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Resumo Fundamento A incidência de eventos cardiovasculares em pacientes com doença cardíaca isquêmica crônica (DCIC) pode variar significativamente entre os países. Embora populoso, o Brasil é frequentemente sub-representado nos registros internacionais. Objetivos Este estudo teve como objetivo descrever a qualidade do atendimento e a incidência de eventos cardiovasculares em dois anos, além de fatores prognósticos associados em pacientes com DCIC em um centro terciário de saúde pública no Brasil. Métodos Pacientes com DCIC que compareceram para avaliação clínica no Instituto do Coração (São Paulo, Brasil) foram cadastrados e acompanhados por dois anos. O desfecho primário foi um composto de infarto do miocárdio (IM), acidente vascular encefálico ou morte. Um nível de significância de 0,05 foi adotado. Resultados De janeiro de 2016 a dezembro de 2018, 625 participantes foram incluídos no estudo. As características basais mostram que 33,1% eram mulheres, a idade mediana era de 66,1 [59,6 – 71,9], 48,6% tinham diabetes, 83,1% tinham hipertensão, 62,6% tinham IM prévio e 70,4% passaram por algum procedimento de revascularização. Em um acompanhamento mediano de 881 dias, 37 (7,05%) desfechos primários foram observados. Após ajustes, idade, acidente vascular encefálico prévio e colesterol LDL foram independentemente associados ao desfecho primário. Comparando a linha de base com o acompanhamento, os participantes relataram alívio da angina com base na escala da Sociedade Cardiovascular Canadense (SCC) de acordo com as seguintes porcentagens: 65,7% vs. 81,7% eram assintomáticos e 4,2% vs. 2,9% eram SCC 3 ou 4 (p < 0,001). Eles também relataram melhor qualidade na prescrição de medicamentos: 65,8% vs. 73,6% (p < 0,001). No entanto, não houve melhora no colesterol LDL ou no controle da pressão arterial. Conclusão O presente estudo mostra que pacientes com DCIC apresentaram uma incidência de 7,05% do desfecho primário composto em um período de dois anos, sendo a diminuição do colesterol LDL o único fator de risco modificável associado ao prognóstico. (DCIC países populoso subrepresentado sub representado internacionais anos São Paulo IM, , (IM) morte 005 0 05 0,0 adotado 201 2018 62 331 33 1 33,1 mulheres 661 66 66, 59,6 596 59 6 [59, 71,9, 719 71,9 71 9 71,9] 486 48 48,6 diabetes 831 83 83,1 hipertensão 626 62,6 704 70 70,4 revascularização 88 dias 705 7 (7,05% observados ajustes (SCC porcentagens 657 65 65,7 vs 817 81 81,7 42 2 4,2 29 2,9 p 0,001. 0001 0,001 . 001 0,001) medicamentos 658 8 65,8 736 73 73,6 entanto arterial 7,05 prognóstico (IM 00 0, 20 33, 59, 5 [59 71, 48, 83, 62, 70, (7,05 65, 81, 4, 2, 000 0,00 73, 7,0 [5 (7,0 7, [ (7, (7 (

