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Nailfold capillary abnormalities in childhood rheumatic diseases
The Journal of Pediatrics
|March 1, 1983
Summary
Nailfold capillary abnormalities are common in childhood rheumatic diseases, particularly dermatomyositis and scleroderma. These patterns may help diagnose systemic versus localized scleroderma and reflect vasculopathy in dermatomyositis.
Area of Science:
- Pediatric Rheumatology
- Vascular Biology
- Dermatology
Background:
- Childhood rheumatic diseases can affect various organ systems.
- Nailfold capillaroscopy is a non-invasive technique to assess microvasculature.
- Understanding microvascular changes is crucial for diagnosing and managing these conditions.
Purpose of the Study:
- To investigate nailfold capillary patterns in children with rheumatic diseases.
- To determine if specific patterns correlate with disease type or severity.
- To assess the diagnostic value of nailfold capillaroscopy in childhood rheumatic diseases.
Main Methods:
- Observation of nailfold capillary patterns in 84 pediatric patients and 34 controls.
- Morphological analysis including capillary dilation and dropout.
- Correlation with disease diagnosis (dermatomyositis, scleroderma) and biopsy findings.
Main Results:
- Distinct abnormalities found in childhood dermatomyositis and scleroderma (P < 0.001).
- Systemic scleroderma showed capillary abnormalities in all patients; cutaneous scleroderma showed none (P < 0.001).
- Abnormal patterns were most prevalent in dermatomyositis patients with multiple vascular lesions on biopsy (P = 0.041).
Conclusions:
- Nailfold capillary abnormalities are present in specific childhood rheumatic diseases.
- These findings reflect underlying vasculopathy in childhood dermatomyositis.
- Capillaroscopy may aid in differentiating localized from systemic scleroderma.