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    In: BMC Pulmonary Medicine, Springer Science and Business Media LLC, Vol. 23, No. 1 ( 2023-07-10)
    Abstract: Bronchiectasis is a widely prevalent airway disease characterized by airway dilatation and recurrent infections, that can lead to respiratory failure in severe cases. The etiology of bronchiectasis varies geographically, but there is a lack of published data examining its etiology specifically within the Middle Eastern population. Methods We conducted a retrospective analysis of our bronchiectasis patient registry, extracting clinical and demographic characteristics from electronic medical records. Quantitative variables were presented as the median and interquartile range (IQR), while categorical variables were expressed as numbers and percentages. Statistical comparisons for continuous characteristics were performed using the t-test, and significance was determined by a p-value less than 0.05. Results In total we analysed 260 records (63% female, 37% male), with median age of 58 years (interquartile range (IQR) 38–71), Body Mass Index (BMI) 25.8(IQR 22–30), forced expiratory volume in the first second (FEV1) %predicted 65 (IQR 43–79) and FEV1/forced vital capacity (FVC) 0.76 (0.67–0.86). Sixty-five cases (25%) were post-infectious in aetiology (excluding post-TB – n:27 10.4%). Forty-eight (18.5%) patients were labelled idiopathic, while Primary Ciliary Dyskinesia (PCD) accounted for 23 (8.8%) cases. Pseudomonas aeruginosa was the most common colonizing organism (32.7%), followed by Haemophilus influenzae (9.2%) and Methicillin-Sensitive Staphylococcus aureus(6.9%). At the time of review, 11 patients had died (median age, FEV %predicted, and bronchiectasis severity index (BSI) 59 years, 38% and 15.5 respectively), all due to respiratory failure, and as expected, all were classed severe on BSI. The BSI score was available for 109 patients, of which 31(28%) were classed mild, 29(27%) were moderate, and 49 (45%) were classed severe. The median BSI score was 8 (IQR 4–11). On dividing the patients according to obstructive vs. restrictive spirometry, we found that patients with FEV1/FVC  〈  0.70 had significantly higher BSI (10.1 vs. 6.9, p-value  〈  0.001) and that 8 out of the 11 deceased patients had FEV1/FVC  〈  70%. Conclusions In our study, post-infectious, idiopathic, and PCD were identified as the most common etiologies of bronchiectasis. Additionally, patients with obstructive spirometry appeared to have a worse prognosis compared to those with restrictive spirometry.
    Type of Medium: Online Resource
    ISSN: 1471-2466
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2023
    detail.hit.zdb_id: 2059871-3
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