultimate aim of developing a tool for easily matching smokers to therapy. ..

..findings which relate to susceptibility to opportunistic infections in HIV-infected cocaine smokers. ..

..These studies will identify the mechanisms by which ozone enhances allergen-induced AHR and provide insight into new therapeutic targets to prevent asthma exacerbations and decrease asthma morbidity and mortality. ..

..abstract_text> ..

..Elucidating these relations will foster the development of new strategies for the prevention and treatment of asthma and, potentially, of airflow limitation in adult life. ..

..Our studies will identify the key mechanisms by which RGS proteins regulate ASM growth and contractility while providing insight into therapeutic targets to abrogate ASM hyperplasia and hyperresponsiveness in asthma. (End of Abstract) ..

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..Elucidating these relations will foster the development of new strategies for the prevention and treatment of asthma and, potentially, of airflow limitation in adult life. ..

..abstract_text> ..

..Thus, understanding the transcriptional mechanisms regulating the expression of inflammatory genes in ASM will likely lead to new therapeutic approaches for the treatment of asthma. ..

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..These studies will define the mechanism by which agonists induce ASM cell growth such that new issues in the pathogenesis of asthma will be addressed and therapeutic measures to prevent these alterations can be developed. ..

..This will allow to better understand the genetic influence that determine asthma risk. ..

..In the evaluation at age 16 years, symptoms, lung function, including methacholine responsiveness, and atopy and lymphocyte phenotype will be assessed. Various methods for longitudinal data analysis will be employed. ..

..abstract_text> ..

..The intent to treat model will be used, as primary outcome can be obtained after consent even if not contact cannot be made at 2 week and 6 month phone calls. ..

..By understanding the mechanisms of ASM cell growth, new issues in the pathogenesis of asthma will be addressed and therapeutic measures to prevent these alterations can be developed. ..

..In addition, they will provide crucial information needed in order to develop novel strategies for the treatment of asthma using antiinflammatory agents...

..The results of this study will provide a link to the mechanisms by which even seemingly modest PM exposure can cause or exacerbate lung disease and will also help to better design spatial targeting of inhaled drugs. ..