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Faecal calprotectin and ultrasonography as non-invasive screening tools for detecting colorectal polyps in children with sporadic rectal bleeding: a prospective study.
Italian Journal of Pediatrics ( IF 3.6 ) Pub Date : 2020-05-20 , DOI: 10.1186/s13052-020-00828-1
Giovanni Di Nardo 1 , Francesco Esposito 2 , Chiara Ziparo 1 , Caterina Strisciuglio 3 , Francesca Vassallo 1 , Marco Di Serafino 4 , Maria Pia Villa 1 , Pasquale Parisi 1 , Melania Evangelisti 1 , Claudia Pacchiarotti 1 , Vito Domenico Corleto 5
Affiliation  

BACKGROUND Colorectal polyps are reported in 6,1% of paediatric colonoscopies and in 12% of those performed for lower gastrointestinal bleeding. Although colonoscopy is widely used in paediatric patients, it requires bowel preparation and general anaesthesia or deep sedation, and in rare cases, it can cause complications. Non-invasive screening techniques able to predict polyps in children with isolated and sporadic rectal bleeding may play a key role in the selection of patients needing colonoscopy. METHODS We enrolled all children undergoing colonoscopy for isolated and sporadic rectal bleeding to determine the diagnostic accuracy of faecal calprotectin, ultrasonography (US) and digital rectal examination as diagnostic methods for screening colorectal polyps. RESULTS A total of 26 of 59 enrolled patients (44.1%) had colonic polyps, one patient had multiple polyps, and 23% of children had polyps proximal to the splenic flexure. The diagnostic accuracy of faecal calprotectin for detecting colorectal polyps was 96.6%, with a sensitivity of 100%. False-positive faecal calprotectin was shown in 2 patients with non-steroidal anti-inflammatory drug-related lesions. The diagnostic accuracy of ultrasound was 77.9%. Polyps not seen with ultrasound tended to be relatively smaller (1.5 vs 2.3, p = 0.001) and located in the rectum. The combined use of FC, US and digital rectal examination obtained a specificity and PPV of 100%. CONCLUSIONS FC combined with US and digital rectal examination is a good and promising non-invasive screening test for detecting colorectal polyps in children with isolated and sporadic rectal bleeding.

中文翻译:

粪便钙卫蛋白和超声检查作为检测散发性直肠出血儿童结直肠息肉的非侵入性筛查工具:一项前瞻性研究。

背景技术据报道,有6.1%的小儿结肠镜检查和12%的下消化道出血手术中有结直肠息肉。尽管结肠镜检查在儿科患者中广泛使用,但它需要肠道准备和全身麻醉或深度镇静,在极少数情况下,它可能会引起并发症。能够预测患有孤立性和散发性直肠出血的儿童的息肉的非侵入性筛查技术可能在选择需要结肠镜检查的患者中起关键作用。方法我们招募了所有接受结肠镜检查的儿童以进行孤立性和偶发性直肠出血,以确定粪便钙卫蛋白,超声检查(US)和直肠指检作为筛查大肠息肉的诊断方法的诊断准确性。结果59例患者中共有26例(44.1%)患有结肠息肉,1名患者有多个息肉,而23%的儿童在脾弯曲处有息肉。粪便钙卫蛋白对大肠息肉的诊断准确性为96.6%,灵敏度为100%。2例非甾体类抗炎药相关病灶的患者显示假阳性粪便钙卫蛋白。超声的诊断准确性为77.9%。超声未见到的息肉往往相对较小(1.5比2.3,p = 0.001),位于直肠内。FC,US和直肠指检结合使用可获得100%的特异性和PPV。结论FC与US结合数字直肠检查相结合是一种很好的,很有前途的无创筛查方法,可用于检测散发性和散发性直肠出血儿童的结直肠息肉。23%的儿童在脾曲折附近有息肉。粪钙卫蛋白对大肠息肉的诊断准确性为96.6%,灵敏度为100%。2例非甾体类抗炎药相关病灶的患者显示假阳性粪便钙卫蛋白。超声的诊断准确性为77.9%。超声未见到的息肉往往相对较小(1.5比2.3,p = 0.001),位于直肠内。FC,US和直肠指检结合使用可获得100%的特异性和PPV。结论FC与US结合数字直肠检查相结合是一种很好的,很有前途的无创筛查方法,可用于检测散发性和散发性直肠出血儿童的结直肠息肉。23%的儿童在脾曲折附近有息肉。粪钙卫蛋白对大肠息肉的诊断准确性为96.6%,灵敏度为100%。2例非甾体类抗炎药相关病灶的患者显示假阳性粪便钙卫蛋白。超声的诊断准确性为77.9%。超声未见到的息肉往往相对较小(1.5比2.3,p = 0.001),位于直肠内。FC,US和直肠指检结合使用可获得100%的特异性和PPV。结论FC与US结合数字直肠检查相结合是一种很好的,很有前途的无创筛查方法,可用于检测散发性和散发性直肠出血儿童的结直肠息肉。粪钙卫蛋白对大肠息肉的诊断准确性为96.6%,灵敏度为100%。2例非甾体类抗炎药相关病灶的患者显示假阳性粪便钙卫蛋白。超声的诊断准确性为77.9%。超声未见到的息肉往往相对较小(1.5比2.3,p = 0.001),位于直肠内。FC,US和直肠指检结合使用可获得100%的特异性和PPV。结论FC与US结合数字直肠检查相结合是一种很好的,很有前途的无创筛查方法,可用于检测散发性和散发性直肠出血儿童的结直肠息肉。粪便钙卫蛋白对大肠息肉的诊断准确性为96.6%,灵敏度为100%。2例非甾体类抗炎药相关病变患者中显示假阳性粪便钙卫蛋白。超声的诊断准确性为77.9%。超声未见的息肉往往相对较小(1.5比2.3,p = 0.001),位于直肠内。FC,US和直肠指检结合使用可获得100%的特异性和PPV。结论FC与US结合数字直肠检查相结合是一种很好的,很有前途的无创筛查方法,可用于检测散发性和散发性直肠出血的儿童的结肠息肉。2例非甾体类抗炎药相关病变的患者中显示出假阳性的粪便钙卫蛋白。超声的诊断准确性为77.9%。超声未见的息肉往往相对较小(1.5比2.3,p = 0.001),位于直肠内。FC,US和直肠指检结合使用可获得100%的特异性和PPV。结论FC与US结合数字直肠检查相结合是一种很好的,很有前途的无创筛查方法,可用于检测散发性和散发性直肠出血儿童的结直肠息肉。2例非甾体类抗炎药相关病变患者中显示假阳性粪便钙卫蛋白。超声的诊断准确性为77.9%。超声未见的息肉往往相对较小(1.5比2.3,p = 0.001),位于直肠内。FC,US和直肠指检结合使用可获得100%的特异性和PPV。结论FC与US结合数字直肠检查相结合是一种很好的,很有前途的无创筛查方法,可用于检测散发性和散发性直肠出血儿童的结直肠息肉。
更新日期:2020-05-20
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