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[SciELO Preprints] - Guidelines on the Diagnosis and Treatment of Hypertrophic Cardiomyopathy – 2024
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Fernandes, Fabio
Simões, Marcus V.
Correia, Edileide de Barros
Marcondes-Braga, Fabiana G.
Coelho-Filho, Otavio Rizzi
Mesquita, Cláudio Tinoco
Mathias-Junior, Wilson
Rochitte, Carlos Eduardo
Ramires, Felix José Alvarez
Alves, Silvia Marinho Martins
Montera, Marcelo Westerlund
Lopes, Renato Delascio
Oliveira-Junior, Mucio Tavares
Scolari, Fernando L.
Avila, Walkiria Samuel
Canesin, Manoel Fernandes
Bacal, Fernando
Bocchi, Edimar Alcides
Moura, Lídia Ana Zytynski
Saad, Eduardo Benchimol
Scanavacca, Mauricio I.
Valdigem, Bruno Pereira
Cano , Manuel Nicolas
Abizaid , Alexandre
Ribeiro, Henrique Barbosa
Lemos-Neto, Pedro Alves
Ribeiro, Gustavo Calado de Aguiar
Jatene, Fabio Biscegli
Dias, Ricardo Ribeiro
Beck-da-Silva, Luis
Rohde, Luis Eduardo P.
Bittencourt, Marcelo Imbroinise
Pereira, Alexandre
Krieger, José Eduardo
Villacorta, Humberto
Martins, Wolney de Andrade
Figueiredo-Neto, José Albuquerque de
Cardoso , Juliano Novaes
Pastore, Carlos Alberto
Jatene, Ieda Biscegli
Tanaka, Ana Cristina Sayuri
Hotta, Viviane Tiemi
Romano, Minna Moreira Dias
Albuquerque, Denilson Campos de
Mourilhe-Rocha, Ricardo
Hajjar, Ludhmila Abrahão
Brito, Fabio Sandoli de
Caramelli , Bruno
Calderaro, Daniela
Farsky, Pedro Silvio
Colafranceschi , Alexandre Siciliano
Pinto, Ibraim Masciarelli
Vieira , Marcelo Luiz Campos
Danzmann, Luiz Claudio
Barberato , Silvio Henrique
Mady, Charles
Martinelli-Filho, Martino
Torbey , Ana Flavia Malheiros
Schwartzmann, Pedro Vellosa
Macedo, Ariane Vieira Scarlatelli
Ferreira , Silvia Moreira Ayub
Schmidt, Andre
Melo , Marcelo Dantas Tavares de
Lima-Filho, Moysés Oliveira
Sposito, Andrei C.
Brito, Flavio de Souza
Biolo, Andreia
Madrini-Junior, Vagner
Rizk, Stéphanie Itala
Mesquita, Evandro Tinoco
A cardiomiopatia hipertrófica (CMH) é uma forma de doença do músculo cardíaco de causa genética, caracterizada pela hipertrofia das paredes ventriculares. O diagnóstico requer detecção por métodos de imagem (Ecocardiograma ou Ressonância Magnética Cardíaca) de qualquer segmento da parede do ventrículo esquerdo com espessura > 15 mm, sem outra causa provável. A análise genética permite identificar mutações de genes codificantes de diferentes estruturas do sarcômero responsáveis pelo desenvolvimento da CMH em cerca de 60% dos casos, permitindo o rastreio de familiares e aconselhamento genético, como parte importante do manejo dos pacientes e familiares. Vários conceitos sobre a CMH foram recentemente revistos, incluindo sua prevalência de 1 em 250 indivíduos, não sendo, portanto, uma doença rara, mas subdiagnosticada. A vasta maioria dos pacientes é assintomática. Naqueles sintomáticos, a obstrução do trato de saída do ventrículo esquerdo (OTSVE) é o principal distúrbio responsável pelos sintomas, devendo-se investigar a sua presença em todos os casos. Naqueles em que o ecocardiograma em repouso ou com Manobra de Valsalva não detecta gradiente intraventricular significativo (> 30 mmHg), devem ser submetidos à ecocardiografia com esforço físico para detecção da OTSVE. Pacientes com sintomas limitantes e grave OTSVE, refratários ao uso de betabloqueadores e verapamil, devem receber terapias de redução septal ou uso de novas drogas inibidoras da miosina cardíaca. Por fim, os pacientes adequadamente identificados com risco aumentado de morta súbita podem receber medida profilática com implante de cardiodesfibrilador implantável (CDI).
La miocardiopatía hipertrófica (MCH) es una forma de enfermedad cardíaca de origen genético, caracterizada por el engrosamiento de las paredes ventriculares. El diagnóstico requiere la detección mediante métodos de imagen (Ecocardiograma o Resonancia Magnética Cardíaca) que muestren algún segmento de la pared ventricular izquierda con un grosor > 15 mm, sin otra causa probable. El análisis genético permite identificar mutaciones en genes que codifican diferentes estructuras del sarcómero responsables del desarrollo de la MCH en aproximadamente el 60% de los casos, lo que permite el tamizaje de familiares y el asesoramiento genético, como parte importante del manejo de pacientes y familiares. Varios conceptos sobre la MCH han sido revisados recientemente, incluida su prevalencia de 1 entre 250 individuos, por lo tanto, no es una enfermedad rara, sino subdiagnosticada. La gran mayoría de los pacientes son asintomáticos. En los casos sintomáticos, la obstrucción del tracto de salida ventricular izquierdo (TSVI) es el trastorno principal responsable de los síntomas, y su presencia debe investigarse en todos los casos. En aquellos en los que el ecocardiograma en reposo o la maniobra de Valsalva no detecta un gradiente intraventricular significativo (> 30 mmHg), deben someterse a ecocardiografía de esfuerzo para detectar la obstrucción del TSVI. Los pacientes con síntomas limitantes y obstrucción grave del TSVI, refractarios al uso de betabloqueantes y verapamilo, deben recibir terapias de reducción septal o usar nuevos medicamentos inhibidores de la miosina cardíaca. Finalmente, los pacientes adecuadamente identificados con un riesgo aumentado de muerte súbita pueden recibir medidas profilácticas con el implante de un cardioversor-desfibrilador implantable (CDI).
