Leukemia mortality trends among children, adolescents, and young adults in Latin America

Curado, María Paula; Pontes, Thaís Brilhante; Guerra-Yi, Marta Elena; Cancela, Marianna de Camargo

doi:10.1590/s1020-49892011000200004

Cited by 51 publications

(63 citation statements)

References 21 publications

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“…This behavior can be explained by the improvement in cancer diagnostic techniques and increasingly effective chemotherapy protocols, procedures that directly reflect the improved disease prognosis. 15 The present study showed an increasing mortality trend at ages 15-19 years for lymphoid leukemias, for both genders. The Latin-American study 15 discusses this difference by asserting that protocols for the treatment of adolescents 1 9 8 1 1 9 8 0 1 9 8 2 1 9 8 3 1 9 8 4 1 9 8 5 1 9 8 6 1 9 8 7 1 9 8 8 1 9 8 9 1 9 9 0 1 9 9 1 1 9 9 2 1 9 9 3 1 9 9 4 1 9 9 5 1 9 9 6 1 9 9 7 1 9 9 8 1 9 countries range between 11% and 20%; for acute myeloid leukemia, it may reach 33%.…”

Section: Discussionsupporting

confidence: 55%

Analysis of childhood leukemia mortality trends in Brazil, from 1980 to 2010

Silva

Zandonade

Zouain-Figueiredo

2014

Jornal de Pediatria

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Section: Discussionsupporting

confidence: 55%

Analysis of childhood leukemia mortality trends in Brazil, from 1980 to 2010

Silva

Zandonade

Zouain-Figueiredo

2014

Jornal de Pediatria

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“…However when compared to other developing countries we need to work harder to decrease the mortality even further [23–25]. A very important finding is the high mortality rate in 2012 among adolescents from 15 to 18 years old.…”

Section: Discussionmentioning

confidence: 99%

Descriptive Epidemiology in Mexican children with cancer under an open national public health insurance program

Rivera-Luna¹,

Shalkow-Klincovstein

Velasco-Hidalgo³

et al. 2014

BMC Cancer

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BackgroundAll the children registered at the National Council for the Prevention and Treatment of Childhood Cancer were analyzed. The rationale for this Federal Government Council is to financially support the treatment of all children registered into this system. All patients are within a network of 55 public certified hospitals nationwide.MethodsIn the current study, data from 2007 to 2012 are presented for all patients (0–18 years) with a pathological diagnosis of leukemia, lymphoma and solid tumors. The parameters analyzed were prevalence, incidence, mortality, and abandonment rate.ResultsA diagnosis of cancer was documented in 14,178 children. The incidence was of 156.9/million/year (2012). The median age was 4.9. The most common childhood cancer is leukemia, which occurs in 49.8% of patients (2007–2012); and has an incidence rate of 78.1/million/year (2012). The national mortality rate was 5.3/100,000 in 2012, however in the group between 15 to 18 years it reaches a level of 8.6.ConclusionsThe study demonstrates that there is a high incidence of childhood cancer in Mexico. In particular, the results reveal an elevated incidence and prevalence of leukemia especially from 0 to 4 years. Only 4.7% of these patients abandoned treatment. The clinical outcome for all of the children studied improved since the establishment of this national program.

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“…15 No presente estudo foi notada tendência de crescimento da mortalidade nas faixas etárias de 15 a 19 anos para as leucemias linfoides, para ambos os sexos. Esse comportamento pode ser explicado pelo aprimoramento das técnicas diagnósticas de câncer e protocolos quimioterápicos cada vez mais eficazes, procedimentos que refletem diretamente na melhora do prognóstico da doença.…”

Section: Discussionunclassified

Analysis of childhood leukemia mortality trends in Brazil, from 1980 to 2010

Silva

Zandonade

Zouain-Figueiredo

2014

Jornal de Pediatria (Versão em Português)

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Objective: Leukemias comprise the most common group of cancers in children and adolescents. Studies conducted in other countries and Brazil have observed a decrease in their mortality. This study aimed to evaluate the trend of mortality from leukemia in children under 19 years of age in Brazil, from 1980 to 2010. Methods: This was an ecological study, using retrospective time series data from the Mortality Information System, from 1980 to 2010. Calculations of mortality rates were performed, including gross, gender-specific, and age-based. For trend analysis, linear and semi-log regression models were used. The significance level was 5%. Results: Mortality rates for lymphoid and myeloid leukemias presented a growth trend, with the exception of lymphoid leukemia among children under 4 years of age (percentage decrease: 1.21% annually), while in the sub-group ''Other types of leukemia'', a downward trend was observed. Overall, mortality from leukemia tended to increase for boys and girls, especially in the age groups 10-14 years (annual percentage increase of 1.23% for males and 1.28% for females) and 15-19 years (annual percentage increase of 1.40% for males and 1.62% for females). Conclusions:The results for leukemia generally corroborate the results of other similar studies. A detailed analysis by subgroup of leukemia, age, and gender revealed no trends shown in other studies, thus indicating special requirements for each variable in the analysis.

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Leukemia mortality trends among children, adolescents, and young adults in Latin America

Cited by 51 publications

References 21 publications

Analysis of childhood leukemia mortality trends in Brazil, from 1980 to 2010

Analysis of childhood leukemia mortality trends in Brazil, from 1980 to 2010

Descriptive Epidemiology in Mexican children with cancer under an open national public health insurance program

Analysis of childhood leukemia mortality trends in Brazil, from 1980 to 2010

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