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Karanasios E, Ragab Z, Cavenagh H, Stather P, Ali T. Characteristics and Trends in Median Arcuate Ligament Syndrome (MALS) Associated Visceral Artery Aneurysms: A Systematic Descriptive Review of the Literature. Vasc Endovascular Surg 2024; 58:512-522. [PMID: 38271562 DOI: 10.1177/15385744241229842] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2024]
Abstract
Introduction: Median Arcuate Ligament Syndrome (MALS) is associated with true aneurysms, mainly of both the pancreaticoduodenal artery (PDA) and gastroduodenal artery (GDA). Although rare, their potential for rupture and adverse clinical outcomes warrants analysis. Prior studies suggest high rupture rates even for smaller aneurysms under 2 cm in this setting. We performed a systematic literature review, synthesising the evidence on visceral artery aneurysms related to MAL syndrome, with a focus on descriptive analyses of aneurysm size, presentation, rupture rates, and management. Methods: Literature search was performed using (Medline, EMBASE, Emcare and CINAHL). Inclusion criteria included true aneurysms secondary to MALS with or without rupture. The cases with pseudoaneurysms, concomitant pathologies eg, pancreatitis, conservatively managed aneurysms and articles with non-granular pooled data were excluded. Cases were assessed according to demographics, clinical presentation, aneurysm diameter, aneurysm rupture and management technique. Results: 39 articles describing 72 patients were identified. Aneurysm diameter in symptomatic patients was not significantly different from asymptomatic patients {21.0 and 22.3 mm respectively, P = .84}. Ruptured aneurysms were overall smaller than non-ruptured at presentation {12.3 mm v 30.8 mm respectively, P = .02}. Patients presented with abdominal pain (75.6%), nausea/vomiting (15.6%), hypotension (33.9%), shock (20.0%) and haemodynamic collapse (8.9%). 56.9% of all cases were managed with an endovascular approach, 19.4% were managed with an open surgical approach, and 23.6% were managed hybrid. Conclusion: This review suggests visceral artery aneurysms associated with median arcuate ligament rupture at variable sizes. Despite inability to clearly correlate size and rupture risk, our data supports prompt intervention irrespective of size, given the adverse outcomes. Further research is critically needed to clarify size thresholds or other predictors to guide management.
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Affiliation(s)
| | - Zeyad Ragab
- Speciality Registrar- Radiology, Norfolk and Norwich University Hospitals, Norwich, UK
| | - Harry Cavenagh
- Speciality Registrar- Radiology, Norfolk and Norwich University Hospitals, Norwich, UK
| | - Philip Stather
- Consultant Vascular Surgeon, Norfolk and Norwich University Hospitals, Norwich, UK
| | - Tariq Ali
- Consultant Interventional Radiologist, Norfolk and Norwich University Hospitals, Norwich, UK
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2
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Hofmann K, Lareida A, Bächler T, Breitenstein S, Kambakamba P. Recurrent aneurysmatic bleeding of pancreaticoduodenal aneurysm due to median arcuate ligament syndrome: a case report. J Surg Case Rep 2024; 2024:rjae364. [PMID: 38817786 PMCID: PMC11138111 DOI: 10.1093/jscr/rjae364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2024] [Accepted: 05/16/2024] [Indexed: 06/01/2024] Open
Abstract
Median arcuate ligament syndrome (MALS) involves coeliac artery compression, causing a range of symptoms from chronic pain to life-threatening complications. This case features a 52-year-old patient with recurrent retroperitoneal bleeding from MALS-related inferior pancreaticoduodenal artery aneurysms (PDAAs). Emergency interventions, including surgical bleeding control, angioplasty, percutaneous drainage, and median arcuate ligament release, were conducted. The case highlights challenges in diagnosing and managing MALS-related PDAA, emphasizing the importance of early identification and tailored interventions based on clinical symptoms and imaging. Surgical intervention to release the ligament is the primary treatment, with considerations for prophylactic intervention in PDAA cases. Lack of established PDAA management protocols underscores the need for prompt intervention to prevent complications. In conclusion, this report stresses the association between MALS and PDAA, advocating for early identification and tailored management to mitigate complications.
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Affiliation(s)
- Kyra Hofmann
- Department of General Surgery, Kantonsspital Schaffhausen, 8208 Schaffhausen, Switzerland
| | - Anna Lareida
- Department of Surgery, Clinic for Visceral and Thoracic Surgery, Kantonsspital Winterthur, 8400 Winterthur, Switzerland
| | - Thomas Bächler
- Department of Surgery, Clinic for Visceral and Thoracic Surgery, Kantonsspital Winterthur, 8400 Winterthur, Switzerland
| | - Stefan Breitenstein
- Department of Surgery, Clinic for Visceral and Thoracic Surgery, Kantonsspital Winterthur, 8400 Winterthur, Switzerland
| | - Patryk Kambakamba
- Department of Surgery, Clinic for Visceral and Thoracic Surgery, Kantonsspital Winterthur, 8400 Winterthur, Switzerland
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3
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Ganapathy A, Mohakud S, Rout S, Joy P, Alagappan A, Manokaran A. A radio-anatomical study of median arcuate ligament syndrome: unveiling the morphology and morphometry of median arcuate ligament, celiac trunk, and superior mesenteric artery. Abdom Radiol (NY) 2024:10.1007/s00261-024-04231-w. [PMID: 38494467 DOI: 10.1007/s00261-024-04231-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2024] [Revised: 01/31/2024] [Accepted: 02/01/2024] [Indexed: 03/19/2024]
Abstract
PURPOSE In the context of medical literature, a significant lacuna exists in understanding median arcuate ligament syndrome (MALS). While clinical aspects are well documented, literature lacks a robust exploration of the anatomical relationship between the celiac trunk and the median arcuate ligament (MAL). METHODS Morphometric parameters, including the vertebral level of MAL origin, MAL thickness, celiac trunk (CeT) origin level, diameter, and distances between CeT/Superior Mesenteric Artery (SMA) and the MAL center were observed on 250 CT angiograms. Cadavers (n = 11) were dissected to examine the same parameters and histo-morphological examination of MAL tissue was done. RESULTS Radiological findings established average MAL thickness of 7.79 ± 2.58 mm. The celiac trunk typically originated at T12. The average distance between the celiac trunk and the MAL center was 1.32 ± 2.04 mm. The angle of the celiac trunk to the abdominal aorta was primarily obtuse. The average celiac trunk diameter was 5.53 ± 1.33 mm. Histological examinations revealed a diverse MAL composition, indicating variable mechanical properties. CONCLUSION This study provides comprehensive morphometric data on the anatomical relationship between the MAL and the celiac trunk. In contrast to available literature which says the average MAL thickness of > 4 mm is an indicator of increased thickness, we observed much higher average thickness in the studied population. The findings contribute to a better understanding of normal anatomical variations which can serve as reference values for accurate radiological diagnosis of MALS. The histological examination revealed the heterogeneous nature of the MAL tissue composition, suggesting variable mechanical properties and functions in different regions.
