Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

Acute Kidney Injury IV: Diagnostic Studies and Prevention01:30

Acute Kidney Injury IV: Diagnostic Studies and Prevention

215
Accurate diagnosis and effective prevention are critical in managing Acute Kidney Injury (AKI), which is linked to high mortality rates ranging from 10% to 80%. Timely recognition of at-risk patients and careful monitoring can significantly reduce the likelihood of kidney damage.Diagnostic Assessments:The diagnostic process starts with a comprehensive medical history to identify prerenal, intrarenal, and postrenal causes.Prerenal causes, such as dehydration, hypotension, or blood loss, should...
215
Acute Kidney Injury I: Introduction01:22

Acute Kidney Injury I: Introduction

435
Introduction:Acute Kidney Injury (AKI) describes a swift decrease in kidney function occurring over hours to days, characterized by the kidneys' failure to remove waste products from the bloodstream. This leads to dangerous complications like metabolic acidosis, fluid overload, and electrolyte imbalances, such as hyperkalemia, which can cause life-threatening arrhythmias. AKI is common in both hospital and outpatient settings, often triggered by dehydration, sepsis, or exposure to nephrotoxic...
435
Imaging Studies VII: Vascular Imaging01:19

Imaging Studies VII: Vascular Imaging

218
DefinitionRenal angiography, also known as renal arteriography, is an imaging technique used to obtain a comprehensive view of blood flow and the vascular structure of blood vessels in the kidneys and surrounding areas.PurposeRenal angiography detects blood vessel abnormalities in the kidneys, such as aneurysms, stenosis, thrombosis, vascular tumors, and renal artery stenosis. It evaluates kidney function and guides interventional treatments like angioplasty or stent placement.Pre-Procedure...
218
Imaging Studies V: Intravenous Urography and Retrograde Pyelography01:22

Imaging Studies V: Intravenous Urography and Retrograde Pyelography

822
IntroductionIntravenous Urography (IVU) and Retrograde Pyelography (RP) are important diagnostic imaging techniques used to evaluate the urinary system. These methods help identify structural abnormalities, obstructions, and functional issues in the kidneys, ureters, and bladder. Both procedures use iodine-based contrast media to enhance the visibility of urinary tract structures on X-ray images, though they differ in their methods and indications.1. Intravenous Urography (IVU)Intravenous...
822
Imaging Studies II: Ultrasonography01:24

Imaging Studies II: Ultrasonography

250
IntroductionUltrasonography, or renal ultrasound, is a noninvasive medical imaging technique that uses high-frequency sound waves to visualize the kidneys, ureters, bladder, and surrounding tissues.Indications for Urinary System UltrasonographyUrinary system ultrasonography is indicated in various clinical scenarios, such as:Kidney Stones (Urolithiasis): To detect and monitor the size and presence of kidney or urinary tract stones.Hydronephrosis: To assess the dilation of the renal pelvis and...
250
Imaging Studies I: Kidney, Ureter, and Bladder Studies01:28

Imaging Studies I: Kidney, Ureter, and Bladder Studies

189
Kidney, Ureter, and Bladder (KUB) StudiesKidney, Ureter, and Bladder (KUB) studies are standard diagnostic imaging procedures used to assess the anatomy of the urinary system. They are commonly utilized for patients experiencing abdominal pain or urinary symptoms. By using a simple X-ray of the abdomen, KUB studies can reveal structural and pathological abnormalities within the kidneys, ureters, and bladder. These studies are particularly valuable in diagnosing kidney stones, urinary...
189

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

Altered Cerebellar Spontaneous Activity and Its Association with Arousal Index in Comorbid Insomnia and Obstructive Sleep Apnea: A Resting-State fMRI Study.

Journal of clinical medicine·2026
Same author

Transcriptomic decoding of regional cortical vulnerability to drug-resistant epilepsy using 7T MRI.

Communications biology·2025
Same author

Glymphatic dysfunction as a potential driver of cerebral iron deposition in Parkinson's disease.

Brain communications·2025
Same author

Glymphatic Dysfunction Is Related to Comorbidity of Parkinson's Disease and Anxiety: A Multimodal MRI Study.

Brain and behavior·2025
Same author

Explainable Machine Learning for Estimating the Contrast Material Arrival Time in Computed Tomography Pulmonary Angiography.

Journal of thoracic imaging·2025
Same author

Genetic mechanisms underlying gray matter atrophy in Parkinson's disease: a combined transcriptome and neuroimaging study.

