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  • Title: Median Arcuate Ligament Syndrome-Review of This Rare Disease.
    Author: Kim EN, Lamb K, Relles D, Moudgill N, DiMuzio PJ, Eisenberg JA.
    Journal: JAMA Surg; 2016 May 01; 151(5):471-7. PubMed ID: 26934394.
    Abstract:
    IMPORTANCE: Median arcuate ligament (MAL) syndrome is a rare disease resulting from compression of the celiac axis by fibrous attachments of the diaphragmatic crura, the median arcuate ligament. Diagnostic workup and therapeutic intervention can be challenging. OBJECTIVE: To review the literature to define an algorithm for accurate diagnosis and successful treatment for patients with MAL syndrome. EVIDENCE REVIEW: A search of PubMed (1995-September 28, 2015) was conducted, using the key terms median arcuate ligament syndrome and celiac artery compression syndrome. FINDINGS: Typically a diagnosis of exclusion, MAL syndrome involves a vague constellation of symptoms including epigastric pain, postprandial pain, nausea, vomiting, and weight loss. Extrinsic compression of the vasculature and surrounding neural ganglion has been implicated as the cause of these symptoms. Multiple imaging techniques can be used to demonstrate celiac artery compression by the MAL including mesenteric duplex ultrasonography, computed tomography angiography, magnetic resonance angiography, gastric tonometry, and mesenteric arteriography. Surgical intervention involves open, laparoscopic, or robotic ligament release; celiac ganglionectomy; and celiac artery revascularization. There remains a limited role for angioplasty because this intervention does not address the underlying extrinsic compression resulting in symptoms, although angioplasty with stenting may be used in recalcitrant cases. CONCLUSIONS AND RELEVANCE: Median arcuate ligament syndrome is rare, and as a diagnosis of exclusion, diagnosis and treatment paradigms can be unclear. Based on previously published studies, symptom relief can be achieved with a variety of interventions including celiac ganglionectomy as well as open, laparoscopic, or robotic intervention.
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