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Affiliation(s)
- Arthi Ganapathy
- Department of Anatomy, All India Institute of Medical Sciences, New Delhi, India.
| | - Sudipta Mohakud
- Department of Radiology, All India Institute of Medical Sciences, Bhubaneswar, India
| | - Sipra Rout
- Department of Anatomy, All India Institute of Medical Sciences, Bhubaneswar, India
| | - Praisy Joy
- Department of Anatomy, All India Institute of Medical Sciences, Bhubaneswar, India
| | - Alamelu Alagappan
- Department of Radiology, All India Institute of Medical Sciences, Bhubaneswar, India
| | - Aarthi Manokaran
- Department of Anatomy, All India Institute of Medical Sciences, Bhubaneswar, India
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4
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Woestemeier A, Semaan A, Kalff JC, Lingohr P. [Diagnosis and treatment of Dunbar syndrome]. Schmerz 2024; 38:6-11. [PMID: 37989790 DOI: 10.1007/s00482-023-00766-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/09/2023] [Indexed: 11/23/2023]
Abstract
The rare Dunbar syndrome or medial arcuate ligament syndrome (MALS) is defined as compression of the celiac trunk and/or ganglion by the medial arcuate ligament. It is often diagnosed after patients have suffered for a long time and is characterized by intermittent food-related pain, nausea, and unexplained weight loss. After exclusion of other causes of the above symptoms by gastroscopy, colonoscopy, CT, or MRI, the gold standard for diagnosis is dynamic color-coded duplex sonography, which may be supplemented by CT or MR angiography. The treatment of choice is a laparoscopic division of the arcuate ligament at the celiac trunk, although percutaneous transluminal angioplasty (PTA) with stent implantation may be performed in cases of postoperative persistence of symptoms or recurrent stenosis. Since symptoms persist postoperatively in up to 50% of cases, strict indication and complete diagnosis in designated centers are of great importance for successful treatment.
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Affiliation(s)
- Anna Woestemeier
- Klinik- und Poliklinik für Allgemein‑, Viszeral‑, Thorax- und Gefäßchirurgie, Universitätsklinikum Bonn, Venusberg-Campus 1, 53127, Bonn, Deutschland
| | - Alexander Semaan
- Klinik- und Poliklinik für Allgemein‑, Viszeral‑, Thorax- und Gefäßchirurgie, Universitätsklinikum Bonn, Venusberg-Campus 1, 53127, Bonn, Deutschland
| | - Jörg C Kalff
- Klinik- und Poliklinik für Allgemein‑, Viszeral‑, Thorax- und Gefäßchirurgie, Universitätsklinikum Bonn, Venusberg-Campus 1, 53127, Bonn, Deutschland
| | - Philipp Lingohr
- Klinik- und Poliklinik für Allgemein‑, Viszeral‑, Thorax- und Gefäßchirurgie, Universitätsklinikum Bonn, Venusberg-Campus 1, 53127, Bonn, Deutschland.
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5
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Liu Y, Zheng H, Wang X, Wang Z, Zhu Q, Wen C, Tong Y. Ultrasound characteristics of abdominal vascular compression syndromes. Front Cardiovasc Med 2023; 10:1282597. [PMID: 38173818 PMCID: PMC10764025 DOI: 10.3389/fcvm.2023.1282597] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Accepted: 11/30/2023] [Indexed: 01/05/2024] Open
Abstract
Abdominal vascular compression syndrome (AVCS) is caused by the compression of abdominal blood vessels by adjacent structures or the compression of abdominal organs by neighboring blood vessels. Such compressions can result in a variety of clinical symptoms. They are not commonly seen in ultrasound practices, and their presence may have been underrecognized and underdiagnosed. This article reviews the clinical features, ultrasound characteristics, and diagnostic criteria of four types of AVCS, namely, celiac artery compression syndrome, renal vein compression syndrome, iliac vein compression syndrome, and superior mesenteric artery syndrome to increase awareness of these conditions among ultrasound practitioners. The ultrasound criteria for AVCS are primarily based on studies with small sample sizes, and therefore, it is important to exercise caution if these criteria are used.
