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阴性视频胶囊内镜检查——下一步该怎么做?

Negative video capsule enteroscopy - what's the next step?

作者信息

Sousa Mafalda, Pinho Rolando, Rodrigues Adélia, Carvalho João

机构信息

Department of Gastroenterology, Centro Hospitalar Vila Nova de Gaia/Espinho, Vila Nova de Gaia, 4434-502 Porto, Portugal.

Department of Gastroenterology, Centro Hospitalar Vila Nova de Gaia/Espinho, Vila Nova de Gaia, 4434-502 Porto, Portugal.

出版信息

Gastroenterol Hepatol. 2018 Dec;41(10):663-669. doi: 10.1016/j.gastrohep.2018.06.003. Epub 2018 Jul 25.

Abstract

Video capsule endoscopy (VCE) is a reliable noninvasive method for examination of small-bowel mucosa. However, it has some limitations. The aim of this article was to review the approach in patients with negative VCE. It is clear that a negative VCE should be interpreted based on the indication. In suspected small bowel bleeding (SSBB), patients with ongoing/recurrent overt bleeding, or occult bleeders who experience significant declines in hemoglobin after a negative VCE should proceed small bowel study; on the other hand, patients with occult SSBB and only mild-moderate anemia should be managed with supportive care. In inflammatory bowel disease, a normal VCE has a very high sensitivity and negative predictive value. In small bowel tumor suspicion there is a high risk of false negative results, so another imaging modality should be considered. In polyposis syndromes, if VCE is negative, patients should continue screening within 2-3 years.

摘要

视频胶囊内镜检查(VCE)是一种用于检查小肠黏膜的可靠无创方法。然而,它有一些局限性。本文的目的是回顾VCE结果为阴性的患者的处理方法。很明显,VCE结果为阴性应根据适应证进行解读。在疑似小肠出血(SSBB)中,有持续/反复显性出血的患者,或VCE结果为阴性后血红蛋白显著下降的隐匿性出血者,应进行小肠检查;另一方面,隐匿性SSBB且仅有轻度至中度贫血的患者应给予支持性治疗。在炎症性肠病中,VCE结果正常具有很高的敏感性和阴性预测价值。在怀疑小肠肿瘤时,假阴性结果的风险很高,因此应考虑采用另一种成像方式。在息肉病综合征中,如果VCE结果为阴性,患者应在2至3年内继续进行筛查。

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