Respiratory failure & ventilation
Longitudinal assessment of pulmonary morphological patterns using structured serial chest radiography in mechanically ventilated ICU patients
Authors' conclusion
Structured serial chest radiography converted routine ICU images into comparable longitudinal morphological variables. Documented radiological change was common and frequently early; its association with longer IMV duration should be interpreted as concurrent and exploratory. Prospective multicentre studies are needed.
Study context
- Population
- Adults receiving Invasive Mechanical Ventilation (IMV) ≥48 h in the ICU of Hospital General IESS Babahoyo, Ecuador (2018–2019)adults receiving IMV ≥48 h
- Participants
- 57 adults
- Exposure
- Patients with documented radiological pattern change vs those without
- Documented changen = 32
- Outcome
- Radiographs available
- Follow-up
- Days 1-5 of IMV
Methodological detailsexploratory logistic regression model
- Exploratory logistic regression model
Main finding
As reported in the abstract
Days 1-2
57 patients
Day 3
46
Day 4
39
Day 5
34
Observational data: associations, not effects.
Further findings
Association of IMV duration with documented change
| Adjusted OR for documented change (95% CI) | P value | ||
|---|---|---|---|
| IMV durationExploratory adjusted model | 1.30 (1.0–1.6) | P = 0.018 | |
| −1012Difference (linear scale) |
Days
| Outcome | Documented change | No documented change | P value |
|---|---|---|---|
| IMV durationLonger with documented change | 5.5 | 3 | P < 0.001 |
| ICU stayLonger with documented change | 8 | 3 | P < 0.001 |
Normal predominant patterns · baseline to Day 5
- Baseline
- 52.6%
- Day 5
- 14.7%
Alveolar patterns · baseline to Day 5
- Baseline
- 10.5%
- Day 5
- 35.3%
Documented radiological pattern change
- Patients with documented change
- 32 (56.1%)
- First identified, median
- Day 2
Original publication
Longitudinal assessment of pulmonary morphological patterns using structured serial chest radiography in mechanically ventilated ICU patients. J Crit Care. Published 25 October 2026. doi:10.
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