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相关概念视频

Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy01:26

Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy

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 solid...
Endoscopic Procedures III: Video Capsule Endoscopy01:28

Endoscopic Procedures III: Video Capsule Endoscopy

Capsule endoscopy, or wireless or video capsule endoscopy, is a diagnostic procedure for examining the entire gastrointestinal tract. Patients swallow a capsule about the size of a vitamin tablet. The capsule is equipped with a transmitter, a battery, an LED light source, and a color video camera to capture images throughout the gastrointestinal tract. This procedure is particularly useful for diagnosing conditions such as Crohn's disease, ulcerative colitis, tumors, polyps, ulcers, unexplained...
Upper GI Series: Barium Swallow01:24

Upper GI Series: Barium Swallow

The Barium Swallow Study, or a Barium Esophagogram, is a diagnostic imaging method used to visualize the upper gastrointestinal (GI) tract, including the esophagus, stomach, and small intestine. It employs barium sulfate, a radiopaque contrast material, to provide clear images of the upper digestive system, helping to identify abnormalities, diseases, or structural issues.
Purpose and Procedure
Patients undergoing this procedure ingest a liquid containing barium sulfate with a chalky...
Lower GI Series: Barium Enema01:23

Lower GI Series: Barium Enema

A Barium Enema, or a lower GI series, is a specialized radiographic examination designed to visualize the lower gastrointestinal tract, specifically the colon and rectum. This procedure is instrumental in diagnosing various conditions such as colorectal cancer, polyps, diverticulosis, and inflammatory bowel disease.
Procedure Details
The examination begins by inserting a lubricated rectal tube into the patient's rectum to administer a radiopaque barium solution. The barium flow is carefully...

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相关实验视频

Updated: May 10, 2026

Diagnosis of Neoplasia in Barrett’s Esophagus using Vital-dye Enhanced Fluorescence Imaging
06:55

Diagnosis of Neoplasia in Barrett’s Esophagus using Vital-dye Enhanced Fluorescence Imaging

Published on: May 11, 2014

减少视频光学速率是否会影响修改巴吞研究中的DIGEST成绩?

Shitong Mao1, Carla L Warneke2, Sheila N Buoy1

  • 1Department of Head and Neck Surgery, University of Texas MD Anderson Cancer Center, 1515 Holcombe Blvd., 77030, Houston, TX, USA.

Dysphagia
|May 16, 2025
PubMed
概括

吞毒性动态成像等级 (DIGEST) 系统可靠地评估吞安全性和效率,即使减少了修饰吞 (MBS) 率. 这一发现支持在临床实践中使用较低的率.

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08:32

Adapting Human Videofluoroscopic Swallow Study Methods to Detect and Characterize Dysphagia in Murine Disease Models

Published on: March 1, 2015

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06:55

Diagnosis of Neoplasia in Barrett’s Esophagus using Vital-dye Enhanced Fluorescence Imaging

Published on: May 11, 2014

Coordinate Mapping of Hyolaryngeal Mechanics in Swallowing
14:13

Coordinate Mapping of Hyolaryngeal Mechanics in Swallowing

Published on: May 6, 2014

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08:32

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科学领域:

  • 医疗成像医学成像
  • 语音语言病理学 语言病理学
  • 胃肠病学 胃肠病学

背景情况:

  • 修改巴吞 (MBS) 研究对于评估吞障碍至关重要.
  • 减少MBS的速率可能会影响吞安全性和效率等级的可靠性.
  • 减少率对吞毒性动态成像等级 (DIGEST) 系统的影响尚不清楚.

研究的目的:

  • 评估DIGEST分级系统在降低率 (30,15和7.5 FPS) 下的可靠性.
  • 通过使用DIGEST系统来确定率变化是否会影响吞安全性和效率的评估.

主要方法:

  • 分析了来自278名患者的315个修改巴吞 (MBS) 视频,主要是那些患有头癌的人.
  • 在不同模拟速率 (30,15,7.5 FPS) 上对对比DIGEST等级及其组件 (安全,效率).
  • 使用权重科恩的卡帕和精确协议指标进行统计分析.

主要成果:

  • 权衡的科恩的卡帕值始终超过0.84,表明在所有率比较中"几乎完美"的一致性.
  • 对于所有DIGEST等级比较的准确一致性超过85%.
  • 无论测试的率如何,DIGEST系统都显示出高可靠性.

结论:

  • 吞毒性的动态成像等级 (DIGEST) 系统对率的变化具有强大耐受性.
  • 减少的速率不会影响DIGEST对吞安全性和效率的评估的可靠性.
  • 这些发现支持在临床MBS研究中潜在地使用较低的率,而不会牺牲诊断准确度.