Progress of diabetic retinopathy up to 24 years in patients with type 2 diabetes in Sweden: a cohort study from the Skaraborgs Diabetes Register

  • 0Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden grete.garberg@gu.se.

|

|

Summary

This summary is machine-generated.

High HbA1c and antihypertensive treatment increase diabetic retinopathy (DR) risk in type 2 diabetes patients. Early diagnosis and treatment can mitigate DR and sight-threatening DR (STDR) progression.

Area Of Science

  • Ophthalmology
  • Endocrinology
  • Public Health

Background

  • Investigated incidence of diabetic retinopathy (DR) and sight-threatening DR (STDR) in type 2 diabetes (T2DM) patients.
  • Examined risk factors for DR development through 2021.

Purpose Of The Study

  • To determine the cumulative incidence of DR and STDR.
  • To identify clinical risk factors associated with DR development in T2DM patients.

Main Methods

  • Utilized data from the Swedish Skaraborg Diabetes Register (1996-2004).
  • Included T2DM patients ≤70 years at diagnosis, without prior DR.
  • Employed Kaplan-Meier and Cox regression for incidence and risk factor analysis.

Main Results

  • Over 24 years, 926/2267 patients developed DR and 101 developed STDR.
  • Cumulative incidence of DR reached 29.0% at 10 years and 67.6% at 20 years.
  • Higher HbA1c and antihypertensive treatment correlated with increased DR risk; higher age and later diagnosis (1999-2004) correlated with lower risk.

Conclusions

  • Higher HbA1c and antihypertensive treatment are significant risk factors for DR and STDR.
  • Older age at diagnosis and later diagnosis period (1999-2004) were associated with reduced DR risk.
  • Findings highlight the importance of glycemic control and hypertension management in T2DM for preventing DR.

Related Concept Videos

Diabetes Mellitus: Type 2 and Gestational 01:22

4.3K

Type 2 diabetes, characterized by insulin resistance, arises when the insulin receptors on cells lose responsiveness to insulin, diminishing the cell's capacity to take up glucose, resulting in elevated blood glucose levels. To receive a diagnosis of Type 2 diabetes, a series of blood glucose tests are necessary to assess whether the blood glucose falls within normal parameters. If the result is out of the normal range, a patient may be diagnosed as prediabetic or diabetic, depending on the...

Diabetes: Symptoms, Diagnosis, and Complications 01:15

2.0K

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...

Diabetes Mellitus: Overview and Type I Subtype 01:22

4.9K

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...

Carbohydrate Metabolism 01:36

13.8K

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...

Pathophysiology of Diabetes 01:20

3.1K

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,...

Diabetes: Management and Pharmacotherapy 01:15

861

The therapy for diabetes aims to alleviate hyperglycemia-related symptoms, prevent acute metabolic decompensation, and reduce chronic end-organ complications. Glycemic control is evaluated through short-term (self-monitoring, continuous glucose monitoring) and long-term (A1c, fructosamine) metrics, enabling near real-time tracking of blood glucose levels and reflecting glycemic control over specific time frames.
Insulin remains the cornerstone of treatment for most patients with type 1 and many...