VANDERSON GERALDO ROCHA
Projetos de Pesquisa
Unidades Organizacionais
Departamento de Clínica Médica, Faculdade de Medicina - Docente
Instituto Central, Hospital das Clínicas, Faculdade de Medicina
LIM/31 - Laboratório de Genética e Hematologia Molecular, Hospital das Clínicas, Faculdade de Medicina - Líder
Instituto Central, Hospital das Clínicas, Faculdade de Medicina
LIM/31 - Laboratório de Genética e Hematologia Molecular, Hospital das Clínicas, Faculdade de Medicina - Líder
23 resultados
Resultados de Busca
Agora exibindo 1 - 10 de 23
- Challenges in Diagnosis and Treatment of Systemic Amyloidosis: 10 Years of Experience in a Public Brazilian University Center(2020) SZOR, Roberta Shcolnik; FERNANDES, Fabio; SEGURO, Fernanda S.; LINO, Angelina M.; JORGE, Lecticia B.; MENDONCA, Leonardo O.; FEITOSA, Valkercyo A.; CASTELLI, Jussara B.; REGO, Eduardo M.; JACOMASSI, Mayara; ALVES, Lucas B. O.; MARTINEZ, Gracia; ROCHA, Vanderson
conferenceObject Treating multiple myeloma in a resource-limited setting: real-world outcomes(2022) MATINEZ, Gracia; SEGURO, Fernanda; JACOMASSI, Mayara; VISNADI, Helena; ATANAZIO, Marcelo; SZOR, Roberta; NEFFA, Pedro; PEREIRA, Thales; SILVA, Wellington; DORLHIAC, Pedro; VELASQUES, Rodrigo; BASSOLI, Lucas; ROCHA, Vanderson- External quality control program in infectious diseases screening at laboratories and blood banks in Latin America: an analysis of the past 5 years(2023) MENDRONE-JUNIOR, Alfredo; SALLES, Nanci; OTANI, Marcia; COUNTINHO, Adenilson; ALVES, Lucas Bassolli de Oliveira; ROCHA, Vanderson; BELTRAN-DURAN, MauricioObjective. To evaluate the screening of blood samples for infectious disease markers at laboratories and blood banks in Latin America per the findings of an External Quality Assessment Program (EQAP). Methods. This qualitative analysis used data from the EQAP coordinated by the Fundacao Pro Sangue Hemo-centro de Sao Paulo with the support of the Pan American Health Organization to assess the performance of blood screening for infectious diseases from 2014 to 2018 in Latin America. Each participating laboratory or blood bank received an identical blind panel with 24 blood samples with variable reactivity for all the screening parameters. Panels were processed at each participating facility and results were returned to the Fundacao Pro Sangue Hemocentro de Sao Paulo for individual and joint analyses. Two types of discrepant results were potential failures: false positive results (FPRs) and false nonreactive results (FNRRs). Results. A total of 23 136 samples were evaluated. Global rates of FPR, FNRR, and concordant results were 0.3%, 1.0% and 98.7%, respectively. Seven FNRRs were found for HBsAg (1.0%), 12 for syphilis (2.6%), and 21 for Chagas disease (2.9%). No FNRRs were found for the HIV, HCV, and HTLV viruses. The average accuracy of all the laboratories and blood banks participating in the EQAP during the study period was 99.5% (standard deviation, 0.5%). Conclusion. The findings of this qualitative analysis are positive for blood safety in Latin America, with an average accuracy of 99.5% among the participating laboratories and blood banks. This report reflects an important improvement in blood bank serological screening EQAP-PAHO report since the 2003.
