相关实验视频

Updated: Jun 16, 2025

Potentiodynamic Corrosion Testing

Potentiodynamic Corrosion Testing

Published on: September 4, 2016

血液金属度和心脏结构和功能在全关节关节整形术患者

Peter C Brennan¹, Stephanie M Peterson², Thomas J O'Byrne²

¹Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN 55905, United States.

World journal of orthopedics

|August 21, 2024

概括

总关节整形术 (TJA) 患者对金属毒性的担忧正在增加. 这项研究发现,高和水平与心脏结构变化有关,强调需要进一步研究这些系统性影响.

科学领域:

生物材料科学是生物材料的科学.
心脏病学心脏病学
整形外科手术整形外科手术

背景情况:

来自全关节整形术 (TJA) 的金属的系统分布引发了对潜在的长期心脏毒性的担忧.
了解金属离子释放对心脏的影响对于患者安全至关重要.

研究的目的:

调查常用的植入物金属 (,,) 与TJA患者的心声测量之间的关联.
为了确定与金属度升高相关的潜在心脏变化.

主要方法:

评估了110名TJA患者的高,或水平.
进行了综合性心声回声学 (2D,3D,多普勒,斑点应变).
血液样本测量金属度;回归模型分析了与心脏结果的关联.

主要成果:

更高的度与左心室末端透缩体积增加和心房/右心室扩张相关,特别是在男性中.
更高的度与左心室全球纵向应变和心脏指数的减少有关.
没有观察到整体心脏功能的显著变化.

结论:

升高的和水平可能与TJA患者的结构和功能心脏变化有关.
需要进一步的纵向研究来阐明植入物金属的长期系统性影响.

关键词:

心脏有毒性 - 心脏有毒性科巴尔特是一种.心声回声扫描 (Echocardiography) 是一种心声回声扫描.心脏衰竭是因为心脏衰竭.金属对金属的金属对金属.整体关节关节整形术整体关节整形术

更多相关视频

Biotribological Testing and Analysis of Articular Cartilage Sliding against Metal for Implants

Biotribological Testing and Analysis of Articular Cartilage Sliding against Metal for Implants

Published on: May 14, 2020

Protocol for the Evaluation of MRI Artifacts Caused by Metal Implants to Assess the Suitability of Implants and the Vulnerability of Pulse Sequences

Protocol for the Evaluation of MRI Artifacts Caused by Metal Implants to Assess the Suitability of Implants and the Vulnerability of Pulse Sequences

Published on: May 17, 2018

相关概念视频

Blood Studies for Cardiovascular System I: Cardiac Biomarkers

Blood Studies for Cardiovascular System I: Cardiac Biomarkers

Cardiac biomarkers are enzymes, proteins, and hormones released into the blood when cardiac cells are injured. They are powerful tools for triaging.
The essential diagnostic tools for detecting myocardial necrosis and monitoring individuals suspected of having acute coronary syndrome (ACS) include:
Troponins
Troponins, particularly cardiac troponins I and T, are the most precise and sensitive markers of myocardial injury. They are detectable within 4-6 hours of myocardial injury and remain...

Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers

Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers

Cardiac biomarkers are critical in diagnosing, prognosing, and managing cardiovascular diseases. Routine measurement of specific biomarkers such as B-type natriuretic peptide (BNP), C-reactive protein (CRP), and homocysteine (Hcy) is common practice in clinical settings to evaluate heart function and predict cardiovascular events.
These markers indicate stress or strain on the heart muscle:
Natriuretic Peptides (BNP)
Cardiac myocytes produce these hormones in response to ventricular stretching...