SIMONE FARGETTI
Projetos de Pesquisa
Unidades Organizacionais
LIM/17 - Laboratório de Investigação em Reumatologia, Hospital das Clínicas, Faculdade de Medicina
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conferenceObject PERIPHERAL NERVOUS SYSTEM DISEASE IN SYSTEMIC LUPUS ERYTHEMATOSUS: THE ROLE OF PREDISPOSING CONDITIONS(2018) FARGETTI, S.; BONFA, E.; SHINJO, S. K.; PASOTO, S. G.; SEGURO, L. P. C.; LOPES, M. R. U.; GONCALVES, C. R.; BORBA, E. F.conferenceObject SHORT AND LONG-TERM FOLLOW-UP OF PERIPHERAL NEUROPATHY DUE TO SYSTEMIC LUPUS ERYTHEMATOSUS: EVIDENCE OF A FAVORABLE OUTCOME(2018) FARGETTI, S.; BONFA, E.; SHINJO, S. K.; PASOTO, S. G.; SEGURO, L. P. C.; LOPES, M. R. U.; GONCALVES, C. R.; BORBA, E. F.conferenceObject Peripheral Neuropathy Due to Systemic Lupus Erythematosus (SLE) Itself: Incidence, Disease Risk Factors and Outcome(2012) FARGETTI, Simone; SHINJO, Samuel K.; PASOTO, Sandra G.; CALICH, Ana L.; BONFA, Eloisa; BORBA, Eduardo F.Background/Purpose: Peripheral neuropathy (PN) solely attributable to SLE itself is difficult to define since most of these patients are exposed to several other conditions that may cause this manifestation. The aim is to determine characteristics and outcome of PN attributed exclusively to SLE and its possible association with clinical/laboratorial features in a large cohort. Methods: SLE patients (ACR 1997) with PN were identified from our Lupus Outpatient Clinic computerized database of 1038 patients. Only patients with definitive PN proved by electroneuromyography were included. Exclusion criteria were conditions related to PN: diabetes mellitus, alcohol consumption, use of any drug related to neuropathy (thalidomide, statins, etc.), thyroid disease, infection, cancer, vitamin B12 deficiency, renal or hepatic failure, and other autoimmune disease (antiphospholipid syndrome, Sjogren’s syndrome, etc.). Medical records were extensively reviewed and included clinical/laboratorial data, treatment, and evolution. Each SLE patient with PN [n 22] was compared with 2 SLE patients without PN (controls) [n 44] that were age- and sex-matched and had similar disease duration. Results: PN exclusively attributed to SLE was identified in 22 patients (2.1%). The mean age (34.4 11.6 vs. 33.9 9.6 years, p 0.85) and disease duration (9.2 7.7 vs. 9.9 6.8 years, p 0.73) of PN were similar to controls. The interval between SLE onset and PN diagnosis was 4.9 5.7 years and the mean SLEDAI scores was higher in PN patients (5.4 7.6 vs. 1.8 2.9,p 0.001). The most common pattern on electroneuromyography was sensorimotor polyneuropathy of lower limbs (50%), followed by monon-europathy (26.9%), and polyradiculoneuropathy (15.3%). PN was associated to hematological involvement (72.7% vs. 43.2%,p 0.036), leukopenia (50% vs. 20.5%,p 0.022), lymphopenia (68.2% vs. 29.5%,p 0.004), cutaneous vasculitis (54.5% vs. 22.7%,p 0.014), and anti-Sm (50% vs. 15.9%,p 0.007). Multivariate analysis revealed that PN was related to anti-Sm (OR 5.36; 95%CI 1.37–20.99) and cutaneous vasculitis (OR 4.97; 95%CI 1.23–20.08). All SLE patients received corticosteroids, most of them associated with immunosuppressive drug (59% cyclophosphamide; 31.8% azathioprine). After immunosuppressive therapy, 63.6% improved of neurological symptoms and 31.8% remained stable. Conclusion: Our study suggested that PN attributed to SLE itself is rare in the absence of other conditions and seems to be strongly associated to anti-Sm antibodies and cutaneous vasculitis. A favorable outcome with immunosuppressive therapy is observed in most of SLE patients with this neurological manifestation.- Short- and Long-Term Outcome of Systemic Lupus Erythematosus Peripheral Neuropathy Bimodal Pattern of Onset and Treatment Response(2021) FARGETTI, Simone; UGOLINI-LOPES, Michelle R.; PASOTO, Sandra G.; SEGURO, Luciana P. C.; SHINJO, Samuel K.; BONFA, Eloisa; BORBA, Eduardo F.Background/Objective: Our aim was to describe the short- and long-term outcome of peripheral neuropathy (PN) attributed exclusively to systemic lupus erythematosus (SLE). Methods: Systemic lupus erythematosus patients with defined PN (clinical and electroneuromyography) were retrospectively evaluated at onset, 1-year, and 5-year follow-up using a standardized electronic chart database that started in 2000. Exclusion criteria were comorbidities, drugs, and infections. Age-, sex-, and disease duration-matched SLE patients without PN were selected as controls. Results: Lupus PN was identified in 38 (1.8%) of 2074 patients, and almost two thirds had PN onset in the first 5 years of SLE (63.2%). Peripheral neuropathy SLE had higher frequencies of cutaneous vasculitis (50% vs 21.1%, p = 0.002), lymphopenia (60.5% vs 36.8%, p = 0.027), anti-Sm (52.6% vs 27.6%, p = 0.013), and higher SLEDAI-2K scores (11.5 +/- 10.5 vs 4.9 +/- 6.7, p < 0.001) compared with controls. The most common type was polyneuropathy (71.1%) with sensory-motor pattern (68.4%). At PN diagnosis, all patients received glucocorticoid and 97.4% started immunosuppressive therapy (50% intravenous cyclophosphamide, 42.1% azathioprine). After 1-year follow-up, 92.1% had a favorable outcome with complete (36.8%) or partial remission (55.2%), in parallel with a decrease in prednisone dose (48.3 +/- 17.9 vs 15.3 +/- 13.4 mg/d, p < 0.001), symptomatic therapy (57.9% vs 29.7%, p = 0.02), and SLEDAI-2K score (11.5 +/- 10.5 vs 1.7 +/- 3.7, p < 0.001). SLEDAI-2K scores were higher in patientswho had PN onsetwith less than 1 year of SLE duration, compared with those with more than 5 years of disease (21.3 +/- 9.1 vs 3.9 +/- 5.3, p < 0.001). Early-PN-onset group had a better response to treatment (complete remission at 1-year follow-up 61.5% vs 25%, p = 0.039). At 5-year follow-up, 89.3% remained with complete/partial remission. Conclusions: Peripheral neuropathy attributed to SLE itself is a rare manifestation with a bimodal pattern, characterized by a predominant early-onset group associated with high disease activity and a higher rate of complete remission, and a late-onset group with low disease activity and a partial therapy response.