Evidence map›Paper›PMID 40634700›Full record

ArticleSurgery today2025

Prevalence of median arcuate ligament syndrome and associated visceral artery aneurysms: Insights from computed tomography radiology reports in a single institution and management strategies.

Yusuke Endo, Kazunori Inuzuka, Masaki Sano, Kazuto Katahashi, Hajime Tsuyuki, Nozomu Ishikawa, Hiroya Takeuchi, Naoki Unno

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Article in Surgery today, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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3 · Its place in the literature

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4 · The record

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5 · Who and what money

Authors and funding

8 authors.

Yusuke EndoDepartment of Vascular Surgery, Hamamatsu University School of Medicine, 1-20-1 Handayama, Chuo-ku, Hamamatsu, 431-3192, Japan.
Kazunori InuzukaDepartment of Vascular Surgery, Hamamatsu University School of Medicine, 1-20-1 Handayama, Chuo-ku, Hamamatsu, 431-3192, Japan.
Masaki SanoDepartment of Vascular Surgery, Hamamatsu University School of Medicine, 1-20-1 Handayama, Chuo-ku, Hamamatsu, 431-3192, Japan.
Kazuto KatahashiDepartment of Vascular Surgery, Hamamatsu University School of Medicine, 1-20-1 Handayama, Chuo-ku, Hamamatsu, 431-3192, Japan.
Hajime TsuyukiDepartment of Vascular Surgery, Hamamatsu University School of Medicine, 1-20-1 Handayama, Chuo-ku, Hamamatsu, 431-3192, Japan.
Nozomu IshikawaDepartment of Vascular Surgery, Hamamatsu University School of Medicine, 1-20-1 Handayama, Chuo-ku, Hamamatsu, 431-3192, Japan.
Hiroya TakeuchiDepartment of Surgery, Hamamatsu University School of Medicine, 1-20-1 Handayama, Chuo-ku, Hamamatsu, 431-3192, Japan.
Naoki UnnoDepartment of Vascular Surgery, Hamamatsu University School of Medicine, 1-20-1 Handayama, Chuo-ku, Hamamatsu, 431-3192, Japan. unno@hmedc.or.jp.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeThis study investigated the prevalence of median arcuate ligament syndrome (MALS) and its association with visceral artery aneurysms based on radiological computed tomography (CT) reports from a single institution.

methodsAmong 392,111 abdominal CT scans (211,685 unique patients), 128 (0.06%) of celiac artery stenosis caused by MAL compression were identified after excluding calcified stenosis.

resultsOf 128 patients, 18 (14.1%) were symptomatic and presented with abdominal pain, discomfort, or bowel irregularities. Two symptomatic patients underwent MAL release surgery, while the other 16 were managed conservatively with medication. Aneurysmal formation secondary to celiac artery stenosis was observed in 54 cases (42.2%), with no reported rupture or dissection. Pancreaticoduodenal artery aneurysms were identified in 6 cases (4.7%), which were treated with endovascular intervention or MAL release. Over a mean follow-up period of 57 months (100 patients), no recurrence or new aneurysm formation was observed. A positive correlation (r = 0.52) was found between the stenosis rate and post-stenotic vessel diameter, highlighting a potential link between stenosis severity and aneurysm formation.

conclusionThe prevalence was low, with most cases being asymptomatic. Further studies are needed to better understand the role of MAL release in managing pancreaticoduodenal aneurysms and preventing aneurysm formation.

Indexed as

AneurysmCeliac ArteryMedian Arcuate Ligament SyndromeTomography, X-Ray ComputedVisceraAdultAgedAged, 80 and overConstriction, PathologicFemaleFollow-Up StudiesHumansMaleMiddle AgedPrevalenceCeliac artery aneurysmCeliac artery stenosisMedian arcuate ligament syndromePancreaticoduodenal artery aneurysm

Identifiers

PMID40634700

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.