• Guillaume Dumas, Guillaume Géri, Claire Montlahuc, Sarah Chemam, Laurence Dangers, Claire Pichereau, Nicolas Brechot, Matthieu Duprey, Julien Mayaux, Maleka Schenck, Julie Boisramé-Helms, Guillemette Thomas, Loredana Baboi, Luc Mouthon, Zair Amoura, Thomas Papo, Alfred Mahr, Sylvie Chevret, Jean-Daniel Chiche, and Elie Azoulay.
• Chest. 2015 Oct 1;148(4):927-35.

BackgroundPatients with systemic rheumatic diseases (SRDs) may require ICU management for SRD exacerbation or treatment-related infections or toxicities.MethodsThis was an observational study at 10 university-affiliated ICUs in France. Consecutive patients with SRDs were included. Determinants of ICU mortality were identified through multivariable logistic analysis.ResultsThree hundred sixty-three patients (65.3% women; median age, 59 years [interquartile range, 42-70 years]) accounted for 381 admissions. Connective tissue disease (primarily systemic lupus erythematosus) accounted for 66.1% of SRDs and systemic vasculitides for 26.2% (chiefly antineutrophil cytoplasm antibodies-associated vasculitides). SRDs were newly diagnosed in 43 cases (11.3%). Direct admission to the ICU occurred in 143 cases (37.9%). Reasons for ICU admissions were infection (39.9%), SRD exacerbation (34.4%), toxicity (5.8%), or miscellaneous (19.9%). Respiratory involvement was the leading cause of admission (56.8%), followed by shock (41.5%) and acute kidney injury (42.2%). Median Sequential Organ Failure Assessment (SOFA) score on day 1 was 5 (3-8). Mechanical ventilation was required in 57% of cases, vasopressors in 33.9%, and renal replacement therapy in 28.1%. ICU mortality rate was 21.0% (80 deaths). Factors associated with ICU mortality were shock (OR, 3.77; 95% CI, 1.93-7.36), SOFA score at day 1 (OR, 1.19; 95% CI, 1.10-1.30), and direct admission (OR, 0.52; 95% CI, 0.28-0.97). Neither comorbidities nor SRD characteristics were associated with survival.ConclusionsIn patients with SRDs, critical care management is mostly needed only in patients with a previously known SRD; however, diagnosis can be made in the ICU for 12% of patients. Infection and SRD exacerbation account for more than two-thirds of these situations, both targeting chiefly the lungs. Direct admission to the ICU may improve outcomes.

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