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相关概念视频

Urinary Tract Infection III: Diagnostic Studies and Interprofessional Care01:30

Urinary Tract Infection III: Diagnostic Studies and Interprofessional Care

230
A healthcare provider can diagnose a urinary tract infection (UTI) through several methods:Medical History and Symptoms: The provider will take a detailed medical history and ask about symptoms such as frequent urination, burning sensation during urination, and lower abdominal pain.Urinalysis: A clean-catch urine sample is collected in a sterile container and tested for the presence of bacteria, white blood cells (leukocytes), nitrites, blood, and protein. The presence of leukocytes and...
230
Urinary Tract Infection I: Introduction01:26

Urinary Tract Infection I: Introduction

512
Urinary tract infections (UTIs) impact various parts of the urinary system, including the kidneys, ureters, bladder, and urethra. These infections are generally bacterial, with Escherichia coli being the most common causative agent, often originating from the gastrointestinal tract. However, other bacteria, such as Staphylococcus saprophyticus, Klebsiella pneumoniae, and Proteus mirabilis, are also known to cause UTIs. The type, location, and underlying complexity of the UTI guide both...
512
Urine Studies II: Urine Culture and Sensitivity Test01:26

Urine Studies II: Urine Culture and Sensitivity Test

755
A urine culture and sensitivity test is a diagnostic procedure used to identify urinary tract bacterial infections and determine the most effective antibiotics for treatment. This test is generally preferred when a patient shows manifestations of a urinary tract infection, such as frequent or painful urination, cloudy or foul-smelling urine, or lower abdominal pain.Purpose of the TestThe primary goals of a urine culture and sensitivity test are to:Determine the specific bacteria causing the...
755
Urinary Tract Infection II: Pathophysiology01:25

Urinary Tract Infection II: Pathophysiology

530
The pathophysiology of urinary tract infections (UTIs) encompasses several progressive stages, beginning with bacterial colonization and culminating in potential systemic complications if untreated. UTIs are primarily initiated by bacteria, such as Escherichia coli, which often originate from the gastrointestinal tract and migrate to the urinary system through the periurethral area. This migration can occur via several routes, including improper hygiene practices, sexual activity, or...
530
Urinary Tract Infection IV: Nursing Management01:17

Urinary Tract Infection IV: Nursing Management

400
In managing urinary tract infections (UTIs) in nursing, a comprehensive assessment is essential. Begin by gathering subjective data, such as the patient’s complaints of dysuria (painful urination), urinary frequency, urgency, suprapubic pain, and any lower abdominal discomfort. This information can be complemented by questions regarding previous UTIs, sexual activity, and personal hygiene practices, which can provide insight into risk factors. Objective assessment should focus on signs...
400
Urinary Tract Calculi I: Introduction01:28

Urinary Tract Calculi I: Introduction

377
Renal calculi, or kidney stones, are solid deposits of minerals and salts formed inside the kidneys. In medical terminology, "calculus" refers to the stone itself, while "lithiasis" describes the process of stone formation. Depending on their location within the urinary system, these stones may be classified as either urolithiasis, when situated within the urinary tract, or nephrolithiasis, when located within the kidneys. Each term signifies the specific impact of the stone.Predisposition...
377

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相关实验视频

Updated: Jan 8, 2026

Isolation of Single Intracellular Bacterial Communities Generated from a Murine Model of Urinary Tract Infection for Downstream Single-cell Analysis
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预测尿路感染的多因素机器学习模型:试点研究

Fabio Grizzi1,2, Mohamed A A A Hegazi3, Marta Noemi Monari4

  • 1Department of Immunology and Inflammation, IRCCS Humanitas Research Hospital, Rozzano, Milan, Italy. fabio.grizzi@humanitasresearch.it.

International urology and nephrology
|December 12, 2025
PubMed
概括
此摘要是机器生成的。

低维生素D水平与尿路感染 (UTI) 有关. 使用维生素D水平,尿液pH值,年龄和性别的机器学习模型可以高准确度地预测尿路感染.

关键词:
人工智能的人工智能是人工智能.机器学习 机器学习模型 模型 模型尿路感染 尿路感染尿液 尿液 尿液维生素D 维生素D是一种维生素.

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Establishment and Characterization of UTI and CAUTI in a Mouse Model
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Isolation of Single Intracellular Bacterial Communities Generated from a Murine Model of Urinary Tract Infection for Downstream Single-cell Analysis
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Establishment and Characterization of UTI and CAUTI in a Mouse Model
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Urinary Tract Infection in a Small Animal Model: Transurethral Catheterization of Male and Female Mice
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科学领域:

  • 免疫学和微生物学
  • 生物化学 生物化学
  • 医疗保健中的人工智能

背景情况:

  • 维生素D对于免疫功能和-酸盐平衡至关重要.
  • 维生素D缺乏与免疫失调有关,增加了诸如尿路感染等感染的风险.
  • 尿中的25-基维生素D (25(OH) D) 水平正在被探索为尿路感染风险的潜在生物标志物.

研究的目的:

  • 为了研究尿液25OH) D水平与尿路感染发生之间的关联.
  • 开发和评估机器学习模型,以利用人口和生物化学数据进行尿路感染预测.

主要方法:

  • 分析了358名受试者的队列,收集了人口统计,生化和微生物学数据.
  • 开发了12个机器学习模型,使用尿25 (OH) D,尿液pH,年龄和性别.
  • 模型使用包括精度,灵敏度,特异性,PPV,NPV,AUC-ROC和F1分数在内的指标进行评估.

主要成果:

  • 在阳性和阴性尿液培养 (p < 0.001) 个体之间观察到尿25(OH) D水平的显著差异.
  • 机器学习模型的准确度从64%到87%不等,堆叠模型的准确度达到88%.
  • 性能最好的堆叠模型显示了83%的灵敏度,94%的特异性,AUC-ROC为0.93.

结论:

  • 下尿25~OH) D水平显著与增加的尿路感染发生有关.
  • 机器学习模型显示出作为UTI诊断的辅助工具的前景,补充传统方法.
  • 需要进一步的验证和前性研究来评估这些预测模型的临床影响.