相关实验视频
Updated: Jan 25, 2026

10:27
An Ultrasonic Tool for Nerve Conduction Block in Diabetic Rat Models
Published on: October 20, 2017
7.9K
神经肌肉超声波和神经传导研究作为查糖尿病外围神经病变的补充工具
Amani Nawito1, Shahenda Al Menabbawy1, Basma Bahgat El Sayed1
1Clinical Neurophysiology Unit, Department of Neurology and Clinical Neurophysiology, Faculty of Medicine, Cairo University, Cairo, Egypt.
概括
神经肌肉超声波 (NMUS) 可以帮助查糖尿病多神经病 (DPN),这是糖尿病 (DM) 的并发症. 在NMUS上较大的外围神经横截面积 (CSA) 表示DPN,补充神经传导研究 (NCS).
科学领域:
- 神经学 神经学
- 医疗成像医学成像
- 糖尿病学 糖尿病学
背景情况:
- 糖尿病多神经病 (DPN) 是糖尿病 (DM) 的常见并发症,导致疼痛,麻木和运动缺陷.
- DPN显著影响患者的生活质量,如果不及时管理,就会造成财务负担.
- 神经导电研究 (NCS) 是DPN诊断的标准,但神经肌肉超声波 (NMUS) 提供了一个更舒适的替代方案.
研究的目的:
- 评估NMUS作为DPN查工具的有效性.
- 为了比较NMUS发现与糖尿病患者的NCS.
- 为了确定NMUS参数和DPN严重程度之间的相关性.
主要方法:
- 一项涉及58名II型糖尿病患者的横截面研究,根据修改的多伦多临床神经病变评分 (mTCNS) 分类.
- 使用NMUS测量上肢和下肢神经的横截面积 (CSA) 和肌肉厚度 (MT).
- 将NMUS发现与NCS结果进行比较,并与疾病持续时间和HbA1c等临床参数相关联.
主要成果:
- 在患有DPN的患者中观察到较大的CSA后部和部神经.
- 表面神经CSA切线2mm2显示了93.33%的灵敏度和64.29%的DPN检测特异性 (AUC80%).
- 在NMUS发现和疾病持续时间,HbA1c和mTCNS得分之间发现了积极的相关性;微血管并发症与神经CSA和MT的改变有关.
结论:
- NMUS是DPN查和诊断中NCS的一个有价值的补充工具.
- 特定的NMUS参数,如外围神经CSA,对识别DPN具有很高的灵敏度.
- NMUS发现与糖尿病患者的疾病严重程度和并发症相关,有助于全面评估DPN.
相关概念视频
Complementary DNA
31.4K
Overview
31.4K
Peripheral Nervous System: Ganglia and Nerves
5.3K
The Peripheral Nervous System (PNS) is a crucial component of the body's neural network, extending beyond the central nervous system (CNS) to bridge the gap between the CNS and the external environment. It encompasses nerves, ganglia, and sensory receptors.
Nerves
The nerve is a bundle of axons that serves as the communication highway in the PNS. Each nerve is ensheathed in a protective layer of connective tissue called the epineurium. This outermost layer safeguards the nerve and supports the...
Nerves
The nerve is a bundle of axons that serves as the communication highway in the PNS. Each nerve is ensheathed in a protective layer of connective tissue called the epineurium. This outermost layer safeguards the nerve and supports the...
5.3K
Pathophysiology of Diabetes
3.3K
Diabetes mellitus is a chronic metabolic disorder characterized by hyperglycemia. The four categories of diabetes are type 1 diabetes, type 2 diabetes, other specific types of diabetes, and gestational diabetes.
Type 1 diabetes is characterized by autoimmune-mediated destruction of pancreatic β cells, with environmental factors potentially triggering this process in genetically susceptible individuals. Despite many not having a family history, certain genes increase susceptibility,...
Type 1 diabetes is characterized by autoimmune-mediated destruction of pancreatic β cells, with environmental factors potentially triggering this process in genetically susceptible individuals. Despite many not having a family history, certain genes increase susceptibility,...
3.3K
Conduct Disorder
513
Conduct disorder is a complex mental health diagnosis characterized by a repetitive and persistent pattern of behavior that violates societal norms, the rights of others, or age-appropriate rules. The diagnostic criteria for conduct disorder require the presence of at least three problematic behaviors within the past 12 months, with at least one occurring in the past six months. These behaviors are grouped into four categories: aggression toward people and animals; destruction of property;...
513
Conduction System of the Heart
12.8K
Autorhythmicity is a term that refers to the heart's inherent ability to generate electrical signals and instigate muscle contractions. This self-regulating conduction system within the heart consists of two key components: the pacemaker cells and specialized conducting cells.
The pacemaker cells are located in two primary nodes: the sinoatrial (SA) node and the atrioventricular (AV) node. The SA node pacemaker cells can autonomously depolarize, triggering an action potential that leads to the...
The pacemaker cells are located in two primary nodes: the sinoatrial (SA) node and the atrioventricular (AV) node. The SA node pacemaker cells can autonomously depolarize, triggering an action potential that leads to the...
12.8K
Conduction System of the Heart
3.6K
The cardiac conduction system produces and transmits electrical impulses that prompt myocardial contraction, ensuring efficient heart function. This intricate system ensures that the heart beats in a coordinated and efficient manner, beginning with the atria and then the ventricles. The conduction system optimizes cardiac output by maintaining this precise sequence, which is crucial for adequate blood circulation.
This system relies on the unique properties of nodal and Purkinje cells:...
This system relies on the unique properties of nodal and Purkinje cells:...
3.6K