- Systemic amyloidosis journey from diagnosis to outcomes: a twelve-year real-world experience of a single center in a middle-income country(2022) SZOR, Roberta Shcolnik; FERNANDES, Fabio; LINO, Angelina Maria Martins; MENDONCA, Leonardo Oliveira; SEGURO, Fernanda Salles; FEITOSA, Valkercyo Araujo; CASTELLI, Jussara Bianchi; JORGE, Lecticia Barbosa; ALVES, Lucas Bassolli de Oliveira; NEVES, Precil Diego Miranda de Menezes; SOUZA, Evandro de Oliveira; CAVALCANTE, Livia Barreira; MALHEIROS, Denise; KALIL, Jorge; MARTINEZ, Gracia Aparecida; ROCHA, VandersonBackground: Systemic amyloidosis is caused by the deposition of misfolded protein aggregates in tissues, leading to progressive organ dysfunction and death. Epidemiological studies originate predominantly from high-income countries, with few data from Latin America. Due to the non-specific clinical manifestations, diagnosing amyloidosis is often challenging and patients experience a long journey and delay in diagnosis. This study aimed to assess clinical and laboratory characteristics, the diagnostic journey, and outcomes of patients with biopsy-proven systemic amyloidosis diagnosed between 2009 and 2020 at a university referral center in a middle-income Latin American country. Patients' medical records were retrospectively reviewed. Results: One hundred and forty-three patients were included. The median age at diagnosis was 60 years and 54% were male. Until the diagnosis, most of the patients (52%) were seen by at least 3 specialists, the main ones being: general practitioners (57%), nephrologists (45%), and cardiologists (38%). The most common manifestations were renal (54%) and cardiac (41%) disorders, and cachexia was seen in 36% of patients. In 72% of the cases, & GE; 2 biopsies were required until the final diagnosis. The median time from symptoms onset to diagnosis was 10.9 months, and most patients (75%) had & GE; 2 organs involved. The following subtypes were identified: AL (68%), ATTR (13%), AA (8%), AFib (4%), and inconclusive (7%). Median OS was 74.3 months in the non-AL subgroup and 18.5 months in AL. Among AL patients, those with advanced cardiac stage had the worst outcome [median OS 8.6 months versus 52.3 for stage III versus I-II, respectively (p < 0.001)]. AL subtype, cardiac involvement, and ECOG & GE; 2 were identified as independent risk factors for reduced survival. Conclusions: Systemic amyloidosis is still an underdiagnosed condition and the delay in its recognition leads to poor outcomes. Medical education, better diagnostic tools, improvement in access to therapies, and establishment of referral centers may improve patient outcomes in middle-income countries.
- Age, Blasts, Performance Status and Lenalidomide Therapy Influence the Outcome of Myelodysplastic Syndrome With Isolated Del(5q): A Study of 58 South American Patients(2022) AZEVEDO, R. S.; BELLI, C.; BASSOLLI, L.; FERRI, L.; PERUSINI, M. A.; ENRICO, A.; PEREIRA, T. D. M.; JUNIOR, W. F. S.; BUCCHERI, V; PINHEIRO, R. F.; MAGALHAES, S. M.; SCHUSTER, S.; CASTELLI, J. B.; TRAINA, F.; ROCHA, V; VELLOSO, E. D. R. P.This study analyzed the overall survival (OS) of patients with Myelodysplastic Syndrome (MDS) with isolated deletion 5q in South America. Age >75 years, ECOG >= 2 and Bone marrow (BM) blasts >2% at diagnosis is independently associated with worse OS. Lenalidomide treatment is the only factor that improves the OS. Background: Myelodysplastic Syndrome (MDS) with isolated deletion 5q is associated with a low risk to leukemic evolution and long overall survival (OS); it comprises 3%-4.5% of MDS cases in Latin America classified according to the World Health Organization 2008. This study aims to describe clinical, laboratory and the outcome of patients according to the newest World Health Organization 2016 proposal. Methods: We retrospectively reviewed patients from four Brazilian (BR) and four Argentinean (AR) centers diagnosed between 1999 and 2019. Results: The 58 patients (16-AR and 42-BR) presented a median age of 67 (IQR 61-75) years old, women predominance (70.7%) and transfusion dependency (62.5%) at diagnosis. Median hemoglobin level was 8.1g/dL, 27.5% and 44.4% presented thrombocytosis and neutropenia, respectively. Bone marrow (BM) was predominantly hypercellular (43.1%) with 66% showing dysplasia >1 lineage and 37.9% with >2% of blasts. Deletion 5q was mostly isolated (79.3%) and a variety of abnormalities were observed in remaining cases. Most patients were treated with erythropoietin-stimulating agents (ESA), 18 with lenalidomide and 15 with thalidomide. Median follow-up was 7.6 years, with a median OS of 3.5 years and an 8-years leukemic evolution rate of 18.4%. Multivariate analysis showed that age >75 years (HR 2.19), ECOG =2 (HR 5.76), BM blasts >2% (HR 2.92) and lenalidomide treatment (HR 0.25) independently influenced the OS. Conclusion: Older age, worse performance status and higher percentage of blasts, that can be easily assessed, were associated to a worse prognosis. Also, our results corroborate the protective influence of lenalidomide in terms of OS in this South American series.
