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Non-cf bronchiectasis

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https://www.readbyqxmd.com/read/27902425/virulence-adaptations-of-pseudomonas-aeruginosa-isolated-from-patients-with-non-cystic-fibrosis-bronchiectasis
#1
Taylor Evart Woo, Jessica Duong, Nicole M Jervis, Harvey R Rabin, Michael D Parkins, Douglas Gordon Storey
Pseudomonas aeruginosa is a major pathogen in chronic lung diseases such as cystic fibrosis (CF) and non-cystic fibrosis bronchiectasis (nCFB). Much of our understanding regarding infections in nCFB patients is extrapolated from findings in CF with little direct investigation on the adaptation of P. aeruginosa in nCFB patients. As such, we investigated whether the adaptation of P. aeruginosa was indeed similar between nCFB and CF. From our prospectively collected biobank we identified 40 nCFB patients who had repeated P...
November 8, 2016: Microbiology
https://www.readbyqxmd.com/read/27804985/a-murine-model-of-early-pseudomonas-aeruginosa-lung-disease-with-transition-to-chronic-infection
#2
H K Bayes, N Ritchie, S Irvine, T J Evans
Pseudomonas aeruginosa (PA) remains an important pathogen in patients with cystic fibrosis (CF) lung disease as well as non-CF bronchiectasis and chronic obstructive airways disease. Initial infections are cleared but chronic infection with mucoid strains ensues in the majority of CF patients and specific interventions to prevent this critical infection transition are lacking. The PA bead model has been widely used to study pulmonary P.aeruginosa infection but has limitations in animal husbandry and in accurately mimicking human disease...
November 2, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27759640/combined-inhaled-corticosteroid-and-long-acting-%C3%AE-2-adrenergic-agonist-therapy-for-noncystic-fibrosis-bronchiectasis-with-airflow-limitation-an-observational-study
#3
Ping Wei, Jia-Wei Yang, Hai-Wen Lu, Bei Mao, Wen-Lan Yang, Jin-Fu Xu
BACKGROUND AND OBJECTIVE: There is presently no clear evidence on the effect of combined treatment for non-cystic fibrosis (non-CF) bronchiectasis with inhaled corticosteroid (ICS) and long-acting β2-adrenergic agonist (LABA). The objective of this study is to assess the efficacy and safety of salmeterol-fluticasone combined inhaled therapy for non-CF bronchiectasis with airflow limitation. METHODS: An observational study was performed in 120 non-CF bronchiectasis patients diagnosed by high-resolution computed tomography (HRCT) scanning of the chest...
October 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27717759/noncystic-fibrosis-bronchiectasis-regional-abnormalities-and-response-to-airway-clearance-therapy-using-pulmonary-functional-magnetic-resonance-imaging
#4
Sarah Svenningsen, Fumin Guo, David G McCormack, Grace Parraga
RATIONALE AND OBJECTIVES: Evidence-based treatment and management for patients with bronchiectasis remain challenging. There is a need for regional disease measurements as focal distribution of disease is common. Our objective was to evaluate the ability of magnetic resonance imaging (MRI) to detect regional ventilation impairment and response to airway clearance therapy (ACT) in patients with noncystic fibrosis (CF) bronchiectasis, providing a new way to objectively and regionally evaluate response to therapy...
October 4, 2016: Academic Radiology
https://www.readbyqxmd.com/read/27551814/ultrashort-echo-time-magnetic-resonance-imaging-is-a-sensitive-method-for-the-evaluation-of-early-cystic-fibrosis-lung-disease
#5
David J Roach, Yannick Crémillieux, Robert J Fleck, Alan S Brody, Suraj D Serai, Rhonda D Szczesniak, Stephanie Kerlakian, John P Clancy, Jason C Woods
RATIONALE: Recent advancements in magnetic resonance imaging (MRI) have been made that improve our ability to assess pulmonary structure and function in cystic fibrosis (CF) patients. A non-ionizing imaging modality that can be used as a serial monitoring tool throughout life can positively impact patient care and outcomes. OBJECTIVES: The purpose of this study was to compare a new ultrashort echo-time (UTE) MRI method with computed tomography (CT) as a biomarker of lung structure abnormalities in young children with early CF lung disease...
