尿路感染的生物标志物:现在和未来的前景
Tej K Mattoo1,2,3, John David Spencer4,5
1Pediatric Nephrologist, Wayne Pediatrics, Detroit, MI, USA. Tmattoo@med.wayne.edu.
Pediatric nephrology (Berlin, Germany)
|March 14, 2024
概括
对儿童尿路感染 (UTI) 的准确诊断至关重要. 新兴的生物标志物,如前素 (PCT) 和中性粒细胞凝酶相关的脂素 (NGAL),显示出更快,更精确的尿路感染检测的希望.
科学领域:
- 儿科脏病学 儿科脏病学
- 临床微生物学 临床微生物学
- 生物标志物发现发现
背景情况:
- 迅速诊断尿路感染 (UTI) 是减少症状和并发症的必要条件.
- 目前的诊断方法,包括尿液试卷和显微镜,精度有限.
- 尿液培养,即最终的尿路感染诊断,需要2-3天才能得到结果,这凸显了对儿童改善生物标志物的需求.
研究的目的:
- 审查现有的尿路感染 (UTI) 生物标志物.
- 突出新兴的生物标志物,以快速和准确地诊断儿科患者的尿路感染.
- 讨论新的尿路感染生物标志物的临床实用性和未来研究方向.
主要方法:
- 对尿路感染诊断当前和新兴生物标志物的文献综述.
- 分析生物标志物的诊断价值和临床适用性,如甲素 (PCT) 和尿中性粒细胞凝酶相关的脂素 (NGAL).
主要成果:
- 血液中分素 (PCT) 提供了诊断效益,并且可以在已经进行了血液检查时考虑使用.
- 尿中性粒细胞凝酶相关的卡林 (NGAL) 显示出显著的潜力,但需要进一步的研究来临床实施,包括点的护理测试.
- 新兴的生物标志物可能会提高尿路感染诊断的准确性和速度.
结论:
- 像PCT和NGAL这样的新生物标志物对改善儿童尿路感染诊断具有前景.
- 需要进一步的研究来优化NGAL的使用,特别是对点的护理应用.
- 实施这些生物标志物可以改善尿路感染的治疗,减少抗生素的使用,减少并发症.
相关概念视频
Urinary Tract Infection I: Introduction
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...
Urinary Tract Infection II: Pathophysiology
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...
Urinary Tract Infection III: Diagnostic Studies and Interprofessional Care
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...
Urinary Tract Infection IV: Nursing Management
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 like...
Urine Studies II: Urine Culture and Sensitivity Test
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...
Microbiota of the Urogenital Tract
The human urogenital system, once thought to be sterile in healthy individuals, is now recognized as a complex microbial habitat. Advancements in molecular sequencing techniques have revealed that even in healthy adults, the kidneys and bladder harbor microbial populations similar to those found in the distal urethra, albeit in much lower abundance. These resident microorganisms, while generally innocuous, can become opportunistic pathogens under conditions that alter the urogenital...


