Abstract：
BACKGROUND:The purpose of our study was to assess the frequency of occult foreign body aspiration (FBA) and to evaluate the diagnostic difficulties and therapeutic methods for these patients. METHODS:Between May 2000 and May 2020, 3557 patients with the diagnosis of FBA were treated in our department. Thirty-five patients with occult FBA were included in this study. A retrospective analysis of medical records was performed. RESULTS:Twenty-three male patients (65.7%) and 12 female patients (34.3%) were hospitalized due to occult FBA. The average age was 3.60 years (range 9 months-12 years). Most of the patients were younger than 3 years old (n = 25, 71.4%). Coughing (n = 35, 100%) and wheezing (n = 18, 51.4%) were the main symptoms and signs. All the patients were found to have a FBA under the fiberoptic bronchoscope. The most common organic foreign bodies were peanuts (n = 10) and the most common inorganic foreign bodies were pen caps (n = 5). The extraction of foreign bodies under rigid bronchoscopy was applied successfully in 34 patients. Only one patient needed a surgical intervention. CONCLUSIONS:Occult FBA should always be considered in the differential diagnosis of chronic or recurrent respiratory diseases that are poorly explained, even in the absence of a previous history of aspiration.
journal_name
BMC Pulm Medjournal_title
BMC pulmonary medicineauthors
Liu B,Ding F,An Y,Li Y,Pan Z,Wang G,Dai J,Li H,Wu Cdoi
10.1186/s12890-020-01356-8subject
Has Abstractpub_date
2020-12-09 00:00:00pages
320issue
1issn
1471-2466pii
10.1186/s12890-020-01356-8journal_volume
20pub_type
杂志文章abstract：BACKGROUND:Anemia is prevalent not only in COPD but also in pulmonary hypertension. We postulated that anemia may have certain prognostic value in COPD concomitant with PH due to COPD (COPD-PH). METHODS:We performed a 12-month prospective investigation to follow up COPD patients with or without PH assessed by right he...
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