Jove
Visualize
お問い合わせ

関連する概念動画

Data Validation01:15

Data Validation

2.3K
Method validation is a crucial process in analytical chemistry designed to confirm that a given method consistently produces reliable and high-quality results. This process is essential when a method is applied to different sample matrices or when procedural modifications are made, ensuring that the results meet acceptable standards across various applications.
Key parameters for method validation include:
2.3K
Data Validation01:03

Data Validation

7.0K
Data validation is an essential part of a comprehensive assessment. Validation is confirming or verifying and opening the door to gathering more assessment data as it clarifies vague or unclear data. The process of checking and verifying the collected information is called data validation. The primary purpose of data validation is to ensure data is as free from error, bias, and misinterpretation as possible.
Nursing assessment guides are generally based on holistic models rather than medical...
7.0K
Dynamics of Circular Motion01:30

Dynamics of Circular Motion

25.5K
An object undergoing circular motion, like a race car, is accelerating because it is changing the direction of its velocity. This centrally directed acceleration is called centripetal acceleration. This acceleration acts along the radius of the curved path (thus is also referred to as radial acceleration).
Any acceleration must be produced by some force. Therefore, any force or combination of forces can cause centripetal acceleration. A few examples include the tension in the rope on a...
25.5K
Dynamics Of Circular Motion: Applications01:17

Dynamics Of Circular Motion: Applications

9.7K
Suppose a car moves on flat ground and turns to the left. The centripetal force causing the car to turn in a circular path is due to friction between the tires and the road. For this, a minimum coefficient of friction is needed, or the car will move in a larger-radius curve and leave the roadway. Let's now consider banked curves, where the slope of the road helps in negotiating the curve. The greater the angle of the curve, the faster one can take the curve. It is common for race tracks for...
9.7K
Radiological Investigation III: Pulmonary Angiogram and PET Scan01:13

Radiological Investigation III: Pulmonary Angiogram and PET Scan

487
Radiological investigations are paramount in the diagnosis and management of various pulmonary diseases. Two essential investigations are the Pulmonary Angiogram and the Positron Emission Tomography (PET) Scan.
Pulmonary Angiogram
A Pulmonary Angiogram is an invasive procedure involving injecting a contrast medium through a catheter threaded into the pulmonary artery or the right side of the heart to visualize the pulmonary vasculature. Computed Tomography (CT) scans have mainly replaced this...
487
Distance Corrections01:15

Distance Corrections

302
To achieve precise distance measurements, especially in surveying and construction, certain corrections must be applied to account for potential sources of error like the standardization errors, temperature variations, and slope adjustments.Standardization error emerges when measurement equipment undergoes changes, such as wear, repairs, or weather impacts. To address this, surveyors compare the equipment’s readings to a standard. This process identifies any deviation that might lead to...
302

こちらも読む

関連記事

共著者、ジャーナル、引用グラフによってこの研究に関連する記事。

並び替え
Same author

Sex- and Age-Related Differences in Physiological [<sup>18</sup>F]FDOPA Uptake on Long Axial Field-of-View PET/CT Imaging.

Bioengineering (Basel, Switzerland)·2026
Same author

The Role of Motion Correction Tools in Left Ventricular Functional Parameters Measured by Gated [<sup>13</sup>N]NH<sub>3</sub> PET/CT.

Diagnostics (Basel, Switzerland)·2026
Same author

Smart scanning for two: [<sup>18</sup>F]FDG dose optimization for pregnant patients using LAFOV PET/CT technology.

EJNMMI physics·2026
Same author

Exploratory Evaluation of the Predictive Value of Serum Neurofilament Light Chain for Autonomic Neuropathy in Hereditary Transthyretin Amyloidosis.

Journal of clinical medicine·2026
Same author

<i>Mapping cardiac drug transport: In vitro</i> assessment of cardiac P-glycoprotein function with [<sup>18</sup>F]MC225 by using µ-engineered heart tissues.

European heart journal open·2025
Same author

Abnormal FDG Uptake in the Spinal Cord in Autoimmune Glial Fibrillary Acidic Protein (GFAP) Astrocytopathy.

Clinical nuclear medicine·2025
Same journal

Evidence-Based Clinical Recommendations for the Appropriate Use of Diagnostic Tests in Pediatric Allergology: Focus on Asthma, Rhinoconjunctivitis, and Keratoconjunctivitis Vernal.

Journal of clinical medicine·2026
Same journal

Surgical and Transcatheter Approach of a Failed Mitral Valve Repair: A Comprehensive Review on Selecting the Most Suitable Approach.

Journal of clinical medicine·2026
Same journal

Hybrid Metaheuristic Feature Selection for Breast Cancer Detection in Digital Mammography: A Feasibility Study with Nested Validation, Benchmarking, and External Stress Testing.

Journal of clinical medicine·2026
Same journal

Identity Transformation and the Role of Accountability in Recovery from Problematic Pornography Use: A Phenomenological-Hermeneutical Study.

Journal of clinical medicine·2026
Same journal

Does Early Surgical Treatment in Degenerative Cervical Myelopathy Have a Favorable Clinical Outcome and Impact on Quality of Life?

Journal of clinical medicine·2026
Same journal

Shear Wave Elastography in Musculoskeletal Imaging: A Narrative Review.

