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関連する概念動画

Urodynamic Studies: Uroflowmetry01:19

Urodynamic Studies: Uroflowmetry

534
Uroflowmetry is a non-invasive urodynamic test designed to measure various aspects of urination, including volume, flow rate, and the time to void. This test is crucial for diagnosing and assessing conditions such as bladder outlet obstruction, bladder dysfunction, incomplete bladder emptying, incontinence, and urinary tract blockages caused by benign prostatic hyperplasia (BPH) and urethral strictures.Pre-Test Instructions:Before a uroflowmetry test, patients are typically advised to drink...
534
Imaging Studies VI: Voiding Cystourethrography and Cystography01:22

Imaging Studies VI: Voiding Cystourethrography and Cystography

112
Voiding Cystourethrography (VCUG) and Cystography are specialized radiographic procedures used to examine the structure and function of the bladder and urethra.Voiding Cystourethrography (VCUG)A Voiding Cystourethrogram (VCUG) is a diagnostic imaging procedure that assesses the anatomy and function of the lower urinary tract. It focuses on the bladder, bladder neck, and urethra, helping detect abnormalities such as vesicoureteral reflux (VUR)—the backward or reverse flow of urine into the...
112
Imaging Studies V: Intravenous Urography and Retrograde Pyelography01:22

Imaging Studies V: Intravenous Urography and Retrograde Pyelography

146
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...
146
Imaging Studies I: Kidney, Ureter, and Bladder Studies01:28

Imaging Studies I: Kidney, Ureter, and Bladder Studies

38
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...
38
Imaging Studies II: Ultrasonography01:24

Imaging Studies II: Ultrasonography

53
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...
53
Urologic Endoscopic Procedure: Cystoscopic Examination01:28

Urologic Endoscopic Procedure: Cystoscopic Examination

338
Meaning of Cystoscopic Examination:Cystoscopy is an essential diagnostic tool in urology that is used to assess the structure and function of the genitourinary system. It provides a direct view of the urethra, bladder, and, in some cases, the ureteral openings. This procedure helps detect structural abnormalities, infections, cancers, and blockages in the urinary tract. There are two types of cystoscopy:Flexible cystoscopy is commonly performed in outpatient settings due to its less invasive...
338

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関連する実験動画

Updated: Sep 10, 2025

Author Spotlight: Enhanced Urodynamic Method for Precise Urine Measurement in Awake Mice with Neurogenic Bladder
06:46

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尿動力学の研究における人工物:物語のレビュー

Farzad Pourghazi1, Brian J Linder2, Azra Alizad3

  • 1Department of Physiology and Biomedical Engineering, Mayo Clinic College of Medicine and Science, Rochester, Minnesota, USA.

Neurourology and urodynamics
|August 20, 2025
PubMed
まとめ

尿動力学研究 (UDS) の間,診断と研究に影響を与える人工物が頻繁に発生します. これらの技術的問題と患者の問題への対処は 下尿管機能障害の正確な管理に不可欠です.

キーワード:
アーティファクト膀 (膀)下部尿路の症状尿動力学

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科学分野:

  • 泌尿器科
  • 医療診断

背景:

  • 下部泌尿器機能障害の診断には,尿動力学研究 (UDS) が不可欠である.
  • UDSのアーティファクトは,臨床的解釈と研究の妥当性を損なう可能性があります.

研究 の 目的:

  • 尿動力学的研究における人工物の流行,分類,および臨床的重要性を検討する.
  • UDS アーティファクトの技術的および患者関連ソースを特定する.

主な方法:

  • UDSアーティファクトデータを報告した研究の集中的な文献レビュー.
  • アーティファクト生成の患者関連および技術的な貢献者の分析.

主要な成果:

  • UDSでは,良い尿動力学的慣行に従っている場合でも,アーティファクトは一般的です.
  • 原因は,機器の問題 (校正,キャセター移動) と患者因子 (運動,デトルーザー過剰活動) です.
  • アーティファクトは誤った診断や 不適切な治療につながり 研究の妥当性に影響を及ぼします

結論:

  • 正確な臨床的決定と信頼性の高い研究のために,UDSアーティファクトの特定と緩和は不可欠です.
  • アーティファクトの減少を優先すれば,尿動学的研究の質と有用性が向上します.