Evaluation of barometric whole-body plethysmography for therapy monitoring in cats with feline lower airway disease.

<h4>Objectives</h4>Feline lower airway disease (FLAD) is a common respiratory condition in cats. Traditionally, response to therapy is monitored only by evaluation of clinical signs and radiographic examination of the lungs. Barometric whole-body plethysmography (BWBP) is considered a no...

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Main Authors: Hannah Gareis, Lina Hörner-Schmid, Yury Zablotski, Jelena Palić, Bianka Schulz
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2022-01-01
Series:PLoS ONE
Online Access:https://doi.org/10.1371/journal.pone.0276927
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author Hannah Gareis
Lina Hörner-Schmid
Yury Zablotski
Jelena Palić
Bianka Schulz
author_facet Hannah Gareis
Lina Hörner-Schmid
Yury Zablotski
Jelena Palić
Bianka Schulz
author_sort Hannah Gareis
collection DOAJ
description <h4>Objectives</h4>Feline lower airway disease (FLAD) is a common respiratory condition in cats. Traditionally, response to therapy is monitored only by evaluation of clinical signs and radiographic examination of the lungs. Barometric whole-body plethysmography (BWBP) is considered a non-invasive, well-tolerated form of measuring airway reactivity in cats. The aim of the study was to assess pulmonary function testing by BWBP for non-invasive evaluation of response to therapy in cats with FLAD and to investigate whether BWBP parameters correlate with clinical severity.<h4>Material and methods</h4>The prospective study included 25 client-owned cats, diagnosed with FLAD on the basis of their medical history, clinical signs, radiographic findings, and bronchoalveolar lavage fluid (BALF) examination. At three time points (day 0, 14, and 60), a standardised owner questionnaire, a clinical examination and BWBP measurements were carried out. Results of the questionnaire and the clinical examination were evaluated using a clinical 12-point score. Individual therapy was administered to all patients after diagnosis, based on the severity of disease and compliance of the cat.<h4>Results</h4>The total clinical score significantly improved over the entire study period (p<0.001). Significant improvement was detected for the frequency of coughing (p = 0.009), respiratory distress (p = 0.001), lung auscultation findings (p = 0.002), and general condition and appetite (p = 0.045). The BWBP parameter Penh, an indicator of bronchoconstriction, improved significantly under initial therapy between day 0 and 14 (p = 0.009). A significant correlation between Penh and the severity of auscultation findings was seen on day 0 (r = 0.40; p = 0.013).<h4>Conclusion</h4>The study supports the role of Penh as a non-invasive parameter for monitoring initial treatment response in cats with FLAD. Further studies are needed to address whether other BWBP parameters might be suitable for non-invasive therapy monitoring of FLAD. Clinical evaluation is always essential in cats with FLAD to evaluate treatment response.
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spelling doaj.art-967f51fcb6dd45099b55989c10a02e642022-12-22T02:38:19ZengPublic Library of Science (PLoS)PLoS ONE1932-62032022-01-011710e027692710.1371/journal.pone.0276927Evaluation of barometric whole-body plethysmography for therapy monitoring in cats with feline lower airway disease.Hannah GareisLina Hörner-SchmidYury ZablotskiJelena PalićBianka Schulz<h4>Objectives</h4>Feline lower airway disease (FLAD) is a common respiratory condition in cats. Traditionally, response to therapy is monitored only by evaluation of clinical signs and radiographic examination of the lungs. Barometric whole-body plethysmography (BWBP) is considered a non-invasive, well-tolerated form of measuring airway reactivity in cats. The aim of the study was to assess pulmonary function testing by BWBP for non-invasive evaluation of response to therapy in cats with FLAD and to investigate whether BWBP parameters correlate with clinical severity.<h4>Material and methods</h4>The prospective study included 25 client-owned cats, diagnosed with FLAD on the basis of their medical history, clinical signs, radiographic findings, and bronchoalveolar lavage fluid (BALF) examination. At three time points (day 0, 14, and 60), a standardised owner questionnaire, a clinical examination and BWBP measurements were carried out. Results of the questionnaire and the clinical examination were evaluated using a clinical 12-point score. Individual therapy was administered to all patients after diagnosis, based on the severity of disease and compliance of the cat.<h4>Results</h4>The total clinical score significantly improved over the entire study period (p<0.001). Significant improvement was detected for the frequency of coughing (p = 0.009), respiratory distress (p = 0.001), lung auscultation findings (p = 0.002), and general condition and appetite (p = 0.045). The BWBP parameter Penh, an indicator of bronchoconstriction, improved significantly under initial therapy between day 0 and 14 (p = 0.009). A significant correlation between Penh and the severity of auscultation findings was seen on day 0 (r = 0.40; p = 0.013).<h4>Conclusion</h4>The study supports the role of Penh as a non-invasive parameter for monitoring initial treatment response in cats with FLAD. Further studies are needed to address whether other BWBP parameters might be suitable for non-invasive therapy monitoring of FLAD. Clinical evaluation is always essential in cats with FLAD to evaluate treatment response.https://doi.org/10.1371/journal.pone.0276927
spellingShingle Hannah Gareis
Lina Hörner-Schmid
Yury Zablotski
Jelena Palić
Bianka Schulz
Evaluation of barometric whole-body plethysmography for therapy monitoring in cats with feline lower airway disease.
PLoS ONE
title Evaluation of barometric whole-body plethysmography for therapy monitoring in cats with feline lower airway disease.
title_full Evaluation of barometric whole-body plethysmography for therapy monitoring in cats with feline lower airway disease.
title_fullStr Evaluation of barometric whole-body plethysmography for therapy monitoring in cats with feline lower airway disease.
title_full_unstemmed Evaluation of barometric whole-body plethysmography for therapy monitoring in cats with feline lower airway disease.
title_short Evaluation of barometric whole-body plethysmography for therapy monitoring in cats with feline lower airway disease.
title_sort evaluation of barometric whole body plethysmography for therapy monitoring in cats with feline lower airway disease
url https://doi.org/10.1371/journal.pone.0276927
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