尿路感染中微生物群水平的变化:一个元分析
Xia Weng1, Yajun Liu2, Haiping Hu1
1Urology Department, Zhejiang Hospital, Hangzhou 310013, Zhejiang Province, China.
Open medicine (Warsaw, Poland)
|May 30, 2023
概括
尿路感染 (UTI) 患者表现出较低的微生物群多样性和增加的特定细菌,特别是大肠杆菌,而乳酸菌水平下降. 这些发现表明,尿路感染治疗的潜在微生物群标志物.
科学领域:
- 微生物学 微生物学
- 泌尿器科 泌尿器科 泌尿器科 泌尿器科
- 生物信息学是一种生物信息学.
背景情况:
- 微生物群在尿路感染中的作用缺乏明确的共识.
- 了解微生物社区的变化对于诊断和治疗尿路感染至关重要.
研究的目的:
- 对现有研究进行元分析,以确定微生物群水平与尿道感染之间的关系.
- 确定潜在的微生物生物标志物用于尿路感染诊断和治疗.
主要方法:
- 在PubMed,Web of Science和Embase数据库进行系统的文献搜索,截至2021年10月20日.
- 使用随机效应模型对微生物群多样性和丰富性的标准化平均差异 (SMD) 的元分析.
- 包括12项研究,将尿路感染患者与健康个体进行比较.
主要成果:
- 与健康对照人群相比,尿路感染患者的微生物群多样性明显较低 (SMD = -0.655).
- 在尿路感染患者 (SMD = 0.41) 中,总体细菌丰度更高,特别是在北美队列和研究中,参与者>30.
- 具体发现包括尿路感染患者增加的大肠杆菌和减少的乳酸菌水平.
结论:
- 尿路感染与微生物多样性减少和细菌丰度改变有关.
- 增加的大肠杆菌和减少的乳杆菌水平显示出作为尿路感染的潜在生物标志物具有前途.
- 对这些微生物标记物的进一步研究可以为尿路感染提供新的治疗策略.
相关概念视频
Urinary Tract Infection I: Introduction
27
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...
27
Urinary Tract Infection II: Pathophysiology
20
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...
20
Urinary Tract Infection III: Diagnostic Studies and Interprofessional Care
17
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...
17
Urinary Tract Infection IV: Nursing Management
32
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...
32
Urine Studies II: Urine Culture and Sensitivity Test
65
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...
65
Bacterial Flora of the Large Intestine
533
The gut microbiome is formed by a vast and diverse community of bacteria that colonizes our large intestine. These bacteria start residing in the gut from birth and continue diversifying throughout life, influenced by factors such as diet, lifestyle, and stress. The gut bacterial community also includes bacteria from food and those that enter the colon through the anus.
The normal gut flora of the colon plays a critical role in generating essential vitamins such as vitamins K, B5, and B7.
The normal gut flora of the colon plays a critical role in generating essential vitamins such as vitamins K, B5, and B7.
533


