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Original Article

Analysis of small bowel angioectasia in asymptomatic individuals depending on patients’ age and gender

ORCID Icon, ORCID Icon, ORCID Icon & ORCID Icon
Pages 1364-1369 | Received 13 Sep 2019, Accepted 29 Oct 2019, Published online: 18 Nov 2019
 

Abstract

Objectives: Small bowel angioectasia (SBA) plays an important role in the etiologies of obscure gastrointestinal haemorrhage. But the exact prevalence of the disease is unknown, especially in asymptomatic populations. Therefore, we aimed to evaluate the prevalence of asymptomatic angioectasia in the small bowel (SB) with magnetically controlled capsule gastroscopy (MCCG).

Methods: We retrospectively collected a multicentre clinical data of 508 asymptomatic patients who underwent MCCG from June 2018 to May 2019. Bowel cleanliness was rated as four grades according to the criteria, and the excellent or good preparation was classified as the adequate group. The detection rates of small bowel lesions were analysed according to the ages, genders and bowel preparations.

Results: A total of 508 individuals have completed the examination. There were 316 men and 192 women with an average age of 44.5 years old. The prevalence of SBA was 11.8% (95% CI: 9.0–14.6%). 70.0% of them were over 40 years old and 73.3% were male although there was no obvious disparity found in age and gender for the SBA. Most findings were located in the proximal small bowel (jejunum). The incidence of small bowel lesions was not related to bowel preparations (p > .05).

Conclusions: SBA is not uncommon in asymptomatic individuals. Age and gender may be risk factors for bleeding of angioectasia in the small bowel, but they seem to have little to do with the occurrence of it. MCCG showed no difference in ages, genders or bowel preparations of small bowel lesions among our study population.

Acknowledgements

All the authors have made great contributions to this article and had access to the study data and reviewed and approved the final manuscript.

Disclosure statement

The authors declare that they have no conflict of interest.

Additional information

Funding

This study was funded by the grants from Zhejiang Provincial Natural Science Foundation of China under [Grant No. LY16H030004].

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