ĐẶC ĐIỂM HÌNH ẢNH VÀ GIÁ TRỊ CỦA CẮT LỚP VI TÍNH TRONG CHẨN ĐOÁN NGUYÊN NHÂN TẮC RUỘT NON TẠI THÀNH PHỐ CẦN THƠ NĂM 2022-2024

Abstract

Background: Bowel obstruction is a common surgical emergency, in which small bowel obstruction occurs 3 times more often than large bowel obstruction. Computerized tomography has been considered the main means of imaging diagnosis in bowel obstruction because of its speed and high accuracy. Objectives: To determine the imaging characteristics of small bowel obstruction and the value of computed tomography in diagnosing the cause. Materials and methods: Descriptive cross-sectional study, all patients who had computerized tomography of the abdomen with contrast injection and surgery with a clinical diagnosis of small bowel obstruction in Can Tho city from July 2022 to March 2024. Results: The study recorded 122 cases of small bowel obstruction (87 men and 35 women), ranging in age from 16 to 87. The most common causes were adhesions, bands and internal hernia. The two most common signs were dilated bowel loops (100%) and air fluid level (91.8%). Bird beak signs, whirlpool sign, and target signs accounted for a low rate but contributed to diagnose the cause. The causes of tumor, external hernia, and intussusception had high sensitivity and specificity of 100%. The remaining causes had a confidence interval for specificity in the range of 80 - 100%. Conclusions: Computed tomography has good value in diagnosing the cause of small bowel obstruction but still has low sensitivity in diagnosing bowel obstruction due to a number of causes such as volvulus, bandts and adhesions.