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  • Title: Nutcracker Syndrome as an Unusual Cause of Postprandial Pain.
    Author: Maloni KC, Calligaro KD, Lipshutz W, Vani K, Troutman DA, Dougherty MJ.
    Journal: Vasc Endovascular Surg; 2020 Apr; 54(3):283-285. PubMed ID: 31884879.
    Abstract:
    Nutcracker syndrome is a rare entity in which compression of the left renal vein (LRV), usually by the overlying superior mesenteric artery (SMA), results in renal venous congestion and reflux in the left ovarian vein (LOV). Patients may present with hematuria, left flank pain, dyspareunia, and vaginal or abdominal wall varicose veins. We report a patient with nutcracker syndrome who presented atypically with left flank pain that was exacerbated in the postprandial state. We hypothesize that the physiologic dilation of the SMA after oral intake caused increased LRV compression at that site and augmented lateral LRV distention. The patient had no evidence of SMA syndrome or chronic mesenteric insufficiency. Her symptoms resolved after we performed an LOV to inferior vena cava transposition.
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