- Comparison of characteristics and laboratory tests of COVID-19 hematological patients from France and Brazil during the pre-vaccination period: identification of prognostic profiles for survival(2023) FAUCHEUX, Lilith; ALVES, Lucas Bassolli de Oliveira; CHEVRET, Sylvie; ROCHA, VandersonIntroduction: COVID-19 disease presentation is heterogeneous, from asymptomatic up to severe life-threatening forms. Getting further insights into patients with specific diseases is of particular interest. We aimed to identify profiles of hematology patients hospitalized with COVID-19 that would be associated with survival and to assess the differences between cohorts Methods: A binational cohort of 263 patients with COVID-19 and hematological disease was studied in Paris, France and Sao Paulo, Brazil. Patient profiles were based on age, comorbidities, biological measurements, COVID-19 symptoms and hematological disease characteristics. A semi-supervised learning method with a survival endpoint was first used, following which, a classifier was identified to allow the classification of patients using only baseline information Main results: Two profiles of patients were identified, one being young patients with few comorbidities and low C-reactive protein (CRP), D-dimers, lactate dehydrogenase (LDH) and creatinine levels, and the other, older patients, with several comorbidities and high levels of the 4 biology markers. The profiles were strongly associated with survival (p < 0.0001), even after adjusting for age (p = 0.0002). The 30-day survival rate was 77.1% in the first profiles, versus 46.7% in the second. The Brazilian analysis emphasized the importance of age, while the French focused on the comorbidities Conclusion: This analysis showed the importance of CRP, LHD and creatinine in the COVID19 presentation and prognosis, whatever the geographic origin of the patients. (c) 2022 Associacao Brasileira de Hematologia, Hemoterapia e Terapia Celular.
- Consolidative mediastinal radiotherapy for advanced‑stage classical Hodgkin lymphoma with bulky disease in patients who achieve complete response after chemotherapy in PET-CT era(2022) ATANAZIO, M. J.; SANTOS, F. M.; DURAN, A.; MAIA, A. C. A.; ALVES, L. B.; VELASQUES, R. D.; ROCHA, V.; BUCCHERI, V.Background: The role of consolidation mediastinal radiotherapy (RT) for mediastinal bulky disease in advanced-stage classical Hodgkin lymphoma (cHL) is controversial in the positron emission tomography/computed tomography (PET-CT) era. Materials and methods: We reviewed the medical charts of patients with advanced-stage (clinical stage IIX–IVX) cHL and mediastinal bulky that achieved a complete response after first line chemotherapy treatment between August 2010 and December 2020 and compared the results of those who received with those who did not receive consolidation mediastinal RT. Inclusion criteria required PET-CT imaging for staging and response assessment. Results: We included 115 patients; 91 received mediastinal RT and 24 did not. Patient’s characteristics were balanced between the two groups. The median age in patients that received and did not receive mediastinal RT was 28 years and 24.5 years, respectively. Median International Prognostic Score among patients that received and did not receive mediastinal RT was 2 and 2.5, respectively. Disease free survival (DFS) was statistically better in patients that received mediastinal RT (p = 0.013). Two-year DFS for patients that received and did not receive mediastinal RT was 95.2% [95% confidence interval (95% CI): 87.6–98.2%] and 76.4% (95% CI: 52.2–89.4%), respectively. Overall survival (OS) was not different between the two groups (p = 0.617). In multivariate analysis, not receiving mediastinal radiotherapy and only achieving partial response (vs. complete response) after 2 cycles of chemotherapy were factors predictive of lower DFS. Conclusion: DFS, but not OS, was superior in patients that received mediastinal RT. © 2022 Greater Poland Cancer Centre.
- Chronic Myeloid Leukemia: Comparison of Survival between Pregnant and Non-Pregnant Women(2020) GHELFOND, Giovanna Iantevi; SANTOS, Fernanda; SEGURO, Fernanda S.; ABDO, Andre; PEREIRA, Thales; MACIEL, Felipe V. R.; ALVES, Lucas B. O.; BENDIT, Israel; ROCHA, Vanderson; REGO, Eduardo M.
- Amyloid Cardiomyopathy Establishing a Patient Referral Center in Brazil(2021) SZOR, Roberta Shcolnik; ALENCAR, Aristoteles; BUENO, Bruno Vaz Kerges; CAFEZEIRO, Caio Reboucas Fonseca; ALVES, Lucas Bassolli de Oliveira; HAJJAR, Ludhmila Abrahao; MARTINEZ, Gracia Aparecida; ROCHA, Vanderson; FERNANDES, Fabio
- Rhoa Mutation Is a Potential Biomarker Associated with Adverse Prognosis and High- Tumor Burden in Patients with Nodal Peripheral Lymphomas with T-Helper Follicular Phenotype (nPTCL-Thf): Data from a Brazilian Retrospective Cohort of Nodal PTCL(2021) LAGE, Luis Alberto de Padua Covas; BARRETO, Guilherme Carneiro; CULLER, Hebert Fabricio; CAVALCANTI, Jessica Billar; ALVES, Lucas de Oliveira; NARDINELLI, Luciana; BENDIT, Israel; ROCHA, Vanderson; PEREIRA, Juliana
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