Abstract Background The incidence of cardiovascular events in patients with chronic ischemic heart disease (CIHD) may vary significantly among countries. Although populous, Brazil is often underrepresented in international records. Objectives This study aimed to describe the quality of care and the two-year incidence of cardiovascular events and associated prognostic factors in CIHD patients in a tertiary public health care center in Brazil. Methods Patients with CIHD who reported for clinical evaluation at Instituto do Coração (São Paulo, Brazil) were registered and followed for two years. The primary endpoint was a composite of myocardial infarction (MI), stroke, or death. A significance level of 0.05 was adopted. Results From January 2016 to December 2018, 625 participants were included in the study. Baseline characteristics show that 33.1% were women, median age 66.1 [59.6 – 71.9], 48.6% had diabetes, 83.1% had hypertension, 62.6% had previous MI, and 70.4% went through some revascularization procedure. At a median follow-up (FU) of 881 days, we noted 37 (7.05%) primary endpoints. After adjustments, age, previous stroke, and LDL-cholesterol were independently associated with the primary endpoint. Comparing baseline versus FU, participants experienced relief of angina based on the Canadian Cardiovascular Society (CCS) scale according to the following percentages: 65.7% vs. 81.7% were asymptomatic and 4.2% vs. 2.9% CCS 3 or 4 (p < 0.001). They also experienced better quality of medication prescription: 65.8% vs. 73.6% (p < 0.001). However, there was no improvement in LDL-cholesterol or blood pressure control. Conclusion This study shows that CIHD patients had a two-year incidence of the primary composite endpoint of 7.05%, and the reduction of LDL-cholesterol was the only modifiable risk factor associated with prognosis. (CIHD countries populous records twoyear year São Paulo years MI , (MI) stroke death 005 0 05 0.0 adopted 201 2018 62 331 33 1 33.1 women 661 66 66. 59.6 596 59 6 [59. 71.9, 719 71.9 71 9 71.9] 486 48 48.6 diabetes 831 83 83.1 hypertension 626 62.6 704 70 70.4 procedure followup follow up FU (FU 88 days 7.05% 705 7 (7.05% endpoints adjustments LDLcholesterol LDL cholesterol (CCS percentages 657 65 65.7 vs 817 81 81.7 42 2 4.2 29 2.9 p 0.001. 0001 0.001 . 001 0.001) prescription 658 8 65.8 736 73 73.6 However control prognosis (MI 00 0. 20 33. 59. 5 [59 71. 48. 83. 62. 70. 7.05 (7.05 65. 81. 4. 2. 000 0.00 73. [5 7.0 (7.0 [ 7. (7. (7 (

https://doi.org/10.36660/abc.20220440

Bioprospecting the Cerrado’s Aromatic Flora: Chemical and Biological Studies of Three Essential Oils Cerrados Cerrado s Flora
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Rodrigues, Gardênia Barbosa Carrijo

; Fernandes, Cassia Cristina

; Marcionilio, Suzana Maria Loures de Oliveira

; Martins, Carlos Henrique Gomes

; Pedroso, Reginaldo dos Santos

; Santiago, Mariana Brentini

; Oliveira, Thaís Aparecida Santos

; Costa, Maria Paula Previdente

; Crotti, Antônio Eduardo Miller

; Miranda, Mayker Lazaro Dantas

Brazilian Archives of Biology and Technology

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2023, Volume 66 elocation e23220034

Abstract: En | Text: En | PDF: En

Abstract Chemical and pharmacological potentials of botanical species found in the Cerrado are well-known and widely studied. Chemical diversity of secondary metabolites produced by plants that belong to this Brazilian biome has triggered several studies in the fields of farming, pharmaceutical and cosmetic industries. Therefore, this study aimed at evaluating the chemical composition of essential oils (EOs) from fresh leaves of three species found in the Brazilian Cerrado: Cardiopetalum calophyllum Schltdl. (EO-CC), Campomanesia adamantium (Cambess.) O. Berg (EO-CA) and Protium ovatum Engl. (EO-PO) and at determining their anti-Malassezia furfur and anti-inflammatory activities. Both GC-FID and GC-MS showed that the most abundant chemical class of the oils was the one of sesquiterpene hydrocarbons. The major constituents identified in EO-CC were germacrene D (34.9%) and bicyclogermacrene (26.8%). EO-CA exhibited mainly germacrene D (21.7%) while EO-PO had high concentrations of germacrene D (25.0%) and γ-muurolene (18.6%). EOs were tested by the broth microdilution method on 96-well microplates and exhibited satisfactory activity against M. furfur, i. e., EO-CA had MIC = 375 µg/mL while EO-CC and EO-PO had MIC = 750 µg/mL. The chemotaxis model, which was used for evaluating their anti-inflammatory activity, showed that EOs exhibited effective results: C. calophyllum (EO-CC; IC50 = 24.4 µg/mL), C. adamantium (EO-CA; IC50 = 15.7 µg/mL) and P. ovatum (EO-PO; IC50 = 32.5 µg/mL). In short, biological activities of EO-CC, EO-CA and EO-PO, such as anti-Malassezia furfur and anti-inflammatory ones, were investigated and described for the first time. wellknown well known studied farming industries Therefore (EOs Schltdl EOCC, EOCC EO CC , (EO-CC) Cambess. Cambess (Cambess. O EOCA CA (EO-CA Engl EOPO PO (EO-PO antiMalassezia anti Malassezia antiinflammatory inflammatory GCFID GC FID GCMS MS hydrocarbons 34.9% 349 34 9 (34.9% 26.8%. 268 26.8% . 26 8 (26.8%) 21.7% 217 21 7 (21.7% 25.0% 250 25 0 (25.0% γmuurolene γ muurolene 18.6%. 186 18.6% 18 6 (18.6%) 96well 96 M i e e. 37 µgmL µg mL 75 model results C (EO-CC IC IC5 244 24 4 24. µg/mL, 157 15 15. P 325 32 5 32. short CC, EOPO, PO, ones time (Cambess 34.9 3 (34.9 26.8 2 (26.8% 21.7 (21.7 25.0 (25.0 18.6 1 (18.6% 34. (34. 26. (26.8 21. (21. 25. (25. 18. (18.6 (34 (26. (21 (25 (18. (3 (26 (2 (18 ( (1

