• Shinji Togo, Kenichi Matsuo, Atsushi Ishibe, Yasuhiko Nagano, Masazumi Takahashi, Hirohiko Mochizuki, Shunichi Osada, Kunio Kameda, and Hiroshi Shimada.
• Department of Gastroenterological Surgery, Yokohama City University Graduate School of Medicine, Yokohama, Japan. togo@med.yokohama-cu.ac.jp
• Hepato Gastroenterol. 2008 May 1;55(84):967-73.

Background/AimsThe usefulness of a neutrophil elastase inhibitor (sivelestat) was evaluated for treating septic acute respiratory distress syndrome (ARDS) after gastrointestinal surgery.MethodologyThe subjects were 36 patients with septic ARDS after gastrointestinal surgery. ARDS was defined as acute lung injury associated with systemic inflammatory response syndrome. Sivelestat was intravenously administered at a dose of 0.2 mg/kg/hr continuously for 3 days or more. The effectiveness of sivelestat was evaluated based on the lung injury score, P/F ratio, and ventilator free days (VFD).ResultsMarked responses were observed in 12 patients (33.3%), responses in 17 (47.2%), and no response in 7 (19.4%). In the patients with marked responses or responses (responders), the P/F ratio was significantly improved on day 3 of drug administration and at the end of administration compared with the pre-administration ratio. Comparison between the responders and non-responders showed significant differences on day 3 and at the end of drug administration. VFD significantly differed between the responders (18.8 days) and the non-responders (11.0 days).ConclusionIn conclusion, sivelestat may be effective against septic ARDS. The effectiveness of the drug could be determined based on improvement in oxygenation ability on day 3 of drug administration.

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