Nutritional status measured by BMI is impaired and correlates with left ventricular mass in patients with systemic sclerosis
2014
Rosato, Edoardo | Gigante, Antonietta | Gasperini, Maria Ludovica | Molinaro, Ilenia | Di Lazzaro Giraldi, Gianluca | Afeltra, Antonella | Amoroso, Daria | Salsano, Felice | Rossi-Fanelli, Filippo | Laviano, Alessandro
Systemic sclerosis (SSc) is a multisystemic chronic disease that is complicated by protein–energy malnutrition (PEM). Considering that PEM also may influence left ventricular mass (LVM), the aim of this study was to evaluate whether LVM is related to patients’ nutritional status and to determine clinically relevant features of SSc.Adult patients referring to our institution were considered. Body weight, height, body mass index (BMI), involuntary weight loss, and the presence of gastrointestinal symptoms were recorded. Echocardiography was performed to assess LVM, using the Devereux regression formula. Results were then normalized by body surface area. Pattern, skin thickening, disease activity and severity, and duration were assessed to characterize SSc.Ninety-four patents with SSc (81 women and 13 men; median duration of disease 7 y) were studied. The prevalence of PEM as assessed by BMI < 20 kg/m² was 19%, whereas 15% of patients reported involuntary weight loss of any degree. Patients who lost weight reported gastrointestinal symptoms more frequently (P < 0.05). PEM was not associated with disease activity. LVM (g/m²) correlated with patients’ BMI (r = 0.32; P < 0.01), and the vascular domain of disease severity (DDS; r = 0.21; P < 0.05), but it showed a negative correlation with skin thickening (r = –0.21 P = 0.01). Patients with ulcers had a significantly greater LVM than patients without skin lesions.Our study shows that LVM correlates with patients’ BMI, skin thickening, and the vascular domain of DSS. Therefore, LVM could serve as a marker of nutritional status and fibrosis in patients with SSc.
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