[Platelet spreading in diabetes mellitus]

G Syrbe1, A Jütte, D Jorke

  • 1Klinik und Poliklinik für Innere Medizin, Friedrich-Schiller-Universität Jena, DDR.

Folia Haematologica (Leipzig, Germany : 1928)
|January 1, 1988
PubMed

Insights

Thrombocyte spreading increased in older individuals and diabetics, correlating with retinopathy severity. This suggests impaired metabolic and vascular health in diabetes mellitus.

Area of Science:

  • Biomedical Science
  • Hematology
  • Diabetology

Context:

  • Investigated thrombocyte spreading in 162 individuals, including healthy controls and patients with type I and type II diabetes.
  • Analyzed the influence of age, sex, retinopathy severity, disease duration, blood sugar, and HbA1 concentration on thrombocyte spreading.

Purpose:

  • To examine the relationship between thrombocyte spreading and diabetes mellitus, considering various clinical factors.
  • To determine if altered thrombocyte spreading is associated with diabetic complications like retinopathy.

Summary:

  • Increased thrombocyte spreading was observed in older individuals and in both types of diabetics.
  • A strong correlation was found between the extent of retinopathy and the prevalence of spread thrombocyte forms.
  • Elevated thrombocyte spreading capacity may indicate a compromised metabolic and vascular state in diabetes mellitus.

Impact:

  • Highlights a potential biomarker for metabolic and vascular disturbances in diabetes.
  • Suggests that thrombocyte behavior could be a factor in the pathogenesis of diabetic retinopathy.
  • Provides insights into the systemic vascular effects of diabetes mellitus.

Related Concept Videos

Structure and Function of Platelets01:18

Structure and Function of Platelets

The cell fragments known as platelets are disc-shaped, with an average diameter of about 3 μm and a thickness of roughly 1 μm. They play a crucial role in the body's vascular clotting system, which also involves plasma proteins, blood cells, and blood vessel tissues.
Platelets are continually replenished, circulating in the bloodstream for 9-12 days before being removed by phagocytes, primarily in the spleen. A microliter of circulating blood contains between 150,000 and 450,000 platelets, with...
Formation of the Platelet Plug01:22

Formation of the Platelet Plug

The platelet phase, the second stage of hemostasis, commences around 15-20 seconds after an injury. It follows and overlaps with the vascular phase, during which blood vessels constrict to minimize blood loss.
As the injured blood vessel contracts, endothelial cells undergo contraction, revealing collagen fibers in the basement membrane and underlying connective tissue. Furthermore, the plasma membrane of endothelial cells becomes adhesive, preparing the site for platelet adhesion. Platelets...
Disorders of Hemostasis01:24

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.
Pathophysiology of Diabetes01:20

Pathophysiology of Diabetes

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, suggesting a...
Peripheral Artery Disease I: Introduction01:30

Peripheral Artery Disease I: Introduction

Peripheral artery disease (PAD) predominantly results from atherosclerosis, which involves the accumulation of fatty deposits, or plaques, within the walls of arteries. This causes them to narrow and harden, significantly reducing blood flow. PAD predominantly affects the legs, particularly the arteries supplying the thighs and calves. In rare cases, it may involve other arteries, including those in the arms.Etiology of PAD:The principal cause of PAD is atherosclerosis, which results from fatty...
Diabetic Retinopathy01:27

Diabetic Retinopathy

DefinitionDiabetic retinopathy is a microvascular complication of diabetes affecting the retinal blood vessels.Risk FactorsDiabetic retinopathy is present in almost all individuals with type 1 diabetes and more than 60% of those with type 2 diabetes after two decades of disease.The risk increases with poor glycemic control, hypertension, dyslipidemia, smoking, pregnancy, and puberty.Although cataracts and glaucoma are also more frequent in people with diabetes, retinopathy remains the leading...