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  • Title: Factors associated with mortality from non-occlusive mesenteric ischemia in dialysis patients.
    Author: Yu CC, Hsu HJ, Wu IW, Lee CC, Tsai CJ, Chou CC, Wu MS.
    Journal: Ren Fail; 2009; 31(9):802-6. PubMed ID: 19925288.
    Abstract:
    BACKGROUND: Among dialysis patients, acute mesenteric ischemia is mostly caused by non-occlusive mesenteric ischemia (NOMI). There is a very high mortality rate associated with this complication, but prognostic factors associated with NOMI are not well-known. METHOD: In this study, we retrospectively reviewed the records of dialysis patients to identify prognostic factors associated with mortality from NOMI. Overall, there were 541 patients on hemodialysis (HD) and 158 patients on peritoneal dialysis (PD) in our hospital from January 2007 to December 2008. Among these 699 patients, we diagnosed NOMI by surgical and/or radiological criteria. A total of 12 dialysis patients (9 on HD and 3 on PD) developed NOMI during the study period. RESULT: The incidence of NOMI was 1.04% per patient-year for all dialysis patients (0.95% for HD and 1.35% for PD patients). Most of the 12 patients had chronic hypotension (83.3%, 10/12). Four patients expired following development of NOMI. Our results showed that mortality was significantly higher in patients who were administered a cyclooxygenase (COX) inhibitor prior to ischemia. Hypobicarbonemia during NOMI, which might indicate the severity of hypoperfusion, is also associated with higher mortality. CONCLUSION: NOMI is rare in dialysis patients. COX inhibitor administration should be given with caution in long-term hypotensive dialysis patients.
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