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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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Ghoneim B, Nash C, Akmenkalne L, Cremen S, Canning C, Colgan MP, O'Neill S, Martin Z, Madhavan P, O'Callaghan A. Staged treatment for pancreaticoduodenal artery aneurysm with coeliac artery revascularisation: Case report and systematic review. Vascular 2024; 32:162-178. [PMID: 36071691 DOI: 10.1177/17085381221124991] [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: 11/17/2022]
Abstract
BACKGROUND Despite being rare, pancreaticoduodenal artery aneurysms (PDAAs) carry a risk of rupture of up to 50% and are frequently associated with coeliac artery occlusion. METHODS PubMed and Embase databases were searched using appropriate terms. The systematic review was conducted according to PRISMA guidelines. RESULTS We present the case of a 2 cm pancreaticoduodenal artery aneurysm pre-operative angiography demonstrated that the coeliac artery was occluded and the pancreaticoduodenal artery was providing collateral blood supply to the liver. Treatment was a staged hybrid intervention inclusive of an aorto-hepatic bypass using a 6 mm graft, followed by coil embolisation of the aneurysm. We also present a systematic review of the management of PDAAs. Two hundred and ninety-two publications were identified initially with 81 publications included in the final review. Of the 258 peripancreatic aneurysms included, 175 (61%) were associated with coeliac artery disease either occlusion or stenosis. Abdominal pain was the main presentation in 158 cases. Rupture occurred in 111 (40%) of patients with only ten (3.8%) cases being unstable on presentation. Fifty (18%) cases were detected incidentally while investigating another pathology. Over half the cases (n=141/54.6%) were treated by trans arterial embolisation (TAE) alone, while 37 cases had open surgery only. Twenty-one cases needed TAE and a coeliac stent. Seventeen cases underwent hybrid treatment (open and endovascular). Sixteen cases were treated conservatively and in 26 cases, treatment was not specified. CONCLUSION PDAAs are commonly associated with coeliac artery disease. The most common presentation is pain followed by rupture. The scarcity of literature about true peripancreatic artery aneurysms associated with CA occlusive disease makes it difficult to assess the natural history or the appropriate treatment. Revascularisation of hepatic artery is better done with bypass in setting of median arcuate ligament compression and occluded celiac trunk.
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Affiliation(s)
- Baker Ghoneim
- Department of Vascular Surgery, St James Hospital, Dublin, Ireland
| | - Connor Nash
- Department of Vascular Surgery, St James Hospital, Dublin, Ireland
| | - Liga Akmenkalne
- Department of Vascular Surgery, St James Hospital, Dublin, Ireland
| | - Sinead Cremen
- Department of Vascular Surgery, St James Hospital, Dublin, Ireland
| | - Catriona Canning
- Department of Vascular Surgery, St James Hospital, Dublin, Ireland
| | - Mary P Colgan
- Department of Vascular Surgery, St James Hospital, Dublin, Ireland
| | - Sean O'Neill
- Department of Vascular Surgery, St James Hospital, Dublin, Ireland
| | - Zenia Martin
- Department of Vascular Surgery, St James Hospital, Dublin, Ireland
| | - Prakash Madhavan
- Department of Vascular Surgery, St James Hospital, Dublin, Ireland
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Borges AP, Antunes C, Donato P. Prevalence of celiac artery compression by median arcuate ligament in patients with splanchnic artery aneurysms/pseudoaneurysms submitted to endovascular embolization. Abdom Radiol (NY) 2023; 48:1415-1428. [PMID: 36801957 PMCID: PMC10115732 DOI: 10.1007/s00261-023-03844-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 01/29/2023] [Accepted: 01/30/2023] [Indexed: 02/21/2023]
Abstract
PURPOSE To study the association between median arcuate ligament compression (MALC) of celiac artery (CA) and splanchnic artery aneurysms/pseudoaneurysms (SAAPs) submitted to endovascular embolization. METHODS Single center retrospective study of embolized SAAPs between 2010 and 2021, to evaluate the prevalence of MALC, and compare demographic data and clinical outcomes between patients with and without MALC. As a secondary objective, patient characteristics and outcomes were compared between patients with different causes of CA stenosis. RESULTS MALC was found in 12.3% of 57 patients. SAAPs were more prevalent in the pancreaticoduodenal arcades (PDAs) in patients with MALC, compared to those without MALC (57.1% vs. 10%, P = .009). Patients with MALC had a greater proportion of aneurysms (71.4% vs. 24%, P = .020), as opposed to pseudoaneurysms. Rupture was the main indication for embolization in both groups (71.4% and 54% of patients with and without MALC, respectively). Embolization was successful in most cases (85.7% and 90%), with 5 immediate (28.6% and 6%) and 14 non-immediate (28.6% and 24%) post-procedure complications. Thirty and 90-day mortality rate were 0% in patients with MALC, and 14% and 24% in patients without MALC. Atherosclerosis was the only other cause of CA stenosis, in 3 cases. CONCLUSIONS In patients with SAAPs submitted to endovascular embolization, the prevalence of CA compression by MAL is not uncommon. The most frequent location for aneurysms in patients with MALC is in the PDAs. Endovascular management of SAAPs is very effective in patients with MALC, with low complications, even in ruptured aneurysms.
