Right-Side Colon Ischemia: Clinical Features, Large Visceral Artery Occlusion, and Long-Term Follow-Up
Large visceral artery occlusion (LVAO) could underlie right-side colon ischemia (RSCI) but is little known. To assess patients with RSCI through long-term follow-up, including features and management of LVAO. Mesenteric ischemia and mortality. Retrospective observational study in an integrated healt...
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Veröffentlicht in: | Permanente journal 2015-01, Vol.19 (4), p.11-16 |
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Zusammenfassung: | Large visceral artery occlusion (LVAO) could underlie right-side colon ischemia (RSCI) but is little known.
To assess patients with RSCI through long-term follow-up, including features and management of LVAO.
Mesenteric ischemia and mortality.
Retrospective observational study in an integrated health care system.
Of 49 patients (30 women [61.2%]; mean [standard deviation] age, 69.4 [11.9] years), 19 (38.8%) underwent surgery—that is, 5 (83.3%) of 6 who developed RSCI in hospital following surgical procedures and 14 (32.6%) of 43 who had RSCI before hospitalization (p value = 0.03); overall, 5 (10.2%) died. Among 44 survivors with a median (range) follow-up of 5.19 (0.03-14.26) years, 5 (11.4%), including 3 (20.0%) of 15 operated cases, had symptomatic LVAO and underwent angioplasty and stent placement: 2 for abdominal angina that preceded RSCI, 1 for acute mesenteric ischemia 1 week after resection of RSCI, 1 for RSCI 6 weeks after resection of left-side ischemia, and 1 for abdominal angina that began 3 years after spontaneous recovery from RSCI. None had further mesenteric ischemia until death from nonintestinal disease or the end of follow-up (1.6 to 10.2 years later). Kaplan-Meier survival estimates for all 44 survivors at 1, 3, 5, and 10 years were 88.6%, 72.3%, 57.6%, and 25.9%, respectively. Thirty-one patients (70.4%) died during follow-up, 19 (61.3%) of a known cause; the 39 patients not treated for LVAO lacked mesenteric ischemia.
Patients with RSCI may have symptomatic LVAO; therefore, we advise they undergo careful query for symptoms of abdominal angina and routine visceral artery imaging. |
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ISSN: | 1552-5767 1552-5775 |
DOI: | 10.7812/TPP/15-024 |