THIAGO BITAR MORAES BARROS
Índice h a partir de 2011
4
Projetos de Pesquisa
Unidades Organizacionais
Instituto Central, Hospital das Clínicas, Faculdade de Medicina - Médico
6 resultados
Resultados de Busca
Agora exibindo 1 - 6 de 6
conferenceObject Metabolic Syndrome: The Genesis of Nephrolithiasis in Gout Patients?(2012) MELLO, Filipi M.; TOMITA, Rafael B.; FULLER, Ricardo; FILHO, Marco Antonio G. P.; BARROS, Thiago B. M.; PRADO, Leandro L. do; AUGUSTO, Kristopherson L.; GOLDENSTEIN-SCHAINBERG, ClaudiaBackground/Purpose: Gout patients have a high frequency of metabolic syndrome (MS), a disorder known to be associated with hyperinsulinemia. The latter condition augments proximal tubular sodium reabsorption and leads to reduced renal urate excretion and hyperuricemia. There are no data, however, evaluating whether MS can influence gout-associated clinical characteristics. Thus, we aimed to determine the prevalence of MS in our population and to investigate if the presence of MS would characterize a particular clinical and laboratorial gout profile. Methods: This was a cross-sectional study of 158 gout patients (ACR criteria). MS was defined in accordance to the National Cholesterol Education Program ATP III (NCEP-ATP III) and the International Diabetes Federation (IDF) criteria. Demographic, anthropometric (body mass index - BMI) and clinical data were evaluated. Fasting serum levels of UA, glucose, triglycerides and cholesterol fractions were analyzed by routine laboratory tests. Nephrolithiasis was demonstrated by usual ultrasonography and urate under-excretion defined as UA clearance lower than 7.5 ml/min. Statistical comparisons were performed using Fisher’s exact, chi-square, students T and Spearman’s tests and P<0.05 was considered significant. Results: The frequency of MS in gout patients was 73% and 71% according to NCEP ATPIII and IDF criteria respectively. Further comparison of 125 patients with MS and those 33 without this condition revealed similar mean ages (63.0 ± 11.5 vs 62.5 ± 12.9; p>0,05) and male predominance (94% and 75%). As expected, those with MS had higher BMI (30.2 ± 5.5kg/m2 vs 27.0 5.8kg/m2; p=0.005) and higher prevalences of systemic arterial hypertension (93.3% vs 75% p=0.012) and diabetes (25.8% vs 0, p=0.001), though comparable frequency of coronary artery disease (22.5% vs 16.7%; p=0.469). With regard to gout clinical/laboratorial characteristic, patients with MS had more nephrolitiasis (37.1% vs 16.7%, p=0.026), but they did not differ from patients without MS concerning the presence of tophi (52.8% vs. 55.6%; p = 0.780) or uric acid underexcretion (83.1% vs 94.4%; p=0.148). Current alcohol consumption, mean estimated creatinine clearance and mean serum levels of uric acid, were alike in both groups (p>0.05). Conclusion: The novel demonstration that MS in gout is associated to nephrolithiasis suggests that this condition may underlie the genesis of uric acid stones. Whether insulin resistance may account for a renal alteration that may ultimately impair buffering and amplification of acidic urine remains to be determined. Moreover, the elevated prevalence of MS in gout patients from our country (almost 3⁄4) is higher than overall rates of 63% MS in gout worldwide, indicating possible influence of dietary, geographical and/or genetic background.conferenceObject Cross-Cultural Adaptation, Validation and Reliability Of The Brazilian Version Of The Psoriatic Arthritis Screening Evaluation Tool(2013) RANZA, Roberto; SCHAINBERG, Claudia G.; CARNEIRO, Sueli; MARTINS, Gladys; RODRIGUES, Jose Joaquim; CARNEIRO, Jamille; ROMITI, Ricardo; BARROS, Thiago B. M.; SAMPAIO, Ana Luiza; PEDREIRA, Amanda; COSTA, Carolina Z.; PINTO, Rogerio M. C.; HUSNI, M. Elaine; QURESHI, Abrar A.