一种磁性水凝,用于在尿路透镜检查期间有效地检索结石碎片
T Jessie Ge1,2, Daniel Massana Roquero1,2, Grace H Holton1
1Department of Urology, Stanford University, Stanford, CA, 94305, USA.
Nature communications
|June 22, 2023
概括
新的磁性水凝技术有助于检索残留的结石碎片,提高手术成功率和预防并发症. 这项创新提供了一个有前途的解决方案,以改善泌尿病学患者的治疗结果.
科学领域:
- 生物材料科学 生物材料科学
- 泌尿器科 泌尿器科 泌尿器科 泌尿器科
- 最少侵入性的手术
背景情况:
- 传统的结石手术的成功率有限,60-75%的人达到完全没有石头的状态.
- 剩余的石头碎片,即使<2mm,也可能导致高达30%的患者出现与石头有关的严重并发症.
研究的目的:
- 开发和评估一种新的磁性水凝,以有效地检索结石碎片.
- 评估磁性水凝的生物相容性和抗微生物特性.
主要方法:
- 石碎片被使用磁性水凝使得可磁化.
- 在体外测试了水凝与临床相关的石碎片的捕获效率.
- 在细胞培养物和尿上进行了细胞毒性测定,以及体内小鼠膀研究.
- 评估了针对常见泌尿病原体的抗菌活性.
主要成果:
- 磁性水凝在试验室中证明了结石碎片的强大捕获.
- 水凝成分在细胞培养中没有表现出细胞毒性,只对人类泌尿器和小鼠膀产生表面影响.
- 水凝对常见的泌尿病原体表现出显著的抗菌活性,与抗生素相当.
结论:
- 这种磁性水凝技术可以有效地检索结石碎片.
- 该方法有可能提高无石头率并减少患者的并发症.
- 水凝的生物相容性和抗微生物特性表明其在泌尿器科程序中的临床用途.
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