Interstitial lung disease (ILD) is a hallmark of systemic sclerosis (SSc). Although high-resolution computed tomography (HRCT) is the gold standard to diagnose ILD, recently lung ultrasound (LUS) has emerged in SSc patients as a new promising technique for the ILD evaluation, noninvasive and radiation-free. The aim of this study was to evaluate if there is a correlation between LUS, chest HRCT, pulmonary function tests findings and clinical variables of the disease. Thirty-nine patients (33 women and 6 men; mean age 51 ± 15.2 years) underwent clinical examination, HRCT, pulmonary function tests and LUS for detection of B-lines. A positive correlation exists between the number of B-lines and the HRCT score (r = 0.81, p < 0.0001), conversely a negative correlation exists between the number of B-lines and diffusing capacity of the lung for carbon monoxide (DLCO) (r = -0.63, p < 0.0001). The number of B-lines increases along with the progression of the capillaroscopic damage. A statistically significant difference in the number of B-lines was found between patients with and without digital ulcers [42 (3-84) vs 16 (4-55)]. We found that the number of B-lines increased with the progression of both HRCT score and digital vascular damage. LUS may therefore, be a useful tool to determine the best timing for HRCT execution, thus, preventing for many patients a continuous and useless exposure to ionizing radiation.

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Bakground/Aims: Cardiovascular diseases represent the leading causes of morbidity and mortality in patients with cronich kidney disease (CKD). The pathogenesis includes a complex, bidirectional interaction between heart and kidney termed cardiorenal syndrome type 4. The aim of study was to evaluate the association between renal and cardiovascular ultrasonographic parameters and identify early markers of cardiovascular risk. Methods: A total of 35 patients with CKD and 25 healthy controls, were enrolled and we have evaluated inflammatory indexes, mineral metabolism, renal function, renal and cardiovascular ultrasonographic parameters. Results: Tricuspid anular plane systolic excursion (TAPSE) and estimated pulmonary artery systolic pressure (ePAPs) showed a statistically significant difference between CKD patients and healthy controls (p<0.001, p=0.05). Also 25 hydroxyvitaminD (25-OH-VitD), parathyroid hormone (iPTH), posphorus, serum uric acid, renal resistive index (RRI) and C-reactive protein (CRP) showed a significant difference between the two groups (p=0.002, p<0.001, p<0.001, p<0.001, p<0.001, p<0.001). Moreover the TAPSE correlated positively with estimated glomerula filtration rate (eGFR) and negatively with RRI (p=0.05, p=0.008), while ePAPs correlated negatively with eGFR and positively with RRI (p=0.029, p<0.001). Conclusion: CKD can contribute to the development and progression of right ventricle dysfunction with endothelial dysfunction, inflammation and mineral metabolism disorders. Accurate assessment of right ventricular function is recommended in patients with CKD. RRI and echocardiographic parameters can be an important instrument for the diagnosis, prognosis and therapeutic assessment of cardio-renal syndrome in these patients.

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