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相关概念视频

Assessment of the Rectum and Anus01:25

Assessment of the Rectum and Anus

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Evaluating the rectum and anus plays a crucial role in conducting a thorough physical examination of the gastrointestinal system. Although it may be uncomfortable and often embarrassing for the patient, it holds immense diagnostic value, particularly in detecting gastrointestinal diseases and abnormalities. This guide will explain how to perform this assessment using inspection and palpation methods.
Rectal Inspection
Begin by inspecting the perianal and anal areas for color, texture, rashes,...
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Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy01:26

Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy

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This lesson explores three gastrointestinal imaging techniques: radionuclide testing, colonic transit studies, and virtual colonoscopy.
Radionuclide Testing
Radionuclide testing is a sophisticated medical technique for assessing gastrointestinal motility. It focuses on gastric emptying and colonic transit time. Radioactive markers track the movement of food through the digestive system, providing insights into gastrointestinal disorders.
In gastric emptying studies, a meal's liquid and...
357

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相关实验视频

Updated: Jan 11, 2026

E-Patient Counseling Trial E-PACO: Computer Based Education versus Nurse Counseling for Patients to Prepare for Colonoscopy
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建模在提醒强度和导航中的权衡,用于大规模邮寄的便测试程序.

Jennifer C Spencer1, Nicole Kluz1, Virginia Mitchell1

  • 1Department of Population Health, Dell Medical School, University of Texas at Austin.

American journal of preventive medicine
|November 15, 2025
PubMed
概括

邮寄便检测有效地增加了结直肠癌 (CRC) 查. 患者导航具有成本效益,低强度提醒在预算限制范围内最大限度地发挥影响,优化CRC预防计划.

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科学领域:

  • 公共卫生 公共卫生
  • 医疗保健服务研究 医疗服务研究
  • 预防癌症 预防癌症

背景情况:

  • 邮寄便检测是提高结肠直肠癌 (CRC) 查率的经过验证的策略.
  • 扩大邮寄查计划需要仔细考虑覆盖范围,强度和预算.

研究的目的:

  • 检查邮寄CRC查计划的总覆盖范围,程序强度和预算影响之间的权衡.
  • 确定最佳策略,以有效地扩大邮寄的CRC查计划.

主要方法:

  • 基于人口的模拟模型被使用,反映了德克萨斯州在五年内检查不足的215,000名个人.
  • 进行比较的策略包括不同的提醒强度 (没有,低,高) 和增加患者导航员外展.
  • 在传统和预算受限制的框架下分析了200个概率场景.

主要成果:

  • 有患者导航的场景始终优于没有的场景.
  • 低强度提醒每次预防CRC病例需要108,000美元,而高强度提醒每次增加193,000美元.
  • 在1300万美元的预算中,导航与低强度提醒相结合,最大限度地提高了计划的总影响.

结论:

  • 在便检测结果呈阳性后优先考虑患者导航是预防CRC的成本效益高的策略.
  • 邮寄CRC查计划的最佳提醒策略取决于目标人群规模和可用的预算.