Diabetes articles
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Summary
10 papers analyzed
These studies suggest diabetes is a group of metabolic diseases characterized by hyperglycemia due to defects in insulin secretion or action, leading to long-term organ damage, with type 2 diabetes primarily caused by insulin resistance and deficiency, and current treatments often insufficient to prevent and treat the disease effectively.
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Understanding Diabetes Mellitus: Diagnosis, Classification, and Global Implications
Definition and Description of Diabetes Mellitus
Diabetes Mellitus is a group of metabolic diseases characterized by chronic hyperglycemia due to defects in insulin secretion, insulin action, or both. This condition leads to long-term damage and dysfunction of various organs, including the eyes, kidneys, nerves, heart, and blood vessels . The primary pathogenic processes range from autoimmune destruction of pancreatic β-cells, resulting in insulin deficiency, to abnormalities causing insulin resistance .
Symptoms and Complications
Symptoms of marked hyperglycemia include polyuria, polydipsia, weight loss, polyphagia, and blurred vision. Chronic hyperglycemia can also impair growth and increase susceptibility to infections . Acute, life-threatening consequences include hyperglycemia with ketoacidosis or nonketotic hyperosmolar syndrome. Long-term complications encompass retinopathy, nephropathy, peripheral neuropathy, and autonomic neuropathy, leading to gastrointestinal, genitourinary, cardiovascular symptoms, and sexual dysfunction .
Classification of Diabetes Mellitus
Diabetes is broadly classified into two main types:
Type 1 Diabetes
Type 1 diabetes is characterized by an absolute deficiency of insulin secretion due to autoimmune destruction of pancreatic β-cells. Individuals at risk can often be identified by serological evidence of an autoimmune process and genetic markers .
Type 2 Diabetes
Type 2 diabetes, the more prevalent form, results from a combination of insulin resistance and inadequate compensatory insulin secretion. This type can remain asymptomatic for a long period, with hyperglycemia detectable through plasma glucose measurements in fasting states or after an oral glucose load .
Global and Societal Implications
The incidence of diabetes, particularly type 2, has dramatically increased worldwide due to changes in human behavior and lifestyle, such as sedentary habits and rich nutrition, leading to obesity and metabolic syndrome. This epidemic is exacerbated by genetic susceptibility in certain ethnic groups and is now affecting younger populations and developing societies .
Prevalence and Incidence
A systematic review and meta-analysis revealed that the global incidence of type 1 diabetes is 15 per 100,000 people, with a prevalence of 9.5%. The increasing rates of diabetes pose significant challenges, especially in underdeveloped and developing countries where access to insulin may be limited.
Current Treatment Approaches
Standard treatment for diabetes includes diet, exercise, and medications such as biguanides and agents that increase circulating insulin. However, these treatments often fail to halt the progression of the disease, indicating a need for improved understanding and management strategies.
Conclusion
Diabetes Mellitus is a complex and multifaceted disease with significant global health implications. Effective management and prevention require a comprehensive understanding of its pathogenesis, classification, and the socio-environmental factors contributing to its rise. Addressing these challenges necessitates an integrated, international approach to reduce the morbidity and mortality associated with this chronic condition.
Sources and full results
Most relevant research papers on this topic
9
Diagnosis and classification of diabetes mellitus.
9
592 Citations
2005