在2型糖尿病患者中冠状动脉微血管功能障碍的患病率
Kalyan R Chitturi1, Sant Kumar2, Flavia Tejada Frisancho3
1Section of Interventional Cardiology, MedStar Washington Hospital Center, Washington, District of Columbia, USA.
概括
2型糖尿病 (DM) 患者有更多的并发症,但与非糖尿病患者相比,冠状动脉微血管功能障碍 (CMD) 没有显著差异. 这一发现表明,DM本身可能不会直接影响心痛和非阻塞性冠状动脉疾病患者的CMD严重程度.
科学领域:
- 心脏病学 心脏病学
- 糖尿病学 糖尿病学
- 血管医学 血管医学
背景情况:
- 2型糖尿病 (DM) 与微血管并发症有关.
- 糖尿病与冠状动脉微血管功能障碍 (CMD) 之间的关联尚不清楚.
- 患有胸痛且没有阻塞性冠状动脉疾病 (ANOCA) 的患者经常出现暗示性心血管疾病的症状.
研究的目的:
- 在ANOCA患者中研究2型糖尿病 (DM) 和冠状动脉微血管功能障碍 (CMD) 之间的关系.
- 为了比较糖尿病患者和非糖尿病患者之间的微血管功能参数,进行侵入性CMD评估.
主要方法:
- 使用冠状动脉微血管疾病登记 (CMDR) 数据的观察性研究.
- 包括271名患有ANOCA的患者,他们使用CoroVentis CoroFlow系统进行了侵入性CMD评估.
- 分析了患者的人口统计数据,并发症,实验室数据和微血管生理学结果,包括微循环阻力指数 (IMR) 和冠状动脉流量储备 (CFR).
主要成果:
- 在271名患者中,73人 (26.9%) 患有DM. 糖尿病患者患高血压,高脂血症和慢性病的比率更高.
- 在糖尿病患者和非糖尿病患者之间的IMR或CFR总体上没有发现显著差异.
- 在已确诊的CMD患者中,IMR和CFR值在糖尿病和非糖尿病子组之间也可比较.
结论:
- 尽管伴随性疾病负担较高,但2型糖尿病与ANOCA患者的冠状动脉微血管功能没有显著差异.
- 这些发现表明,在这个特定的患者群体中,DM可能不是CMD严重程度的独立决定因素.
- 需要进一步的研究来探索糖尿病,并发症和微血管健康之间的复杂相互作用.
相关概念视频
Pathophysiology of Diabetes
906
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,...
906
Carbohydrate Metabolism
10.9K
Carbohydrates are polymers composed of molecules containing atoms of carbon, hydrogen and oxygen. One gram of carbohydrate can provide four kilo-calories of energy, which makes it the most efficient instant energy source.
Starch accounts for approximately 60% of the carbohydrates consumed by humans. Since amylase enzymes cannot function in the stomach's acidic environment, starch can only be digested in the mouth and small intestine. Simple sugars are found naturally in milk and fruits in...
Starch accounts for approximately 60% of the carbohydrates consumed by humans. Since amylase enzymes cannot function in the stomach's acidic environment, starch can only be digested in the mouth and small intestine. Simple sugars are found naturally in milk and fruits in...
10.9K
Diabetes: Symptoms, Diagnosis, and Complications
520
For most patients, experiencing several weeks of polyuria, polydipsia, fatigue, and significant weight loss may indicate the presence of diabetes. Furthermore, adults displaying the phenotypic appearance of type 2 diabetes (particularly those who are obese and not initially insulin-requiring), may have islet cell autoantibodies, suggesting autoimmune-mediated β cell destruction and a diagnosis of latent autoimmune diabetes of adults (LADA). The categorization of glucose homeostasis is...
520
Diabetes Mellitus: Overview and Type I Subtype
2.5K
Diabetes mellitus is a chronic metabolic disorder characterized by high blood glucose levels due to inadequate insulin production, insulin resistance, or both. The condition affects millions worldwide and can significantly impact their health and quality of life.
Type 1 diabetes is an autoimmune disease in which the immune system mistakenly attacks and destroys the insulin-producing beta cells in the pancreas. As a result, the body is unable to produce sufficient insulin, and individuals with...
Type 1 diabetes is an autoimmune disease in which the immune system mistakenly attacks and destroys the insulin-producing beta cells in the pancreas. As a result, the body is unable to produce sufficient insulin, and individuals with...
2.5K


