Prevalence and development of chronic critical illness in acute patients admitted to a respiratory intensive care setting

A. Marchioni, R. Tonelli, A. Sdanganelli, F. Gozzi, L. Musarò, R. Fantini, L. Tabbì, A. Andreani, G. Cappiello, S. Costi, I. Castaniere, E. Clini

Research output: Contribution to journalArticlepeer-review


Introduction: Chronic Critical Illness (chronic CI) is a condition associated to patients surviving an episode of acute respiratory failure (ARF). The prevalence and the factors associated with the development of chronic CI in the population admitted to a Respiratory Intensive Care Unit (RICU) have not yet been clarified. Methods: An observational prospective cohort study was undertaken at the RICU of the University Hospital of Modena (Italy). Patients mechanically ventilated with ARF in RICU were enrolled. Demographics, severity scores (APACHEII, SOFA, SAPSII), and clinical condition (septic shock, pneumonia, ARDS) were recorded on admission. Respiratory mechanics and inflammatory-metabolic blood parameters were measured both on admission and over the first week of stay. All variables were tested as predictors of chronic CI through univariate and multivariate analysis. Results: Chronic CI occurred in 33 out of 100 patients observed. Higher APACHEII, the presence of septic shock, diaphragmatic dysfunction (DD) at sonography, multidrug-resistant (MDR) bacterial infection, the occurrence of a second infection during stay, and a C-reactive protein (CRP) serum level inceasing 7 days over admission were associated with chronic CI. Septic shock was the strongest predictor of chronic CI (AUC = 0.92 p < 0.0001). Conclusions: Chronic CI is frequent in patients admitted to RICU and mechanically ventilated due to ARF. Infection-related factors seem to play a major role as predictors of this syndrome.

Original languageEnglish
Publication statusAccepted/In press - Jan 1 2019


  • Acute respiratory distress syndrome
  • Chronic critical illness
  • Mechanical ventilation
  • Respiratory failure
  • Respiratory intensive care unit
  • Tracheostomy

ASJC Scopus subject areas

  • Pulmonary and Respiratory Medicine


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