M12.07

Clinical Causes: History of rheumatic fever or rheumatic heart disease Persistent inflammation of joints after initial rheumatic episodes Autoimmune response that targets joint tissues Genetic predisposition influencing immune responses Delayed or inadequate treatment of initial rheumatic episodes

Key Symptoms: Joint deformities, especially in the ankles and feet Limited range of motion in affected joints Swelling and tenderness around the joint areas Pain in the ankles and feet, which may worsen with activity Deformities such as ulnar deviation or other positional changes Repeated episodes of joint swelling and stiffness Limping or difficulty walking due to joint deformities

Diagnosis Path: Diagnosis of chronic postrheumatic arthropathy involves a combination of clinical assessment, patient history, and imaging studies. Key steps include: - Reviewing history of rheumatic fever or related diseases - Physical examination to evaluate joint deformities, swelling, and mobility - Laboratory tests to identify inflammatory markers or evidence of past rheumatic activity - Imaging studies such as X-rays to observe joint damage, deformities, and structural changes While there is no specific laboratory test for this condition, the diagnosis relies on clinical features and history supported by imaging findings.

Treatment Protocols: Management of chronic postrheumatic arthropathy focuses on alleviating symptoms, preventing further joint damage, and improving quality of life. Treatment approaches include: - Nonsteroidal anti-inflammatory drugs (NSAIDs) to reduce inflammation and pain - Disease-modifying antirheumatic drugs (DMARDs) in some cases to control autoimmune activity - Physical therapy to maintain mobility and joint function - Regular exercise tailored to individual capacity - Orthotic devices or supportive footwear to assist walking - In severe cases, surgical interventions such as joint correction or fusion may be considered Early diagnosis and comprehensive management are important to minimize deformities and functional impairments associated with this condition.