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EVALUATION OF LUNG AUSCULTATION IN ACUTE VIRAL BRONCHIOLITIS
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  • Derrick Fassbind,
  • Dâmaris Dorsdt,
  • Brenda Biegelmeyer,
  • Camila de Souza,
  • Debora Decol,
  • Magda Lunelli,
  • Luis Ribeiro,
  • Flávia Rodrigues,
  • Mohamed-Rida Benissa,
  • Sérgio Amantéa
Derrick Fassbind
Santo Antônio Children Hospital
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Dâmaris Dorsdt
Federal University of Health Sciences of Porto Alegre Faculty of Medicine
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Brenda Biegelmeyer
Federal University of Health Sciences of Porto Alegre Faculty of Medicine
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Camila de Souza
Federal University of Health Sciences of Porto Alegre Faculty of Medicine
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Debora Decol
Federal University of Health Sciences of Porto Alegre Faculty of Medicine
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Magda Lunelli
Santo Antônio Children Hospital
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Luis Ribeiro
Santo Antônio Children Hospital
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Flávia Rodrigues
Santo Antônio Children Hospital
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Mohamed-Rida Benissa
University Hospitals of Geneva Child and Adolescent Department
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Sérgio Amantéa
Federal University of Health Sciences of Porto Alegre Faculty of Medicine
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Abstract

Introduction: The diagnosis of acute viral bronchiolitis (AVB) is primarily based on the findings in pulmonary auscultation. There is no consensus on which auscultatory finding is the most frequent in AVB. This study aims to describe the pulmonary auscultation in a series of patients with AVB and verify its association with age, sex, viral agent, and duration of oxygen therapy. Method: Pulmonary auscultation was recorded in patients hospitalized for AVB between October 2018 and October 2019 using an electronic stethoscope and then parallelly analyzed by two examiners. The effect of other factors such as sex, age, duration of oxygen therapy and etiological agent was analyzed for any possible associations. Results: Of 114 patients, 67 (58.8%) produced wheeze, 43 (37.7%) produced crackles, and 4 (3.5%) had normal auscultation. Wheezing was predominant in male patients while crackling in female patients (67.1% and 52.3%, respectively; p = 0.039). Age had no significant influence on the auscultation pattern (p = 0.054), etiological agent (p = 0.053) and the duration of oxygen therapy (p = 0.877). The median age was higher in patients with parainfluenza compared to those with RSV (6.5 and 4.4 months, respectively; p = 0.044). The duration of oxygen therapy was higher in patients with RSV compared to those with no identified virus (median 5.2 and 2.68 days, respectively; p = 0.018). Conclusions: Wheezing was recorded as the predominant auscultation finding among hospitalized patients with AVB. The type of virus associated with AVB had no influence on the changes in pulmonary auscultation.

Peer review status:UNDER REVIEW

26 May 2020Submitted to Pediatric Pulmonology
27 May 2020Assigned to Editor
27 May 2020Submission Checks Completed
28 May 2020Review(s) Completed, Editorial Evaluation Pending