针对上部胃肠道出血的新型可吞出血传感器的临床前研究
Kimberly F Schuster1, Christopher C Thompson2, Marvin Ryou2
1Department of Medicine, Tufts University School of Medicine, Boston, MA, USA.
Clinical endoscopy
|May 30, 2023
概括
药丸感应系统,一种可吞的传感器,在模拟模型中准确地检测到上部胃肠道出血 (UGIB). 这种非侵入性设备对实时UGIB检测充满希望,有可能改善患者的护理.
科学领域:
- 胃肠病学 胃肠病学
- 医疗器械 医疗器械
- 诊断技术 诊断技术的使用
背景情况:
- 上部胃肠道出血 (UGIB) 带来了重大的诊断挑战.
- 早期识别和干预对于管理这种危及生命的疾病至关重要.
- 目前的方法在风险分层和内镜定时方面存在局限性.
研究的目的:
- 评估PillSense系统的安全性和性能.
- 评估可摄入传感器的实时血液检测能力.
- 在模拟的上部胃肠道出血模型中验证设备.
主要方法:
- 一项临床前研究使用了体内猪模型 (14只动物).
- 药丸感应囊通过内镜被放置在胃中.
- 模拟出血是通过注射血液到胃中来实现的.
主要成果:
- 所有的PillSense传感器都成功检测出血的存在或不存在.
- 该系统检测到血液度在9%至22.5%之间.
- 所有传感器都安全地从胃肠道自然排泄出来.
结论:
- 药丸感应系统在各种血度中可靠检测UGIB.
- 这种可食用的设备提供实时UGIB检测.
- PillSense有可能补充UGIB的当前诊断标准.
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