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Affiliation(s)
- Yan Liu
- Department of Ultrasound, Peking University International Hospital, Beijing, China
| | - Haining Zheng
- Department of Ultrasound, Peking University International Hospital, Beijing, China
| | - Xiaoqing Wang
- Department of Ultrasound, Peking University International Hospital, Beijing, China
| | - Zi Wang
- Department of Ultrasound, Beijing Tongren Hospital, Capital Medical University, Beijing, China
| | - Qiang Zhu
- Department of Ultrasound, Beijing Tongren Hospital, Capital Medical University, Beijing, China
| | - Chaoyang Wen
- Department of Ultrasound, Peking University International Hospital, Beijing, China
| | - Yisha Tong
- Department of Vascular Surgery, Austin Hospital, University of Melbourne, Melbourne, VIC, Australia
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6
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Braet DJ, Pourak K, Davis FM, Eliason JL, Vemuri C. Superior mesenteric aneurysm associated with median arcuate ligament syndrome and a single celiacomesenteric trunk. J Vasc Surg Cases Innov Tech 2023; 9:101348. [PMID: 37965115 PMCID: PMC10641679 DOI: 10.1016/j.jvscit.2023.101348] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Accepted: 09/21/2023] [Indexed: 11/16/2023] Open
Abstract
Median arcuate ligament syndrome (MALS) is known to promote arterial collateral circulation development from mesenteric vessel compression and can lead to the development of visceral aneurysms. These aneurysms are often diagnosed at the time of rupture and pose a significant morality risk without appropriate intervention. A celiacomesenteric trunk is a rare anatomic variant in which the celiac artery and superior mesenteric artery share a common origin and has been postulated as a risk factor for developing MALS. In this report, we present a novel case of MALS in a patient with a celiacomesenteric trunk and a superior mesenteric artery aneurysm.
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Affiliation(s)
- Drew J. Braet
- Section of Vascular Surgery, Department of Surgery, University of Michigan, Ann Arbor, MI
| | - Kian Pourak
- Department of Surgery, University of Michigan, Ann Arbor, MI
| | - Frank M. Davis
- Section of Vascular Surgery, Department of Surgery, University of Michigan, Ann Arbor, MI
| | - Jonathan L. Eliason
- Section of Vascular Surgery, Department of Surgery, University of Michigan, Ann Arbor, MI
| | - Chandu Vemuri
- Section of Vascular Surgery, Department of Surgery, University of Michigan, Ann Arbor, MI
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7
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Chan SM, Weininger G, Kozhimala M, Sumpio BJ, Levine LJ, Harris S, Zheng S, Ochoa Chaar CI, Guzman RJ, Sumpio BE. Utility of Hook Sign in the Diagnosis of Median Arcuate Ligament Syndrome. Ann Vasc Surg 2023:S0890-5096(23)00186-3. [PMID: 37023920 DOI: 10.1016/j.avsg.2023.03.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 03/18/2023] [Accepted: 03/19/2023] [Indexed: 04/08/2023]
Abstract
OBJECTIVE Median arcuate ligament syndrome (MALS) is a clinical syndrome caused by compression of the celiac artery by the median arcuate ligament (MAL) that often manifests with non-specific abdominal pain. Identification of this syndrome is often dependent on imaging of compression and upward bending of the celiac artery by lateral CTA, the so-called "hook sign." The purpose of this study was to assess the relationship of radiologic characteristicss of the celiac artery to clinically relevant MALS. DESIGN Single-center retrospective study METHODS: An IRB-approved retrospective chart review from 2000-2021 of 293 patients at a tertiary academic center diagnosed with celiac artery compression (CAC) was performed. Patient demographics and symptoms of 69 patients who were diagnosed with symptomatic MALS were compared to 224 patients without MALS (but with CAC) per electronic medical record review. CTA images were reviewed and the fold angle (FA) was measured. The presence of a hook sign (defined as a visual fold angle < 135 degrees) was recorded as well as stenosis (defined as >50% of luminal narrowing on imaging). Wilcoxon rank sum test and Chi-squared were utilized for comparative analysis. Logistic model was run to relate the presence of MALS with comorbidities and radiographic findings. RESULTS Imaging was available in 59 patients (25 males, 34 females) and 157 patients (60 males, 97 females) with and without MALS respectively. Patients with MALS were more likely to have a more severe FA (120.7 ± 33.6 vs. 134.8 ± 27.9, P = 0.002). Males with MALS were also more likely to have a more severe FA compared with males without MALS (111.1 ± 33.7 vs. 130.4 ± 30.4, P = 0.015). In patients with BMI > 25, MALS patients also had narrower FA compared with patients without MALS (112.6 ± 30.5 vs. 131.7 ± 30.3, P = 0.001). The FA was negatively correlated with BMI in patients with CAC . The hook sign and stenosis were associated with diagnosis of MALS (59.3% vs. 28.7%, P < 0.001, and 75.7% vs. 45.2%, P < 0.001, respectively). In logistic regression, pain, stenosis and a narrow FA were statistically significant predictors of the presence of MALS. CONCLUSIONS The upward deflection of the celiac artery in patients with MALS is more severe compared with patients without MALS. Consistent with prior literature, this bending of the celiac artery is negatively correlated with BMI in patients with and without MALS. When demographic variables and comorbidities are considered, a narrow FA is a statistically significant predictor of MALS. Regardless of MALS diagnosis, a hook sign was associated with narrower FA. While demographics and imaging findings may inform MALS diagnosis, clinicians should not rely on a visual assessment of a hook sign but should quantitatively measure the anatomic bending angle of the celiac artery to assist with the diagnosis and understand the outcomes.
