相关实验视频
Updated: Jul 22, 2026

08:08
Cardiopulmonary Bypass in a Mouse Model: A Novel Approach
Published on: September 22, 2017
心肺绕道对血小板分布宽度,红细胞分布宽度 - 标准偏差和血小板大细胞比率的影响
Bişar Amaç1, Murat Ziya Bağiş2
1Harran University, Faculty of Health Sciences, Department of Perfusion, Sanliurfa, Turkey.
Cardiovascular journal of Africa
|March 3, 2026
概括
心肺绕道 (CPB) 在手术后显著影响红细胞分布宽度标准偏差 (RDW-SD) 和血小板大细胞比率 (P-LCR) 水平. 这些,以及血小板分布宽度 (PDW),显示CPB后不良事件的预后价值.
科学领域:
- 心血管外科心血管外科
- 血液学 血液学 血液学
- 临床病理学 临床病理学
背景情况:
- 术前血小板分布宽度 (PDW),红细胞分布宽度标准偏差 (RDW-SD) 和血小板大细胞比率 (P-LCR) 可能预测心脏手术患者的不良结果.
- 了解心肺绕道 (CPB) 对这些血液学参数的影响至关重要.
研究的目的:
- 评估CPB对PDW,RDW-SD和P-LCR的影响.
- 评估这些参数与CPB导向心脏手术后的早期临床结果之间的关系.
主要方法:
- 追溯研究包括240名接受CPB指导心脏手术的患者.
- 术前和术后PDW,RDW-SD和P-LCR水平的比较.
- 血液学参数与临床结果之间的相关性分析 (出血,ICU住院,住院,输管时间).
主要成果:
- 与手术前水平相比,手术后RDW-SD和P-LCR水平显著增加 (p=0.000和p=0.009).
- 在PDW水平上没有观察到显著差异 (p=0.251).
- PDW与手术内出血,ICU和住院相关. 与出血相关的P-LCR. RDW-SD与输管时间,ICU和住院时间相关.
结论:
- CPB会影响RDW-SD和P-LCR水平.
- 在PDW,RDW-SD,P-LCR和早期CPB后临床数据之间存在显著的关系.
- PDW,RDW-SD和P-LCR在CPB后预测不良事件时具有预后价值.
相关概念视频
Characteristics and Functions of Blood
Blood is specialized connective tissue comprising about 8% of the body mass. It has a thick, liquid extracellular matrix that contains cells, dissolved proteins, and electrolytes, making it five times more viscous than water. Blood is warm, around 38°C, and has an alkaline pH ranging from 7.35 to 7.45.
The primary function of blood is to transport oxygen and carbon dioxide between tissues and the lungs. Oxygenated blood is bright red, while oxygen-depleted blood is darker. It also carries...
The primary function of blood is to transport oxygen and carbon dioxide between tissues and the lungs. Oxygenated blood is bright red, while oxygen-depleted blood is darker. It also carries...
Structure and Function of Erythrocytes
There are between 4.2 and 6 million erythrocytes, also known as red blood cells, in every microliter of blood. These cells are small, flattened biconcave discs with centers that are depressed.
The erythrocyte plasma membrane is associated with proteins such as spectrin, which forms a flexible cytoplasmic meshwork. This meshwork allows erythrocytes to twist, turn, become cup-shaped, and regain their biconcave shape as they pass through narrow capillaries. Additionally, erythrocytes can form...
The erythrocyte plasma membrane is associated with proteins such as spectrin, which forms a flexible cytoplasmic meshwork. This meshwork allows erythrocytes to twist, turn, become cup-shaped, and regain their biconcave shape as they pass through narrow capillaries. Additionally, erythrocytes can form...
Disorders of Erythrocytes
Disorders of erythrocytes, or red blood cells (RBCs), include a range of conditions affecting their number, shape, or function.
Erythrocyte disorders can be broadly categorized into two main types: anemic and polycythemic conditions.
A low oxygen-carrying capacity of the blood due to the loss, lower production, or destruction of erythrocytes is termed anemia. Hemorrhagic anemia, for example, occurs when bleeding from an external wound or internal ulcer reduces erythrocyte counts.
On the other...
Erythrocyte disorders can be broadly categorized into two main types: anemic and polycythemic conditions.
A low oxygen-carrying capacity of the blood due to the loss, lower production, or destruction of erythrocytes is termed anemia. Hemorrhagic anemia, for example, occurs when bleeding from an external wound or internal ulcer reduces erythrocyte counts.
On the other...
Disorders of Hemostasis
Hemostasis, the process that stops bleeding after a blood vessel injury, is crucial for maintaining the integrity of the circulatory system. However, disorders of hemostasis can disrupt this delicate balance, leading to either excessive clotting or bleeding. These disorders can be broadly classified into thromboembolic disorders and bleeding disorders.
Thromboembolic Disorders
Two factors primarily cause thromboembolic conditions.
Thromboembolic Disorders
Two factors primarily cause thromboembolic conditions.
Blood Transfusion
Blood transfusion is a critical medical procedure that saves lives and treats various medical conditions. It involves transferring blood from a donor to a recipient. This process requires a thorough understanding of the ABO blood group system and its associated antigens and antibodies.
Blood Transfusion Overview
A blood transfusion is a medical procedure used to replace blood lost due to injury, surgery, or to treat conditions such as anemia or cancer. During a transfusion, donor blood is...
Blood Transfusion Overview
A blood transfusion is a medical procedure used to replace blood lost due to injury, surgery, or to treat conditions such as anemia or cancer. During a transfusion, donor blood is...
Factors Affecting Erythropoiesis
The cardiovascular system regulates the number of erythrocytes in the bloodstream to ensure optimal oxygen transport. It also prevents over-proliferation of these cells, which helps to maintain blood viscosity and flow rate.
Several factors influence the erythrocyte production rate, with tissue oxygen level being among the most critical. Intense exercise or high altitudes can cause tissue hypoxia, which triggers the kidneys to release more erythropoietin (EPO) into the bloodstream.
EPO then...
Several factors influence the erythrocyte production rate, with tissue oxygen level being among the most critical. Intense exercise or high altitudes can cause tissue hypoxia, which triggers the kidneys to release more erythropoietin (EPO) into the bloodstream.
EPO then...