Hypertrophic cardiomyopathy (HCM) is a form of genetically caused heart muscle disease, characterized by the thickening of the ventricular walls. Diagnosis requires detection through imaging methods (Echocardiogram or Cardiac Magnetic Resonance) showing any segment of the left ventricular wall with a thickness > 15 mm, without any other probable cause. Genetic analysis allows the identification of mutations in genes encoding different structures of the sarcomere responsible for the development of HCM in about 60% of cases, enabling screening of family members and genetic counseling, as an important part of patient and family management. Several concepts about HCM have recently been reviewed, including its prevalence of 1 in 250 individuals, hence not a rare but rather underdiagnosed disease. The vast majority of patients are asymptomatic. In symptomatic cases, obstruction of the left ventricular outflow tract (LVOT) is the primary disorder responsible for symptoms, and its presence should be investigated in all cases. In those where resting echocardiogram or Valsalva maneuver does not detect significant intraventricular gradient (> 30 mmHg), they should undergo stress echocardiography to detect LVOT obstruction. Patients with limiting symptoms and severe LVOT obstruction, refractory to beta-blockers and verapamil, should receive septal reduction therapies or use new drugs inhibiting cardiac myosin. Finally, appropriately identified patients at increased risk of sudden death may receive prophylactic measure with implantable cardioverter-defibrillator (ICD) implantation.
2.
Organochlorine and organophosphate pesticides in soils of a vulnerable area from an aquifer in Northern Colombia
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Revista Brasileira de Engenharia Agrícola e Ambiental
- Métricas do periódico
ABSTRACT The Morroa aquifer, which is an essential source of water supply in Sucre, Colombia, with more than 500,000 users, may be at risk because of pesticide contamination that comes from different agricultural activities. The aim of this research was to evaluate the relationship between the presence of pesticides and the physicochemical properties of soils in the most vulnerable areas of the Morroa aquifer. Therefore, farmers were surveyed about pesticide usage and soil samples which were taken for analysis of pesticide and physicochemical properties. The results demonstrated that soils in these areas were relatively homogeneous in terms of texture, pH, cation exchange capacity and organic matter content. Pesticides detected in these soils were malathion, β-BCH, p-p’DDE, m-p’DDD, p-p’DDT, endosulfan, endrincetone, chlorpyrifos, dieldrin, endosulfan-sulfate, heptachlor-epoxide, and parathion. Physicochemical properties such as pH and texture of soils and intrinsic characteristics of the pesticide were found as the most influential variables according to statistical results. This study also presents a map of the spatial distribution of pesticide concentration according to the concentration of pesticides, which constitutes an important tool for the planning of agricultural activities that supports decision-making and the implementation of measures to mitigate potential impacts caused by pesticide pollution.
RESUMO O aquífero de Morroa é uma fonte essencial para o abastecimento de água em Sucre, Colômbia, com mais de 500.000 usuários que podem estar em risco devido à contaminação por pesticidas que provêm de diferentes atividades agrícolas. O objetivo desta pesquisa foi avaliar a relação entre a presença de pesticidas e as propriedades físico-químicas dos solos nas áreas mais vulneráveis do Aquífero Morroa. Para isso foi aplicado um inquérito sobre a utilização de pesticidas aos agricultores e foram coletadas amostras de solo para análise de pesticidas e propriedades físico-químicas. Os resultados mostraram que os solos nestas áreas são relativamente homogéneos em termos de textura, pH, Capacidade de Troca Catiônica e Matéria Orgânica. Os pesticidas detectados nestes solos foram Malathion, β-BCH, p-p’DDE, m-p’DDD, p-p’DDT, Endosulfan, Endrincetone, Chlorpyrifos, Dieldrin, Endosulfan-Sulfate, Heptachlor-epóxido e Parathion. O pH, a textura do solo e as características intrínsecas do pesticida são as variáveis mais influentes de acordo com os resultados estatísticos. Este estudo também mostra a distribuição espacial da concentração de pesticidas em toda a área do aquífero. O mapa elaborado constitui uma ferramenta para o planeamento de atividades agrícolas que subsidia a tomada de decisões e a implementação de medidas para mitigar os potenciais impactos causados pela poluição causada pelos pesticidas.
3.
Diretriz da SBC sobre Diagnóstico e Tratamento de Pacientes com Cardiomiopatia da Doença de Chagas – 2023
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Marin-Neto, José Antonio
; Rassi Jr, Anis
; Oliveira, Gláucia Maria Moraes
; Correia, Luís Claudio Lemos
; Ramos Júnior, Alberto Novaes
; Luquetti, Alejandro Ostermayer
; Hasslocher-Moreno, Alejandro Marcel
; Sousa, Andréa Silvestre de
; Paola, Angelo Amato Vincenzo de
; Sousa, Antônio Carlos Sobral
; Ribeiro, Antonio Luiz Pinho
; Correia Filho, Dalmo
; Souza, Dilma do Socorro Moraes de
; Cunha-Neto, Edecio
; Ramires, Felix Jose Alvarez
; Bacal, Fernando
; Nunes, Maria do Carmo Pereira
; Martinelli Filho, Martino
; Scanavacca, Maurício Ibrahim
; Saraiva, Roberto Magalhães
; Oliveira Júnior, Wilson Alves de
; Lorga-Filho, Adalberto Menezes
; Guimarães, Adriana de Jesus Benevides de Almeida
; Braga, Adriana Lopes Latado
; Oliveira, Adriana Sarmento de
; Sarabanda, Alvaro Valentim Lima
; Pinto, Ana Yecê das Neves
; Carmo, Andre Assis Lopes do
; Schmidt, Andre
; Costa, Andréa Rodrigues da
; Ianni, Barbara Maria
; Markman Filho, Brivaldo
; Rochitte, Carlos Eduardo
; Macêdo, Carolina Thé
; Mady, Charles
; Chevillard, Christophe
; Virgens, Cláudio Marcelo Bittencourt das
; Castro, Cleudson Nery de
; Britto, Constança Felicia De Paoli de Carvalho
; Pisani, Cristiano
; Rassi, Daniela do Carmo
; Sobral Filho, Dário Celestino
; Almeida, Dirceu Rodrigues de
; Bocchi, Edimar Alcides
; Mesquita, Evandro Tinoco
; Mendes, Fernanda de Souza Nogueira Sardinha
; Gondim, Francisca Tatiana Pereira
; Silva, Gilberto Marcelo Sperandio da
; Peixoto, Giselle de Lima
; Lima, Gustavo Glotz de
; Veloso, Henrique Horta
; Moreira, Henrique Turin
; Lopes, Hugo Bellotti
; Pinto, Ibraim Masciarelli Francisco
; Ferreira, João Marcos Bemfica Barbosa
; Nunes, João Paulo Silva
; Barreto-Filho, José Augusto Soares
; Saraiva, José Francisco Kerr
; Lannes-Vieira, Joseli
; Oliveira, Joselina Luzia Menezes
; Armaganijan, Luciana Vidal
; Martins, Luiz Cláudio
; Sangenis, Luiz Henrique Conde
; Barbosa, Marco Paulo Tomaz
; Almeida-Santos, Marcos Antonio
; Simões, Marcos Vinicius
; Yasuda, Maria Aparecida Shikanai
; Moreira, Maria da Consolação Vieira
; Higuchi, Maria de Lourdes
; Monteiro, Maria Rita de Cassia Costa
; Mediano, Mauro Felippe Felix
; Lima, Mayara Maia
; Oliveira, Maykon Tavares de
; Romano, Minna Moreira Dias
; Araujo, Nadjar Nitz Silva Lociks de
; Medeiros, Paulo de Tarso Jorge
; Alves, Renato Vieira
; Teixeira, Ricardo Alkmim
; Pedrosa, Roberto Coury
; Aras Junior, Roque
; Torres, Rosalia Morais
; Povoa, Rui Manoel dos Santos
; Rassi, Sergio Gabriel
; Alves, Silvia Marinho Martins
; Tavares, Suelene Brito do Nascimento
; Palmeira, Swamy Lima
; Silva Júnior, Telêmaco Luiz da
; Rodrigues, Thiago da Rocha
; Madrini Junior, Vagner
; Brant, Veruska Maia da Costa
; Dutra, Walderez Ornelas
; Dias, João Carlos Pinto
.
