Non–Cystic Fibrosis Bronchiectasis

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Bronchiectasis is defined pathologically by the permanent dilation of the bronchi and bronchioles and chronic airway inflammation. This is the outcome of a number of different aetiologies but up to half of bronchiectasis cases are labelled idiopathic. It is characterised by a chronic productive cough, haemoptysis, shortness of breath and recurrent infective exacerbations. Long-term antibiotics are used with the aim of reducing symptom severity and exacerbation frequency, improving quality of life and preventing disease progression...

BACKGROUND: An Expert Forum was held at the 2014 European Respiratory Society International Congress to address issues involved in the management of Pseudomonas aeruginosa infection in patients with non-cystic fibrosis bronchiectasis (NCFB). Multiple studies have found that chronic P. aeruginosa infection is associated with more severe disease and higher morbidity and mortality. OVERVIEW: Participants discussed appropriate management of P. aeruginosa infection at three stages: 1) first isolation, including eradication protocols; 2) during exacerbations; and 3) during chronic infection, including long-term antibiotic therapy to reduce the severity of symptoms and frequency of exacerbations...

Non-cystic fibrosis bronchiectasis (NCFB) is a chronic, progressive, suppurative lung disease characterized by permanent dilatation of bronchial subdivisions, which further causes accumulation of sputum and bacterial infections. The advent of inhaled antibiotics over the past two decades has been expected to effectively attenuate the problem of chronic bacterial infections in CF and NCFB subjects with higher, local drug concentrations and minimal systemic side effects. Areas covered: This review summarizes and evaluates current clinical evidence of efficacy and adverse effects of inhaled antibiotics in NCFB, as well as ongoing preclinical and clinical studies, followed by a discussion of issues and challenges in clinical practice and drug delivery strategies, together with future research directions...

BACKGROUND: Bronchiectasis is a chronic respiratory disease characterised by abnormal dilatation of the bronchi, and presents typically with a chronic productive cough (or chronic wet cough in children) and recurrent infective exacerbations. It significantly impacts daily activities and quality of life, and can lead to recurrent hospitalisations, severe lung function impairment, respiratory failure and even death. OBJECTIVES: To provide an overview of the efficacy and safety of interventions for adults and children with bronchiectasis from Cochrane reviews...

Patients with non-cystic fibrosis bronchiectasis (NCFB) share many of the respiratory symptoms and the disease progression of cystic fibrosis (CF). As there are no approved therapies for the management of NCFB, an approach has been to use therapies similar to those used to treat CF. In many cases, however, this is ineffective or detrimental. The reason for this has not been determined, but it may be due to key differences in pathogenesis. The questions arising from this have spurred dedicated investigation into the effective management of NCFB...

RATIONALE: The vicious cycle hypothesis of bronchiectasis argues that bacterial colonization leads to airway inflammation and progressive lung damage. The logical extension of this hypothesis is that acute or chronic antibiotic therapy should improve airway inflammation and clinical outcome. There are little data to support this hypothesis in patients with non-cystic fibrosis (CF) bronchiectasis. OBJECTIVES: To determine whether acute or chronic antibiotic therapy improves airway inflammation and clinical outcome in non-CF bronchiectasis...

We conducted a meta-analysis of randomised trials to evaluate the efficacy and safety of inhaled antibiotics in patients with stable non-cystic fibrosis (CF) bronchiectasis. We searched the Cochrane Airways Group Register of Trials from inception until March 2014. 12 trials with 1264 adult patients were included, of which five were unpublished studies. Eight trials on 590 patients contributed data to the meta-analysis. Amikacin, aztreonam, ciprofloxacin, gentamicin, colistin or tobramycin were used for 4 weeks to 12 months...

Long-term macrolides are increasingly being prescribed for stable bronchiectasis. This meta-analysis assessed the clinical effect of this treatment in bronchiectasis. A systematic review and meta-analysis were carried out. All randomized, controlled trials (RCT) comparing long-term macrolides with placebo and/or usual medical care, with outcome measures relating to efficacy and safety were selected. Nine RCT recruiting 530 patients were included. Compared with placebo and/or usual medical care, long-term macrolides significantly reduced the risk of the exacerbations (number of participants with exacerbations (relative risk = 0...

BACKGROUND: Infection, resulting in chronic airway inflammation, forms the basis of bronchiectasis pathogenesis. Macrolides possess antibacterial, anti-inflammatory and immunomodulatory properties, and are used to treat patients with non-cystic fibrosis bronchiectasis (NCFB). However, the efficacy and safety of long-term treatment with macrolides in patients with bronchiectasis have been controversial. We performed a meta-analysis to assess the efficacy and safety of macrolides in adults with NCFB...

There is renewed interest in non-cystic fibrosis bronchiectasis, which is a cause of significant morbidity in adults and can be diagnosed by high-resolution chest computed tomography scan. No longer mainly a complication after pulmonary infection with Mycobacterium tuberculosis, diverse disease processes and mechanisms have been demonstrated to result in the chronic cough, purulent sputum production, and airway dilation that characterize this disease. Improved understanding of the role of mucus stasis in causing bacterial colonization has led to increased emphasis on the use of therapies that enhance airway clearance...