User profiles for Omar Usmani

omar usmani

Reader in Respiratory Medicine and Consultant Physician
Verified email at imperial.ac.uk
Cited by 9478

Exploring the relevance and extent of small airways dysfunction in asthma (ATLANTIS): baseline data from a prospective cohort study

…, VP Moral, R Djukanovic, O Usmani… - The Lancet …, 2019 - thelancet.com
Background Small airways dysfunction (SAD) is well recognised in asthma, yet its role in the
severity and control of asthma is unclear. This study aimed to assess which combination of …

Choosing the right inhaler for your asthma or COPD patient

OS Usmani - Therapeutics and clinical risk management, 2019 - Taylor & Francis
Appropriate selection and correct use of inhalation devices is an integral component in the
management of asthma and chronic obstructive pulmonary disease (COPD). It is well known …

Techniques of assessing small airways dysfunction

W McNulty, OS Usmani - European clinical respiratory journal, 2014 - Taylor & Francis
The small airways are defined as those less than 2 mm in diameter. They are a major site of
pathology in many lung diseases, not least chronic obstructive pulmonary disease (COPD) …

Chronic idiopathic cough: a discrete clinical entity?

RA Haque, OS Usmani, PJ Barnes - Chest, 2005 - Elsevier
Study objectives Despite the success of specialist cough clinics, there is increasing recognition
of a subgroup of chronic coughers in whom a diagnosis cannot be made even after …

[HTML][HTML] Critical inhaler errors in asthma and COPD: a systematic review of impact on health outcomes

OS Usmani, F Lavorini, J Marshall, WCN Dunlop… - Respiratory …, 2018 - Springer
Background Inhaled drug delivery is the cornerstone treatment for asthma and chronic
obstructive pulmonary disease (COPD). However, use of inhaler devices can be challenging, …

Regional Lung Deposition and Bronchodilator Response as a Function of β2-Agonist Particle Size

OS Usmani, MF Biddiscombe… - American journal of …, 2005 - atsjournals.org
Rationale: Aerosol particle size influences the extent, distribution, and site of inhaled drug
deposition within the airways. Objectives: We hypothesized that targeting albuterol to regional …

New inhaler devices-the good, the bad and the ugly

F Lavorini, GA Fontana, OS Usmani - Respiration, 2014 - karger.com
Drug delivery to the lungs is an effective way of targeting inhaled therapeutic aerosols and
treating obstructive airway diseases, such as asthma and chronic obstructive pulmonary …

European Respiratory Society guidelines for the diagnosis of asthma in adults

…, D Schuermans, JB Soriano, OS Usmani - European …, 2022 - Eur Respiratory Soc
Although asthma is very common, affecting 5–10% of the population, the diagnosis of
asthma in adults remains a challenge in the real world, which results in both over- and under-…

[HTML][HTML] The importance of inhaler devices in the treatment of COPD

M Bonini, OS Usmani - COPD Research and Practice, 2015 - Springer
Chronic obstructive pulmonary disease (COPD) represents a socio-economic burden and
requires regular and ongoing treatment. Inhalation therapy is recommended at all stages of …

[HTML][HTML] Recent advances in capsule-based dry powder inhaler technology

F Lavorini, M Pistolesi, OS Usmani - Multidisciplinary respiratory medicine, 2017 - Springer
Pulmonary drug delivery is currently the focus of accelerated research and development
because of the potential to produce maximum therapeutic benefit to patients by directly …