4.
[SciELO Preprints] - Guideline of the Brazilian Society of Cardiology on Diagnosis and Treatment of Patients with Chagas Disease Cardiomyopathy
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Marin-Neto, José Antonio
Rassi Jr., Anis
Moraes Oliveira, Gláucia M.
Lemos Correia, Luís Claudio
Novaes Ramos Jr., Alberto
Hasslocher-Moreno, Alejandro Marcel
Luquetti Ostermayer, Alejandro
Sousa, Andréa Silvestre de
Amato Vincenzo de Paola, Angelo
Sobral de Sousa, Antonio Carlos
Pinho Ribeiro, Antonio Luiz
Correia Filho, Dalmo
Moraes de Souza, Dilma do Socorro
Cunha-Neto, Edecio
J. A. Ramires, Felix
Bacal, Fernando
Pereira Nunes, Maria do Carmo
Martinelli Filho, Martino
Ibrahim Scanavacca, Maurício
Magalhães Saraiva, Roberto
Alves de Oliveira Júnior, Wilson
M. Lorga-Filho, Adalberto
de Jesus Benevides de Almeida Guimarães, Adriana
Lopes Latado Braga, Adriana
Sarmento de Oliveira, Adriana
V. L. Sarabanda, Alvaro
Yecê das Neves Pinto, Ana
Assis Lopes do Carmo, André
Schmidt, André
Costa, Andréa Rodrigues da
Ianni, Barbara Maria
Markman Filho, Brivaldo
Eduardo Rochitte, Carlos
Thé Macedo, Carolina
Mady, Charles
Chevillard, Christophe
Bittencourt das Virgens, Cláudio Marcelo
Nery de Castro, Cleudson
De Paoli de Carvalho Britto, Constança Felícia
Pisani, Cristiano
do Carmo Rassi, Daniela
C. Sobral Filho, Dario
Rodrigues Almeida, Dirceu
A. Bocchi, Edimar
T. Mesquita, Evandro
de Souza Nogueira Sardinha Mendes, Fernanda
Pereira, Francisca Tatiana
Sperandio da Silva, Gilberto Marcelo
de Lima Peixoto, Giselle
Glotz de Lima, Gustavo
H. Veloso, Henrique
Turin Moreira, Henrique
Bellotti Lopes, Hugo
Masciarelli Francisco Pinto, Ibraim
Pinto Dias, João Carlos
Bemfica, João Marcos
Silva-Nunes, João Paulo
Soares Barreto-Filho, José Augusto
Kerr Saraiva, José Francisco
Lannes-Vieira, Joseli
Menezes Oliveira, Joselina Luzia
V. Armaganijan, Luciana
Martins, Luiz Cláudio
C. Sangenis, Luiz Henrique
Barbosa, Marco Paulo
Almeida-Santos, Marcos Antônio
Simões, Marcos Vinicius
Shikanai-Yasuda, Maria Aparecida
Vieira Moreira, Maria da Consolação
Higuchi, Maria de Lourdes
Costa Monteiro, Maria Rita de Cássia
Felix Mediano, Mauro Felippe
Maia Lima, Mayara
T. Oliveira, Maykon
Moreira Dias Romano , Minna
Nitz, Nadjar
de Tarso Jorge Medeiros, Paulo
Vieira Alves, Renato
Alkmim Teixeira, Ricardo
Coury Pedrosa, Roberto
Aras, Roque
Morais Torres, Rosália
dos Santos Povoa, Rui Manoel
Rassi, Sérgio Gabriel
Salles Xavier, Sérgio
Marinho Martins Alves , Silvia
B. N. Tavares, Suelene
Lima Palmeira, Swamy
da Silva Junior, Telêmaco Luiz
da Rocha Rodrigues, Thiago
Madrini Junior, Vagner
Maia da Costa , Veruska
Dutra, Walderez
This guideline aimed to update the concepts and formulate the standards of conduct and scientific evidence that support them, regarding the diagnosis and treatment of the Cardiomyopathy of Chagas disease, with special emphasis on the rationality base that supported it.nbsp;
Chagas disease in the 21st century maintains an epidemiological pattern of endemicity in 21 Latin American countries. Researchers and managers from endemic and non-endemic countries point to the need to adopt comprehensive public health policies to effectively control the interhuman transmission of T. cruzi infection, and to obtain an optimized level of care for already infected individuals, focusing on diagnostic and therapeutic opportunistic opportunities.