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Affiliation(s)
- Shin Mei Chan
- Yale University School of Medicine, New Haven, CT, 06511
| | - Gabe Weininger
- Yale University School of Medicine, New Haven, CT, 06511
| | - Meagan Kozhimala
- Division of Vascular and Endovascular Surgery, Department of Surgery, Yale University School of Medicine, New Haven, CT, 06511
| | - Brandon J Sumpio
- Division of Vascular and Endovascular Surgery, Massachusetts General Hospital, Boston, MA, 02114
| | - Louis J Levine
- Department of Internal Medicine, Yale University School of Medicine, New Haven, CT, 06511
| | - Sean Harris
- Division of Vascular and Endovascular Surgery, Department of Surgery, Yale University School of Medicine, New Haven, CT, 06511
| | - Sijin Zheng
- Yale University School of Medicine, New Haven, CT, 06511
| | - Cassius Iyad Ochoa Chaar
- Division of Vascular and Endovascular Surgery, Department of Surgery, Yale University School of Medicine, New Haven, CT, 06511
| | - Raul J Guzman
- Division of Vascular and Endovascular Surgery, Department of Surgery, Yale University School of Medicine, New Haven, CT, 06511
| | - Bauer E Sumpio
- Division of Vascular and Endovascular Surgery, Department of Surgery, Yale University School of Medicine, New Haven, CT, 06511.
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8
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Chen SR, Tsai MC, Wang CC. A Rare Cause of Chronic Abdominal Pain and Weight Loss. Gastroenterology 2022; 163:e31-e32. [PMID: 35728690 DOI: 10.1053/j.gastro.2022.06.040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Accepted: 06/14/2022] [Indexed: 12/02/2022]
Affiliation(s)
- Sih-Ruei Chen
- Department of Internal Medicine, Chung Shan Medical University Hospital, Taiwan
| | - Ming-Chang Tsai
- School of Medicine, Chung Shan Medical University, Taiwan; Division of Gastroenterology and Hepatology, Department of Internal Medicine, Chung Shan Medical University Hospital, Taiwan
| | - Chi-Chih Wang
- School of Medicine, Chung Shan Medical University, Taiwan; Division of Gastroenterology and Hepatology, Department of Internal Medicine, Chung Shan Medical University Hospital, Taiwan.
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9
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Onishi Y, Shimizu H, Isoda H, Shinozuka K, Ohtsuru S, Nakamoto Y. Transcatheter arterial embolization for bleeding from the pancreaticoduodenal artery in patients with celiac artery stenosis: A technical report. Acta Radiol Open 2022; 11:20584601221135180. [PMID: 36313861 PMCID: PMC9597204 DOI: 10.1177/20584601221135180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Accepted: 10/09/2022] [Indexed: 11/12/2022] Open
Abstract
Background Transcatheter arterial embolization (TAE) is widely accepted as a treatment for bleeding from the pancreaticodoudenal artery (PDA) in patients with celiac artery stenosis. However, the technical aspect of TAE has not received much attention. Purpose To report the technical details and success rate of TAE for bleeding from the PDA in patients with CA stenosis. Material and Methods Between 2015 and 2021, nine TAE procedures were performed in eight patients (five women, three men; one woman underwent TAE twice). The cause of CA stenosis was compression by the median arcuate ligament in eight cases and CA dissection in one case. The cause of bleeding was flow-related aneurysm rupture in six cases. Pre-TAE CT showed a pseudoaneurysm in all cases. The technical details of TAE were recorded, and the success rate was evaluated. Results The technical and clinical success rates were 100%. In six cases, both the CA and superior mesenteric artery (SMA) were cannulated using two parent catheters: a microcatheter advancing to the pseudoaneurysm from the CA (the CA approach) to achieve embolization and another catheter for angiography advancing from the SMA to map the vascular anatomy. In five cases, the CA approach was successfully performed after failed attempts of advancing a microcatheter from the SMA. Conclusion TAE is an effective treatment for bleeding from the PDA in patients with CA stenosis. Using two parent catheters, one for CA cannulation and microcatheter advancement and another for SMA cannulation and vascular mapping, may be a useful technique.
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Affiliation(s)
- Yasuyuki Onishi
- Department of Diagnostic Imaging
and Nuclear Medicine, Graduate School of Medicine,
Kyoto
University, Kyoto, Japan,Yasuyuki Onishi, MD, Department of
Diagnostic Imaging and Nuclear Medicine, Graduate School of Medicine, Kyoto
University, 54 Shogoin-kawahara-cho, Sakyo-ku, Kyoto 606-8507, Japan.
| | - Hironori Shimizu
- Department of Diagnostic Imaging
and Nuclear Medicine, Graduate School of Medicine,
Kyoto
University, Kyoto, Japan
| | - Hiroyoshi Isoda
- Department of Diagnostic Imaging
and Nuclear Medicine, Graduate School of Medicine,
Kyoto
University, Kyoto, Japan
| | - Ken Shinozuka
- Department of Primary Care and
Emergency Medicine, Graduate School of Medicine,
Kyoto
University, Kyoto, Japan
| | - Shigeru Ohtsuru
- Department of Primary Care and
Emergency Medicine, Graduate School of Medicine,
Kyoto
University, Kyoto, Japan
| | - Yuji Nakamoto
- Department of Diagnostic Imaging
and Nuclear Medicine, Graduate School of Medicine,
Kyoto
University, Kyoto, Japan
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10
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Diab J, Diab V, Berney CR. A diagnostic workup and laparoscopic approach for median arcuate ligament syndrome. ANZ J Surg 2022; 92:1742-1747. [PMID: 35104014 PMCID: PMC9545262 DOI: 10.1111/ans.17514] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Revised: 12/31/2021] [Accepted: 01/11/2022] [Indexed: 12/24/2022]
Abstract
Background Median arcuate ligament syndrome (MALS) is a rare disorder characterized by the compression of the coeliac trunk and plexus by fibrous arches of the median ligament. It commonly occurs in young women with postprandial epigastric pain, weight loss and nausea. We present a single surgeon experience on the diagnostic approach and management of MALS with a focus on laparoscopic surgery. Methods A retrospective review of adult patients diagnosed with MALS during a 10‐year period (2011–2021) was conducted at Bankstown‐Lidcombe hospital in New South Wales, Australia. Results MALS was diagnosed in six patients (mean 46 years, range: 27–74 years old), all confirmed on mesenteric duplex ultrasound and computed tomography angiography. The most common presentations were women with post‐prandial pain, exercise induced pain and an average weight loss of 14.5 kg. The median interval from onset of symptoms to surgical referral was 10.5 months. The average BMI was 24.1 kg/m2 and most had a grade III American Society of Anaesthesiologist physical status. All patients underwent laparoscopic release of median arcuate ligament with one patient requiring endovascular stenting. The mean operative time was 119 minutes with two minor post‐operative complications, but no mortalities. The median hospital length of stay was 3.5 days with a median follow up of 3.5 years. Conclusion Laparoscopic median arcuate ligament release with endovascular support for selected cases provides sound clinical resolution of symptoms and long‐term results.