https://doi.org/10.1590/1678-4324-2023220034

Posicionamento Brasileiro sobre o Uso da Multimodalidade de Imagens na Cardio-Oncologia – 2021
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Melo, Marcelo Dantas Tavares de

; Paiva, Marcelo Goulart

; Santos, Maria Verônica Câmara

; Rochitte, Carlos Eduardo

; Moreira, Valéria de Melo

; Saleh, Mohamed Hassan

; Brandão, Simone Cristina Soares

; Gallafrio, Claudia Cosentino

; Goldwasser, Daniel

; Gripp, Eliza de Almeida

; Piveta, Rafael Bonafim

; Silva, Tonnison Oliveira

; Santo, Thais Harada Campos Espirito

; Ferreira, Waldinai Pereira

; Salemi, Vera Maria Cury

; Cauduro, Sanderson A.

; Barberato, Silvio Henrique

; Lopes, Heloísa M. Christovam

; Pena, José Luiz Barros

; Rached, Heron Rhydan Saad

; Miglioranza, Marcelo Haertel

; Pinheiro, Aurélio Carvalho

; Vrandecic, Bárbara Athayde Linhares Martins

; Cruz, Cecilia Beatriz Bittencourt Viana

; Nomura, César Higa

; Cerbino, Fernanda Mello Erthal

; Costa, Isabela Bispo Santos da Silva

; Coelho Filho, Otavio Rizzi

; Carneiro, Adriano Camargo de Castro

; Burgos, Ursula Maria Moreira Costa

; Fernandes, Juliano Lara

; Uellendahl, Marly

; Calado, Eveline Barros

; Senra, Tiago

; Assunção, Bruna Leal

; Freire, Claudia Maria Vilas

; Martins, Cristiane Nunes

; Sawamura, Karen Saori Shiraishi

; Brito, Márcio Miranda

; Jardim, Maria Fernanda Silva

; Bernardes, Renata Junqueira Moll

; Diógenes, Tereza Cristina

; Vieira, Lucas de Oliveira

; Mesquita, Claudio Tinoco

; Lopes, Rafael Willain

; Segundo Neto, Elry Medeiros Vieira

; Rigo, Letícia

; Marin, Valeska Leite Siqueira

; Santos, Marcelo José

; Grossman, Gabriel Blacher

; Quagliato, Priscila Cestari

; Alcantara, Monica Luiza de

; Teodoro, José Aldo Ribeiro

; Albricker, Ana Cristina Lopes

; Barros, Fanilda Souto

; Amaral, Salomon Israel do

; Porto, Carmen Lúcia Lascasas

; Barros, Marcio Vinícius Lins

; Santos, Simone Nascimento dos

; Cantisano, Armando Luís

; Petisco, Ana Cláudia Gomes Pereira

; Barbosa, José Eduardo Martins

; Veloso, Orlando Carlos Glória

; Spina, Salvador

; Pignatelli, Ricardo

; Hajjar, Ludhmilla Abrahão

; Kalil Filho, Roberto

; Lopes, Marcelo Antônio Cartaxo Queiroga

; Vieira, Marcelo Luiz Campos

; Almeida, André Luiz Cerqueira

Arquivos Brasileiros de Cardiologia

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oct 2021, Volume 117 N. 4 Pages 845 - 909

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

https://doi.org/10.36660/abc.20200266 103 downloads

First report on chemical composition and biological properties of volatile oil from Psidium firmum O. Berg leaves
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Fernandes, Cassia Cristina

; Chrystal, Pietro

; Pereira, Alexandra Cristine

; Colli, Ana Carla

; Stenico, Livia

; Ribeiro, Arthur Barcelos

; Squarisi, Iara Silva

; Candido, Ana Carolina Bolela Bovo

; Tavares, Denise Crispim

; Magalhães, Lizandra Guidi

; Crotti, Antônio Eduardo Miller

; Martins, Carlos Henrique Gomes

; Miranda, Mayker Lazaro Dantas

Química Nova

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2021, Volume 44 N. 5 Pages 570 - 574

