Mortality in patients with interstitial lung diseases hospitalized by severe or critical COVID-19.

BMC Pulm Med

Instituto Nacional de Enfermedades Respiratorias, Ismael Cosío Villegas, Calzada de Tlalpan 4502, Col. Sección XVI, 14080, Mexico, Tlalpan, Mexico.

Published: October 2023

AI Article Synopsis

  • A study was conducted to analyze the impact of critical COVID-19 on patients with pre-existing interstitial lung disease (ILD) compared to those without lung disease.
  • Out of 123 participants, the study found that patients with ILD had a higher mortality rate during hospitalization (63%) compared to controls (33%).
  • Factors such as higher body mass index (BMI) and fewer days of hospitalization were observed in patients with ILD who did not survive, indicating more severe health complications.

Article Abstract

Background: Since the first case of severe COVID-19, its effect on patients with previous interstitial lung disease (ILD) has been uncertain. We aimed to describe baseline clinical characteristics in ILD patients hospitalized by critical COVID and compare mortality during hospitalization.

Methods: We studied patients with ILD with COVID-19 and a control group matched by age, 1:2 ratio with COVID-19 without previous lung disease. On admission, laboratory tests and sociodemographic variables were evaluated. We evaluated patients critically ill and compared baseline characteristics and mortality in each group. Additionally, we performed a sub-analysis of ILD patients who died versus survivors.

Results: Forty-one patients and 82 controls were analyzed. In the group of ILD with COVID-19 there was a predominance of women (65 versus 33%: p < 0.001); lower leukocytes (9 ± 6 versus 11 ± 7, p = 0.01) and neutrophils (8 ± 5 versus 10 ± 6, p = 0.02). The most common ILD was secondary to autoimmune diseases. Patients with ILD and critical COVID-19 showed a significantly higher mortality compared with those without previous ILD (63 versus 33%, p = 0.007). Patients who died in this group had higher BMI (28 ± 6 versus 25 ± 4 kg/m, p = 0.05), less extended hospital stay (20 ± 17 versus 36 ± 27 days, p = 0.01), and fewer days of evolution (9 ± 7 versus 16 ± 16, p = 0.05).

Conclusions: We found higher mortality in patients with ILD with critical COVID-19. Higher BMI and comorbidities were present in the non-survivors.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10571283PMC
http://dx.doi.org/10.1186/s12890-023-02697-wDOI Listing

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