Aortic pulse wave velocity measurement in systemic sclerosis patients

  • M. Colaci | michelecolaci@virgilio.it Rheumatology Unit, University of Modena and Regio Emilia, Italy.
  • D. Giuggioli
  • A. Manfredi
  • M. Sebastiani
  • F. Coppi
  • R. Rossi
  • C. Ferri

Abstract

Background. Systemic sclerosis (SSc) is characterized by endothelial dysfunction and widespread microangiopathy. However, a macrovascular damage could be also associated. Aortic pulse wave velocity (aPWV) is known to be a reliable indicator of arterial stiffness and a useful prognostic predictor of cardiovascular events. Moreover, aPWV may be easily measured by non-invasive, user-friendly tool. Aim of our study was to evaluate aPWV alterations in a series of SSc patients. Methods. The aPWV was evaluated in 35 consecutive female SSc patients and 26 sex- and age-matched healthy controls. aPWV alterations were correlated with cardiopulmonary involvement. Results. A significant increase of aPWV was observed in SSc patients compared to controls (9.4±3.2 m/s vs 7.3±1 m/s; P=0.002). In particular, 14/35 (40%) SSc patients and only 1/26 (4%) controls (P=0.0009) showed increased aPWV (>9 m/s cut-off value). Moreover, echocardiography evaluation showed an increased prevalence of right atrial and ventricular dilatation (atrial volume: 23.6±6.2 mL vs 20.3±4.3 mL, P=0.026; ventricular diameter 19.5±4.9 mm vs 15.9±1.6 mm; P=0.001) associated to higher values of pulmonary arterial systolic pressure (PAPs) in SSc patients (31.5±10.4 mmHg vs 21.6±2.9 mmHg; P<0.0001; 40% of SSc patients showed an abnormal PAPs). Clinically, SSc patients presented a reduction of six-minute walking test (413±96 m vs 491±49 m; P=0.001), not correlated with pulmonary function tests. Increased aPWV values were evidenced only in SSc patients >50 years old. Furthermore, altered aPWV was more frequently associated with limited cutaneous pattern, longer disease duration (≥5 years), and/or presence of anticentromere antibody (ACA). Conclusions. A significantly higher prevalence of abnormally increased aPWV was evidenced in SSc patients compared to healthy controls. The possibility of more pronounced and diffuse vascular damage in a particular SSc subset (ACA-positive subjects with limited cutaneous scleroderma and longer disease duration) might be raised.

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Published
2012-12-20
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Keywords:
pulse wave velocity, scleroderma, systemic sclerosis, pulmonary arterial hypertension, arterial stiffness
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How to Cite
Colaci, M., Giuggioli, D., Manfredi, A., Sebastiani, M., Coppi, F., Rossi, R., & Ferri, C. (2012). Aortic pulse wave velocity measurement in systemic sclerosis patients. Reumatismo, 64(6), 360-367. https://doi.org/10.4081/reumatismo.2012.360

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