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首页> 外文期刊>Pancreatology: official journal of the International Association of Pancreatology (IAP) ... [et al.] >Diagnostic efficacy of the secretin stimulation test for the Zollinger-Ellison syndrome: an intra-individual comparison using different dosages in patients and controls.
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Diagnostic efficacy of the secretin stimulation test for the Zollinger-Ellison syndrome: an intra-individual comparison using different dosages in patients and controls.

机译:分泌素刺激试验对Zollinger-Ellison综合征的诊断功效:在患者和对照中使用不同剂量进行的个体内部比较。

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摘要

BACKGROUND/AIMS: The secretin stimulation test is the principal diagnostic tool to identify Zollinger-Ellison syndrome (ZES). We investigated, by intra-individual comparison, which dose of secretin results in the highest diagnostic efficacy to identify the ZES. METHODS: Fifty-seven paired secretin stimulation tests, using both 0.26 microg/kg and 0.78 microg/kg secretin, performed in 13 ZES patients and 12 controls, were analyzed and the findings confirmed in a validation cohort. RESULTS: A gastrin increase of >100 ng/l was found to be the most sensitive and specific criterion for a positive test. Higher gastrin increases after 0.78 microg/kg compared to 0.26 microg/kg secretin contributed to a slightly more sensitive (82.9 vs. 80.5%) but less specific (68.8 vs. 81.3%) test. A validation cohort, with 98 tests using 0.26 microg/kg secretin in 21 ZES patients and 39 controls, provided similar results. In ZES patients with normal fasting serum gastrin levels (<100 ng/l), there was no diagnostic benefit from the use of a higher secretin dose. Conclusions: The 0.26 microg/kg secretin stimulation test has the best diagnostic efficacy for the ZES. and IAP.
机译:背景/目的:促胰液素刺激试验是识别Zollinger-Ellison综合征(ZES)的主要诊断工具。通过个体内比较,我们研究了哪种剂量的促胰液素可导致鉴定ZES的最高诊断功效。方法:对13名ZES患者和12名对照进行了57次配对的促胰液素刺激试验,分别使用0.26微克/千克和0.78微克/千克的促胰液素进行了分析,并在验证队列中证实了发现。结果:发现胃泌素增加> 100 ng / l是阳性试验最敏感,最具体的标准。 0.78微克/千克后的胃泌素增加高于0.26微克/千克的促胰液素,这导致敏感性更高(82.9比80.5%),但特异性较低(68.8比81.3%)。一个验证队列,在21位ZES患者和39位对照中进行了98次使用0.26微克/千克促胰液素的测试,结果相似。在空腹血清胃泌素水平正常(<100 ng / l)的ZES患者中,使用更高的促胰液素剂量没有诊断益处。结论:0.26 microg / kg促胰液素刺激试验对ZES的诊断效果最好。和IAP。

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