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Affiliation(s)
- Jason Diab
- Department of General Surgery, Bankstown Lidcombe Hospital, Sydney, New South Wales, Australia.,School of Medicine, University of Notre Dame, Sydney, New South Wales, Australia.,School of Medicine, University of New South Wales, Sydney, New South Wales, Australia
| | - Vanessa Diab
- School of Medicine, University of Notre Dame, Sydney, New South Wales, Australia
| | - Christophe R Berney
- Department of General Surgery, Bankstown Lidcombe Hospital, Sydney, New South Wales, Australia.,School of Medicine, University of New South Wales, Sydney, New South Wales, Australia
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11
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Meyyappan M, Sharma P, Mathapati P, Vatsan K. Dunbar (or median arcuate ligament) syndrome: A case series. JOURNAL OF CLINICAL SCIENCES 2022. [DOI: 10.4103/jcls.jcls_50_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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12
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Sultan SA, Acharya Y, Mustafa M, Hynes N. Two Decades of Experience With Chronic Mesenteric Ischaemia and Median Arcuate Ligament Syndrome in a Tertiary Referral Centre: A Parallel Longitudinal Comparative Study. Cureus 2021; 13:e20726. [PMID: 35047313 PMCID: PMC8759710 DOI: 10.7759/cureus.20726] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/26/2021] [Indexed: 12/13/2022] Open
Abstract
Background Chronic mesenteric ischaemia (CMI) and median arcuate ligament syndrome (MALS) have similar clinical presentations with surgical intervention as the mainstay of treatment. However, surgical response varies and is unpredictable. Therefore, we aim to evaluate the technical and clinical success rates of selective revascularisation in older patients with CMI and younger patients with MALS undergoing arcuate ligament decompression with celiac sympathectomy. Methods We conducted a retrospective single-centre longitudinal comparative study of all the patients who underwent surgery for symptoms of CMI and MALS from December 2002 to 2020 at our tertiary referral vascular centre. Our primary outcome was symptom-free survival post-intervention. The secondary outcomes were perioperative mortality, technical success, and all-cause mortality at 17 years. Results We operated on 28 patients; 17 patients with CMI (revascularisations with bypass) and 11 with MALS (decompression and celiac sympathectomy). All (100%) patients had technical success. There was no perioperative mortality. All the MALS patients had symptom-free survival following the procedure throughout follow-up. In contrast, three patients with CMI complained of recurring abdominal pain even after one year of the surgery. However, there was no further weight loss and none of them required any intervention. Conclusion Stratified management of CMI with revascularisation and open surgical decompression with celiac sympathectomy in MALS are effective treatments with favourable long-term outcomes.
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Affiliation(s)
- Sherif A Sultan
- Vascular and Endovascular Surgery, Western Vascular Institute, Galway University Hospital, National University of Ireland, Galway, IRL.,Vascular and Endovascular Surgery, CORRIB-CÚRAM-Vascular Group, National University of Ireland, Galway, IRL
| | - Yogesh Acharya
- Vascular and Endovascular Surgery, Western Vascular Institute, Galway University Hospital, National University of Ireland, Galway, IRL
| | | | - Niamh Hynes
- Vascular and Endovascular Surgery, CORRIB-CÚRAM-Vascular Group, National University of Ireland, Galway, IRL
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13
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Sapra A, Franke J, Rahman R, Albers CE, Bhandari P. Fitting the Pieces of the Puzzle Together: A Case of Median Arcuate Ligament Syndrome. Cureus 2021; 13:e18384. [PMID: 34729265 PMCID: PMC8555921 DOI: 10.7759/cureus.18384] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/29/2021] [Indexed: 11/28/2022] Open
Abstract
Median arcuate ligament syndrome (MALS), also known as Dunbar syndrome, is one of the many rare vascular compression syndromes attributed to celiac trunk compression by the median arcuate ligament of the diaphragm, with presentations ranging from completely asymptomatic to myriad gastrointestinal symptoms, including chronic abdominal pain (CAP), post-prandial pain, nausea and vomiting, anorexia, early satiety, and subsequently weight loss. We present a case of a 50-year-old female presenting with ongoing multiple chronic gastrointestinal symptoms, later attributed to the marked narrowing of her celiac axis secondary by the median arcuate ligament.