nbsp;
Pathogenic and pathophysiological mechanisms of the Cardiomyopathy of Chagas disease were revisited after in-depth updating and the notion that necrosis and fibrosis are stimulated by tissue parasitic persistence and adverse immune reaction, as fundamental mechanisms, assisted by autonomic and microvascular disorders, was well established. Some of them have recently formed potential targets of therapies.nbsp;
The natural history of the acute and chronic phases was reviewed, with enhancement for oral transmission, indeterminate form and chronic syndromes. Recent meta-analyses of observational studies have estimated the risk of evolution from acute and indeterminate forms and mortality after chronic cardiomyopathy. Therapeutic approaches applicable to individuals with Indeterminate form of Chagas disease were specifically addressed. All methods to detect structural and/or functional alterations with various cardiac imaging techniques were also reviewed, with recommendations for use in various clinical scenarios. Mortality risk stratification based on the Rassi score, with recent studies of its application, was complemented by methods that detect myocardial fibrosis.nbsp;
The current methodology for etiological diagnosis and the consequent implications of trypanonomic treatment deserved a comprehensive and in-depth approach. Also the treatment of patients at risk or with heart failure, arrhythmias and thromboembolic events, based on pharmacological and complementary resources, received special attention. Additional chapters supported the conducts applicable to several special contexts, including t. cruzi/HIV co-infection, risk during surgeries, in pregnant women, in the reactivation of infection after heart transplantation, and others.nbsp; nbsp;nbsp;
Finally, two chapters of great social significance, addressing the structuring of specialized services to care for individuals with the Cardiomyopathy of Chagas disease, and reviewing the concepts of severe heart disease and its medical-labor implications completed this guideline.
Esta diretriz teve como objetivo principal atualizar os conceitos e formular as normas de conduta e evidências científicas que as suportam, quanto ao diagnóstico e tratamento da CDC, com especial ênfase na base de racionalidade que a embasou.
A DC no século XXI mantém padrão epidemiológico de endemicidade em 21 países da América Latina. Investigadores e gestores de países endêmicos e não endêmicos indigitam a necessidade de se adotarem políticas abrangentes, de saúde pública, para controle eficaz da transmissão inter-humanos da infecção pelo T. cruzi, e obter-se nível otimizado de atendimento aos indivíduos já infectados, com foco em oportunização diagnóstica e terapêutica.
Mecanismos patogênicos e fisiopatológicos da CDC foram revisitados após atualização aprofundada e ficou bem consolidada a noção de que necrose e fibrose sejam estimuladas pela persistência parasitária tissular e reação imune adversa, como mecanismos fundamentais, coadjuvados por distúrbios autonômicos e microvasculares. Alguns deles recentemente constituíram alvos potenciais de terapêuticas.
A história natural das fases aguda e crônica foi revista, com realce para a transmissão oral, a forma indeterminada e as síndromes crônicas. Metanálises recentes de estudos observacionais estimaram o risco de evolução a partir das formas aguda e indeterminada e de mortalidade após instalação da cardiomiopatia crônica. Condutas terapêuticas aplicáveis aos indivíduos com a FIDC foram abordadas especificamente. Todos os métodos para detectar alterações estruturais e/ou funcionais com variadas técnicas de imageamento cardíaco também foram revisados, com recomendações de uso nos vários cenários clínicos. Estratificação de risco de mortalidade fundamentada no escore de Rassi, com estudos recentes de sua aplicação, foi complementada por métodos que detectam fibrose miocárdica.
A metodologia atual para diagnóstico etiológico e as consequentes implicações do tratamento tripanossomicida mereceram enfoque abrangente e aprofundado. Também o tratamento de pacientes em risco ou com insuficiência cardíaca, arritmias e eventos tromboembólicos, baseado em recursos farmacológicos e complementares, recebeu especial atenção. Capítulos suplementares subsidiaram as condutas aplicáveis a diversos contextos especiais, entre eles o da co-infecção por T. cruzi/HIV, risco durante cirurgias, em grávidas, na reativação da infecção após transplante cardíacos, e outros.nbsp;nbsp;nbsp;
Por fim, dois capítulos de grande significado social, abordando a estruturação de serviços especializados para atendimento aos indivíduos com a CDC, e revisando os conceitos de cardiopatia grave e suas implicações médico-trabalhistas completaram esta diretriz.nbsp;
5.
Ablação Septal com Radiofrequência e Uso de Novas Tecnologias em Pacientes com Cardiomiopatia Hipertrófica no Laboratório de Eletrofisiologia
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Chokr, Muhieddine
; Mayrink, Marina
; Vandoni, Pedro Mario Pinto
; Linhares, Pedro Vieira
; Sousa, Italo Bruno dos Santos
; Castello Júnior, Hélio José
; Scanavacca, Mauricio
.
Arquivos Brasileiros de Cardiologia
- Métricas do periódico
6.
Absence of Trichinella spp. larvae in carcasses of road-killed wild animals in Paraná state, Brazil
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Jurkevicz, Rafaela Maria Boson
; Silva, Douglas Aparecido da
; Ferreira Neto, José Maurício
; Matos, Andressa Maria Rorato Nascimento de
; Pires, Bárbara Giglio
; Paschoal, Aline Ticiani Pereira
; Pinto-Ferreira, Fernanda
; Bracarense, Ana Paula Frederico Loureiro
; Mitsuka-Breganó, Regina
; Freire, Roberta Lemos
; Navarro, Italmar Teodorico
; Caldart, Eloiza Teles
.
Revista Brasileira de Parasitologia Veterinária
- Métricas do periódico
Resumo Trichinella spp. é um parasito zoonótico de distribuição mundial detectado em carnívoros e onívoros de sangue quente e humanos. Até o momento, o Brasil é considerado pela Organização Mundial de Saúde Animal livre do ciclo doméstico da doença, enquanto o ciclo silvestre do parasito tem status de infecção em áreas limitadas. No entanto, em países vizinhos como a Argentina, larvas do parasito foram encontradas na fauna silvestre. O presente estudo teve como objetivo determinar a ocorrência de Trichinella spp. em animais silvestres atropelados no Paraná, Brasil. Amostras biológicas de 71 animais silvestres – 29 Didelphis albiventris, 11 Nasua-nasua, dez Cerdocyon thous, sete Dasypus novemcinctus, seis Leopardus gattulus, seis Sphiggurus spinosus e dois Puma concolor– coletadas de novembro de 2016 a novembro de 2021 foram submetidas à digestão artificial, seguindo a metodologia descrita do REGULAMENTO (CE) Nº2075/2005. Não foram encontradas larvas de Trichinella spp. nas carcaças dos animais selvagens atropelados. No entanto, considerando o amplo espectro de possíveis reservatórios que podem atuar como elo entre os ciclos silvestre e doméstico e considerando a condição atual da triquinelose silvestre no Brasil em áreas limitadas, o monitoramento frequente da fauna silvestre é necessário.
