Acute arterial mesenteric ischemia and reperfusion: Macroscopic and MRI findings, preliminary report

doi:10.3748/wjg.v19.i40.6825

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Oct 28, 2013 (publication date) through Nov 11, 2025

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World Journal of Gastroenterology

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1007-9327

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

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World J Gastroenterol. Oct 28, 2013; 19(40): 6825-6833
Published online Oct 28, 2013. doi: 10.3748/wjg.v19.i40.6825

Table 1 Magnetic resonance imaging findings

		1-h	2-h	4-h	8-h
Group I: Magnetic resonance imaging findings
Rat 1	Free fluid	1	1	1	1
	Free gas	0	0	0	0
	HRI	0	1	1	1
	PI	0	0	1	1
	Bowel wall thinning	0	1	1	1
	Bowel wall thickening	0	0	0	0
	Wall signal (T2-W sequences)	0	0	1	1
	Wall pneumatosis	0	0	0	0
Rat 2	Free fluid	1	1	1	Rat dead
	Free gas	0	0	0
	HRI	0	1	1
	PI	0	0	1
	Bowel wall thinning	0	1	1
	Bowel wall thickening	0	0	0
	Wall signal (T2-W sequences)	0	0	1
	Wall pneumatosis	0	0	0
Rat 3	Free fluid	1	1	Rat dead
	Free gas	0	0
	HRI	0	1
	PI	0	0
	Bowel wall thinning	0	1
	Bowel wall thickening	0	0
	Wall signal (T2-W sequences)	0	0
	Wall pneumatosis	0	0
Rat 4	Free fluid	1	Rat dead
	Free gas	0
	HRI	0
	PI	0
	Bowel wall thinning	0
	Bowel wall thickening	0
	Wall signal (T2-W sequences)	0
	Wall pneumatosis	0
Group II: Magnetic resonance imaging findings
Rat 5	Free fluid	1	1	1	1
	Free gas	0	0	0	0
	HRI	0	1	1	1
	PI	0	0	1	1
	Bowel wall thinning	0	0	0	0
	Bowel wall thickening	0	1	1	1
	Wall signal (T2-W sequences)	1	1	1	1
	Wall pneumatosis	0	0	0	0
Rat 6	Free fluid	1	1	1	Rat dead
	Free gas	0	0	0
	HRI	0	1	1
	PI	0	0	1
	Bowel wall thinning	0	0	0
	Bowel wall thickening	0	1	1
	Wall signal (T2-W sequences)	1	1	1
	Wall pneumatosis	0	0	0
Rat 7	Free fluid	1	1	Rat dead
	Free gas	0	0
	HRI	0	1
	PI	0	0
	Bowel wall thinning	0	0
	Bowel wall thickening	0	1
	Wall signal (T2-W sequences)	1	1
	Wall pneumatosis	0	0
Rat 8	Free fluid	1	Rat dead
	Free gas	0
	HRI	0
	PI	0
	Bowel wall thinning	0
	Bowel wall thickening	0
	Wall signal (T2-W sequences)	1
	Wall pneumatosis	0

HRI: Hypotonic reflex ileus; PI: Paralytic ileus.

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Table 2 Magnetic resonance imaging results and differences between the two groups

Time	1-h	2-h	4-h	8-h
Group I percentages
Free fluid	100%	100%	100%	100%
Free gas	0%	0%	0%	0%
HRI	0%	100%	100%	100%
PI	0%	0%	100%	100%
Bowel wall thinning	0%	100%	100%	100%
Bowel wall thickening	0%	0%	0%	0%
Wall signal (T2-W sequences)	0%	0%	100%	100%
Wall pneumatosis	0%	0%	0%	0%
Group II percentages
Free fluid	100%	100%	100%	100%
Free gas	0%	0%	0%	0%
HRI	0%	100%	100%	100%
PI	0%	0%	100%	100%
Bowel wall thinning	0%	0%	0%	0%
Bowel wall thickening	0%	100%	100%	100%
Wall signal (T2-W sequences)	100%	100%	100%	100%
Wall pneumatosis	0%	0%	0%	0%
Differences between the two groups
Free fluid	No	No	No	No
FRee gas	No	No	No	No
HRI	No	No	No	No
PI	No	No	No	No
Bowel wall thinning	No	Yes	Yes	Yes
Bowel wall thickening	No	Yes	Yes	Yes
Wall signal (T2-W sequences)	Yes	Yes	No	No
Wall pneumatosis	No	No	No	No

HRI: Hypotonic reflex ileus; PI: Paralytic ileus.

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Citation: Saba L, Berritto D, Iacobellis F, Scaglione M, Castaldo S, Cozzolino S, Mazzei MA, Mizio VD, Grassi R. Acute arterial mesenteric ischemia and reperfusion: Macroscopic and MRI findings, preliminary report. World J Gastroenterol 2013; 19(40): 6825-6833
URL: https://www.wjgnet.com/1007-9327/full/v19/i40/6825.htm
DOI: https://dx.doi.org/10.3748/wjg.v19.i40.6825