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Affiliation(s)
- Amit Sapra
- Department of Family and Community Medicine, Southern Illinois University School of Medicine, Springfield, USA
| | - Jacob Franke
- Department of Family and Community Medicine, Southern Illinois University School of Medicine, Springfield, USA
| | - Rachel Rahman
- Department of Family and Community Medicine, Southern Illinois University School of Medicine, Springfield, USA
| | - Christine E Albers
- Department of Family and Community Medicine, Southern Illinois University School of Medicine, Springfield, USA
| | - Priyanka Bhandari
- Department of Family and Community Medicine, Southern Illinois University School of Medicine, Springfield, USA
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Clinico-pathologic findings in patients with median arcuate ligament syndrome (celiac artery compression syndrome). Ann Diagn Pathol 2021; 52:151732. [PMID: 33798927 DOI: 10.1016/j.anndiagpath.2021.151732] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Accepted: 03/19/2021] [Indexed: 12/11/2022]
Abstract
Median Arcuate Ligament Syndrome (MALS) is a rare entity characterized by severe post-prandial epigastric pain, nausea, vomiting, and/or weight loss. Symptoms have been attributed to vascular compression (celiac artery compression syndrome, CACS), but it remains controversial whether they could be secondary to neural compression. Literature review identified rare description of pathologic findings in surgery journals. The clinico-pathologic findings of four MALS patients who underwent robotic or laparoscopic surgery in our hospital are described. All our patients were female with a median age of 32.5 (range 25-55 years), and a median BMI of 23.5 kg/m2. They presented with chronic often post-prandial abdominal pain (4/4), nausea (3/4), emesis (2/4), anorexia (1/4), and weight loss (1/4). Two patients had a history of Crohn's disease. At intraoperative exploration, the celiac artery and adjacent nerves and ganglia were encased and partially compressed by fibrotic tissue in each patient. In each case laparoscopic excision of fibrotic tissue, celiac plexus and ligament division and was performed; celiac plexus nerve block was also performed in one patient. After surgical intervention, symptoms improved in three of the patients whose specimens show periganglionic and perineural fibrosis with proliferation of small nerve fibers. Our findings support neurogenic compression as a contributing factor in the development of pain and other MALS symptoms, and favor the use of MALS rather than CACS as diagnostic terminology. To further study the pathogenesis of this unusual syndrome, surgeons should submit all tissues excised during MALS procedures for histopathologic examination.
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Römer C, Fischer T, Haase O, Möckel M, Hamm B, Lerchbaumer MH. Assessment of celiac artery compression using color-coded duplex sonography. Clin Hemorheol Microcirc 2021; 76:413-423. [PMID: 32675404 DOI: 10.3233/ch-200903] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
BACKGROUND Median arcuate ligament syndrome (MALS) is a rare condition due to compression of the celiac artery (CA) by an anatomically abnormal median arcuate ligament. With ultrasonography (US) as first-line diagnostic modality in patients with unclear abdominal pain, there is limited data on its diagnostic performance in MALS. OBJECTIVE To investigate the value of CA peak systolic velocity (PSV) in the workup of patients with suspected MALS. METHODS Patients with diagnosis of MALS between 2009 and 2019 were referred by Department of Visceral Surgery after clinical and gastroenterological workup. Diagnosis was confirmed by surgery or further cross-sectional imaging. B-mode US findings and PSV in the CA during various respiratory states were compared between patients with a final MALS diagnosis and patients not meeting the diagnostic criteria. RESULTS Patients with proven MALS (n = 10) had higher median CA PSV during normal inspiratory breath-hold (239 [IQR, 159-327] vs. 138 [IQR, 116-152] cm/s; p < #x003C;< #x200A;0.001), and expiratory breath-hold (287 [IQR, 191-412] vs. 133 [IQR, 115-194] cm/s; p < #x003C;< #x200A;0.001) compared to patients without MALS (n = 26). CA PSV in both inspiratory breath-hold (AUC 0.88, 95% CI 0.77-1.00) and expiratory breath-hold (AUC 0.89, 95% CI 0.78-1.00) was of diagnostic value for confirming MALS. The best diagnostic performance (100% sensitivity, 80% specificity) was found for the combination of CA PSVexpiration + 2.4 · PSVinspiration > 550 cm/s . CONCLUSIONS Since results on optimal cutoff values are inconsistent, a combination of CA PSVs during breathing maneuvers may help to diagnose or rule out MALS.
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Affiliation(s)
- Claudia Römer
- Department of Emergency Medicine (CVK, CCM) and Department of Cardiology (CVK), Charité Universitiy Medicine, Berlin, Germany
| | - Thomas Fischer
- Department of Radiology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin, Germany
| | - Oliver Haase
- Department of General, Visceral and Transplantation Surgery, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin, Germany
| | - Martin Möckel
- Department of Emergency Medicine (CVK, CCM) and Department of Cardiology (CVK), Charité Universitiy Medicine, Berlin, Germany
| | - Bernd Hamm
- Department of Radiology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin, Germany
| | - Markus Herbert Lerchbaumer
- Department of Radiology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin, Germany
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Kafadar MT, Oguz A, Aday U, Bilge H, Basol Ö. Median arcuate ligament (Dunbar) syndrome: Laparoscopic management and clinical outcomes of a single centre. J Minim Access Surg 2021; 17:363-368. [PMID: 33885017 PMCID: PMC8270033 DOI: 10.4103/jmas.jmas_265_20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Background: Median arcuate ligament syndrome (MALS) is a condition characterised by chronic abdominal symptoms associated with median arcuate ligament (MAL) compression of the coeliac artery. Aim: In this observational study, we aimed to evaluate the outcomes of laparoscopic treatment in patients with MALS. Materials and Methods: The data of ten patients with MALS who were subjected to laparoscopic sectioning of the MAL were retrospectively reviewed. The following data were evaluated: age, gender, clinical and diagnostic test findings, American Society of Anaesthesiologists score, operative findings and complications and mortality, hospital stay duration and hospital readmission. The diagnosis of MALS was established by computed tomography (CT) angiography. Results: Six (60%) of ten patients with MALS were female and four (40%) were male. The mean age was 42.4 ± 12.3. The main symptoms were epigastric pain (100%) and weight loss (60%). CT angiography showed high-grade stenosis of the anterior wall of the proximal coeliac trunk and post-stenotic dilation caused by extrinsic compression of the MAL. Surgical procedure was uneventful in all patients. Operating time was 155.5 min (120–200) and intra-operative blood loss was 150 ml (100–250). Length of stay was 3.1 day (2–9), with no mortality. The post-operative complications developed in two female patients. One of them developed ileus and the other patient developed pulmonary thromboembolism. At 6-month follow-up, all patients were asymptomatic. Conclusion: Laparoscopic decompression is an effective treatment for MALS and can provide symptomatic relief. This method may be the preferred modality of treatment in view of its lack of morbidity and good results.