Abstract: En | Text: En | PDF: En

Brazil has the greatest plant diversity in the world. Many species exhibit a wide range of phytochemical compounds which can be exploited in food, agronomic, pharmacological and medicinal plant industries. Therefore, the chemical composition and in vitro bioactivities of volatile oil from Psidium firmum fresh leaves (PfVO) were investigated for the first time. GC-FID and GC-MS analyses revealed 28 compounds in PfVO. The major ones were α-selinene (20.8%), β-caryophyllene (16.5%) and nerolidol (10.4%). Results showed that PfVO affected the growth of Leishmania amazonensis promastigote forms in a dose-dependent manner; its IC50 value was 14.05 µg/mL. PfVO also exhibited antibacterial activity against Salmonella enteritidis, Yersinia enterocolitica, Staphylococcus aureus, Pseudomonas aeruginosa and Listeria monocytogenes; MIC values ranged from 25 μg/mL to 250 μg/mL. Moreover, PfVO promoted normal cell growth inhibition at 61.02 ± 1.97 µg/mL. Antiproliferative activity was observed against human tumor cell lines; IC50 values of MCF-7 cells, HeLa cells and M059J cells were 47.91 µg/mL, 73.78 µg/mL and 41.94 µg/mL, respectively. Results provided strong evidence of the promising potential of PfVO as a nature-based antileishmanial, antibacterial and antiproliferative agent.

https://doi.org/10.21577/0100-4042.20170710 50 downloads

Implications for Clinical Practice from a Multicenter Survey of Heart Failure Management Centers
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Bocchi, Edimar Alcides

; Moreira, Henrique Turin

; Nakamuta, Juliana Sanajotti

; Simões, Marcus Vinicius

; Casas, Alberto de Almeida Las

; Costa, Altamiro Reis da

; Assis, Amberson Vieira de

; Durães, André Rodrigues

; Pereira-Barretto, Antonio Carlos

; Ravessa, Antonio Delduque de Araujo

; Macedo, Ariane Vieira Scarlatelli

; Biselli, Bruno

; Pinto, Carolina Maria Nogueira

; Filho, Conrado Roberto Hoffmann

; Costantini, Costantino Roberto

; Almeida, Dirceu Rodrigues

; Santos Jr, Edval Gomes dos

; Soliva Junior, Erwin

; Figueiredo, Estevão Lanna

; Albuquerque, Felipe Neves de

; Paulitsch, Felipe

; Neuenschwander, Fernando Carvalho

; Figueiredo Neto, José Albuquerque de

; Brito, Flavio de Souza

; Lopes, Heno Ferreira

; Villacorta, Humberto

; Souza Neto, João David de

; Sepulveda, João Mariano

; Ayoub, José Carlos Aidar

; Vilela-Martin, José F.

; Cardoso, Juliano Novaes

; Uemura, Laercio

; Moura, Lidia Zytynski

; Maia, Lilia Nigro

; Oliveira, Lucia Brandão de

; Maia, Lucimir

; Silva, Luís Beck da

; Gowdak, Luís Henrique Wolff

; Danzmann, Luiz Claudio

; Andrade, Marcus

; Braile-Sternieri, Maria Christiane Valeria Braga

; Moreira, Maria da Consolação Vieira

; França Neto, Olimpio R

; Filho, Otavio Rizzi Coelho

; Esteves, Paulo Frederico

; Raupp-da-Rosa, Priscila

; Silva, Ricardo Jorge de Queiroz e

; Mourilhe-Rocha, Ricardo

; Viégas, Ruy Felipe Melo

; Rassi, Salvador

; Mangili, Sandrigo

; Kaiser, Sergio Emanuel

; Martins, Silvia Marinho

; Kawabata, Vitor Sergio

Clinics

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2021, Volume 76 elocation e1991