Abstract Trichinella spp. are zoonotic parasites that are widely distributed in warm-blooded carnivores and omnivores, including humans. Until the present moment, Brazil has been considered by World Animal Health Organization free from the domestic cycle of trichinellosis, whereas the parasite’s sylvatic cycle has the status of infection in limited zones. However, neighboring countries such as Argentina have reports of parasite larvae in the wild fauna. The present study aimed to determine the occurrence of Trichinella spp. in road-killed wild animals in Paraná, Brazil. Biological samples from 71 wild animals—29 Didelphis albiventris, 11 Nasua nasua, ten Cerdocyon thous, seven Dasypus novemcinctus, six Leopardus guttulus, six Sphiggurus spinosus and two Puma concolor—collected from November 2016 to November 2021 were subjected to artificial digestion, following the methodology described in the REGULATION (EC) No. 2075/2005. No Trichinella spp. larvae were detected in the carcasses of the road-killed wild animals. However, considering the wide spectrum of possible reservoirs that could act as a link between the sylvatic and domestic cycles and considering the current Brazilian status of sylvatic trichinellosis in limited zones, frequent monitoring of wild fauna remains necessary.
7.
Differentials in death count records by databases in Brazil in 2010
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Diógenes, Victor Hugo Dias
; Pinto Júnior, Elzo Pereira
; Gonzaga, Marcos Roberto
; Queiroz, Bernardo Lanza
; Lima, Everton E. C.
; Costa, Lilia Carolina C. da
; Rocha, Aline S.
; Ferreira, Andrêa J. F.
; Teixeira, Camila S. S.
; Alves, Flávia Jôse O.
; Rameh, Leila
; Flores-Ortiz, Renzo
; Leyland, Alastair
; Dundas, Ruth
; Barreto, Maurício L.
; Ichihara, Maria Yury Travassos
.
ABSTRACT OBJECTIVE To compare the death counts from three sources of information on mortality available in Brazil in 2010, the Mortality Information System (SIM - Sistema de Informações sobre Mortalidade ), Civil Registration Statistic System (RC - Sistema de Estatísticas de Resgistro Civil ), and the 2010 Demographic Census at various geographical levels, and to confirm the association between municipal socioeconomic characteristics and the source which showed the highest death count. METHODS This is a descriptive and comparative study of raw data on deaths in the SIM, RC and 2010 Census databases, the latter held in Brazilian states and municipalities between August 2009 and July 2010. The percentage of municipalities was confirmed by the database showing the highest death count. The association between the source of the highest death count and socioeconomic indicators - the Índice de Privação Brasileiro (IBP – Brazilian Deprivation Index) and Índice de Desenvolvimento Humano Municipal (IHDM – Municipal Human Development Index) - was performed by bivariate choropleth and Moran Local Index of Spatial Association (LISA) cluster maps. RESULTS Confirmed that the SIM is the database with the highest number of deaths counted for all Brazilian macroregions, except the North, in which the highest coverage was from the 2010 Census. Based on the indicators proposed, in general, the Census showed a higher coverage of deaths than the SIM and the RC in the most deprived (highest IBP values) and less developed municipalities (lowest IDHM values) in the country. CONCLUSION The results highlight regional inequalities in how the databases chosen for this study cover death records, and the importance of maintaining the issue of mortality on the basic census questionnaire.
8.
Differentials in death count records by databases in Brazil in 2010
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Diógenes, Victor Hugo Dias
; Pinto Júnior, Elzo Pereira
; Gonzaga, Marcos Roberto
; Queiroz, Bernardo Lanza
; Lima, Everton E. C.
; Costa, Lilia Carolina C. da
; Rocha, Aline S.
; Ferreira, Andrêa J. F.
; Teixeira, Camila S. S.
; Alves, Flávia Jôse O.
; Rameh, Leila
; Flores-Ortiz, Renzo
; Leyland, Alastair
; Dundas, Ruth
; Barreto, Maurício L.
; Ichihara, Maria Yury Travassos
.
ABSTRACT OBJECTIVE To compare the death counts from three sources of information on mortality available in Brazil in 2010, the Mortality Information System (SIM - Sistema de Informações sobre Mortalidade ), Civil Registration Statistic System (RC - Sistema de Estatísticas de Resgistro Civil ), and the 2010 Demographic Census at various geographical levels, and to confirm the association between municipal socioeconomic characteristics and the source which showed the highest death count. METHODS This is a descriptive and comparative study of raw data on deaths in the SIM, RC and 2010 Census databases, the latter held in Brazilian states and municipalities between August 2009 and July 2010. The percentage of municipalities was confirmed by the database showing the highest death count. The association between the source of the highest death count and socioeconomic indicators - the Índice de Privação Brasileiro (IBP – Brazilian Deprivation Index) and Índice de Desenvolvimento Humano Municipal (IHDM – Municipal Human Development Index) - was performed by bivariate choropleth and Moran Local Index of Spatial Association (LISA) cluster maps. RESULTS Confirmed that the SIM is the database with the highest number of deaths counted for all Brazilian macroregions, except the North, in which the highest coverage was from the 2010 Census. Based on the indicators proposed, in general, the Census showed a higher coverage of deaths than the SIM and the RC in the most deprived (highest IBP values) and less developed municipalities (lowest IDHM values) in the country. CONCLUSION The results highlight regional inequalities in how the databases chosen for this study cover death records, and the importance of maintaining the issue of mortality on the basic census questionnaire.
9.
Mortality inequalities measured by socioeconomic indicators in Brazil: a scoping review
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Ichihara, Maria Yury
; Ferreira, Andrêa J.F.
; Teixeira, Camila S. S.
; Alves, Flávia Jôse O.
; Rocha, Aline Santos
; Diógenes, Victor Hugo Dias
; Ramos, Dandara Oliveira
; Pinto Júnior, Elzo Pereira
; Flores-Ortiz, Renzo
; Rameh, Leila
; Costa, Lilia Carolina C. da
; Gonzaga, Marcos Roberto
; Lima, Everton E. C.
; Dundas, Ruth
; Leyland, Alastair
; Barreto, Maurício L.
.
