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首页> 美国卫生研究院文献>World Journal of Gastroenterology >Diagnostic value of maximal-outer-diameter and maximal-mural-thickness in use of ultrasound for acute appendicitis in children
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Diagnostic value of maximal-outer-diameter and maximal-mural-thickness in use of ultrasound for acute appendicitis in children

机译：超声最大外径和最大壁厚在超声检查中对儿童急性阑尾炎的诊断价值

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AIM: To evaluate the maximal-outer-diameter (MOD) and the maximal-mural-thickness (MMT) of the appendix in children with acute appendicitis and to determine their optimal cut-off values to diagnose acute appendicitis.METHODS: In total, 164 appendixes from 160 children between 1 and 17 years old (84 males, 76 females; mean age, 7.38 years) were examined by high-resolution abdominal ultrasound for acute abdominal pain and the suspicion of acute appendicitis. We measured the MOD and the MMT at the thickest point of the appendix. Patients were categorized into two groups according to their medical records: patients who had surgery (surgical appendix group) and patients who did not have surgery (non-surgical appendix group). Data were analyzed by MedCalc v.9.3. The rank sum test (Mann-Whitney test) was used to evaluate the difference in the MOD and the MMT between the two groups. ROC curve analysis was used to determine the optimal cut-off value of the MOD and the MMT on diagnosis of acute appendicitis.RESULTS: There were 121 appendixes (73.8%) in the non-surgical appendix group and 43 appendixes (26.2%) in the surgical appendix group. The median MOD differed significantly between the two groups (0.37 cm vs 0.76 cm, P < 0.0001), and the median MMT also differed (0.15 cm vs 0.33 cm, P < 0.0001). The optimal cut-off value of the MOD and the MMT for diagnosis of acute appendicitis in children was > 0.57 cm (sensitivity 95.4%, specificity 93.4%) and > 0.22 cm (sensitivity 90.7%, specificity 79.3%), respectively.CONCLUSION: The MOD and the MMT are reliable criteria to diagnose acute appendicitis in children. An MOD > 0.57 cm and an MMT > 0.22 cm are the optimal criteria.
机译：目的：评估急性阑尾炎患儿阑尾的最大外径（MOD）和最大壁厚（MMT），并确定诊断急性阑尾炎的最佳临界值。方法：通过高分辨率腹部超声检查了160例1至17岁的儿童（男84例，女76例；平均年龄7.38岁）中的164例阑尾是否有急性腹痛和怀疑患有急性阑尾炎。我们在附录的最厚处测量了MOD和MMT。根据病历将患者分为两类：接受手术的患者（手术阑尾组）和不接受手术的患者（非手术阑尾组）。通过MedCalc v.9.3分析数据。秩和检验（Mann-Whitney检验）用于评估两组之间的MOD和MMT差异。结果：非手术阑尾组有121例阑尾（73.8％），非阑尾炎组有43例（26.2％）阑尾炎。外科阑尾组。两组之间的中值MOD差异显着（0.37 cm vs.0.76 cm，P <0.0001），中位数MMT也有差异（0.15 cm vs 0.33 cm，P <0.0001）。诊断儿童急性阑尾炎的MOD和MMT的最佳临界值分别为> 0.57 cm（敏感性95.4％，特异性93.4％）和> 0.22 cm（敏感性90.7％，特异性79.3％）。 MOD和MMT是诊断儿童急性阑尾炎的可靠标准。 MOD> 0.57 cm和MMT> 0.22 cm是最佳标准。

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