Purpose: To clarify the clinical significance of sivelestat sodium (SIV) administration, we surveyed the status of 40 patients treated with SIV for respiratory dysfunction following surgery. Methods: The subjects were patients who received SIV administration due to systemic inflammatory response syndrome (SIRS) and respiratory dysfunction (PaO2/FIO2 ratio ≥300 mmHg) after surgery at the Department of Surgery and Science, Kyushu University, and related facilities between April and December 2008. Results: The most frequent underlying condition was perforation of the digestive tract, followed by cancer of the upper digestive organs. The main causes of SIRS were surgical stress and infection. The mean P/F ratio at the initiation of SIV administration was 185.5 ± 72.0 mmHg. The ratio increased, and the number of SIRS-related factors decreased with time after SIV administration. Sivelestat sodium was administered within 24 h after the onset of respiratory dysfunction in 87.5% of the patients, and the survival rate at 28 days after the initiation of SIV administration was 90.0%. Conclusion: Our findings suggest that multidisciplinary postoperative management, including the administration of SIV, during the early phase after the onset of respiratory dysfunction leads to improvements in respiratory function and survival.
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