ABSTRACT OBJECTIVE Summarize the literature on the relationship between composite socioeconomic indicators and mortality in different geographical areas of Brazil. METHODS This scoping review included articles published between January 1, 2000, and August 31, 2020, retrieved by means of a bibliographic search carried out in the Medline, Scopus, Web of Science, and Lilacs databases. Studies reporting on the association between composite socioeconomic indicators and all-cause, or specific cause of death in any age group in different geographical areas were selected. The review summarized the measures constructed, their associations with the outcomes, and potential study limitations. RESULTS Of the 77 full texts that met the inclusion criteria, the study reviewed 24. The area level of composite socioeconomic indicators analyzed comprised municipalities (n = 6), districts (n = 5), census tracts (n = 4), state (n = 2), country (n = 2), and other areas (n = 5). Six studies used composite socioeconomic indicators such as the Human Development Index, Gross Domestic Product, and the Gini Index; the remaining 18 papers created their own socioeconomic measures based on sociodemographic and health indicators. Socioeconomic status was inversely associated with higher rates of all-cause mortality, external cause mortality, suicide, homicide, fetal and infant mortality, respiratory and circulatory diseases, stroke, infectious and parasitic diseases, malnutrition, gastroenteritis, and oropharyngeal cancer. Higher mortality rates due to colorectal cancer, leukemia, a general group of neoplasms, traffic accident, and suicide, in turn, were observed in less deprived areas and/or those with more significant socioeconomic development. Underreporting of death and differences in mortality coverage in Brazilian areas were cited as the main limitation. CONCLUSIONS Studies analyzed mortality inequalities in different geographical areas by means of composite socioeconomic indicators, showing that the association directions vary according to the mortality outcome. But studies on all-cause mortality and at the census tract level remain scarce. The results may guide the development of new composite socioeconomic indicators for use in mortality inequality analysis.
10.
Mortality inequalities measured by socioeconomic indicators in Brazil: a scoping review
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Ichihara, Maria Yury
; Ferreira, Andrêa J.F.
; Teixeira, Camila S. S.
; Alves, Flávia Jôse O.
; Rocha, Aline Santos
; Diógenes, Victor Hugo Dias
; Ramos, Dandara Oliveira
; Pinto Júnior, Elzo Pereira
; Flores-Ortiz, Renzo
; Rameh, Leila
; Costa, Lilia Carolina C. da
; Gonzaga, Marcos Roberto
; Lima, Everton E. C.
; Dundas, Ruth
; Leyland, Alastair
; Barreto, Maurício L.
.
ABSTRACT OBJECTIVE Summarize the literature on the relationship between composite socioeconomic indicators and mortality in different geographical areas of Brazil. METHODS This scoping review included articles published between January 1, 2000, and August 31, 2020, retrieved by means of a bibliographic search carried out in the Medline, Scopus, Web of Science, and Lilacs databases. Studies reporting on the association between composite socioeconomic indicators and all-cause, or specific cause of death in any age group in different geographical areas were selected. The review summarized the measures constructed, their associations with the outcomes, and potential study limitations. RESULTS Of the 77 full texts that met the inclusion criteria, the study reviewed 24. The area level of composite socioeconomic indicators analyzed comprised municipalities (n = 6), districts (n = 5), census tracts (n = 4), state (n = 2), country (n = 2), and other areas (n = 5). Six studies used composite socioeconomic indicators such as the Human Development Index, Gross Domestic Product, and the Gini Index; the remaining 18 papers created their own socioeconomic measures based on sociodemographic and health indicators. Socioeconomic status was inversely associated with higher rates of all-cause mortality, external cause mortality, suicide, homicide, fetal and infant mortality, respiratory and circulatory diseases, stroke, infectious and parasitic diseases, malnutrition, gastroenteritis, and oropharyngeal cancer. Higher mortality rates due to colorectal cancer, leukemia, a general group of neoplasms, traffic accident, and suicide, in turn, were observed in less deprived areas and/or those with more significant socioeconomic development. Underreporting of death and differences in mortality coverage in Brazilian areas were cited as the main limitation. CONCLUSIONS Studies analyzed mortality inequalities in different geographical areas by means of composite socioeconomic indicators, showing that the association directions vary according to the mortality outcome. But studies on all-cause mortality and at the census tract level remain scarce. The results may guide the development of new composite socioeconomic indicators for use in mortality inequality analysis.
11.
Métodos para avaliação da efetividade de vacinas para COVID-19 com ênfase em abordagens quase-experimentais
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Pescarini, Julia Moreira
; Teixeira, Camila Silveira Silva
; Cruz, Enny Paixão
; Ortelan, Naia
; Pinto, Priscila Fernanda Porto Scaff
; Ferreira, Andrêa Jacqueline Fortes
; Alves, Flavia Jôse Oliveira
; Pinto Junior, Elzo Pereira
; Falcão, Ila Rocha
; Rocha, Aline dos Santos
; Silva, Nivea Bispo da
; Ortiz, Renzo Flores
; Saavedra, Ramon da Costa
; Oliveira, Vinicius de Araújo
; Ribeiro-Silva, Rita de Cássia
; Ichihara, Maria Yury Travassos
; Boaventura, Viviane
; Barral Netto, Manoel
; Kerr, Ligia Regina Franco Sansigolo
; Werneck, Guilherme Loureiro
; Barreto, Mauricio L.
.
Resumo A avalição da efetividade de vacinas é feita com dados do mundo real e é essencial para monitorar o desempenho dos programas de vacinação ao longo do tempo bem como frente a novas variantes. Até o momento, a avaliação da efetividade das vacinas para COVID-19 tem sido baseada em métodos clássicos como estudos de coorte e caso controle teste-negativo, que muitas vezes podem não permitir o adequado controle dos vieses intrínsecos da alocação das campanhas de vacinação. O objetivo dessa revisão foi discutir os desenhos de estudo disponíveis para avaliação de efetividade das vacinas, enfatizando os estudos quase-experimentais, que buscam mimetizar os estudos aleatorizados ao introduzir um componente exógeno para atribuição ao tratamento, bem como suas vantagens, limitações e aplicabilidade no contexto dos dados brasileiros. O emprego de métodos quase-experimentais, incluindo as séries temporais interrompidas, o método de diferença em diferenças, escore de propensão, variáveis instrumentais e regressão descontínua, são relevantes pela possibilidade de gerar estimativas mais acuradas da efetividade de vacinas para COVID-19 em cenários como o brasileiro, que se caracteriza pelo uso de várias vacinas, com respectivos número e intervalos entre doses, aplicadas em diferentes faixas etárias e em diferentes momentos da pandemia.
