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相关概念视频

Blood Studies for Cardiovascular System I: Cardiac Biomarkers01:20

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 Markers01:19

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...

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相关实验视频

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A Sensitive and Specific Quantitation Method for Determination of Serum Cardiac Myosin Binding Protein-C by Electrochemiluminescence Immunoassay
10:12

A Sensitive and Specific Quantitation Method for Determination of Serum Cardiac Myosin Binding Protein-C by Electrochemiluminescence Immunoassay

Published on: August 8, 2013

血表面活性蛋白-B:慢性心力衰竭中的新生物标志物

Carmine G De Pasquale1, Leonard F Arnolda, Ian R Doyle

  • 1Cardiac Services, Flinders Medical Centre, Flinders Drive, Bedford Park, 5042, Adelaide, South Australia, Australia. carmine.depasquale@fmc.sa.gov.au

Circulation
|August 11, 2004
PubMed
概括

血表面活性蛋白-B (SP-B) 在慢性心力衰竭 (CHF) 中升高,与疾病严重程度相关. SP-B水平独立预测CHF住院,为肺部变化提供了一个新的生物标志物.

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科学领域:

  • 心脏病学 心脏病学
  • 肺部医学 肺部医学
  • 生物标志物研究 生物标志物研究

背景情况:

  • 慢性心力衰竭 (CHF) 中肺微血管压力升高可能导致肺.
  • 这种压力可能会损害膜膜屏障,导致表面活性蛋白-B (SP-B) 泄漏到循环中.

研究的目的:

  • 为了研究CHF患者的血SP-B水平.
  • 为了确定血SP-B和临床状态之间的关系.
  • 探索SP-B作为潜在的CHF并发症生物标志物.

主要方法:

  • 血SP-B和N-终端proBNP (NT-proBNP) 在53名心血管疾病门诊患者和19名对照患者中测量了18个月的时间.
  • 记录了临床评估和心血管事件.
  • 条件后勤回归分析被用来确定住院的独立预测因素.

主要成果:

  • 血SP-B在CHF患者中显著升高 (P<0.001),并随着疾病严重程度的增加而增加 (NYHA分类,P<0.001).
  • SP-B水平与临床参数和NT-proBNP相关,并预测了主要的心血管事件.
  • 更高的SP-B水平独立地与CHF住院相关 (P=0.005).
  • 随着利尿剂剂量调整,SP-B水平动态变化,反映了NT-proBNP趋势,但具有不同的模式.

结论:

  • 血SP-B在CHF中升高,反映了临床严重程度.
  • SP-B水平随着动态的临床状态和NT-proBNP而波动.
  • SP-B是CHF住院的独立预测因素,可以作为CHF肺部变化的有价值生物标志物.