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Abstract
Objective: This study was designed to search for risk factors predicting mortality of patients with Wegener's granulomatosis (WG) treated on the intensive care unit (ICU).
Methods: Seventeen patients admitted to the ICU of an University Hospital for an acute illness related to WG were analysed retrospectively over 4 years. A variety of clinical and laboratory variables were recorded. Contingency table analyses, univariate logistic regression, and discriminate analysis were performed to determine which factors influenced a negative outcome.
Results: Reasons for ICU admission were respiratory failure (n = 10), severe haemoptysis (n = 13), sepsis (n = 9), acute renal failure (n = 6), and gastrointestinal bleeding (n = 1). Patients were treated for a median of 6 days (range 4–121 days). During the stay in the ICU, five patients died within 24–121 days (overall mortality 29.4%). Causes of death were cerebral haemorrhage (n = 2), pulmonary embolism (n = 1), and sepsis (n = 2). Significantly associated with death were: Acute Physiology and Chronic Health Evaluation II (APACHE II) score>24 [p = 0.004, odds ratio (OR) 0.568, 95% confidence interval (CI) 0.327–0.989], period of time in the ICU>10 days (p = 0.001, OR 0.795, 95% CI 0.589–1.072), and treatment with cyclophosphamide during the stay in the ICU (p = 0.013, OR 0.799, 95% CI 0.651–0.980). No association was found for higher age, C‐reactive protein (CRP), pulmonary involvement, serum creatinine, and requirement of haemodialysis.
Conclusions: The prognosis for WG patients in the ICU is serious, but the majority can survive. To achieve a more favourable outcome, patients should stay in the ICU for as short a time as possible. The occurrence of renal failure did not influence the outcome in our patients.