一项研究评估了灰度超声波和流量计与功能测试在各种脏疾病中的作用
Yashaswinii Polaka1, Evangeline P Christina1, Karthik Krishna Ramakrishnan1
1Department of Radio-Diagnosis, Saveetha Medical College and Hospital, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, IND.
Cureus
|April 22, 2024
概括
多普勒超声波,特别是电阻指数 (RI),通过异常功能测试 (RFTs) 提高了医疗病的评估. 这种方法在检测慢性病和急性损伤方面表现出较高的灵敏度,与仅使用灰度超声波相比.
科学领域:
- 腎臟病學 (nephrology) 是一種醫學.
- 放射学 放射学是一门学科.
- 医学诊断 医学诊断 医学诊断
背景情况:
- 功能衰竭需要有效的查来管理.
- 灰度超声波提供了基本的解剖数据,但对诊断和管理的影响有限.
- 多普勒超声波,特别是电阻指数 (RI),显示出评估脏血流变化的潜力,并与脏病理相关联.
研究的目的:
- 评估和比较横腹腔和多普勒超声波的灵敏度,以评估医疗脏疾病与功能改变测试 (RFTs).
主要方法:
- 改变RFT的患者接受了脏灰度超声波和多普勒RI测量.
- 评估的参数包括的尺寸,回声性,皮质膜分化和RI.
- 统计分析使用ANOVA和千平方测试来检查超声检测结果,RI和RFT结果之间的关系.
主要成果:
- 分析了93名RFTs发生变化的患者.
- 慢性病 (CKD) 显示了83%的灵敏度,的尺寸减少,回声性增加,RI升高.
- 急性损伤 (AKI) 显示出75%的敏感性,参数增加和RI升高.
- 淋巴细胞疾病具有55.5%的灵敏度,皮质回声性增加和RI升高.
结论:
- 对血管波形的多普勒评估有效地识别了慢性脏变化,并有助于诊断改变的RFT.
- 超声波指标,如回声纹理和尺寸变化,以及结等发现,有助于识别功能变化.
- 多普勒超声波有助于预后,可以最大限度地减少不必要的干预.
相关概念视频
01:17Factors Affecting Renal Clearance: Renal Impairment
91
Renal dysfunction significantly impairs the renal clearance of drugs, leading to potential complications in drug therapy. Renal failure, which can be caused by various factors, poses a significant challenge in the elimination of drugs from the body.
One condition associated with renal failure is uremia. Uremia is characterized by impaired glomerular filtration and fluid accumulation in the body. This condition hinders the renal clearance of drugs, resulting in drug accumulation and potential...
One condition associated with renal failure is uremia. Uremia is characterized by impaired glomerular filtration and fluid accumulation in the body. This condition hinders the renal clearance of drugs, resulting in drug accumulation and potential...
91
01:28Glomerular Filtration Rate and its Regulation
2.6K
The Glomerular Filtration Rate (GFR) is a measure of kidney function, reflecting the volume of filtrate formed per minute in the kidneys. On average, GFR is approximately 125 mL/min in males and 105 mL/min in females. Maintaining a relatively constant GFR is essential for the kidneys to effectively regulate body fluid homeostasis and maintain extracellular stability.
GFR regulation involves two primary intrinsic controls: the myogenic and tubuloglomerular feedback mechanisms.
The myogenic...
GFR regulation involves two primary intrinsic controls: the myogenic and tubuloglomerular feedback mechanisms.
The myogenic...
2.6K
01:07Determination of Renal Drug Clearance: Graphical and Midpoint Methods
114
Renal clearance, a crucial parameter in pharmacokinetics, can be determined using two different methods: the graphical method and the midpoint method. These methods provide insights into the rate of drug excretion by the kidneys and aid in assessing renal function.
The graphical method involves plotting the rate of drug excretion in urine against the plasma drug concentration. By analyzing the graph, the clearance can be calculated and obtained. Drugs rapidly excreted by the kidneys exhibit a...
The graphical method involves plotting the rate of drug excretion in urine against the plasma drug concentration. By analyzing the graph, the clearance can be calculated and obtained. Drugs rapidly excreted by the kidneys exhibit a...
114
01:23Renal Clearance
927
The glomerular filtration rate (GFR) is a critical marker of kidney function, reflecting the efficiency of filtration by the glomeruli. Renal clearance of specific substances, such as inulin or creatinine, is commonly used to measure GFR.
Renal clearance refers to the volume of plasma cleared of a specific substance, such as creatinine, per unit of time. To measure clearance, urine samples are collected over a 24-hour period during each bladder voiding, followed by a single blood sample at the...
Renal clearance refers to the volume of plasma cleared of a specific substance, such as creatinine, per unit of time. To measure clearance, urine samples are collected over a 24-hour period during each bladder voiding, followed by a single blood sample at the...
927
01:02Renal Drug Excretion: Glomerular Filtration
253
The kidney serves as the primary organ responsible for eliminating drugs and their metabolites from the body. This process, known as renal elimination, starts with glomerular filtration and results in urine formation. Each kidney houses millions of functional units called nephrons, where urine production occurs. A nephron has two main components: a renal corpuscle and a renal tubule.
Drugs gain access to the kidney via the renal artery, which progressively branches off into afferent arterioles....
Drugs gain access to the kidney via the renal artery, which progressively branches off into afferent arterioles....
253
01:20Renal Corpuscle
2.0K
The glomerulus and Bowman's capsule are two essential components of the nephron, which is the functional unit of the kidney. These microscopic structures play a critical role in the process of blood filtration to produce urine.
Glomerulus: Structure and Function
The glomerulus is a tiny, intricate network of capillaries located at the beginning of the nephron. It's enveloped by the Bowman's capsule and receives its blood supply from an afferent arteriole, which divides into numerous...
Glomerulus: Structure and Function
The glomerulus is a tiny, intricate network of capillaries located at the beginning of the nephron. It's enveloped by the Bowman's capsule and receives its blood supply from an afferent arteriole, which divides into numerous...
2.0K