斑点颜料光学密度和淋巴细胞过率之间的积极关联:一个横截面研究
Hiroki Tsujinaka1, Keigo Saeki2, Kenji Obayashi2
1Department of Ophthalmology, Nara Medical University, Kashihara 634-8521, Nara, Japan.
Journal of clinical medicine
|August 26, 2023
概括
减少斑点色素光学密度 (MPOD) 与功能障碍有关,特别是估计较低的膜过率 (eGFR). 这一发现表明,在没有与年龄相关的黄斑变性的人群中,眼睛健康和脏健康之间存在联系.
科学领域:
- 眼科医生 眼科 眼科
- 腎臟病學 (nephrology) 是一種醫學.
- 营养科学 营养科学
背景情况:
- 黄斑色素光学密度降低 (MPOD) 是与年龄相关的黄斑退化 (AMD) 的危险因素.
- 将减少的MPOD与AMD发病的确切机制尚不清楚.
- 通过估计的膜过率 (eGFR) 评估的功能可能会影响眼睛的健康.
研究的目的:
- 在没有AMD临床症状的个体中调查MPOD和eGFR之间的关系.
- 为了确定与MPOD相关的因素,包括功能.
主要方法:
- 在137名白内障手术后的参与者中,使用MPS II测量了MPOD.
- 根据中位数MPOD,参与者被分为高颜色和低颜色组.
- 线性回归分析探索了MPOD和eGFR之间的关联,控制了年龄,性别,糖尿病和高血压等共变量.
主要成果:
- 高颜色组与低颜色组相比,呈现出明显更高的平均eGFR (64.2对58.1,p=0.02).
- 在MPOD和eGFR之间发现了显著的积极关联 (β = 0.0034,p = 0.0038).
- 这种关联仍然显著,并且独立于其他临床因素 (β = 0.0033,p = 0.0076).
结论:
- 通过较低的eGFR表示的功能障碍与减少的MPOD密切相关.
- 这些发现表明,脏健康和黄斑色素水平之间存在潜在联系.
- 需要进一步的研究来阐明AMD对AMD发展和整体健康的影响.
更多相关视频
07:18Evaluation of Capillary and Other Vessel Contribution to Macular Perfusion Density Measured with Optical Coherence Tomography Angiography
Published on: February 18, 2022
1.8K
08:54Author Spotlight: Understanding Age-Related Macular Degeneration Pathophysiology with QAF Workflow
Published on: May 26, 2023
1.5K
相关概念视频
Glomerular Filtration Rate and its Regulation
2.9K
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...
2.9K
Glomerular Filtration: Net Filtration Pressure
2.8K
Glomerular filtration, a key process in the kidneys, is regulated by three main pressures: Glomerular blood hydrostatic pressure (GBHP), Capsular hydrostatic pressure (CHP), and Blood colloid osmotic pressure (BCOP).
GBHP, with an average value of 55 mmHg, promotes filtration by pushing water and solutes through the filtration membrane. This is balanced by two opposing forces: CHP, a "back pressure" exerted against the filtration membrane by fluid already in the capsular space and renal...
GBHP, with an average value of 55 mmHg, promotes filtration by pushing water and solutes through the filtration membrane. This is balanced by two opposing forces: CHP, a "back pressure" exerted against the filtration membrane by fluid already in the capsular space and renal...
2.8K
Renal Drug Excretion: Glomerular Filtration
314
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....
314
Renal Corpuscle
2.6K
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...
2.6K
