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Related Concept Videos

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...
Diabetic Nephropathy01:28

Diabetic Nephropathy

Definition Diabetic nephropathy is a chronic kidney complication that results from prolonged hyperglycemia.Prevalence It is the most common cause of chronic kidney disease (CKD) and end-stage renal disease (ESRD) worldwide, affecting up to half of individuals with diabetes.Pathophysiology • Sustained hyperglycemia triggers multiple hemodynamic and metabolic changes in the kidney. • Early in the disease, increased renal blood flow and glomerular hyperfiltration occur due to afferent arteriolar...
Complications of Diabetes Mellitus01:22

Complications of Diabetes Mellitus

Diabetes mellitus is a chronic metabolic disorder characterized by persistent hyperglycemia due to insulin deficiency, resistance, or both. Prolonged hyperglycemia disrupts metabolic homeostasis and leads to acute and chronic complications.Acute ComplicationsAcute complications result from sudden metabolic imbalance.Diabetic ketoacidosis (DKA) mainly appears in type 1 diabetes but may also develop in type 2 diabetes, particularly under extreme stress. It arises from severe insulin deficiency,...
Diabetic Foot Ulcer01:31

Diabetic Foot Ulcer

Definition A diabetic foot ulcer (DFU) is a chronic, non-healing wound that develops in individuals with diabetes. It typically occurs on pressure-bearing areas such as the heel, metatarsal heads, or hallux, and carries a high risk of infection and amputation.Pathophysiology • The development of DFUs can be explained by four interconnected mechanisms: neuropathy, ischemia, infection, and impaired wound healing. • Neuropathy is the most common factor. Sensory neuropathy reduces pain perception,...
Diabetic Neuropathy01:22

Diabetic Neuropathy

DefinitionDiabetic neuropathy is nerve damage caused by long-standing diabetes mellitus. It results directly from prolonged high blood sugar levels.PathophysiologyThe pathophysiology of diabetic neuropathy involves both metabolic and vascular disturbances triggered by chronic hyperglycemia.Metabolic injury: Elevated glucose levels activate the polyol pathway within nerve cells, leading to the accumulation of sorbitol and fructose. This increases oxidative stress, disrupts normal nerve...
Type I Diabetes III: Clinical Manifestations01:19

Type I Diabetes III: Clinical Manifestations

Type 1 diabetes mellitus typically presents with rapid-onset symptoms due to the body’s inability to utilize glucose in the absence of insulin. Since insulin is required for glucose uptake into cells, its deficiency leads to hyperglycemia and cellular energy deprivation, resulting in characteristic clinical features.Polyuria and PolydipsiaOne of the earliest, most prominent symptoms is polyuria (excessive urination). When blood glucose concentrations rise above the renal threshold, the kidneys...

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Related Experiment Videos

Diabetic macular edema.

Francesco Bandello, Maurizio Battaglia Parodi, Paolo Lanzetta

    Developments in Ophthalmology
    |August 13, 2010
    PubMed
    Summary

    Diabetic macular edema (DME) is a leading cause of vision loss in diabetics. Early detection and tailored treatments are crucial for managing this complex condition.

    Area of Science:

    • Ophthalmology
    • Endocrinology
    • Diabetology

    Background:

    • Diabetic macular edema (DME) is the primary cause of vision impairment in individuals with diabetes mellitus.
    • Retinal thickening affecting the macula characterizes DME.
    • Diabetes mellitus management is critical for preventing DME-related vision loss.

    Purpose of the Study:

    • To provide a comprehensive overview of the clinical and morphofunctional aspects of DME.
    • To discuss current and emerging therapeutic strategies for DME.
    • To highlight the necessity of a multidisciplinary approach for DME management.

    Main Methods:

    • Review of current literature on DME diagnosis and treatment.
    • Analysis of diagnostic tools for DME detection and monitoring.

    Related Experiment Videos

  • Evaluation of various therapeutic options based on DME characteristics.

    • Main Results:

    • Advanced diagnostic tools aid in DME detection and monitoring.
    • Personalized therapeutic strategies are available for DME.
    • Multidisciplinary interventions are essential for optimal DME management.

    Conclusions:

    • DME requires a complex, multidisciplinary approach involving systemic and local interventions.
    • Effective management of DME relies on accurate diagnosis and tailored treatment plans.
    • Continued research into DME pathogenesis and treatment is vital for preserving vision in diabetic patients.