Cerebral cortex (New York, N.Y. : 1991)·2025

相关实验视频

Updated: Dec 26, 2025

Unilateral Ureteral Obstruction Model for Investigating Kidney Interstitial Fibrosis
04:57

Unilateral Ureteral Obstruction Model for Investigating Kidney Interstitial Fibrosis

Published on: April 25, 2025

442

在可变翻转角度和修改的Look-Locker倒置恢复之间进行比较研究,以评估间纤维化.

Chenchen Hua1, Yi Zhuang2, Miaoyan Wang2

  • 1Department of Diagnostic Radiology, The Affiliated Wuxi People's Hospital of Nanjing Medical University, Wuxi People's Hospital, Wuxi Medical Center, Nanjing Medical University, Wuxi, China.

Journal of magnetic resonance imaging : JMRI
|September 16, 2024
PubMed
概括

可变翻转角度 (VFA) 和修改的看锁反转恢复 (MOLLI) 两种方法都有效地评估慢性病中的间纤维化. 皮层甲状腺T1值在两种T1映射方法之间没有显著差异.

关键词:
T1映射 T1映射 T1映射 T1映射慢性脏疾病 慢性脏疾病纤维化 纤维化

更多相关视频

Using 2-Photon Microscopy to Quantify the Effects of Chronic Unilateral Ureteral Obstruction on Glomerular Processes
11:47

Using 2-Photon Microscopy to Quantify the Effects of Chronic Unilateral Ureteral Obstruction on Glomerular Processes

Published on: March 4, 2022

2.2K
Transdermal Measurement of Glomerular Filtration Rate in Mice
07:25

Transdermal Measurement of Glomerular Filtration Rate in Mice

Published on: October 21, 2018

21.8K

相关实验视频

Last Updated: Dec 26, 2025

Unilateral Ureteral Obstruction Model for Investigating Kidney Interstitial Fibrosis
04:57

Unilateral Ureteral Obstruction Model for Investigating Kidney Interstitial Fibrosis

Published on: April 25, 2025

442
Using 2-Photon Microscopy to Quantify the Effects of Chronic Unilateral Ureteral Obstruction on Glomerular Processes
11:47

Using 2-Photon Microscopy to Quantify the Effects of Chronic Unilateral Ureteral Obstruction on Glomerular Processes

Published on: March 4, 2022

2.2K
Transdermal Measurement of Glomerular Filtration Rate in Mice
07:25

Transdermal Measurement of Glomerular Filtration Rate in Mice

Published on: October 21, 2018

21.8K

科学领域:

  • 磁共振成像是一种磁共振成像技术.
  • 腎臟病學 (nephrology) 是一種醫學.
  • 放射学 放射学是一门学科.

背景情况:

  • 慢性病 (CKD) 的评估通常包括评估间位纤维化 (IF).
  • 可变翻转角度 (VFA) 和修改的看锁反转恢复 (MOLLI) 是用于非侵入性IF评估的常见T1映射技术.
  • 需要对VFA和MOLLI进行直接比较,以便对脏IF进行评估.

研究的目的:

  • 为了比较VFA和MOLLI对T1映射的诊断疗效,评估脏IF.
  • 为了确定VFA或MOLLI是否优于评估慢性病患者的间纤维化.

主要方法:

  • 这是一项前性研究,涉及51名CKD患者和18名健康志愿者.
  • 使用VFA (3D梯度回声) 和MOLLI (2D梯度回声) 序列的3.0T MRI进行T1映射.
  • 图像质量,T1值 (皮质,脑髓),皮质骨髓T1差异 (ΔT1) 和比率 (T1比率) 被分析并与活检证明的IF等级相关联.

主要成果:

  • 莫利显示出明显更好的图像质量比VFA.
  • 虽然VFA和MOLLI之间的绝对皮质和脑髓T1值有显著差异,但皮质骨髓T1差异 (ΔT1) 和比率 (T1比率) 没有显著差异.
  • 在VFA和MOLLI T1映射方法之间,没有观察到VFA和MOLLI T1映射方法之间的脏IF的诊断性能有显著差异.

结论:

  • 无论是VFA还是MOLLI,都有效用于对脏间歇性纤维化进行非侵入性评估.
  • 在VFA和MOLLI之间,皮膜膜T1差异和比率是可比的,这表明IF评估的可互换性.
  • 进一步的研究可能会探索特定病理的最佳序列.