在慢性脏疾病中,尿中的肌氨酸分泌与骨矿物密度之间的关联:KNOW-CKD研究的结果
Sang-Eun Kim1, Sung Hoon Jung2, Jihyun Yang3
1Department of Hospital Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, 29 Saemunan-Ro, Jongno-Gu, Seoul, 03181, Republic of Korea.
Journal of nephrology
|October 30, 2024
概括
低肌肉质量,以24小时尿中低肌素表示,与韩国慢性病 (CKD) 患者的骨矿物质密度较低有关. 这表明肌肉质量是CKD骨质疏松症的独立风险因素.
科学领域:
- 腎臟病學 (nephrology) 是一種醫學專業.
- 骨的新陈代谢 骨的新陈代谢
- 临床营养学 临床营养学
背景情况:
- 瘦体质与健康个体的骨矿物质密度有关.
- 慢性病 (CKD) 患者的肌肉质量和骨矿物质密度之间的关系尚不清楚.
- 这项研究调查了韩国CKD患者的肌肉质量和骨矿物质密度.
研究的目的:
- 评估韩国CKD患者的肌肉质量,以24小时尿液肌素 (UCr) 估计,与骨矿物质密度 (BMD) 之间的关系.
- 为了确定低肌肉质量是否与该人群的低BMD有关.
- 在透析前的CKD患者中识别骨质疏松症的潜在风险因素.
主要方法:
- 一项对1872名韩国CKD患者的横截面研究,来自KNOW-CKD队列.
- 肌肉质量估计使用24小时尿液肌素 (UCr) 水平.
- 用双能X射线吸收计测量腰椎,全部和股骨部的骨矿物质密度.
主要成果:
- 根据24小时UCr三位数 (T1-T3) 将患者分为三组.
- 骨质疏松症在T1的14.4%,T2的7.3%和T3.7的5.7%被诊断为骨质疏松症.
- 每天UCr增加1g与骨质疏松症的几率比率为0.37有关,这表明它具有保护作用.
结论:
- 低24小时尿液肌素,低肌肉质量的指标,与低骨矿物质密度显著相关.
- 低肌肉质量是韩国预透析CKD患者骨质疏松症的独立风险因素.
- 需要进一步的研究来证实肌肉质量对CKD患者骨健康的影响.
相关概念视频
Factors Affecting Renal Clearance: Renal Impairment
58
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...
58
Renal Clearance
766
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...
766
Bone Disorders
3.4K
Aging and its effect on bone remodeling is the most common cause of bone disorders. In young and healthy people, bone deposition and resorption happen at an equal rate to maintain optimal bone health.
Bone deposition is also affected by the levels of sex hormones like estrogen and testosterone that promote osteoblast activity and bone matrix synthesis. When the level of these hormones decreases due to aging, it causes a reduction in bone deposition. As a result, bone resorption by osteoclasts...
Bone deposition is also affected by the levels of sex hormones like estrogen and testosterone that promote osteoblast activity and bone matrix synthesis. When the level of these hormones decreases due to aging, it causes a reduction in bone deposition. As a result, bone resorption by osteoclasts...
3.4K
Determination of Renal Drug Clearance: Graphical and Midpoint Methods
80
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...
80
Osteoclasts in Bone Remodeling
2.8K
Osteoclasts are cells responsible for bone resorption and remodeling. They originate from hematopoietic progenitor cells present in the bone marrow. Numerous progenitor cells fuse to form multinucleated cells, each with 10-20 nuclei. A single osteoclast has a diameter of 150 to 200 µM. These cells have ruffled borders that break down the underlying bone tissue and release minerals such as calcium into the blood in bone resorption. Osteoclasts cling to bones with their ruffled edges during...
2.8K
Nephrons
2.2K
The kidneys are intricate organs with millions of working units known as nephrons. Each nephron features two major structures: the renal corpuscle, which facilitates blood plasma filtration, and the renal tubule, which handles the glomerular filtrate. Blood supply is directly linked to the nephrons. The renal corpuscle consists of the glomerulus, a capillary network, and the Bowman's capsule, a double-walled epithelial structure that encases the glomerulus. The filtering of blood plasma...
2.2K


