LADA диабет: аутоиммунный тип сахарного диабета. #сахарныйдиабет #lada

TL;DR

Key insights

LADA diabetes is an autoimmune form of diabetes that differs from Type 1 and Type 2.

• It's also known as Latent Autoimmune Diabetes of Adults (LADA) or atypical autoimmune diabetes.
• Current classifications refer to it as 'atypical forms of immune-mediated diabetes'.
• It's often misdiagnosed as Type 2 diabetes, especially in adults over 18 without excess weight.

Diagnosis of LADA relies on specific criteria, including antibody presence.

• The absolute criterion is the presence of at least one type of diabetes-related autoantibody (GAD, insulin, beta-cell, tyrosine phosphatase, zinc transporter 8).
• Relative criteria include age (typically over 35, but can occur earlier or later) and absence of absolute insulin need for the first 6 months.
• C-peptide levels are usually at the lower end of normal or slightly decreased at diagnosis.

LADA patients often present with specific clinical characteristics and co-occurring conditions.

• They are typically lean, lacking the insulin resistance seen in Type 2 diabetes.
• Autoimmune diseases, particularly autoimmune thyroiditis, are common comorbidities.
• Other autoimmune conditions like psoriasis, autoimmune gastritis, and connective tissue diseases can also be present.

Management of LADA requires a tailored approach, avoiding certain medications.

• Sulfonylurea drugs are contraindicated as they can accelerate beta-cell exhaustion.
• DPP-4 inhibitors are often beneficial as they can protect beta-cell function.
• Metformin is generally ineffective due to the absence of insulin resistance.

Correct diagnosis of LADA is crucial for effective treatment and complication prevention.

• Many patients are misdiagnosed, leading to suboptimal treatment.
• Testing for autoantibodies and C-peptide is essential for accurate diagnosis.
• Physical activity is well-tolerated and helps lower blood sugar levels.

Key moments

• 00:42Introduction to LADA diabetes, explaining it's an autoimmune type distinct from Type 1 and Type 2, and its current classification as 'atypical forms of immune-mediated diabetes'.
• 02:09Explanation of diagnostic criteria for LADA, emphasizing the necessity of detecting at least one type of autoantibody (GAD, insulin, beta-cell, tyrosine phosphatase, zinc transporter 8).
• 04:17Discussion of LADA diagnosis criteria: presence of antibodies, age typically over 35 (though variable), and absence of absolute insulin need for the first 6 months.
• 07:54Characteristics of LADA patients: typically lean, lacking insulin resistance, with C-peptide levels at the lower end of normal or slightly decreased at diagnosis.
• 13:44Clinical signs suggesting LADA: presence of other autoimmune diseases (especially thyroiditis), psoriasis, autoimmune gastritis, and a family history of autoimmune conditions.
• 18:31Management strategies for LADA: emphasizing physical activity, contraindicating sulfonylurea drugs, and recommending DPP-4 inhibitors for beta-cell protection.