Journal of clinical medicine·2026
関連記事をすべて見る
JoVE
x logofacebook logolinkedin logoyoutube logo
JoVEについて
概要リーダーシップブログJoVEヘルプセンター
著者向け
出版プロセス編集委員会範囲と方針査読よくある質問投稿
図書館員向け
推薦の声購読アクセスリソース図書館諮問委員会よくある質問
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experimentsアーカイブ
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教員リソースセンター教員サイト
利用規約
プライバシーポリシー
ポリシー

関連する実験動画

Updated: Feb 14, 2026

Implantation and Monitoring by PET/CT of an Orthotopic Model of Human Pleural Mesothelioma in Athymic Mice
07:54

Implantation and Monitoring by PET/CT of an Orthotopic Model of Human Pleural Mesothelioma in Athymic Mice

Published on: December 21, 2019

7.3K

データ駆動運動補正アルゴリズム: [13N]NH3 ダイナミックPET/CTスキャンでの検証

Oscar Isaac Mendoza-Ibañez1, Riemer H J A Slart1,2, Charles Hayden3

  • 1Department of Nuclear Medicine and Molecular Imaging, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, The Netherlands.

Journal of clinical medicine
|February 13, 2026
PubMed
まとめ
この要約は機械生成です。

自動データ駆動運動矯正 (DDMC) は,動的[13N]NH3心臓PET/CTスキャンに有効であり,手作業方法と比べられる結果が得られます. 運動矯正は,特にストレスイメージングの際に,心筋血流 (MBF) と冠動脈流量準備量 (CFR) の定量化を著しく改善します.

キーワード:
PET/CTはPET/CTで,PETとCTはPETとCTで,PETとCTはPETとCTで[13N]NH3は [13N]NH3は [13N]NH3は冠動脈の流れ準備は,冠動脈の流れ準備である.データ駆動の運動矯正です.モーション・コーレクション・モーション・コーレクション心筋の血流は,心筋の血流である.心筋 perfusion イメージングは心筋 perfusion イメージングは心筋 perfusion イメージングは心筋 perfusion イメージングは心筋 perfusion イメージングは心筋 perfusion イメージングは心筋 perfusion イメージングは心筋 perfusion

さらに関連する動画

Management of Respiratory Motion Artefacts in 18F-fluorodeoxyglucose Positron Emission Tomography using an Amplitude-Based Optimal Respiratory Gating Algorithm
06:53

Management of Respiratory Motion Artefacts in 18F-fluorodeoxyglucose Positron Emission Tomography using an Amplitude-Based Optimal Respiratory Gating Algorithm

Published on: July 23, 2020

6.2K
Determining Glucose Metabolism Kinetics Using 18F-FDG Micro-PET/CT
07:07

Determining Glucose Metabolism Kinetics Using 18F-FDG Micro-PET/CT

Published on: May 2, 2017

14.4K

関連する実験動画

Last Updated: Feb 14, 2026

Implantation and Monitoring by PET/CT of an Orthotopic Model of Human Pleural Mesothelioma in Athymic Mice
07:54

Implantation and Monitoring by PET/CT of an Orthotopic Model of Human Pleural Mesothelioma in Athymic Mice

Published on: December 21, 2019

7.3K
Management of Respiratory Motion Artefacts in 18F-fluorodeoxyglucose Positron Emission Tomography using an Amplitude-Based Optimal Respiratory Gating Algorithm
06:53

Management of Respiratory Motion Artefacts in 18F-fluorodeoxyglucose Positron Emission Tomography using an Amplitude-Based Optimal Respiratory Gating Algorithm

Published on: July 23, 2020

6.2K
Determining Glucose Metabolism Kinetics Using 18F-FDG Micro-PET/CT
07:07

Determining Glucose Metabolism Kinetics Using 18F-FDG Micro-PET/CT

Published on: May 2, 2017

14.4K

科学分野:

  • 心血管画像検査についてです.
  • 核医学は,核医学である.
  • 医学物理 医学物理学

背景:

  • 心臓PET/CTイメージングは,患者の動きによって困難になり,診断の正確さに影響します.
  • 自動データ駆動運動矯正 (DDMC) は,静的な心臓のPET/CTで有望であることが示されています.
  • この研究は,ダイナミック[13N]NH3 PET/CTに対するDDMCを検証し,心筋運動の評価におけるその価値を評価する.

研究 の 目的:

  • ダイナミック [13N]NH3 PET/CTの取得においてDDMCを検証するために.
  • DDMCとマニュアル・イン・ソフトウェア・モーション・コレクション (ISMC) を比較する.
  • 定量的心筋血流量 (MBF) と冠動脈流量準備量 (CFR) に対する心筋運動の影響を調査する.

主な方法:

  • 36人の正常な患者のスキャンと43人の不血症患者のスキャンを,QPETソフトウェアを使用して,運動矯正なし (NMC),ISMC,DDMCで処理しました.
  • 分析は,休息/ストレス時のMBFとCFR値の違いと効果の大きさに焦点を当てました.
  • DDMCから派生した運動ベクトルは,相間/軸間の差異とMBF定量化との関係について分析されました.

主要な成果:

  • DDMCとISMCの両方の運動矯正 (MC) は,ストレス-MBFとCFR値 (p <0.05) を大幅に増加させた.
  • DDMCとISMCは,比較可能な効果サイズを示したが,特定の地域のMBF値にはわずかな違いがあった.
  • 高強度運動 (>6mm) は,主にZ軸で発生し,休息中のストレスよりもストレス中の方が大きく,ストレス-MBFと負の相関関係がありました.

結論:

  • DDMCはダイナミック[13N]NH3 PET/CTでも実行可能であり,手動のISMCに類似した結果を提供します.
  • DDMCは,処理時間と観測者の変動を減らすことで効率を高めます.
  • ストレス時のZ軸の動きがストレス-MBFの定量化に負の影響を与えるため,QPET分析では運動の修正が不可欠です.