Abstract The evaluation of vaccine effectiveness is conducted with real-world data. They are essential to monitor the performance of vaccination programmes over time, and in the context of the emergence of new variants. Until now, the effectiveness of COVID-19 vaccines has been assessed based on classic methods, such as cohort and test-negative case-control studies, which may often not allow for adequate control of inherent biases in the assignment of vaccination campaigns. The aim of this review was to discuss the study designs available to evaluate vaccine effectiveness, highlighting quasi-experimental studies, which seek to mimic randomized trials, by introducing an exogenous component to allocate to treatment, in addition to the advantages, limitations, and applicability in the context of Brazilian data. The use of quasi-experimental approaches, such as interrupted time series, difference-in-differences, propensity scores, instrumental variables, and regression discontinuity design, are relevant due to the possibility of providing more accurate estimates of COVID-19 vaccine effectiveness. This is especially important in scenarios such as the Brazilian, which characterized by the use of various vaccines, with the respective numbers and intervals between doses, applied to different age groups, and introduced at different times during the pandemic.
12.
Tumores Neuroendocrinos: un desafío transversal
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Carrillo, Diego
; Muñoz-Medel, Matías
; Retamal, Ignacio
; Pinto, Mauricio
; Bravo, María L.
; Nervi, Bruno
; Peña, José
; Valenzuela, Yasna
; Guarda, Francisco J.
; Nilo, Flavia
; Bello, Fernando
; Orellana, Pilar
; Vicentini, Daniel
; Quintana, Juan Carlos
; Torres, Paula J.
; Leal, José Luis
; Garrido, Marcelo
.
Neuroendocrine Tumors (NETs) encompass a wide variety of tumors arising from neuroendocrine cells, which produce bioactive substances. The incidence of NETs increased significantly lately, becoming one of the most common tumors of the digestive tract. Their clinical presentation is as diverse as their capacity for hormone production. Carcinoid syndrome is the most common hormonal syndrome produced by NETs and is characterized by diarrhea, flushing and cardiac valvular lesions. New research brought multiple changes in the classification of these neoplasms and a new understanding about their diagnosis and treatment, promoting a multidisciplinary approach. Somatostatin analogues, radiation, biological, and cytotoxic drugs have improved the prognosis of these patients, which entails a great challenge for healthcare providers.
https://doi.org/10.4067/s0034-98872021000600888
370 downloads
13.
Consenso Colombiano para la prevención, diagnóstico y manejo de condiciones trombóticas en pacientes adultos con COVID-19: aplicando el Marco de la Evidencia a la Decisión (EtD) GRADE
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Acevedo-Peña, Juan
; Yomayusa-González, Nancy
; Cantor-Cruz, Francy
; Pinzon-Florez, Carlos
; Barrero-Garzón, Liliana
; De-La-Hoz-Siegler, Ilich
; Low-Padilla, Eduardo
; Ramírez-Ceron, Carlos
; Combariza-Vallejo, Felipe
; Arias-Barrera, Carlos
; Moreno-Cortés, Javier
; Rozo-Vanstrahlen, José
; Correa-Pérez, Liliana
; Rojas-Gambasica, José
; González-González, Camilo
; La-Rotta-Caballero, Eduardo
; Ruíz-Talero, Paula
; Contreras-Páez, Rubén
; Lineros-Montañez, Alberto
; Ordoñez-Cardales, Jorge
; Escobar-Olaya, Mario
; Izaguirre-Ávila, Raúl
; Campos-Guerra, Joao
; Accini-Mendoza, José
; Pizarro-Gómez, Camilo
; Patiño-Pérez, Adulkarín
; Flores-Rodríguez, Janine
; Valencia-Moreno, Albert
; Londoño-Villegas, Alejandro
; Saavedra-Rodríguez, Alfredo
; Madera-Rojas, Ana
; Caballero-Arteaga, Andrés
; Díaz-Campos, Andrés
; Correa-Rivera, Felipe
; Mantilla-Reinaud, Andrés
; Becerra-Torres, Ángela
; Peña-Castellanos, Ángela
; Reina-Soler, Aura
; Escobar-Suarez, Bibiana
; Patiño-Escobar, Bonell
; Rodríguez-Cortés, Camilo
; Rebolledo-Maldonado, Carlos
; Ocampo-Botero, Carlos
; Rivera-Ordoñez, Carlos
; Saavedra-Trujillo, Carlos
; Figueroa-Restrepo, Catalina
; Agudelo-López, Claudia
; Jaramillo-Villegas, Claudia
; Villaquirán-Torres, Claudio
; Rodríguez-Ariza, Daniel
; Rincón-Valenzuela, David
; Lemus-Rojas, Melissa
; Pinto-Pinzón, Diego
; Garzón-Díaz, Diego
; Cubillos-Apolinar, Diego
; Beltrán-Linares, Edgar
; Kondo-Rodríguez, Emilio
; Yama-Mosquera, Erica
; Polania-Fierro, Ernesto
; Real-Urbina, Evalo
; Rosas-Romero, Andrés
; Mendoza-Beltrán, Fernán
; Guevara-Pulido, Fredy
; Celia-Márquez, Gina
; Ramos-Ramos, Gloria
; Prada-Martínez, Gonzalo
; León-Basantes, Guillermo
; Liévano-Sánchez, Guillermo
; Ortíz-Ruíz, Guillermo
; Barreto-García, Gustavo
; Ibagón-Nieto, Harold
; Idrobo-Quintero, Henry
; Martínez-Ramírez, Ingrid
; Solarte-Rodríguez, Ivan
; Quintero-Barrios, Jorge
; Arenas-Gamboa, Jaime
; Pérez-Cely, Jairo
; Castellanos-Parada, Jeffrey
; Garzón-Martínez, Fredy
; Luna-Ríos, Joaquín
; Lara-Terán, Joffre
; Vargas-Fodríguez, Johanna
; Dueñas-Villamil, Rubén
; Bohórquez-Feyes, Vicente
; Martínez-Acosta, Carlos
; Gómez-Mesa, Esteban
; Gaitán-Rozo, Julián
; Cortes-Colorado, Julián
; Coral-Casas, Juliana
; Horlandy-Gómez, Laura
; Bautista-Toloza, Leonardo
; Palacios Palacios, Leonardo
; Fajardo-Latorre, Lina
; Pino-Villarreal, Luis
; Rojas-Puentes, Leonardo
; Rodríguez-Sánchez, Patricia
; Herrera-Méndez, Mauricio
; Orozco-Levi, Mauricio
; Sosa-Briceño, Mónica
; Moreno-Ruíz, Nelson
; Sáenz-Morales, Oscar
; Amaya-González, Pablo
; Ramírez-García, Sergio
; Nieto-Estrada, Víctor
; Carballo-Zárate, Virgil
; Abello-Polo, Virginia
.
