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相关概念视频

Urinary Bladder01:23

Urinary Bladder

The urinary bladder is a hollow, muscular sac that temporarily stores urine before it is expelled from the body. It can hold approximately 600 mL of urine prior to micturition. The bladder is retroperitoneal and located behind the pubic symphysis in the pelvic floor.
In males, the bladder is situated in front of the rectum, while in females, it is positioned anterior to the vagina and uterus. The bladder floor contains an inverted triangular area called the trigone, defined by the two ureteric...

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相关实验视频

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The Use of Cystometry in Small Rodents: A Study of Bladder Chemosensation
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经过最少侵入性手术后,在老鼠中保存完好的尿膀解剖学.

Daniela Giaquinto1, Antonio Palladino2, Annunziata Cummaro3,4

  • 1Department of Veterinary Medicine and Animal Production, University of Naples Federico II, I-80137 Napoli, Italy.

Biomedicines
|February 26, 2025
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概括

本研究介绍了一种精细的外科小鼠模型,用于测试抗菌导管,保护器官微观架构和动物福利. 该模型成功地监测了与导管相关的尿路感染,而不会引起痛苦.

关键词:
动物模型动物模型抗生素耐药性 抗生素耐药性使用抗微生物涂层.导管 导管是指导管的导管.实验室动物 实验室动物医疗器械 医疗器械是一种医疗器械.尿囊微型架构 尿囊微型架构

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科学领域:

  • 生物医学工程 生物医学工程
  • 兽医外科 兽医外科 兽医外科
  • 传染性疾病 传染性疾病

背景情况:

  • 保持解剖学和微观架构的完整性对于可翻译的实验结果至关重要.
  • 动物研究中的精细化策略对于符合伦理和法律要求至关重要,减少了程序的严重性.
  • 抗微生物和抗生素膜涂导管的临床前测试需要强大的动物模型.

研究的目的:

  • 描述了一种精细的外科大鼠模型,用于评估功能化的导管.
  • 评估化涂层导管在预防导管相关尿路感染 (CAUTIs) 的有效性.
  • 通过优化术前和术后护理,确保动物福利和数据可翻译性.

主要方法:

  • 采用了精致的外科手术技术,将导管放置在膀光线中,避免尿道放置.
  • 采用超声波成像用于设备定位确认和超声波导向囊泡切割以收集无菌尿液.
  • 在7天和14天的观察期内,监测血液学和生物化学参数,以及临床分数.

主要成果:

  • 在任何实验组中都没有观察到痛苦或疾病的迹象.
  • 尿膀的组织学分析显示了保存的解剖结构和尿的微观架构.
  • 生物化学分析证实没有明显的炎症透.

结论:

  • 描述的模型为临床前CAUTI研究提供了一个精细的策略.
  • 它成功地保持了膀形态和尿膜的完整性,确保了动物的福利.
  • 该模型可以通过无菌尿收集在长期实验中有效监测尿路感染.