August 23, 2016: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/27549788/prevalence-and-factors-associated-with-nontuberculous-mycobacteria-in-non-cystic-fibrosis-bronchiectasis-a-multicenter-observational-study
#6
L Máiz, R Girón, C Olveira, M Vendrell, R Nieto, M A Martínez-García
BACKGROUND: Data on the prevalence of and factors associated with nontuberculous mycobacteria (NTM) in patients with non-cystic fibrosis (CF) bronchiectasis are limited. Our aim was to determine the prevalence and factors associated with isolation of NTM in this population. METHODS: We performed a multicenter observational study of historical cohorts comprising consecutive patients with non-CF bronchiectasis and at least 2 sputum samples cultured for mycobacteria over a period of 5 years...
2016: BMC Infectious Diseases
https://www.readbyqxmd.com/read/27507832/antibiotic-therapy-for-stable-non-cf-bronchiectasis-in-adults-a-systematic-review
#7
Katrine Fjaellegaard, Melda Dönmez Sin, Andrea Browatzki, Charlotte Suppli Ulrik
To provide an update on efficacy and safety of antibiotic treatments for stable non-cystic fibrosis (CF) bronchiectasis (BE). Systematic review based on the Preferred Reporting Items for Systematic reviews and Meta-Analyses guidelines was done. Twenty-six studies (1.898 patients) fulfilled the inclusion criteria. Studies of inhaled tobramycin have revealed conflicting results regarding quality of life (QoL), exacerbations and admissions, but may result in sputum cultures negative for Pseudomonas aeruginosa, whereas studies investigating the effect of inhaled gentamycin have shown positive effects on sputum bacterial density, decrease in sputum cultures positive for P...
August 9, 2016: Chronic Respiratory Disease
https://www.readbyqxmd.com/read/27503233/fut2-genotype-influences-lung-function-exacerbation-frequency-and-airway-microbiota-in-non-cf-bronchiectasis
#8
Steven L Taylor, Richard J Woodman, Alice Ch Chen, Lucy D Burr, David L Gordon, Michael A McGuckin, Steve Wesselingh, Geraint B Rogers
OBJECTIVE: To assess whether FUT2 (secretor) genotype affects disease severity and airway infection in patients with non-cystic fibrosis bronchiectasis. PARTICIPANTS: Induced sputum samples were obtained from 112 adult patients with high-resolution CT scan-proven bronchiectasis and at least two exacerbations in the previous year, as part of an unrelated randomised control trial. OUTCOME MEASURES: Presence of null FUT2 polymorphisms were determined by gene sequencing and verified by endobronchial biopsy histochemical staining...
August 8, 2016: Thorax
https://www.readbyqxmd.com/read/27464029/macrolide-treatment-inhibits-pseudomonas-aeruginosa-quorum-sensing-in-non-cystic-fibrosis-bronchiectasis-an-analysis-from-the-bronchiectasis-and-low-dose-erythromycin-study-trial
#9
Lucy D Burr, Geraint B Rogers, Alice C-H Chen, Brett R Hamilton, Gertruida F Pool, Steven L Taylor, Deon Venter, Simon D Bowler, Sally Biga, Michael A McGuckin
RATIONALE: The mechanism by which low-dose macrolide therapy reduces exacerbations in non-cystic fibrosis bronchiectasis is not known. Pseudomonas aeruginosa quorum sensing controls the expression of a range of pathogenicity traits and is inhibited by macrolide in vitro. Quorum sensing inhibition renders P. aeruginosa less pathogenic, potentially reducing its contribution to airway damage. OBJECTIVES: The aim of this study was to determine whether long-term low-dose erythromycin inhibits P...
October 2016: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/27296814/non-cf-bronchiectasis-aetiologic-approach-clinical-radiological-microbiological-and-functional-profile-in-277-patients
#10
Katerina Dimakou, Christina Triantafillidou, Michail Toumbis, Kyriaki Tsikritsaki, Katerina Malagari, Petros Bakakos
BACKGROUND AND OBJECTIVES: Non-Cystic Fibrosis (CF) bronchiectasis is common in Greece but little attention has been paid to the investigation of its aetiology, clinical, radiological, microbiological and lung function profile. METHODS: We prospectively evaluated patients with non-CF bronchiectasis confirmed by high resolution computed tomography (HRCT) of the chest. Aetiology, clinical data, radiology score, microbiological profile and lung function were investigated...