resumen está disponible en el texto completo
Abstract Recent studies have reported the occurrence of thrombotic phenomena or coagulopathy in patients with COVID-19. There are divergent positions regarding the prevention, diagnosis, and treatment of these phenomena, and current clinical practice is based solely on deductions by extension from retrospective studies, case series, observational studies, and international guidelines developed prior to the pandemic. In this context, the aim was to generate a group of recommendations on the prevention, diagnosis and management of thrombotic complications associated with COVID-19. Methods: A rapid guidance was carried out applying the GRADE Evidence to Decision (EtD) frameworks and an iterative participation system, with statistical and qualitative analysis. Results: 31 clinical recommendations were generated focused on: a) Coagulation tests in symptomatic adults with suspected infection or confirmed SARS CoV-2 infection; b) Thromboprophylaxis in adults diagnosed with COVID-19 (Risk scales, thromboprophylaxis for outpatient, in-hospital management, and duration of thromboprophylaxis after discharge from hospitalization), c) Diagnosis and treatment of thrombotic complications, and d) Management of people with previous indication of anticoagulant agents. Conclusions: Recommendations of this consensus guide clinical decision-making regarding the prevention, diagnosis, and treatment of thrombotic phenomena in patients with COVID-19, and represent an agreement that will help decrease the dispersion in clinical practices according to the challenge imposed by the pandemic.
https://doi.org/10.36104/amc.2021.2078
253 downloads
14.
Estimating the area and weight of cactus forage cladodes using linear dimensions
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Lucena, Leandro Ricardo Rodrigues de
; Leite, Maurício Luiz de Mello Vieira
; Simões, Vicente José Laamon Pinto
; Nóbrega, Camila
; Almeida, Mirna Clarissa Rodrigues
; Simplício, Josimar Bento
.
ABSTRACT. The forage palm is one of the main forages of ruminants in semiarid regions. Measurements of leaf area are required in agronomic studies because they are one of the main parameters used to evaluate plant growth. The objective of this study was to validate and define the best models for estimating the area and weight of Giant Sweet clone (Nopalea cochenillifera) forage cladodes in a non-destructive way based on the linear dimensions of length, width and thickness. There were 432 randomly measured cladodes at 550 days after planting. The length, width and thickness of each cladode were measured using a digital calliper. The cladodes were weighed individually. The cladode area was calculated by the gravimetric method. The power regression model was the most efficient method to explain the cladode area as a function of the product of length by width, while the gamma model was the most efficient method to explain the weight of cladodes as a function of the product of length by width and thickness. The power model, R C A ̂ = L W 0.982, and gamma model, W C ̂ = 0.536 T + 0.028 L W, were used to determine the area and weight of Nopalea cochenillifera Giant Sweet clone cladodes, respectively, based on the values of linear dimensions measured independently of the order of the cladode.
https://doi.org/10.4025/actasciagron.v43i1.45460
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15.
Métodos para avaliação da efetividade de vacinas para COVID-19 com ênfase em abordagens quase-experimentais
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Pescarini, Julia Moreira
; Teixeira, Camila Silveira Silva
; Cruz, Enny Paixão
; Ortelan, Naia
; Pinto, Priscila Fernanda Porto Scaff
; Ferreira, Andrêa Jacqueline Fortes
; Alves, Flavia Jôse Oliveira
; Pinto Junior, Elzo Pereira
; Falcão, Ila Rocha
; Rocha, Aline dos Santos
; Silva, Nivea Bispo da
; Ortiz, Renzo Flores
; Saavedra, Ramon da Costa
; Oliveira, Vinicius de Araújo
; Ribeiro-Silva, Rita de Cássia
; Ichihara, Maria Yury Travassos
; Boaventura, Viviane
; Barral Netto, Manoel
; Kerr, Ligia Regina Franco Sansigolo
; Werneck, Guilherme Loureiro
; Barreto, Mauricio L.
.
Resumo A avalição da efetividade de vacinas é feita com dados do mundo real e é essencial para monitorar o desempenho dos programas de vacinação ao longo do tempo bem como frente a novas variantes. Até o momento, a avaliação da efetividade das vacinas para COVID-19 tem sido baseada em métodos clássicos como estudos de coorte e caso controle teste-negativo, que muitas vezes podem não permitir o adequado controle dos vieses intrínsecos da alocação das campanhas de vacinação. O objetivo dessa revisão foi discutir os desenhos de estudo disponíveis para avaliação de efetividade das vacinas, enfatizando os estudos quase-experimentais, que buscam mimetizar os estudos aleatorizados ao introduzir um componente exógeno para atribuição ao tratamento, bem como suas vantagens, limitações e aplicabilidade no contexto dos dados brasileiros. O emprego de métodos quase-experimentais, incluindo as séries temporais interrompidas, o método de diferença em diferenças, escore de propensão, variáveis instrumentais e regressão descontínua, são relevantes pela possibilidade de gerar estimativas mais acuradas da efetividade de vacinas para COVID-19 em cenários como o brasileiro, que se caracteriza pelo uso de várias vacinas, com respectivos número e intervalos entre doses, aplicadas em diferentes faixas etárias e em diferentes momentos da pandemia.
Abstract The evaluation of vaccine effectiveness is conducted with real-world data. They are essential to monitor the performance of vaccination programmes over time, and in the context of the emergence of new variants. Until now, the effectiveness of COVID-19 vaccines has been assessed based on classic methods, such as cohort and test-negative case-control studies, which may often not allow for adequate control of inherent biases in the assignment of vaccination campaigns. The aim of this review was to discuss the study designs available to evaluate vaccine effectiveness, highlighting quasi-experimental studies, which seek to mimic randomized trials, by introducing an exogenous component to allocate to treatment, in addition to the advantages, limitations, and applicability in the context of Brazilian data. The use of quasi-experimental approaches, such as interrupted time series, difference-in-differences, propensity scores, instrumental variables, and regression discontinuity design, are relevant due to the possibility of providing more accurate estimates of COVID-19 vaccine effectiveness. This is especially important in scenarios such as the Brazilian, which characterized by the use of various vaccines, with the respective numbers and intervals between doses, applied to different age groups, and introduced at different times during the pandemic.
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