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Affiliation(s)
- Ana Paula Borges
- Medical Imaging Department, Coimbra University Hospitals, Coimbra, Portugal.
- Faculty of Medicine, University of Coimbra, Coimbra, Portugal.
- Academic and Clinical Centre of Coimbra, Coimbra, Portugal.
| | - Célia Antunes
- Medical Imaging Department, Coimbra University Hospitals, Coimbra, Portugal
- Academic and Clinical Centre of Coimbra, Coimbra, Portugal
| | - Paulo Donato
- Medical Imaging Department, Coimbra University Hospitals, Coimbra, Portugal
- Faculty of Medicine, University of Coimbra, Coimbra, Portugal
- Academic and Clinical Centre of Coimbra, Coimbra, Portugal
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Casey L, Gananadha S, Jones A. Ruptured Pancreaticoduodenal Artery Aneurysm with Median Arcuate Ligament Compression: A Two Staged Approach to Management. EJVES Vasc Forum 2022; 55:42-46. [PMID: 35515006 PMCID: PMC9062254 DOI: 10.1016/j.ejvsvf.2022.03.005] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 03/02/2022] [Accepted: 03/15/2022] [Indexed: 12/01/2022] Open
Abstract
Introduction Pancreaticoduodenal artery (PDA) aneurysms represent a small portion of rare visceral artery aneurysms. Rupture of these aneurysms results in fatal haemorrhage in up to 50% of cases, necessitating prompt endovascular or open intervention. As highlighted by a recent retrospective review, median arcuate ligament (MAL) release is an important part of management when these aneurysms are diagnosed in conjunction with median arcuate ligament compression (MALC). Two cases of successful urgent management of a ruptured inferior pancreatoduodenal artery aneurysm with staged MAL release are reported. Report A 65 year old male presented with a ruptured PDA aneurysm in the context of MALC. The patient was treated by emergency transcatheter arterial embolisation (TAE). Staged laparoscopic MAL release required open conversion and stenting one month after rupture. A 73 year old male presented to the same institution with a ruptured PDA aneurysm, again in the context of MALC. This patient was similarly managed by emergency TAE and later had an uncomplicated laparoscopic MAL release. On table mesenteric angiography confirmed successful release. Both patients have since recovered without any recurrence of bleeding or new aneurysm formation. Discussion Ruptured true PDA aneurysms, while uncommon, may be managed successfully using urgent endovascular techniques. Concomitant coeliac axis stenosis due to MALC requires secondary treatment and can be managed effectively using a staged approach following the urgent presentation. True PDA aneurysms may be associated with coeliac axis stenosis or occlusion. Ruptured true PDA aneurysms may result in fatal haemorrhage. Concomitant median arcuate ligament compression is a reversible cause of coeliac axis stenosis. Ligament release can be performed as a staged elective procedure following emergency treatment.
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Affiliation(s)
- Laura Casey
- The Canberra Hospital, Department of General Surgery, Yamba Drive, Garran, ACT, 2605, Australia
| | - Sivakumar Gananadha
- The Canberra Hospital, Department of General Surgery, Yamba Drive, Garran, ACT, 2605, Australia
- The Australian National University, Canberra, ACT, Australia
| | - Alister Jones
- The Canberra Hospital, Department of Vascular Surgery, Garran, ACT, 2605, Australia
- The Australian National University, Canberra, ACT, Australia
- Corresponding author. The Canberra Hospital, Yamba Drive, Garran, ACT, 2605, Australia.
