Admission chest CT scan of intensive care patients with interstitial lung disease: Unveiling its limited predictive value through visual and automated analyses in a retrospective study (ILDICTO) - 02/10/24
, Eric Meneyrol a, b, Mathieu Lederlin d, Stéphane Jouneau e, f, Nicolas Terzi a, b, c, Jean-Marc Tadié a, b, c, Arnaud Gacouin a, b, cHighlights |
• | Admission chest CT-scan presentation is not associated with intensive care mortality for interstitial lung disease patients. |
• | Corticosteroid responsiveness is a major factor for survival in intensive care. |
• | Presence of honeycomb (and by extension an usual interstitial pneumonia pattern) is negatively associated with corticosteroid responsiveness. |
Abstract |
Background |
Clinical course prediction of patients with interstitial lung disease (ILD) admitted to the intensive care unit (ICU) for acute respiratory failure (ARF) can be challenging. This study aimed to characterize the prognostic value of admission chest CT-scan in this situation.
Methods |
We retrospectively included ILD patients admitted to a French ICU for acute respiratory failure requiring oxygen. Patients with lymphangitis carcinomatosis and ANCA vasculitis were excluded. We analyzed every admission chest CT-scan using two different approaches: a visual analysis (grading the extent of traction bronchiectasis, ground glass and honeycomb) and an automated analysis (grading the extent of ground glass and consolidation with a dedicated software). The primary outcome was ICU mortality.
Results |
Between January 2014 and October 2020, 81 patients presented an acute respiratory failure with ILD on the admission chest CT-scan. In univariate analysis, only the main pulmonary artery diameter differed between patients who survived and those who died in ICU (30 vs 32 mm, p = 0.021). In multivariate analysis, none of the radiological funding was associated with ICU mortality. Visual and automated analyses did not yield different results, with a strong correlation between the two methods. However, the identification of an UIP pattern (and the presence of honeycomb) was associated with a poorer response to corticosteroid therapy.
Conclusion |
Our study showed that the extent of radiological findings and the severity of fibrosis indices on admission chest CT scans of ILD patients admitted to the ICU for ARF were not associated with subsequent deterioration.
Le texte complet de cet article est disponible en PDF.Keywords : Interstitial lung disease, Intensive care, Computed tomography, Acute respiratory failure
Plan
Vol 86
Article 101140- novembre 2024 Retour au numéro
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