The purpose of the present study was to determine levels of adipokines and their relationship with stiffness parameters and disease activity index in SLE patients in comparison with healthy controls. Sixty SLE patients and 29 control subjects were enrolled in the study. Serum leptin and adiponectin levels were determined by commercial sandwich ELISA kits. Colour-coded carotid duplex sonography was performed using a Siemens SONOLINE Antares machine equipped with linear 5-13 MHz. SLEDAI, ECLAM and SLICC were evaluated in all patients. Data were analysed by software for statistical analysis (Prism 5.0). Median leptin is higher among SLE patients compared with controls (p 0.035). Median values of vascular stiffness and PSEM are increased in SLE compared with controls (p = 0.0003 and p = 0.007). Vascular strain and vascular distensibility are lower in SLE patients in comparison with controls (p = 0.0001 and p = 0.0006, respectively). Considering SLE patients, leptin levels correlate with vascular stiffness (r = 0.64, p < 0.0001) and PSEM (r = 0.63, p < 0.0001). Adiponectin levels correlate with vascular strain (r = 0.28, p 0.039) and negatively correlate with vascular stiffness (r = -0.38, p 0.039). Leptin levels correlate with disease activity (SLEDAI and ECLAM) and cumulative damage (SLICC) indexes. This study demonstrates higher values of leptin in SLE patients. Moreover, SLE patients show increased levels of vascular stiffness and PSEM and reduced values of vascular strain and distensibility. These results globally indicate a decline in arterial elasticity. We find a positive correlation of leptin with stiffness parameters. According to its atheroprotective action, adiponectin inversely correlates with stiffness parameters.
Detection of early carotid vascular disease in patients with systemic lupus erythematosus (SLE) is considered mandatory for evaluation of subclinical atherosclerosis (ATS), and various ultrasonographic (US) parameters have been proposed. In the present investigation, 33 SLE and 33 healthy age-matched females have been studied by colour-coded sonography of the common carotid artery, assessing intima-media thickness (IMT), vascular strain (VS), vascular distensibility (VD), vascular stiffness (VSf) and pressure-strain elastic modulus (PSEM) as possible markers of early ATS. Patients with SLE, despite equivalent exposure to "traditional" cardiovascular risk factors, presented a higher mean IMT of the common carotid artery than healthy subjects (0.7 +/- 0.2 mm vs 0.5 +/- 0.1 mm - P < 0.0001). Of the stiffness parameters, patients with lupus showed a mean VSf of 0.72 +/- 0.38 vs 0.54 +/- 0.14 in controls (P < 0.0001) and a mean PSEM of 6.0 +/- 2.8 Pa vs 3.0 +/- 1.4 Pa in controls (P < 0.0001). Mean VS and VD were significantly lower in patients with SLE than in healthy subjects (P < 0.0001). Among individuals with IMT < 0.6 mm, patients with SLE presented more compromised stiffness parameters. IMT was shown to be a useful parameter in the evaluation of vascular damage, even in a "sub-clinical" phase, while stiffness parameters provide additional details regarding endothelial and vessel functional state. Combined evaluation may allow ATS to be detected in the early stages in patients with SLE.
INTRODUZIONEN ei pazienti affetti da una malattia autoimmune cronica, come il lupus eritematoso sistemico (LES) o l'artrite reumatoide (AR), le va- Reumatismo, 2008; 60(1):50-56 0,5 SUMMARYObjective: Aim of this study was to evaluate the prevalence of alexithymia in patients affected by SLE or RA and to investigate the correlation between alexithymia and immunoendocrine parameters (PRL, hGH,. Methods: Twenty-five patients (12 and 13 affected by SLE and RA, respectively) were enrolled into the study. The Toronto Alexithymia riabili psicologiche e psicopatologiche, soprattutto quelle di tipo emozionale-affettivo, possono assumere un ruolo di particolare rilevanza (1, 2). Infatti, nel corso della vita, il paziente con malattia cronica confrontandosi con differenti stress come quelli connessi alla sintomatologia e ai trattamenti farmacologici, si trova a vivere emozioni e stati d'animo di particolare intensità e spiacevolezza, come l'ansia, la rabbia, la depressione. La capacità di riconoscere le emozioni, di distinguerle dalle sensazioni corporee, e di comunicarle, si traducono in una buona capacità di elaborazione e di funzionamento ideoaffettivo che prende il nome di regolazione affettiva. In alcuni soggetti, per ra-
The aim of this study is to evaluate the presence of antibodies to carbonic anhydrase I and/or II (ACAI and ACAII) in patients affected by connective tissue diseases (CTD) and to investigate their association with lung involvement evaluated by High resolution CT scan (HRCT). Ninety-six patients affected by CTD were studied, i.e, 33 rheumatoid arthritis (RA), 8 psoriatic arthritis (PA), 8 ankylosing spondilitis (AS), 23 Systemic Lupus Erythematosus (SLE), 10 Sjogren Syndrome (SS), and 14 Systemic Sclerosis (SSc). ACA were detected by ELISA. The lung involvement was evaluated by means of a previously described HRCT score. According to a receiver operator characteristic curve, patients were divided into those with HRCT score z 10 and those with HRCT score < 10, where HRCT score ;::: 10 was predictive of interstitial lung disease. ACAI and/or ACAII were detected in 30/96 patients (31.2%) (P
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