Long-term outcomes following successful treatment of acute mesenteric ischemic event: A population-based observational study

doi:10.4240/wjgs.118103

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World Journal of Gastrointestinal Surgery

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1948-9366

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

Observational Study

Copyright: ©Author(s) 2026. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial (CC BY-NC 4.0) license. No commercial re-use. See permissions. Published by Baishideng Publishing Group Inc.

World J Gastrointest Surg. Aug 27, 2026; 18(8): 118103
Published online Aug 27, 2026. doi: 10.4240/wjgs.118103

Table 2 The 3- and estimated 5-year overall and post-discharge survival and causes of death for subtypes of acute mesenteric ischemia, n (%)

AMI subtype	Overall (including in-hospital deaths) survival (%), 95%CI		Post-discharge survival (%), 95%CI		Causes of death
AMI subtype	3-year	Estimated 5-year	3-year	Estimated 5-year	New AMI event	Other cardiovascular event	Miscellaneous causes of death	Unknown cause of death
SMA embolism	12.8 (5.7-29.1)	12.8 (5.7-29.1)	45.5 (23.8-86.8)	45.5 (23.8-86.8)	-	6 (100.0)	-	-
SMA thrombosis	15.0 (10.6-21.1)	10.8 (7.1-16.4)	46.7 (35.6-61.2)	33.5 (23.2-48.4)	9 (20.0)	17 (37.8)	15 (33.3)	4 (8.9)
SMA unclear occlusion	14.3 (9.2-22.2)	10.7 (6.2-18.5)	47.2 (33.4-66.7)	35.7 (22.3-57.1)	4 (16.0)	10 (40.0)	6 (24.0)	5 (20.0)
Inferior mesenteric artery occlusion	40.0 (27.4-58.5)	30.3 (18.3-50.1)	53.3 (38.2-74.5)	41.3 (26.3-64.7)	-	10 (58.8)	6 (35.3)	1 (5.9)
Superior mesenteric vein occlusion	52.0 (35.7-75.8)	35.5 (28.8-72.0)	76.5 (58.7-99.5)	68.0 (47.9-96.5)	-	1 (20.0)	3 (60.0)	1 (20.0)
Non-occlusive mesenteric ischemia	19.0 (10.2-35.5)	19.0 (10.2-35.5)	66.7 (44.7-99.5)	66.7 (44.7-99.5)	-	2 (50.0)	2 (50.0)	-
Unclear	19.2 (13.3-27.7)	16.3 (10.8-24.6)	62.2 (48.3-79.9)	53.1 (39.0-72.3)	1 (5.0)	8 (40.0)	7 (35.0)	4 (20.0)
P value	P < 0.001	P < 0.001	P = 0.3	P = 0.1	P = 0.278

AMI: Acute mesenteric ischemia; CI: Confidence interval; SMA: Superior mesenteric artery.

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Citation: Kase K, Koitmäe M, Reintam Blaser A, Tamme K, Talving P, Murruste M. Long-term outcomes following successful treatment of acute mesenteric ischemic event: A population-based observational study. World J Gastrointest Surg 2026; 18(8): 118103
URL: https://www.wjgnet.com/1948-9366/full/v18/i8/118103.htm
DOI: https://dx.doi.org/10.4240/wjgs.118103

Kase K, Koitmäe M, Reintam Blaser A, Tamme K, Talving P, Murruste M. Long-term outcomes following successful treatment of acute mesenteric ischemic event: A population-based observational study. World J Gastrointest Surg 2026; 18(8): 118103 [DOI: 10.4240/wjgs.118103]

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