July 2016: Respiratory Medicine
https://www.readbyqxmd.com/read/27222784/immunomodulatory-effect-of-macrolides-at-what-cost
#11
Maria Kipourou, Katerina Manika, Apostolos Papavasileiou, Georgia Pitsiou, Martha Lada, Evangelos Ntinapogias, Ioannis Kioumis
We present the case of a 60-year old female patient, with a 10 year history of non-CF bronchiectasis and use of macrolides as maintenance immunomodulatory treatment, who was diagnosed with macrolide-resistant Mycobacterium avium complex lung disease. Macrolides' immunomodulatory effect is appealing for non- CF bronchiectasis patients, hiding a high risk for resistance emergence.
2016: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/27176062/-new-and-current-concepts-of-therapy-in-non-cf-bronchiectasis
#12
Markus Allewelt, Andrés de Roux
Non-CF (NCF)-bronchiectasis is a syndrome of chronic inflammation leading to dilatation of airways and structural lung damage. Improvements of diagnostic procedures increase its perceived frequency. In Germany, recent data suggest a prevalence of 67/100 000.The outcome of therapeutic interventions is critically related to thorough diagnostic procedures. Genetical or immunological disorders (cystic fibrosis, alpha-1-AT deficiency, immune deficiency syndromes) require treatment options different from idiopathic NCF-bronchiectasis...
May 2016: Deutsche Medizinische Wochenschrift
https://www.readbyqxmd.com/read/27145047/allergic-bronchopulmonary-aspergillosis-is-associated-with-pet-ownership-in-cystic-fibrosis
#13
Anja Thronicke, Nikola Heger, Elisabeth Antweiler, Alexander Krannich, Jobst Roehmel, Claudia Brandt, Doris Staab, Kathrin Tintelnot, Carsten Schwarz
BACKGROUND: Late diagnosis of allergic bronchopulmonary aspergillosis (ABPA) is associated with significant lung function decline and morbidity in cystic fibrosis (CF). The association of ABPA and domestic pet ownership in patients with CF has not been elucidated yet. Our objective was to determine the association of ABPA with pet ownership in patients with CF. METHODS: Clinical and microbiological data from certified local patient registry were analyzed for 109 patients with CF aged 1-64 years: 55 pet owner and 54 non-pet owners...
September 2016: Pediatric Allergy and Immunology
https://www.readbyqxmd.com/read/27105680/human-epididymis-protein-4-a-novel-serum-inflammatory-biomarker-in-cystic%C3%A2-fibrosis
#14
Béla Nagy, Béla Nagy, Libor Fila, Luka A Clarke, Ferenc Gönczy, Olga Bede, Dóra Nagy, Rita Újhelyi, Ágnes Szabó, Andrea Anghelyi, Miklós Major, Zsolt Bene, Zsolt Fejes, Péter Antal-Szalmás, Harjit Pal Bhattoa, György Balla, János Kappelmayer, Margarida D Amaral, Milan Macek, István Balogh
BACKGROUND: Increased expression of the human epididymis protein 4 (HE4) was previously described in lung biopsy samples from patients with cystic fibrosis (CF). It remains unknown, however, whether serum HE4 concentrations are elevated in CF. METHODS: Seventy-seven children with CF from six Hungarian CF centers and 57 adult patients with CF from a Czech center were enrolled. In addition, 94 individuals with non-CF lung diseases and 117 normal control subjects with no pulmonary disorders were analyzed...
September 2016: Chest
https://www.readbyqxmd.com/read/26997422/factors-associated-with-radiologic-progression-of-non-cystic-fibrosis-bronchiectasis-during-long-term-follow-up
#15
Jisoo Park, Sejoong Kim, Yeon Joo Lee, Jong Sun Park, Young-Jae Cho, Ho Il Yoon, Kyoung-Won Lee, Choon-Taek Lee, Jae Ho Lee
BACKGROUND AND OBJECTIVE: Non-cystic fibrosis (CF) bronchiectasis is a chronic airway inflammatory disease, exhibiting a diverse array of clinical courses. The purpose of this study was to determine the factors that predict radiologic progression of non-CF bronchiectasis during a long-term follow-up. METHODS: We reviewed the electronic medical records that included pulmonary function test data from non-CF bronchiectasis patients, who were older than 18 years of age with a follow-up of computerized tomography for more than 5 years...
