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The aim of this study was to assess the frequency of organ- and nonorgan-specific autoantibodies in MS patients and evaluate whether the presence of autoantibodies is an indicator of disease activity and/or a prognosis factor. One hundred and five definite MS patients in different stages and with different course and 75 blood donors were tested for the autoantibodies TgA, TMA/TPO-A, PCA, ANA, aCl, SMA, AMA and ANCA. All patients were screened for the LAC. Autoantibodies to at least one autoantigen were found in 66.6% MS patients and in 13.3% controls (P < 0.001). The frequency of TgA, TMA/TPO-A, ANA, aCl and SMA was statistically higher in patients than in controls. Circulating ANCAs were found in seven MS, a never reported finding. An early onset of MS (< 20 years) was associated with a lower autoantibody frequency (P < 0.01) Primary and secondary progressive MS had a higher antibody frequency than relapsing-remitting (P < 0.05) or benign (P < 0.001) MS. Up to 86% of patients were autoantibody-positive during the acute stage, but only 30% of them remained positive during the remission stage (P < 0.001). A generalised immune dysregulation occurs in MS patients, mostly during the acute stages and in the progressive courses, involving activation of both autoreactive Th1-cells (mainly linked to CNS lesions) and B-cells via Th2 cells.

Background: Few studies evaluated the clinical outcomes of Community Acquired Pneumonia (CAP), Hospital-Acquired Pneumonia (HAP) and Health Care-Associated Pneumonia (HCAP) in relation to the adherence of antibiotic treatment to the guidelines of the Infectious Diseases Society of America (IDSA) and the American Thoracic Society (ATS) in hospitalized elderly people (65 years or older). Methods: Data were obtained from REPOSI, a prospective registry held in 87 Italian internal medicine and geriatric wards. Patients with a diagnosis of pneumonia (ICD-9 480-487) or prescribed with an antibiotic for pneumonia as indication were selected. The empirical antibiotic regimen was defined to be adherent to guidelines if concordant with the treatment regimens recommended by IDSA/ATS for CAP, HAP, and HCAP. Outcomes were assessed by logistic regression models. Results: A diagnosis of pneumonia was made in 317 patients. Only 38.8% of them received an empirical antibiotic regimen that was adherent to guidelines. However, no significant association was found between adherence to guidelines and outcomes. Having HAP, older age, and higher CIRS severity index were the main factors associated with in-hospital mortality. Conclusions: The adherence to antibiotic treatment guidelines was poor, particularly for HAP and HCAP, suggesting the need for more adherence to the optimal management of antibiotics in the elderly with pneumonia

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The depolarization abnormalities, revealed by ECG-SA, probably reflect a longer extent of myocardial fibrosis in SLE patients with ECHO evidence of abnormal left ventricular filling. The simultaneous occurrence of ECHO and ECG-SA alterations could be a marker of subclinical myocardial involvement.