Clinical study on the etiologic diagnosis method of small bowel obstruction

Abstract

Objective To evaluate the clinical value of computed tomography (CT) examination in the etiologic diagnosis of small bowel obstruction. Methods From January 2010 to September 2013, a total of 237 patients with small bowel obstruction confirmed by operation were enrolled. The clinical data of all patients were collected. The diagnostic value of color Doppler ultrasound and abdominal CT examination were compared in estimating site of obstruction, etiology of obstruction and strangulation obstruction. Chi square test was performed for count data comparison. Results Among 237 patients with small bowel obstruction, there were 121 patients with data of both color Doppler ultrasound and abdominal CT examination. After operation, it was comfirmed that the accurate diagnosis rates of abdominal CT scan in the site of obstruction, the etiology of obstruction and strangulation obstruction were 75.2% (91/121), 66.1% (80/121) and 87.2% (41/47), respectively, and which were higher than those of abdominal color ultrasound (44.6%, 54/121; 30.6%, 37/121 and 42.6%, 20/47). The differences were statistically significant (χ2=23.555, 30.595 and 20.593, all P<0.01). Conclusion The accurate diagnosis rates of abdominal CT scan in estimating the site of obstruction, the etiology of obstruction and strangulation obstruction were higher than those of color Doppler ultrasound, especially with obvious advantage in judging the etiology of obstruction. Key words: Small bowel obstruction; Diagnosis; Clinical study