The combined effect of iloprost and N-acetylcysteine in preventing spinal cord ischemia in rabbits. |
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Authors: | M Boga B Discigil E A Ozkisacik U Gurcun M I Badak E Dikicioglu C Yenisey I Meteoglu |
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Affiliation: | Department of Cardiovascular Surgery, Medical Faculty, Adnan Menderes University, 09100 Aydin, Turkey. mboga@adu.edu.tr |
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Abstract: | OBJECTIVES: This study investigated the cytoprotective effects of N-acetylcysteine (NAC) and iloprost on spinal cord ischemia in an experimental model. MATERIALS AND METHODS: Thirty-five (male) New Zealand white rabbits were included in five study groups (n=7, each group). One group served as Sham. Rabbits in other groups had their abdominal aorta cross-clamped just above the iliac bifurcation for 40 min. During aortic cross clamping, iloprost, NAC, both iloprost and NAC or saline (control) were infused. RESULTS: In NAC, iloprost, and iloprost+NAC groups, neurological status of rabbits (Tarlov score) 24 and 48 h after the operation was better than the control group (p<0.01), but worse than the Sham group (p<0.01). There was minimal neuronal damage in the iloprost treated groups compared to the NAC group (p<0.05). Mean viability index values in NAC, iloprost and iloprost+NAC groups were higher than the control group (p<0.01). Viability index in the NAC group was lower than the iloprost and iloprost+NAC groups. CONCLUSIONS: The use of iloprost and NAC may provide better protection from spinal cord ischemia. |
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