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Respiratory failure in a patient with dermatomyositis
Ivano Salimbene1, Ilaria Leli, Salvatore Valente
1Department of Pulmonary Medicine, A, Gemelli University Polyclinic, Sacro Cuore Catholic University, Largo A, Gemelli 8, Rome, 00168, Italy. ivano.max@libero.it.
Multidisciplinary Respiratory Medicine
|March 28, 2013
Summary
Dermatomyositis can cause serious interstitial lung disease (ILD) and respiratory failure. This case highlights the need for noninvasive ventilation in managing severe ILD complications associated with dermatomyositis.
Area of Science:
- Rheumatology
- Pulmonology
- Immunology
Background:
- The association between interstitial lung disease (ILD) and inflammatory myopathies like polymyositis (PM) and dermatomyositis (DM) is well-established.
- ILD is a significant cause of mortality in rheumatic diseases, accounting for a substantial percentage of ILD deaths.
- Non-Specific Interstitial Pneumonia (NSIP) is the predominant pattern of lung disease in PM and DM.
Observation:
- A 57-year-old female presented with asthenia and myalgia, diagnosed with acute-phase dermatomyositis.
- Despite initial treatments including steroids, tacrolimus, and immunoglobulin, the patient experienced recurrent myositis and poorly controlled interstitial lung disease.
- CT scans revealed bronchiectasis, air trapping, and fibrotic changes consistent with NSIP.
Findings:
- The patient developed hypoxic-hypercapnic respiratory failure, indicated by arterial blood gas analysis.
- Noninvasive mechanical ventilation with a helmet interface was initiated due to severe desaturation unresponsive to oxygen therapy.
- The ventilatory support resolved the respiratory failure within a week.
Implications:
- This case underscores the potential for severe pulmonary complications in dermatomyositis patients.
- Prompt recognition and management of ILD are crucial in patients with inflammatory myopathies.
- Noninvasive ventilation can be a life-saving intervention for respiratory failure secondary to dermatomyositis-related ILD.
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