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Affiliation(s)
- Mehmet Tolga Kafadar
- Department of General Surgery, Dicle University School of Medicine, Diyarbakır, Turkey
| | - Abdullah Oguz
- Department of General Surgery, Dicle University School of Medicine, Diyarbakır, Turkey
| | - Ulas Aday
- Department of Gastrointestinal Surgery, Dicle University School of Medicine, Diyarbakır, Turkey
| | - Hüseyin Bilge
- Department of General Surgery, Dicle University School of Medicine, Diyarbakır, Turkey
| | - Ömer Basol
- Department of General Surgery, Dicle University School of Medicine, Diyarbakır, Turkey
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Goodall R, Langridge B, Onida S, Ellis M, Lane T, Davies AH. Median arcuate ligament syndrome. J Vasc Surg 2020; 71:2170-2176. [DOI: 10.1016/j.jvs.2019.11.012] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Accepted: 11/03/2019] [Indexed: 12/11/2022]
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CT imaging findings of abdominopelvic vascular compression syndromes: what the radiologist needs to know. Insights Imaging 2020; 11:48. [PMID: 32185572 PMCID: PMC7078419 DOI: 10.1186/s13244-020-00852-z] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Accepted: 02/21/2020] [Indexed: 12/11/2022] Open
Abstract
Abdominopelvic vascular compression syndromes include a variety of uncommon conditions characterized by either extrinsic compression of blood vessels by adjacent anatomical structures (i.e., median arcuate ligament syndrome, nutcracker syndrome, May-Thurner syndrome) or compression of hollow viscera by adjacent vessels (i.e., superior mesenteric artery syndrome, ureteropelvic junction obstruction, ureteral vascular compression syndromes, portal biliopathy). These syndromes can be unexpectedly diagnosed even in asymptomatic patients and the predisposing anatomic conditions can be incidentally discovered on imaging examinations performed for other indications, or they can manifest with atypical abdominal symptoms and acute complications, which may lead to significant morbidity if unrecognized. Although computed tomography (CT) is an accurate noninvasive technique for their detection, the diagnosis remains challenging due to the uncommon clinical presentation and often overlooked imaging features. Dynamic imaging may be performed in order to evaluate patients with inconstant symptoms manifesting in a specific position. The purposes of this paper are to review the CT imaging findings of abdominopelvic vascular compression syndromes, correlating with anatomical variants and to provide key features for the noninvasive imaging diagnosis.
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Abstract
PURPOSE OF REVIEW Mesenteric ischemia (MI), both acute (AMI) and chronic (CMI), is a challenging diagnosis to make, and early diagnosis and treatment are vital to improve outcomes. This manuscript summarizes the most up to date information on diagnosis and treatment of these disorders. RECENT FINDINGS There have been several significant advancements in the computed tomography (CT) diagnostic imaging as well as medical and endovascular management of AMI and CMI. In appropriate populations, endovascular interventions appear superior to open surgical management with lower mortality, morbidity, and cost of care. Efficient clinical identification and targeted testing are essential to diagnose AMI and CMI. Aggressive resuscitation and early endovascular (or in select cases, surgical) intervention improve outcomes in those with AMI. In those with CMI, considering this on the differential diagnosis and imaging appropriately can identify those that might benefit from intervention and halt progression to acute episodes.
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Affiliation(s)
| | - Paul Feuerstadt
- Division of Digestive Diseases, Yale University School of Medicine, New Haven, CT, USA. .,Gastroenterology Center of Connecticut, Yale University School of Medicine, Hamden, CT, USA.
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Bayat I, Wang J, Ho P, Bird D. Intravascular ultrasound-guided laparoscopic division of the median arcuate ligament. JOURNAL OF VASCULAR SURGERY CASES INNOVATIONS AND TECHNIQUES 2020; 6:147-151. [PMID: 32154471 PMCID: PMC7056607 DOI: 10.1016/j.jvscit.2020.01.011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/24/2019] [Accepted: 01/19/2020] [Indexed: 12/29/2022]
Abstract
Median arcuate ligament syndrome is a rare and poorly understood condition that can have a significant impact on the quality of life of patients. Diagnosis is often difficult and delayed because of the need to exclude other pathologic processes. Treatment strategies traditionally involve open or laparoscopic division of the median arcuate ligament, with or without vascular reconstruction. This report portrays a case of median arcuate ligament syndrome with compression of two visceral arteries and distal embolic complications. A novel hybrid technique is described using intravascular ultrasound technology to aid in laparoscopic median arcuate ligament division. This allowed real-time intravascular visualization of the compressive segment, guided release of the ligament fibers, and demonstrated confirmation of decompression.
