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Intractable Rare Dis Res. 2019 May;8(2):108-112. doi: 10.5582/irdr.2019.01031.

Laparoscopic treatment of median arcuate ligament syndrome.

Author information

1
General Surgery Department, Peking University Ninth School of Clinical Medicine (Beijing Shijitan Hospital, Capital Medical University), Beijing, China.

Abstract

Median arcuate ligament syndrome (MALS) refers to a clinical syndrome caused by compression of the median arcuate ligament due to the fibers of this ligament that connect the diaphragmatic crura on the two sides of the aortic foramina, forming the anterior edge of the aortic foramina. If MALS is suspected, invasive digital subtraction angiography and computed tomography angiography or magnetic resonance angiography (MRA) can be used to verify the location of the celiac trunk. A disrupted or increased blood flow in the proximal end of the celiac trunk can be detected with doppler ultrasound, indicating stenosis. Treatment needs to alleviate celiac trunk compression. A common procedure involves separation of the ligament fibers and other surrounding tissues around the beginning of the celiac trunk. This can be achieved by either laparotomy or laparoscopic surgery. Patient prognosis is good, with a cure rate of about 80%.

KEYWORDS:

Median arcuate ligament syndrome; laparoscopic treatment

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