August 2016: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/26933299/long-term-outcomes-of-the-bronchial-artery-embolization-are-diagnosis-dependent
#16
Vikas Pathak, Joseph M Stavas, Hubert J Ford, Charles A Austin, Robert M Aris
BACKGROUND: Bronchial artery embolization (BAE) is an established, safe, and effective procedure for the treatment of hemoptysis but long-term outcomes of the BAE have never been investigated before. OBJECTIVES: To retrospectively analyze long-term outcomes of the BAE. MATERIALS AND METHODS: A retrospective chart analysis was done from the hospital central database for all patients undergoing the BAE over a consecutive 14-year period (January 2000-February 2014)...
January 2016: Lung India: Official Organ of Indian Chest Society
https://www.readbyqxmd.com/read/26901001/imaging-of-cystic-fibrosis-and-pediatric-bronchiectasis
#17
REVIEW
Kevin P Murphy, Michael M Maher, Owen J O'Connor
1. CT is superior to pulmonary function tests and chest radiography for the assessment and monitoring of cystic fibrosis (CF)-related lung disease and, also, of pediatric bronchiectasis not caused by CF (hereafter referred to as non-CF bronchiectasis). 2. Low-dose CT protocols that impart radiation doses similar to those used in chest radiography are feasible for the surveillance of patients with bronchiectasis. 3. Chest radiography is still most commonly used as the first-line imaging examination of choice for the assessment of acute complications related to bronchiectasis...
March 2016: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/26894943/the-clinical-management-of-lower-respiratory-tract-infections
#18
Adamantia Liapikou, Antoni Torres
The 2010 Global Burden of Disease Study reported that lower respiratory tract infections, including pneumonia, are the fourth most common cause of death globally. The etiology of acute bronchitis and asthma exacerbations is mostly viral and the therapy is symptomatic. Management decisions in community acquired pneumonia regarding site of care, extent of assessment, and level of treatment are based primarily on disease severity (outpatient, inpatient, ICU admission). Antibiotics are the main choice of treatment for patients with pneumonia, acute exacerbations (AE) of COPD (including increased sputum purulence and worsening shortness of breath) and AE of non-CF bronchiectasis...
March 16, 2016: Expert Review of Respiratory Medicine
https://www.readbyqxmd.com/read/26861259/children-with-recurrent-pneumonia-and-non-cystic-fibrosis-bronchiectasis
#19
Maria Francesca Patria, Benedetta Longhi, Mara Lelii, Claudia Tagliabue, Marinella Lavelli, Carlotta Galeone, Nicola Principi, Susanna Esposito
BACKGROUND: Recurrent pneumonia (RP) is one of the most frequent causes of pediatric non-cystic fibrosis (CF) bronchiectasis (BE) and a consequent accelerated decline in lung function. The aim of this study was to analyse the clinical records of children with RP in attempt to identify factors that may lead to an early suspicion of non-CF BE. METHODS: We recorded the demographic and clinical data, and lung function test results of children without CF attending our outpatient RP clinic between January 2009 to December 2013 who had undergone chest high-resolution computed tomography ≥ 8 weeks after an acute pneumonia episode and ≤ 6 months before enrolment...
February 9, 2016: Italian Journal of Pediatrics
https://www.readbyqxmd.com/read/26857775/using-cystic-fibrosis-therapies-for-non-cystic-fibrosis-bronchiectasis
#20
REVIEW
Wael ElMaraachli, Douglas J Conrad, Angela C C Wang
Non-cystic fibrosis bronchiectasis (NCFB) is an increasingly prevalent disease that places a significant burden on patients and health systems globally. Although many of the therapies used to treat NCFB were originally developed as cystic fibrosis (CF) therapies, not all of them have been demonstrated to be efficacious in NCFB and some may even be harmful. This article explores the evidence for which therapeutic strategies used to treat CF have been translated into the care of NCFB. The conclusion is that therapies for adult NCFB cannot be simply extrapolated from CF clinical trials, and in some instances, doing so may actually result in harm...
March 2016: Clinics in Chest Medicine
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