- Semantic and psychometric validation of the Brazilian Portuguese version (PASE-P) of the Psoriatic Arthritis Screening and Evaluation questionnaire(2018) COSTA, Carolina Zorzanelli; GOLDENSTEIN-SCHAINBERG, Claudia; CARNEIRO, Sueli; RODRIGUES, Jose Joaquim; ROMITI, Ricardo; BARROS, Thiago Bitar Martins; MARTINS, Gladys; CARNEIRO, Jamile; GRYNSZPAN, Rachel; SAMPAIO, Ana Luisa; MENDONCA, Tania Maria Silva; SILVA, Carlos Henrique Martins; QURESHI, Abrar A.; PINTO, Rogerio de Melo Costa; RANZA, RobertoPASE (Psoriatic Arthritis Screening and Evaluation) was developed in the English language to screen for inflammatory arthritis among patients with psoriasis. It is 15 item self administered questionnaire with a score from 15 to 75. A higher score indicates a greater risk for inflammatory joint disease. The purpose of this study was to translate, adapt and validate this questionnaire into Brazilian Portuguese (PASE-P). METHODS: 465 patients diagnosed with psoriasis (158 with psoriatic arthritis confirmed by a rheumatologist according to the CASPAR criteria and 307 without) were evaluated in dermatology clinics. We performed the analysis of semantic equivalence in eight steps. For psychometric equivalence, we evaluated the data quality, reliability, construct validity, well-known groups and discriminant characteristics of the items, as well as a ROC curve to determine optimal PASE-P cutoff points in case identification and their sensitivity / specificity. The final version presented excellent reproducibility (CCI = 0.97) and reliability (Cronbach's alpha> 0.9). A cut-off point of 25 distinguished between patients with and without psoriatic arthritis, with sensitivity of 69.5 and specificity of 86.8. PASE-P proved to be culturally valid and reliable to screen for psoriatic arthritis in Brazilian patients with psoriasis.
conferenceObject INCREASED PREVALENCE OF METABOLIC SYNDROME IS ASSOCIATED TO NEPHROLITHIASIS BUT NOT TO THE PRESENCE OF TOPHUS IN GOUT PATIENTS(2012) MELLO, F. M.; TOMITA, F. R. B.; FULLER, R.; PONTES FILHO, M. A. G.; BARROS, T. B. M.; PRADO, L. L.; AUGUSTO, K. L.; GOLDENSTEIN-SCHAINBERG, C.conferenceObject PREVALENCE OF PSORIATIC ARTHRITIS IN A LARGE COHORT OF BRAZILIAN PSORIATIC PATIENTS(2013) RANZA, R.; GOLDENSTEIN-SCHAINBERG, C.; CARNEIRO, S.; MARTINS, G.; RODRIGUES, J. J.; ROMITI, R.; BARROS, T. M. Bitar; CARNEIRO, J.; SAMPAIO, A. L.; GRYNSPAN, R.; MARKUS, J.; PINTO, R. Melo Costa- Prevalence of Psoriatic Arthritis in a Large Cohort of Brazilian Patients with Psoriasis(2015) RANZA, Roberto; CARNEIRO, Sueli; QURESHI, Abrar A.; MARTINS, Gladys; RODRIGUES, Jose Joaquim; ROMITI, Ricardo; BARROS, Thiago Bitar M.; CARNEIRO, Jamille; SAMPAIO, Ana Luisa; GRYNSZPAN, Rachel; MARKUS, Juliana; PINTO, Rogerio Melo Costa; GOLDENSTEIN-SCHAINBERG, ClaudiaObjective. To determine the prevalence of psoriatic arthritis (PsA) in a large cohort of Brazilian patients with psoriasis (PsO) being seen at dermatology centers. Methods. A multicenter study was conducted in 4 university dermatology clinics. In each center, consecutive patients with confirmed diagnoses of PsO were evaluated by a rheumatologist. Individuals were classified as having PsA according to the ClASsification criteria for Psoriatic ARthritis (CASPAR). Laboratory tests and radiographs were performed, as needed, based on the clinical judgment of the rheumatologist. Results. A total of 524 patients with PsO were evaluated. The mean age was 48.5 +/- 14.5 years, 50% were women, and the mean PsO duration was 15.4 +/- 11.7 years. A diagnosis of PsA was documented in 175 patients (33%), of whom 49% were newly identified by the rheumatologist. Most individuals with PsA (72%) had peripheral involvement, 11% had isolated axial involvement, and 17% had both peripheral and axial involvement. Dactylitis occurred in 20% and clinical enthesitis in 30% of the patients. Laboratory and/or radiograph tests were necessary for a definitive diagnosis of PsA in 42 of 175 individuals (24%). Conclusion. In our study, one-third of Brazilian patients with PsO, followed in dermatology settings, were diagnosed with PsA by a rheumatologist. Almost half of subjects with PsA had no previous diagnosis. A collaboration between dermatologists and rheumatologists is greatly needed to establish earlier PsA diagnoses and adequate multidisciplinary management.