title: Risk of infections in bronchiectasis during disease-modifying treatment and biologics for rheumatic diseases.
abstract: BACKGROUND
  Bronchiectasis is frequently associated (up to 30%) with chronic inflammatory rheumatic diseases and leads to lower respiratory tract infections. Data are lacking on the risk of lower respiratory tract infections in patients treated with biologic agents.
  
  
  METHODS
  Monocenter, retrospective systematic study of all patients with a chronic inflammatory rheumatic disease and concomitant bronchiectasis, seen between 2000 and 2009. Univariate and multivariate analyses were performed to evidence predictive factors of the number of infectious respiratory events.
  
  
  RESULTS
  47 patients were included (mean age 64.1±9.1 years, 33 (70.2%) women), with a mean follow-up per patient of 4.3±3.1 years. Rheumatoid arthritis was the main rheumatic disease (90.1%). The mean number of infectious events was 0.8±1.0 event per patient-year. The factors predicting infections were the type of treatment (biologic vs. non biologic disease-modifying treatments), with an odds ratio of 8.7 (95% confidence interval: 1.7-43.4) and sputum colonization by any bacteria (odds ratio 7.4, 2.0-26.8). In multivariate analysis, both factors were independently predictive of infections.
  
  
  CONCLUSIONS
  Lower respiratory tract infectious events are frequent among patients receiving biologics for chronic inflammatory rheumatic disease associated with bronchiectasis. Biologic treatment and pre-existing sputum colonization are independent risk factors of infection occurrence.
authors: Paris Descartes University, Medicine Faculty, Assistance Publique Hôpitaux de Paris, Rheumatology B Department, Cochin Hospital, Paris France. ggeri92@gmail.com
authors: Guillaume
authors: G
authors: Geri
authors: Sabrina
authors: S
authors: Dadoun
authors: Tach
authors: T
authors: Bui
authors: Nuria
authors: N
authors: Del Castillo Pinol
authors: Simon
authors: S
authors: Paternotte
authors: Maxime
authors: M
authors: Dougados
authors: Laure
authors: L
authors: Gossec
mesh_terms: D000328:Adult; D000368:Aged; D018501:Antirheumatic Agents / Q000008:administration & dosage* / Q000009:adverse effects; D001424:Bacterial Infections / Q000453:epidemiology* / Q000382:microbiology; D001688:Biological Products / Q000008:administration & dosage* / Q000009:adverse effects; D001987:Bronchiectasis / Q000150:complications*; D001991:Bronchitis / Q000453:epidemiology* / Q000382:microbiology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012189:Retrospective Studies; D012216:Rheumatic Diseases / Q000150:complications* / Q000188:drug therapy*; D018570:Risk Assessment
chemical_list: D018501:Antirheumatic Agents; D001688:Biological Products