磁共振电影成像在功能性消化不良疾病评估中的应用

doi:10.13481/j.1671-587x.20160237

Abstract

Abstract:

Objective: To explore the value of MR-cine for assessment of the duodenum peristalsis in the patients with functional dyspepsia. Methods: 25 patients with functional dyspepsia were selected according to the diagnostic criteria of Rome Ⅲ of functional gastrointestinal disorders(FGIDs) as case group and 25 cases of healthy volunteers who had been screened out in clinic were used as normal control group.After fasting for 8 h, supine position was performed.1.5TGEHDxMR was used to scan the coronal, axial and oblique coronal fast steady state precession (FIESTA) sequence of gastric and duodenal descending part.The images of 5 and 15 min after drinking 600mL mannitol solution (concentration 2.5%) were collected and sent to MR AW4.4 workstation.The duodenal motility in the patients with functional dyspepsia was measured by recording the times of duodenum and measuring and calculating the percentage occlusion of duodenum contractions (PDC).Results: After drinking mannitol, the oblique coronal scan of all subjects clearly displayed the anatomical structure and peristaltic wave of descending part of duodenum. After drinking 5 and 15min of mannitol, the peristaltic wave frequencies in case group were lower than those in normal control group. The descending duodenum PDC of the patients in case group was significantly lower than that in normal control group(P<0.01) 5 min after drinking. The PDC in normal control group 15 min after drinking was lower than 5 min (P<0.05); the duodenal PDC 15 min after drinking of mannitol had no statistical difference between case group and normal control group (P>0.05).Conclusion: MR-cine can evaluate preliminarly the duodenum peristalsis of the patients with functional dyspepsia.The diagnosis of FGIDs can be further studied by using the noninvasive MR-cine examination technique.

Key words: MR-cine, functional gastrointestinal disorders, duodenum peristalsis, percentage occlusion of duodenum contractions

CLC Number:

R445.2

ZHANG Mingyu, LI Jincheng, LAI Ying, CHENG Kailiang, ZHANG Mengchao. Application of MR-cine in evaluation on functional dyspepsia[J].Journal of Jilin University Medicine Edition, 2016, 42(02): 385-389.

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Application of MR-cine in evaluation on functional dyspepsia

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