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Combined treatment of an aortosplenic bypass followed by coil embolization in the treatment of pancreaticoduodenal artery aneurysms caused by median arcuate ligament compression: a report of two cases. Surg Case Rep 2021; 7:174. [PMID: 34347194 PMCID: PMC8339153 DOI: 10.1186/s40792-021-01260-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Accepted: 07/27/2021] [Indexed: 11/10/2022] Open
Abstract
Background Pancreaticoduodenal artery aneurysms (PDAAs) are rare visceral aneurysms, and prompt intervention/treatment of all PDAAs is recommended at the time of diagnosis to avoid rupture of aneurysms. Herein, we report two cases of PDAA caused by the median arcuate ligament syndrome, treated with surgical revascularization by aortosplenic bypass followed by coil embolization. Case presentation Case 1 A 54-year-old woman presented with a chief complaint of severe epigastralgia and was diagnosed with two large fusiform inferior PDAAs and celiac axis occlusion. To preserve the blood flow of the pancreatic head, duodenum, liver, and spleen, we performed elective surgery to release the MAL along with aortosplenic bypass. At 6 days postoperatively, transcatheter arterial embolization was performed. At the 8-year 6-month follow-up observation, no recurrent perfusion of the embolized PDAAs or rupture had occurred, including the non-embolized small PDAA, and the bypass graft had excellent patency. Case 2 A 39-year-old man who had been in good health was found to have a PDAA with celiac stenosis during a medical checkup. Computed tomography and superior mesenteric arteriography showed severe celiac axis stenosis and a markedly dilated pancreatic arcade with a large saccular PDAA. To preserve the blood flow of the pancreatic arcade, we performed elective surgery to release the MAL along with aortosplenic bypass. At 9 days postoperatively, transcatheter arterial embolization was performed. At the 6-year 7-month follow-up observation, no recurrent perfusion or rupture of the PDAA had occurred, and the bypass graft had excellent patency. Conclusion Combined treatment with bypass surgery and coil embolization can be an effective option for the treatment of PDAAs associated with celiac axis occlusion or severe stenosis.
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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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Inoue A, Ohta S, Imai Y, Murakami Y, Tomozawa Y, Sonoda A, Nitta N. Naturally shrunk visceral artery aneurysms by stenting for the superior mesenteric artery occlusion. MINIM INVASIV THER 2020; 30:245-249. [PMID: 32100596 DOI: 10.1080/13645706.2020.1732426] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
A 77-year-old woman who had experienced postprandial abdominal pain for four years was admitted to our institution presenting sudden and severe abdominal pain. Contrast-enhanced computed tomography (CECT) demonstrated complete short-segmented occlusion in the orifice of the superior mesenteric artery (SMA), and saccular aneurysms in the right hepatic artery and the anterior superior pancreaticoduodenal artery. She was diagnosed with abdominal angina due to occlusion of the SMA. The SMA was recanalized by stenting, and a CECT scan confirmed naturally shrunk aneurysms after eight months. The patency of the SMA was maintained at five years after endovascular treatment.
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Affiliation(s)
- Akitoshi Inoue
- Department of Radiology, Shiga University of Medical Science, Shiga, Japan
| | - Shinichi Ohta
- Department of Radiology, Shiga University of Medical Science, Shiga, Japan
| | - Yugo Imai
- Department of Radiology, Shiga University of Medical Science, Shiga, Japan
| | - Yoko Murakami
- Department of Radiology, Shiga University of Medical Science, Shiga, Japan
| | - Yuki Tomozawa
- Department of Radiology, Shiga University of Medical Science, Shiga, Japan
| | - Akinaga Sonoda
- Department of Radiology, Shiga University of Medical Science, Shiga, Japan
| | - Norihisa Nitta
- Department of Radiology, Shiga University of Medical Science, Shiga, Japan
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Gabrielli R, Bafile G, Filauri P, D'Elia M. Symptomatic Pancreaticoduodenal Artery Aneurysm in a Patient with Prior Aortic Surgery and Celiac Trunk Obstruction: Case Report. Ann Vasc Surg 2019; 61:471.e1-471.e2. [PMID: 31394213 DOI: 10.1016/j.avsg.2019.05.037] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2019] [Revised: 05/03/2019] [Accepted: 05/05/2019] [Indexed: 10/26/2022]
Abstract
Pancreaticoduodenal artery aneurysm (PDA) is a rare visceral aneurysm and represents 1.5% of all the visceral arterial aneurysms. An 81-year-old man was admitted with acute abdominal pain. He suffered 2 previous episodes of pancreatitis and underwent abdominal aortic aneurysm repair 11 years before. The computed tomography scan revealed a 92-mm aneurysm of inferior PDA artery with prerupture signs associated with the celiac trunk obstruction. The patient underwent a selective catheterization and embolization of superior PDA artery with coils, inferior PDA artery with 12-mm Amplatzer, and aneurysm sac embolization by Onyx and coils. The postoperative course was uneventful and the patient was discharged on the fourth postoperative day. Celiac trunk stenosis could be one of the possible etiology but atherosclerosis and pancreatitis are the 2 most common risk factors. Treatment of choice is yet to be established and it has to be properly defined "case by case"; surgery, endovascular embolization, or percutaneous thrombin injection are valuable approaches.
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Affiliation(s)
- Roberto Gabrielli
- Department of Vascular Surgery, SS Filippo e Nicola Hospital, Avezzano, Italy.
| | - Gennaro Bafile
- Department of Vascular Surgery, SS Filippo e Nicola Hospital, Avezzano, Italy
| | - Pietro Filauri
- Department of Interventional Radiology, SS Filippo e Nicola Hospital, Avezzano, Italy
| | - Marcello D'Elia
- Department of Vascular Surgery, SS Filippo e Nicola Hospital, Avezzano, Italy
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