用商业试剂带进行基于图像的定量尿液分析:设计和临床评估
Damian Tohl1, Anh Tran Tam Pham1, Jordan Li2
1Australia-China Joint Research Centre for Personal Health Technologies, Medical Device Research Institute, College of Science and Engineering, Flinders University, South Australia 5042, Australia.
Methods (San Diego, Calif.)
|February 17, 2024
概括
这项研究引入了一种新的便携式尿液分析设备,通过补偿照明变化来提高精度. 它提供可靠的,定量测量点的护理测试,改善健康诊断.
科学领域:
- 医学诊断 医学诊断 医学诊断
- 生物医学工程 生物医学工程
- 分析化学 分析化学
背景情况:
- 尿液分析是一种常规的健康查工具.
- 试剂条是常见的,但由于照明和用户的颜色感知,容易受到主观解释.
- 现有的基于相机的方法在照明和图像处理变化方面遇到了困难.
研究的目的:
- 开发一种用于定量尿液分析的便携式设备.
- 克服主观解释和可变的照明条件的局限性.
- 提供照明不变的定量测量.
主要方法:
- 开发了一种具有嵌入式图像处理的新型便携式设备.
- 采用RGB值比率的新校准过程被实施.
- 该设备可以弥补图像之间的照明变化.
主要成果:
- 拟议的校准方法实现了一致,均的照明.
- 该设备表现出良好的性能和与临床值的相关性.
- 量化测量对照明变化是不变的.
结论:
- 新设备提供可靠的定量尿液分析结果.
- 它提高了医疗保健点测试设置的准确性.
- 该技术改进了现有的尿液分析评估方法.
相关概念视频
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...
Acute Pyelonephritis II: Diagnostic Studies and Management
Introduction:For diagnosing acute pyelonephritis, a comprehensive patient history is collected to identify symptoms such as dysuria, frequent or urgent urination, flank pain, or costovertebral angle (CVA) tenderness that may suggest a kidney infection.Physical ExaminationDuring the physical examination, CVA tenderness is assessed. This involves gentle percussion over the costovertebral angle, where tenderness often indicates a kidney infection.Diagnostic TestsUrinalysis: Used to identify white...
Urine Studies I: Urinalysis
Urinalysis is a widely used diagnostic test that analyzes urine's physical, chemical, and microscopic characteristics. Healthcare providers use it to detect and monitor various health conditions, including renal disease, urinary tract infections (UTIs), diabetes, and metabolic or systemic disorders.Components of UrinalysisUrinalysis consists of three primary components: physical, chemical, and microscopic examination. Each provides unique insights into the urine sample and, by extension, the...
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...
Automated Microbial Diagnostics
Automated diagnostic analyzers have transformed clinical microbiology by providing rapid and reliable methods for pathogen identification and antibiotic susceptibility testing. Among these systems, the Vitek 2 is widely used because it automates the traditionally labor-intensive processes of microbial identification (ID) and antibiotic susceptibility testing (AST), delivering standardized and timely results that are essential for effective patient care.Microbial Identification with ID CardsThe...


