摘要
目的:探讨通过超声测量幽门管内径诊断十二指肠胃反流(duodenogastric reflux,DGR)的临床意义.方法:选取在我院进行胃超声造影检查被诊断为DGR的患者68例作为病例组,依据反流时间及反流频率分为高反流组与低反流组,并与30例无DGR的检查者作对照,测量所有检查者的幽门管内径,分析其与反流时间及反流频率的关系,并绘制ROC曲线.结果:高反流组与低反流组的幽门管内径明显高于对照组,组间差异有统计学意义.幽门管内径与反流时间及反流频率呈正相关,相关系数分别为r=0.822和r=0.718(P<0.05).幽门管内径诊断DGR及诊段高反流患者的ROC曲线下面积分别为0.920和0.789.结论:通过测量幽门管内径有助于DGR的临床诊断.
Abstract
AIM:To investigate the significance of ultrasonic measurement of pyloric tube diameter in the diagnosis of duodenogastric reflux (DGR).METHODS:Sixty-eight patients diagnosed with duodenogastric reflux by contrast-enhanced ultrasound at our hospital were selected and divided into a high reflux group and a low reflux group on the basis of reflux time and frequency.Thirty subjects without DGR were used controls.All patients were subjected to measurement of pyloric tube diameter to analyze the relationship between pyloric tube diameter and reflux time and frequency.The ROC curve analysis was also performed.RESULTS:The pyloric tube diameter in both the high reflux and low reflux groups was significantly higher than that in the control group.The pyloric tube diameter was positively correlated with reflux time and frequency (r =0.822,0.718).ROC curve analysis revealed that the area under the curve (AUC) of duodenogastric reflux and high reflux was 0.920 and 0.789,respectively.CONCLUSION:Ultrasonic measurement ofpyloric canal diameter is useful for the clinical diagnosis of DGR.