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A breath of not so fresh air…

João Pinto Pereira, Philippe Hantson, Thierry Pieters, Matveï Apraxine, Antoine Froidure
Breathe 2022 18: 220026; DOI: 10.1183/20734735.0026-2022
João Pinto Pereira
1Pulmonology Department, Cliniques Universitaires Saint-Luc, Université Catholique de Louvain, Brussels, Belgium
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  • ORCID record for João Pinto Pereira
  • For correspondence: joao.pinto@saintluc.uclouvain.be
Philippe Hantson
2Department of Intensive Care, Cliniques St-Luc, Université Catholique de Louvain, Brussels, Belgium
3Louvain Centre for Toxicology and Applied Pharmacology, Cliniques St-Luc, Université Catholique de Louvain, Brussels, Belgium
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Thierry Pieters
1Pulmonology Department, Cliniques Universitaires Saint-Luc, Université Catholique de Louvain, Brussels, Belgium
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Matveï Apraxine
1Pulmonology Department, Cliniques Universitaires Saint-Luc, Université Catholique de Louvain, Brussels, Belgium
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Antoine Froidure
1Pulmonology Department, Cliniques Universitaires Saint-Luc, Université Catholique de Louvain, Brussels, Belgium
4Institut de Recherche Expérimentale et Clinique (IREC), Université Catholique de Louvain, Brussels, Belgium
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  • Article
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Figures

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  • FIGURE 1
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    FIGURE 1

    Computed tomography on admission.

  • FIGURE 2
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    FIGURE 2

    Isoamyl nitrite mixture sold as “leather cleaner” for legal reasons.

  • FIGURE 3
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    FIGURE 3

    Spirometry and bronchodilator responsiveness testing at admission.

  • FIGURE 4
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    FIGURE 4

    Spirometry on day 5.

Tables

  • Figures
  • TABLE 1

    Results of arterial blood gases

    ParameterPatient valueNormal range
    pH7.407.35–7.45
    Carbon dioxide tension, mmHg3635–45
    Oxygen tension, mmHg6685–95
    HCO3−, mmol·L−12222–28
    Oxyhaemoglobin, %90.870–100
    Methaemoglobin, %0.20.0–2.0
    Lactate, mmol·L−10.70.5–2.2
  • TABLE 2

    Pulmonary function testing at admission

    ParameterMeasuredPredicted valueLower limit% predicted
    FEV1 (L)1.003.542.8428
    FEV1/FVC62.2584.3573.6474
    FVC (L)1.604.113.2839
    TLC (L)3.615.304.3168
    DLCO (mL·min−1·mmHg−1)11.1423.9718.6546
    DLCO/VA (mL·min−1·mmHg−1·L−1)4.524.693.6696

    FEV1: forced expiratory in 1 s; FVC: forced vital capacity; TLC: total lung capacity; DLCO: diffusing capacity of the lung for carbon monoxide; VA: alveolar volume.

    • TABLE 3

      Pulmonary function testing on day 5

      ParameterMeasuredPredicted valueLower limit% predicted
      FEV1 (L)3.263.542.8492
      FEV1/FVC86.4784.3573.64103
      FVC (L)3.774.113.2892
      TLC (L)4.855.304.3192
      DLCO (mL·min−1·mmHg−1)19.2823.9718.6580
      DLCO/VA (mL·min−1·mmHg−1·L−1)4.274.693.6691

      FEV1: forced expiratory in 1 s; FVC: forced vital capacity; TLC: total lung capacity; DLCO: diffusing capacity of the lung for carbon monoxide; VA: alveolar volume.

      • TABLE 4

        Disease processes encompassed by the term bronchiolitis

        InfectiousToxicAutoimmuneCryptogenic/miscellaneous
        Respiratory viruses, such as the respiratory syncytial virus, influenza and parainfluenzaSmoke-related and e-cigarette or vaping use-associated lung injury (EVALI)Bronchiolitis obliterans syndrome (BOS) seen in chronic lung allograft dysfunctionDiffuse idiopathic pulmonary neuroendocrine cell hyperplasia (DIPNECH)
        ParasiticDiffuse aspiration bronchiolitisSjögren syndromeLangerhans histiocytosis
        FungalNitrogen dioxide (NO2) inhalationParaneoplasticFollicular bronchiolitis
        MycobacterialMustard gas (sulfur mustard)Rheumatoid arthritisPanbronchiolitis
        Mycoplasma pneumoniaeIngestion of Sauropus androgynusSystemic lupus erythematosusEosinophilic bronchiolitis
        Allergic bronchopulmonary mycosisDiacetyl (popcorn plant workers)Inflammatory bowel disease-related bronchiolitisCOPA syndrome

        Information from [8–11].

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        A breath of not so fresh air…
        João Pinto Pereira, Philippe Hantson, Thierry Pieters, Matveï Apraxine, Antoine Froidure
        Breathe Sep 2022, 18 (3) 220026; DOI: 10.1183/20734735.0026-2022

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        A breath of not so fresh air…
        João Pinto Pereira, Philippe Hantson, Thierry Pieters, Matveï Apraxine, Antoine Froidure
        Breathe Sep 2022, 18 (3) 220026; DOI: 10.1183/20734735.0026-2022
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