A Cross Sectional Study On Magnitude Of Incidental Vascular Compressions In Abdomen And Pelvic Ct Tikur Anbessa Hospital Addis Abeba Ethiopia

Background:Certain abdominopelvic vascular structures may be compressed by adjacentrnanatomic structures or may cause compression of adjacent hollow viscera. The knowledge ofrnthese CT patterns of compression is also important because they may be asymptomatic; whenrnsymptomatic, however, they can lead to a variety of uncommonsyndromes in the abdomenrnand pelvis, including median arcuate ligament syndrome, May-Thurner syndrome, nutcrackerrnsyndrome, superior mesenteric artery syndrome, uretero-pelvic junction obstruction, ovarianrnvein syndrome, and other forms of ureteral compression. Computed tomography isrnparticularly useful in that it allows a comprehensive single-studyevaluation of the anatomyrnand resultant morphologic changes. rnObjective: To describe Abdominopelvic vascular compressions incidentally found onrncomputed tomography.rnMethod: Hospital based prospective cross sectional study was conducted at TikurAnbessarnSpecialized Hospital who undergo computed tomography scan of the abdomen betweenrnJanuary and April 2019. The study population was all patients who undergo computedrntomography scan of the abdomen .Data was collected by evaluating abdominal ComputedrnTomographic scans from Picture archiving and communication system. The data was checkedrnfor clarity and completeness. Computerized data analysis was conducted by using SPSSrnversion 25.0 software.rnResult:Out of 623 multi detector abdominopelvic CT (MDCT)performed between Januaryrn2019 and April 2019;a total of 513 (N = 513) patients were included in the study out of whichrn35(6.8%) had fulfilled imaging features of SMA compression and 33(6.4%) of the patientrnfulfilled imaging features of nutcracker phenomenon and 22(4.28%) of the patients showedrnceliac compression by MAL. This study group comprised 277 (54 %) females and 236 malern(46%) patients. Mean age of the patients was 38±20 (mean ± standard deviation).rnConclusion:Incidental SMA Compression of duodenum, MAL compression of celiac arteryrnand left renal vein compression by SMA are not uncommon and syndromic diagnosis should rnnot be made on radiologic diagnosis alone. The SMA compression and nutcracker sign arernusually seen together. High origin of celiac artery and low insertion of MAL are the main riskrnfactors for compression of celiac artery which were seen in previous studies as well

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