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• W2776817268 abstract "Background: Idiopathic pulmonary fibrosis (IPF) is defined as a specific form of chronic, progressive fibrosing interstitial pneumonia of unknown cause.Recently, there is increasing evidence supporting a relationship between gastroesophageal reflux, microaspiration, and IPF, since the diagnostic gold-standard for microaspiration remains unknown. So, the aim of this study is to assess the presence of chronic microaspirates by bronchoalveolar lavage pepsin level in these patients. Patients and method: A case -control study was conducted at Chest Department and outpatient clinics Faculty of Medicine, Zagazig University hospitals in the period from (February 2013 till January 2016) on thirty patients with stable interstitial lung diseases (ILD).they were divided into two groups: 15 patients (group I) with stable idiopathic pulmonary fibrosis (IPF), another 15 patients (group II) stable ILD other than IPF. Both groups underwent pulmonary function tests (PFTs), Pulmonary HRCT and Bronchoscopy. Measurement of bronchoalveolar lavage pepsin level was done for all patients. Results: 80% of IPF patients complained from gastroesophageal reflux with a statistically significant decrease in PaO2, FEV1 and FVC than in non IPF patients.Bronchoalveolar lavage pepsin level was (43.711.4ng/ml) in IPF group, which was significantly higher than non IPF group (32.710.5 ng/ml).Also total cell count in IPF patients were increased significantly including neutrophils, alveolar macrophages and red blood. Increased reticulation on HRCT for IPF patients group were associated with higher BAL pepsin levels (p <0.01). Regression coefficient revealed the most powerful predictor of IPF severity were; HRCT findings: reticulation score,honeycombing score[(Odds ratio(95%CI)=5.3 (1.9 to14.9), 7.8 (2.7 to 22.3)respectively],pepsin level[(Odds ratio(95%CI)=4.6 (1.9–11.4)],FEV1 and FVC[(Odds ratio(95%CI)=3.7 (1.6 to 8.9), 3.2 (1.4 to 7.5)respectively].while gastroesophageal reflux symptom [(Odds ratio(95%CI)=1.04(0.94-1.14)] was the least powerful predictor. Conclusion: Gastroesophageal reflux or microaspiration is common in patients with IPF, associated with elevated levels of pepsin in BAL fluid. KEYWORDS: Idiopathic pulmonary fibrosis; bronchoalveolar lavage pepsin level; gastroesophageal reflux." @default.
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• W2776817268 date "2017-05-01" @default.
• W2776817268 modified "2023-09-23" @default.
• W2776817268 title "ASSESSMENT OF BRONCHOALVEOLAR LAVAGE PEPSIN LEVEL IN IDIOPATHIC PULMONARY FIBROSIS" @default.
• W2776817268 doi "https://doi.org/10.21608/zumj.2017.4691" @default.
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