Sixty SLE patients with only primary neuropsychiatric manifestations (NP-SLE), (54 female and six male; mean age 44.5) were compared consecutively. Forty-six of the patients (78.3%) were presented with a combination of neuropsychiatric symptoms. Except for the standard immunoserological test, all patients underwent clinical, neurological and psychiatric examination, electrophysiological tests [EEG (electro-encephalography involves recording and analysis of electrical signals generated by the brain), EP (the evoked potentials method involves analysis of a series of electrical signals generated in parts of the nervous system following stimulation of sense organs and peripheral nerves) and EMNG (electro-myo-neography is a method of measurement of electrical activity arising from muscle fibers and peripheral nerves)]. This method presents a valuable tool for assessment of functional state of peripheral nervous systems and muscles)), and neuroimaging (MRI of the brain). Thirty-seven out of 60 patients with NP-SLE (group I) were treated with a low dose of i.v. cyclophosphamide (200-400 mg per month). The average daily oral dose of prednisone in these patients was 20.5 mg. Group II consisted of 23 patients treated with pridnisone (mean dose 20.5 per day) only or with antimalarials. Patients in the first group showed a considerable clinical and electrophysiological improvement of cerebral function, while there was only a slight or no improvement in the second group. The difference between groups was statistically significant.
We discuss the presence of anti-keratin antibodies (AKA) of the IgG class in patients with defined juvenile idiopathic arthritis (JIA). An indirect immunofluorescence test and rat oesophagus substrate was used for the detection and quantification of AKA antibodies in patients´ sera. Overall 33/60 patients with JIA had sera positive for AKA (55 %, P = 0,0001) ranging from 1:10 to 1:160 dilutions. Following idiopathic arthritis of childhood classification criteria AKA occurred in 2/7 patients with systemic disease (28,6 %), in 13/30 patients with RF negative polyarthritis (43,3 %, P = 0,008) and in 15/18 RF positive polyarthritis (83,3 %, P = 0,000002). AKA were also found in a small cohort of patients with oligoarthritis (1/3) and psoriatic arthritis (2/2). AKA positivity occurred in 3/26 healthy controls at a 1:20 dilution. The presence of AKA was correlated as well as with the severity of the disease. Our study revealed that AKA was present overall in 18/29 patients (62%) with severe JIA and in 12/26 patients (46,2 %) with non-severe disease, however this did not reach statistical significance (P = 0,18). We also observed that AKA remained positive regardless of disease activity. AKA were detectable in 55,6 % patients with active JIA and in 48,6 % patients in the complete or near remission. Acknowledgement: This research was supported by a European Commission (Acronym: EUROBANK, contract no: QOL-2000-14.1), web site http://www.ncl.ac.uk and by grant of 2nd Medical Faculty, Charles University in Prague, VZ no. 111300003. P2The significance of antibodies to cyclic citrullinated peptide, antikeratin antibodies, antiperinuclear factor, rheumatoid factor isotypes and HLA shared epitope in prediction of erosive disease in early rheumatoid arthritis patients J Vencovsky, L Sedova, S Machacek, J Gatterova, V Pesakova, J Kafkova and O Krystufkova Institute of Rheumatology, Prague, Czech RepublicObjectives: To evaluate a predictive value of autoantibody examinations in development of erosive disease in early rheumatoid arthritis (RA). Patients and methods: One hundred and fourteen patients with disease duration less than 2 years after the onset of symptoms were investigated. Only patients who fulfilled the diagnostic criteria for RA either at the beginning of the disease or during the follow-up period were included. The antibodies to cyclic citrullinated peptide (anti-CCP) (Immunoscan RA, Euro-diagnostica, The Netherlands), IgM, IgA and IgG rheumatoid factors (RF) were measured by ELISA, antikeratin antibodies (AKA) and antiperinuclear factor (APF) were detected by indirect immunofluorescence, and the presence of HLA shared epitope (HLA SE) was detected by PCR with sequence specific primers. Patients were divided into two groups, either with erosive or non-erosive changes present on the hand or/and feet radiographs at the end of 24 months follow-up. Results: Seventy-six (66.7%) patients developed bony erosion, whereas 38 (33.3%) remained without destructive changes. The initial anti-CCP, AKA, APF, IgM RF, IgA RF, IgG RF ...
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