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Published on: March 24, 2017
Life-threatening complications of systemic sclerosis
Moises Cossio1, Yamini Menon, Wendell Wilson
1Department of Medicine, Louisiana State University Health Sciences Center, 1901 Perdido Street, New Orleans, LA 70112, USA.
Pulmonary arterial hypertension (PAH) in systemic sclerosis (SSc) requires specific diagnosis via right heart catheterization. Treatment varies, with some patients benefiting from calcium-channel blockers, while others need advanced therapies for improved outcomes.
Area of Science:
- Rheumatology
- Cardiology
- Pulmonology
Background:
- Pulmonary arterial hypertension (PAH) is a frequent complication in patients with systemic sclerosis (SSc).
- Accurate diagnosis and tailored treatment are crucial for managing SSc-associated PAH and its related complications.
Purpose of the Study:
- To outline the diagnostic and therapeutic strategies for PAH in SSc patients.
- To differentiate SSc-related pulmonary and renal syndromes and their management.
Main Methods:
- Diagnostic approach involves Doppler echocardiography and right heart catheterization (RHC) for PAH confirmation and vasoreactivity assessment.
- Therapeutic strategies include calcium-channel blockers for vasoreactive patients and intravenous epoprostenol or oral endothelin-1 receptor antagonists for most SSc-PAH patients.
- Management of right ventricular failure focuses on vasodilators, inotropes, and diuretics, while carefully avoiding systemic hypotension.
Main Results:
- RHC is essential for confirming PAH and assessing vasoreactivity in SSc.
- Most SSc-PAH patients are not vasoreactive and benefit from specific PAH therapies.
- Scleroderma renal crisis, unlike scleroderma pulmonary renal syndrome, responds to ACE inhibition and renal replacement therapy.
Conclusions:
- Effective management of SSc-associated PAH involves precise diagnosis and targeted therapies.
- Distinguishing between scleroderma pulmonary renal syndrome and scleroderma renal crisis is vital for appropriate treatment and prognosis.
- Addressing gastrointestinal and cardiac complications is integral to comprehensive SSc care.
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