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1.
Hematology ; 27(1): 1294-1300, 2022 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-36516305

RESUMO

OBJECTIVE: To analyze the number of HSCTs performed in 2019 vs. 2020 and report the status of transplant centers (TCs) during and a year after the COVID-19 pandemic. METHODS: We performed a comprehensive cross-sectional nationwide study including active TCs interrogating HSCT activity from 2019 through September 2021. An electronic survey was sent to TCs and consisted of items regarding the number and characteristics of procedures performed and were compared yearly. Changes to their institutions' transplant policies and practices during the COVID19 pandemic were also documented. Fifty centers were invited to participate, 33 responded. RESULTS: Most TCs were part of the public health system (63.7%). Almost half are in the country's capital, Mexico City (45.5%). Most centers performed <10 procedures per year. The number of HSCTs decreased from 835 in 2019-505 in 2020 (p < .001), representing a 40% reduction in transplant activity. The monthly transplant rate in 2021 increased to 58.3, compared to 42 in 2020 and close to 69.5 in 2019 (p < .001). All types of HSCTs decreased excluding haploidentical transplants. All institutions treated patients with COVID19, and over two-thirds experienced some form of hospital reconversion. Transplant activity stopped completely in 23 TCs (70%) during the pandemic with a median closure duration of 9.9 months (range, 1-21). In 2021, 9.1% of TCs remained closed, all of them in the public setting. CONCLUSION(S): The limited transplant activity in Mexico decreased significantly during the pandemic but is recovering and nearly in pre-pandemic levels.


Assuntos
COVID-19 , Transplante de Células-Tronco Hematopoéticas , Humanos , Pandemias , Estudos Transversais , México/epidemiologia , COVID-19/epidemiologia , Transplante de Células-Tronco Hematopoéticas/métodos
2.
Clin Lymphoma Myeloma Leuk ; 22(12): 883-893, 2022 12.
Artigo em Inglês | MEDLINE | ID: mdl-36057522

RESUMO

BACKGROUND: B-cell acute lymphoblastic leukemia is frequent in Hispanic adolescents and young adults. Outcomes of implementation of pediatric-inspired regimens in low-and middle-income countries are not well known. METHODS: In this study we treated 94 adolescents and young adults with a local BFM regimen designed to be affordable with the use of native L-asparaginase and mitoxantrone administered in an outpatient fashion, and the of BCR/ABL and measurable residual disease (MRD) determined by high sensitivity flow cytometry for risk stratification. RESULTS: Induction mortality was 11%; 25% of patients had to abandon treatment or be transferred to another health system. Two-year overall (OS) and event free survival (EFS) were 61.5% and 49.8%, MRD-negative patients had a 24-month OS of 85.6% vs. 69.6% (p = .024) and EFS of 76% vs. 45.5% (p = .004). Patients older than 40 years and those who abandoned treatment had worse EFS. Overall drug costs in our regimen were 52% lower than those of CALGB10403. CONCLUSION: The treatment of AYAs with ALL with an outpatient focus was implemented successfully at a reduced cost. Genetic risk assessment, treatment abandonment and lack of access to novel therapies remain major barriers for improving outcomes.


Assuntos
Pacientes Ambulatoriais , Leucemia-Linfoma Linfoblástico de Células Precursoras , Adolescente , Humanos , Adulto Jovem , Intervalo Livre de Doença , Asparaginase/uso terapêutico , Neoplasia Residual/tratamento farmacológico , Protocolos de Quimioterapia Combinada Antineoplásica/uso terapêutico , Prognóstico , Resultado do Tratamento
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