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[Cardiac involvement at rest in patients with systemic sclerosis: differences between the limited and the diffuse
Insights
Cardiac involvement is more common and appears earlier in patients with diffuse systemic sclerosis (dcSSc) compared to limited systemic sclerosis (lcSSc). This study highlights key differences in heart disease progression between these systemic sclerosis subtypes.
Area of Science:
- Cardiology
- Rheumatology
- Systemic Sclerosis Research
Context:
- Heart involvement in systemic sclerosis (SSc) is linked to poor prognosis.
- The prevalence and specific manifestations of cardiac involvement in SSc subtypes remain incompletely understood.
- Understanding these differences is crucial for patient management and prognosis.
Purpose:
- To investigate the prevalence of common resting heart abnormalities in patients with systemic sclerosis (SSc).
- To compare the frequency of cardiac manifestations between diffuse cutaneous systemic sclerosis (dcSSc) and limited cutaneous systemic sclerosis (lcSSc) subtypes.
- To analyze the influence of disease duration on cardiac involvement in SSc.
Summary:
- This study evaluated 174 SSc patients using electrocardiography and echocardiography.
- Diffuse cutaneous SSc (dcSSc) patients exhibited a higher prevalence of heart involvement, including conduction and valvular abnormalities, particularly within the first 5-10 years post-Raynaud's phenomenon onset.
- Rhythm disturbances and left ventricular hypertrophy were also more prevalent in dcSSc, especially with longer disease durations.
Impact:
- Findings indicate that cardiac manifestations develop earlier and are more frequent in dcSSc patients compared to lcSSc patients.
- This research provides valuable insights into the differential progression of cardiac disease in SSc subtypes.
- Early identification and monitoring of cardiac involvement in dcSSc are essential for improving patient outcomes.
Background:
Heart involvement confers a poor prognosis in patients affected by systemic sclerosis (SSc). Nevertheless, the prevalence of heart involvement in these patients is not fully known. In this study we analyzed the most frequent manifestations of heart involvement at rest in a cohort of patients with SSc, comparing their prevalence in patients with the limited form (lcSSc) and in patients with the diffuse form (dcSSc) of the disease, taking also into account the duration of the disease.
Methods:
We thoroughly evaluated with electrocardiographic and echocardiographic examinations 174 patients affected by SSc who were followed at our hospital between 2001 and 2011. They were divided according to the disease subtype (dcSSc vs lcSSc) and information about the disease duration was available for 121 of them (calculated from the onset of the Raynaud's phenomenon).
Results:
Patients with dcSSc had a greater prevalence of heart involvement at rest when evaluated within 5 and 10 years after the onset of the Raynaud's phenomenon (p=0.0051 within 5 years and p=0.035 within 10 years). Indeed, patients with dcSSc had a greater prevalence of atrioventricular conduction abnormalities within 20 years after the onset of the Raynaud's phenomenon (p=0.03 within 10 years and p=0.04 within 20 years) and a greater prevalence of valvular abnormalities within 5 years (p=0.04). In dcSSc there was a greater prevalence of rhythm disturbances in patients with a disease duration ≤20 or >20 years (p=0.04 within 20 years and p=0.04 after 20 years), but not in those with a disease duration ≤5 and ≤10 years. Left ventricular hypertrophy had a greater prevalence in dcSSc after 20 years of disease duration (p=0.02).
Conclusions:
Cardiac manifestation occurs earlier and more frequently in patients affected by dcSSc than in patients with lcSSc.
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