Chu Zhi-Qiang, Ji Qian, Zhang Jia-Lin
Department of General Surgery, First Affiliated Hospital of China Medical University, Shenyang, Liaoning Province, China.
Abdom Imaging. 2010 Jun;35(3):367-71. doi: 10.1007/s00261-009-9514-y. Epub 2009 Apr 29.
The aim of this study was to determine the effectiveness of oral administration of lemon/orange juice in improving the visualization of pancreatic ducts on MRCP.
MRCP images were generated before and at every 15 min for 90 min after oral administration of lemon/orange juice in a dose of 2 ml/kg in 20 volunteers and 26 patients. The pre- and post-administration images were compared and analyzed qualitatively and quantitatively.
In 20 volunteers and 26 patients, the visualization at pancreatic duct of head, body, tail, accessory pancreatic duct, and branch duct was improved after juice administration. The diameter of pancreatic ducts was augmented, and the differences in the mean values before and after oral juice were highly significant at both sites in volunteers and patients (P < 0.01). In 20 volunteers and 26 patients, after juice administration, the best visualization of the pancreatic duct was achieved at (58.98 +/- 14.96) min and (59.41 +/- 13.79) min, respectively, and the overlap imaging of oral juice was especially observed at (42.86 +/- 10.92) min and (41.63 +/- 9.32) min, respectively.
Orally lemon/orange juice is an effective method to improve MRCP imaging of pancreatic ducts. The lemon/orange juice should be administered at 60 min prior to MRCP.
本研究的目的是确定口服柠檬/橙汁对改善磁共振胰胆管造影（MRCP）中胰管显影的效果。
20名志愿者和26名患者口服剂量为2 ml/kg的柠檬/橙汁，在服用前及服用后每15分钟采集90分钟的MRCP图像。对服用前后的图像进行定性和定量比较分析。
在20名志愿者和26名患者中，服用果汁后胰头、胰体、胰尾、副胰管和分支胰管的显影均得到改善。胰管直径增大，志愿者和患者两个部位口服果汁前后平均值的差异均具有高度显著性（P < 0.01）。在20名志愿者和26名患者中，服用果汁后胰管最佳显影分别在（58.98 ± 14.96）分钟和（59.41 ± 13.79）分钟时实现，口服果汁的重叠成像分别在（42.86 ± 10.92）分钟和（41.63 ± 9.32）分钟时尤其明显。
口服柠檬/橙汁是改善胰管MRCP成像的有效方法。应在MRCP检查前60分钟给予柠檬/橙汁。
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