Abstract：【Objective】 To explore the application value of emulation defecography in the detection of functional constipation.【Methods】The clinical data of 85 patients with constipation from May 2015 to May 2017 were selected. Among them, 43 cases were examined by traditional barium defecography and 42 cases by virtual defecography. The results of different detection methods and the changes of indicators in the detection process were compared.【Results】The time of excretion emptying in patients with virtual defecography was (9.2±2.1) s, which was significantly higher than that in barium defecography (3.1±0.4) s (P<0.05). The viscosity of contrast agent used in emulation defecation was (239±10.3) g, and that of barium defecation was (15.1±3.2) g. The difference between the two groups was statistically significant (P<0.05). The contrast agent of barium excrement was liquid, while the contrast agent of simulated defecation was soft and semi-solid, which was striped out. The detection rate of functional constipation by virtual defecography was 96.5% (82/85), which was significantly higher than that of barium defecography (80.0%) (68 / 85), and the difference was statistically significant (χ2=4.617,P<0.05).【Conclusion】Virtual defecography can achieve more accurate results in clinical treatment of functional constipation. At the same time, the operation is simple, the price is low, and it is worthy of clinical application.
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2018, Vol. 35 