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Affiliation(s)
- Iman Bayat
- Department of Vascular Surgery, Northern Health, Melbourne, Victoria, Australia
| | - Judy Wang
- Department of Vascular Surgery, Northern Health, Melbourne, Victoria, Australia
| | - Prahlad Ho
- Department of Hematology, Northern Health, Melbourne, Victoria, Australia
| | - David Bird
- Department of General Surgery, Northern Health, Melbourne, Victoria, Australia
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21
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The Roles of Celiac Trunk Angle and Vertebral Origin in Median Arcuate Ligament Syndrome. Diagnostics (Basel) 2020; 10:diagnostics10020076. [PMID: 32023842 PMCID: PMC7168915 DOI: 10.3390/diagnostics10020076] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2020] [Revised: 01/25/2020] [Accepted: 01/29/2020] [Indexed: 12/11/2022] Open
Abstract
Median arcuate ligament syndrome (MALS) is a rarely diagnosed condition resulting from compression of the celiac trunk (CT) by the median arcuate ligament (MAL) of the diaphragm. Ischemia due to reduced blood flow through the CT and/or neuropathic pain resulting from celiac ganglion compression may result in a range of gastrointestinal symptoms, including nausea, postprandial discomfort, and weight loss. However, the mechanism of compression and its anatomical correlates have been incompletely delineated. It has been hypothesized that CT angle of origination may be more acute in individuals with MALS. Here, frequency of anatomical variation in the MAL and CT were assessed in 35 cadaveric subjects (17M/18F), including the vertebral level of origin of CT and superior mesenteric artery (SMA), the distance between CT and MAL and SMA, the angles of origination of CT and SMA, the diameter at the CT base, and MAL/CT overlap. Females exhibited significantly higher rates of inferred MAL/CT overlap than males. Significant correlations were revealed between MAL/CT overlap and angles of origination of the CT and SMA. Vertebral level of origin of the CT in individuals with MAL/CT overlap was not significantly more superior than in those without. This study also revealed a significant relationship between MAL/CT overlap and angle of origination of the CT, which has clinical implications for understanding the anatomy associated with MALS.
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Patel MV, Dalag L, Weiner A, Skelly C, Lorenz J. Inability of conventional imaging findings to predict response to laparoscopic release of the median arcuate ligament in patients with celiac artery compression. J Vasc Surg 2019; 69:462-469. [DOI: 10.1016/j.jvs.2018.04.062] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2017] [Accepted: 04/27/2018] [Indexed: 12/19/2022]
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Heo S, Kim HJ, Kim B, Lee JH, Kim J, Kim JK. Clinical impact of collateral circulation in patients with median arcuate ligament syndrome. ACTA ACUST UNITED AC 2018; 24:181-186. [PMID: 30091707 DOI: 10.5152/dir.2018.17514] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
PURPOSE We aimed to analyze computed tomography (CT) findings and medical records of patients diagnosed with median arcuate ligament syndrome (MALS) and evaluate possible risk factors associated with vascular complications that develop in patients with MALS. METHODS This retrospective study was approved by the institutional review board, and the requirement to obtain informed consent was waived. A total of 37 consecutive patients were diagnosed with MALS using both axial and sagittal CT reconstruction imaging at a single institution over a 7-year period. Dynamic contrast-enhanced CT data, medical records, and angiography results were reviewed. RESULTS Thirty-two (86.5%) patients were asymptomatic and incidentally diagnosed with MALS using CT. Seventeen (45.9%) patients exhibited significant arterial collateral circulations and nine (24.3%) were found to have splanchnic artery aneurysms, including one (2.7%) with acute bleeding secondary to aneurysm rupture. Peripancreatic vascular network including pancreaticoduodenal arcades and dorsal pancreatic artery was the most common site for development of both collateral circulations (16/22, 72.7%) and aneurysms (9/16, 56.3%). Splanchnic artery aneurysms were significantly more common in patients with collateral circulations (8/17, 47.1%) compared with those without collateral circulations (1/20, 5%) (P < 0.01). At least one peripancreatic vascular aneurysm was found in five of nine patients with splanchnic artery aneurysms (55.6%). CONCLUSION Splanchnic artery aneurysms are not uncommon in asymptomatic patients with collateral circulations caused by significant celiac trunk stenosis or obstruction due to median arcuate ligament. Therefore, careful imaging evaluation is necessary in patients with peripancreatic collateral circulations associated with MALS and regular follow-up is recommended for possibility of aneurysm development and rupture. Prophylactic endovascular treatment should be specifically performed in patients with pancreaticoduodenal arcade aneurysms to prevent life-threatening aneurysm rupture regardless of size.
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Affiliation(s)
- Subin Heo
- Department of Radiology, Ajou University School of Medicine, Suwon, Korea
| | - Hye Jin Kim
- Department of Radiology, Ajou University School of Medicine, Suwon, Korea
| | - Bohyun Kim
- Department of Radiology, Ajou University School of Medicine, Suwon, Korea
| | - Jei Hee Lee
- Department of Radiology, Ajou University School of Medicine, Suwon, Korea
| | - Jinoo Kim
- Department of Radiology, Ajou University School of Medicine, Suwon, Korea
| | - Jai Keun Kim
- Department of Radiology, Ajou University School of Medicine, Suwon, Korea
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Podda M, Gusai GP, Balestra F, Argenio G, Pulighe F, Di Saverio S, De Nisco C. Robotic-assisted approach to Median Arcuate Ligament Syndrome with left gastric artery originating directly from the aorta. Report of a case and review of the current mini-invasive treatment modalities. Int J Med Robot 2018; 14:e1919. [DOI: 10.1002/rcs.1919] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2017] [Revised: 01/23/2018] [Accepted: 04/01/2018] [Indexed: 01/07/2023]
Affiliation(s)
- Mauro Podda
- Department of General, Emergency and Robotic Surgery; San Francesco Hospital; Italy
| | - Gian Pietro Gusai
- Department of General, Emergency and Robotic Surgery; San Francesco Hospital; Italy
| | - Francesco Balestra
- Department of General, Emergency and Robotic Surgery; San Francesco Hospital; Italy
| | - Giulio Argenio
- Department of General and Oncological Surgery; SS Antonio e Biagio e Cesare Arrigo Hospital; Alessandria Italy
| | - Fabio Pulighe
- Department of General, Emergency and Robotic Surgery; San Francesco Hospital; Italy
| | - Salomone Di Saverio
- Maggiore Hospital Regional Emergency Surgery and Trauma Center, Bologna Local Health District Bologna, Italy and Consultant Surgeon; Addenbrookes Hospital - University of Cambridge; UK
| | - Carlo De Nisco
- Department of General, Emergency and Robotic Surgery; San Francesco Hospital; Italy
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