Risk factors for neo ‐osteogenesis in cystic fibrosis and non‒cystic fibrosis chronic rhinosinusitis

ConclusionTo our knowledge, this is the first study to assess risk factors associated with neo ‐osteogenesis and patients with CF CRS. Interestingly, male gender was the only significant predictor of neo‐osteogenesis.
Source: International Forum of Allergy and Rhinology - Category: Allergy & Immunology Authors: Tags: ORIGINAL ARTICLE Source Type: research

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CONCLUSION: Our results did not show that S. aureus found in nasal mucosa membrane is significantly different in patients with or without NP. However, association of the presence of S. aureus in patients with nasal polyposis with asthma, allergy and inflammation has been shown. PMID: 31785225 [PubMed - as supplied by publisher]
Source: Neuroendocrinology Letters - Category: Endocrinology Tags: Neuro Endocrinol Lett Source Type: research
We present a 23-year-old male with a history of cystic fibrosis (CF) with associated renal disease, bronchiectasis, pneumothorax, and distal intestinal obstruction syndrome admitted for CF exacerbation. Sputum culture was positive for methicillin resistant Staphylococcus aureus (MRSA). Chest imaging revealed extensive opacities in the left lung. His FEV1 during admission was 52% (baseline 70%). Allergy was consulted as inhaled vancomycin therapy was preferred, but the patient had previous vancomycin-induced reactions.
Source: Annals of Allergy, Asthma and Immunology - Category: Allergy & Immunology Authors: Source Type: research
In this study we found blocking autophagy led to increased CP growth in both macrophages and mouse embryonic fibroblasts. In vivo, loss of the autophagy elongation component ATG16L1 specifically in myeloid cells led to increased mortality in response to CP infection, characterized by greater numbers of neutrophils and dendritic cells, but no change in the CP burden in the lungs. This was accompanied by an increase in inflammasome-active macrophages and IL-1β production. While induction of autophagy in macrophages led to reduced CP growth in vitro, in vivo treatment with rapamycin led to increased mortality of infected...
Source: Frontiers in Immunology - Category: Allergy & Immunology Source Type: research
The most common pathogen in pediatric cystic fibrosis (CF) patients is Staphylococcus aureus, and drug-resistant species are associated with negative outcomes. Methicillin-resistant Staphylococcus aureus (MRSA) is notoriously hard to treat because many antibiotics are not FDA approved for children and drug allergies or intolerances can prohibit the use of others. Telavancin is currently indicated for hospital-acquired pneumonia and ventilator-associated pneumonia caused by MRSA, but it has not been studied in patients with CF or in pediatrics.
Source: Journal of Cystic Fibrosis - Category: Respiratory Medicine Authors: Tags: Case Report Source Type: research
Conclusion Distinct histopathologic changes were noted based on sinus culture data for S. aureus and P. aeruginosa. These findings may have important implications on the extent of surgical management and prognosis after surgery. PMID: 29644905 [PubMed - in process]
Source: American Journal of Rhinology and Allergy - Category: ENT & OMF Authors: Tags: Am J Rhinol Allergy Source Type: research
We previously demonstrated associations between antibiotic allergy and prevalence of microbes such as methicillin resistant staphylococcus aureus and vancomycin resistant enterococcus in the general population. We hypothesized that the high prevalence of antibiotic allergy in Cystic Fibrosis (CF) could affect their sputum microbiome.
Source: Journal of Allergy and Clinical Immunology - Category: Allergy & Immunology Authors: Source Type: research
ConclusionThere was a high correlation between pretransplant sinus cultures and posttransplant BAL cultures for PsA, MRSA, and Burkholderia sp. This suggests that the paranasal sinuses may act as a reservoir for allograft colonization in patients with cystic fibrosis. Further studies are needed to determine whether treatment of sinusitis affects allograft colonization and transplant outcomes.
Source: International Forum of Allergy and Rhinology - Category: Allergy & Immunology Authors: Tags: ORIGINAL ARTICLE Source Type: research
CONCLUSION: VD3 deficiency seemed to be associated with the presence of nasal polyps in the patients with CRS and in the patients with CF in a similar manner. The lower the level of serum VD3, the more severe the mucosal disease was found in the imaging studies and the more frequent microbial colonization of the patients with CF and the patients with CRS. PMID: 29122084 [PubMed - in process]
Source: American Journal of Rhinology and Allergy - Category: ENT & OMF Authors: Tags: Am J Rhinol Allergy Source Type: research
CONCLUSION: S. aureus, P. aeruginosa, coagulase negative staphylococci, and H. influenzae dominated in the upper airways of patients with CF. In patients with PCD, H. influenzae, S. pneumoniae, and P. aeruginosa dominated. When studies that included swab and blowing samples were excluded, P. aeruginosa was the most common bacterium in both groups. Direct comparisons among the studies were restricted due to very heterogeneous methods, and a better standardization of procedures and outcomes is needed. PMID: 28859703 [PubMed - in process]
Source: American Journal of Rhinology and Allergy - Category: ENT & OMF Authors: Tags: Am J Rhinol Allergy Source Type: research
Conclusion: We propose that when CFA arrives at the airway, it rapidly adsorbs AMPs and creates negative complexes, thereby decreasing the functional amount of AMPs capable of killing pathogens. These results provide a novel translational insight into an early mechanism for how ambient PM increases the susceptibility of the airways to bacterial infection. https://doi.org/10.1289/EHP876 Received: 27 July 2016 Revised: 30 December 2016 Accepted: 19 January 2017 Published: 05 July 2017 Address correspondence to A. P. Comellas, 6312 Pappajohn Biomedical Discovery Building. Newton Road, Iowa City, Iowa, USA, 52242; Teleph...
Source: EHP Research - Category: Environmental Health Authors: Tags: Research Source Type: research
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