相关实验视频
Updated: Jan 8, 2026
11:46
Shotgun Lipidomics of Rodent Tissues
Published on: November 18, 2022
2.6K
综合脂质-炎症指数和死亡风险在NHANES 2007-2016年
Xinyue Zhao1, Nan Zhang2, Tao Yan1
1Department of Health Statistics, School of Public Health, Inner Mongolia Medical University, Hohhot, China.
Medicine
|December 16, 2025
概括
较高的血动脉生成指数 (AIP),全身免疫-炎症指数 (SII),单细胞与高密度脂蛋白胆固醇比率 (MHR) 和中性粒细胞与高密度脂蛋白胆固醇比率 (NHR) 预测心血管疾病和全因死亡风险.
科学领域:
- 心血管医学 心血管医学
- 生物标志物 生物标志物
- 公共卫生 公共卫生
背景情况:
- 心血管疾病 (CVD) 仍然是全球主要的死亡原因.
- 需要新的生物标志物来改善心血管疾病风险分层.
- 炎症和脂质相关指数是心血管疾病风险的潜在指标.
研究的目的:
- 调查血动脉质指数 (AIP),全身免疫炎症指数 (SII),单细胞与高密度脂蛋白胆固醇比率 (MHR) 和中性粒细胞与高密度脂蛋白胆固醇比率 (NHR) 与心血管疾病死亡率的关联.
- 评估这些生物标志物与全因死亡率之间的关系.
- 评估这些指数作为新型心血管疾病风险分层工具的潜力.
主要方法:
- 利用了2007-2016年国家健康和营养检查调查 (NHANES) 的数据.
- 采用Cox的比例危险模型来分析11,188名参与者的死亡结果.
- 调整了包括年龄,性别,种族,吸烟和酒精消费在内的共同变量.
主要成果:
- 高水平的AIP,SII,MHR和NHR与心血管疾病死亡率的风险增加显著相关.
- 这些生物标志物也显示出与全因死亡率的显著关联.
- 经过多种混因素的调整后,观察到的关联仍然很强.
结论:
- AIP,SII,MHR和NHR被确定为心血管和全因死亡的重要风险因素.
- 这些指数显示出作为新生物标志物的潜力,用于增强心血管疾病的临床风险分层.
- 需要进一步的研究来验证它们在不同人群中的临床实用性.
相关概念视频
01:31Lipid-derived Compounds in the Human Body
6.2K
Fats and lipids are crucial components in the human body. Some lipid-derived compounds, such as fat-soluble vitamins, eicosanoids, lipoproteins, and glycolipids, also play unique roles to support various biological processes .
Fat-soluble Vitamins
Fat-soluble vitamins, including vitamins A, D, E, and K, are required in minimal quantities, but their deficiencies can lead to severely abnormal physiological conditions. For example, vitamin A deficiency can cause night blindness, dry skin,...
Fat-soluble Vitamins
Fat-soluble vitamins, including vitamins A, D, E, and K, are required in minimal quantities, but their deficiencies can lead to severely abnormal physiological conditions. For example, vitamin A deficiency can cause night blindness, dry skin,...
6.2K
01:19Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers
518
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...
These markers indicate stress or strain on the heart muscle:
Natriuretic Peptides (BNP)
Cardiac myocytes produce these hormones in response to ventricular stretching...
518
01:38Inflammation
61.4K
Overview
61.4K
01:26Atherosclerosis III: Management
293
Management of atherosclerosis involves an integrated strategy encompassing pharmacological treatment, surgical interventions, lifestyle changes, and nutrition therapy to address the multifactorial nature of the disease.Pharmacological TherapyA cornerstone of atherosclerosis management is the use of pharmacological agents. Statins, such as atorvastatin, are pivotal in inhibiting HMG-CoA reductase, an enzyme that catalyzes an initial step in cholesterol synthesis in the liver. This reduction in...
293
01:25Blood Studies for Cardiovascular System III: Serum Lipid Profile
534
Understanding serum lipids is crucial for maintaining cardiovascular health and preventing heart disease and stroke.
Serum lipids are fats and fatty substances in the blood and are crucial for various bodily functions, including energy storage, cellular structure, and hormone production. Serum lipids consist of cholesterol, triglycerides, and phospholipids.
Cholesterol is a soft, fat-like substance found in all body cells. It is crucial for producing hormones, vitamin D, and substances that aid...
Serum lipids are fats and fatty substances in the blood and are crucial for various bodily functions, including energy storage, cellular structure, and hormone production. Serum lipids consist of cholesterol, triglycerides, and phospholipids.
Cholesterol is a soft, fat-like substance found in all body cells. It is crucial for producing hormones, vitamin D, and substances that aid...
534
01:18Lipids: Dietary Sources and Requirements
1.8K
Lipids are an essential component of a balanced human diet. Triglycerides, which make up the majority of dietary lipids, are found in both saturated fats—commonly present in meat, dairy products, and certain tropical plants like coconut, and hydrogenated oils such as margarine and baking shortenings (trans fats)—and unsaturated fats, which are abundant in seeds, nuts, olive oil, and most vegetable oils. The main sources of cholesterol include egg yolks, various meats and organ...
1.8K