Abstract: En | Text: En | PDF: En

OBJECTIVES: This observational, cross-sectional study based aimed to test whether heart failure (HF)-disease management program (DMP) components are influencing care and clinical decision-making in Brazil. METHODS: The survey respondents were cardiologists recommended by experts in the field and invited to participate in the survey via printed form or email. The survey consisted of 29 questions addressing site demographics, public versus private infrastructure, HF baseline data of patients, clinical management of HF, performance indicators, and perceptions about HF treatment. RESULTS: Data were obtained from 98 centers (58% public and 42% private practice) distributed across Brazil. Public HF-DMPs compared to private HF-DMP were associated with a higher percentage of HF-DMP-dedicated services (79% vs 24%; OR: 12, 95% CI: 94-34), multidisciplinary HF (MHF)-DMP [84% vs 65%; OR: 3; 95% CI: 1-8), HF educational programs (49% vs 18%; OR: 4; 95% CI: 1-2), written instructions before hospital discharge (83% vs 76%; OR: 1; 95% CI: 0-5), rehabilitation (69% vs 39%; OR: 3; 95% CI: 1-9), monitoring (44% vs 29%; OR: 2; 95% CI: 1-5), guideline-directed medical therapy-HF use (94% vs 85%; OR: 3; 95% CI: 0-15), and less B-type natriuretic peptide (BNP) dosage (73% vs 88%; OR: 3; 95% CI: 1-9), and key performance indicators (37% vs 60%; OR: 3; 95% CI: 1-7). In comparison to non- MHF-DMP, MHF-DMP was associated with more educational initiatives (42% vs 6%; OR: 12; 95% CI: 1-97), written instructions (83% vs 68%; OR: 2: 95% CI: 1-7), rehabilitation (69% vs 17%; OR: 11; 95% CI: 3-44), monitoring (47% vs 6%; OR: 14; 95% CI: 2-115), GDMT-HF (92% vs 83%; OR: 3; 95% CI: 0-15). In addition, there were less use of BNP as a biomarker (70% vs 84%; OR: 2; 95% CI: 1-8) and key performance indicators (35% vs 51%; OR: 2; 95% CI: 91,6) in the non-MHF group. Physicians considered changing or introducing new medications mostly when patients were hospitalized or when observing worsening disease and/or symptoms. Adherence to drug treatment and non-drug treatment factors were the greatest medical problems associated with HF treatment. CONCLUSION: HF-DMPs are highly heterogeneous. New strategies for HF care should consider the present study highlights and clinical decision-making processes to improve HF patient care.

https://doi.org/10.6061/clinics/2021/e1991 870 downloads

Implante Percutâneo Transeptal de Bioprótese em Disfunção de Prótese Valvar Cirúrgica Mitral – Experiência Multicêntrica Brasileira
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Nicz, Pedro Felipe Gomes

; Melo, Pedro Henrique M. Craveiro de

; Brito, Pedro Henrique Ferro de

; Lima, Eliane Nogueira

; Silva, Ricardo Cavalcante e

; Prudente, Maurício Lopes

; Fernandes, Fernando Henrique

; Deininger, Maurilio Onofre

; Lopes, Marcelo Antônio Cartaxo Queiroga

; Petrucci, Fúlvio Soares

; Reis Filho, Fernando Roquette

; Marino, Marcos Antonio

; Bernardes, Rodrigo de Castro

; Melo, Eduardo Pessoa de

; Oliveira, Marco Antonio Praça

; Mangione, José Armando

; Mangione, Fernanda Marinho

; Falcão, Carlos Henrique Eiras

; Martins, Estêvão Carvalho de Campos

; Lunardi, Walter

; Bacal, Fernando

; Tarasoutchi, Flávio

; Brito Jr, Fábio Sândoli de

Arquivos Brasileiros de Cardiologia

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sep 2020, Volume 115 N. 3 Pages 515 - 524

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

Resumo Fundamento A intervenção percutânea em pacientes com disfunção de prótese biológica mitral apresenta-se como uma alternativa ao tratamento cirúrgico convencional. Objetivo Relatar a primeira experiência brasileira de implante transcateter de bioprótese valve-in-valve mitral via transeptal (TMVIV-via transeptal). Métodos Foram incluídos pacientes portadores de disfunção de bioprótese cirúrgica submetidos ao TMVIV-transeptal em 12 hospitais brasileiros. Foram considerados estatisticamente significativos valores de p<0,05. Resultados Entre junho/2016 e fevereiro/2019, 17 pacientes foram submetidos ao TMVIV-via transeptal. A mediana de idade foi 77 anos (IIQ,70-82), a mediana do escore STS-PROM foi 8,7% (IIQ,7,2-17,8). Todos os pacientes tinham sintomas limitantes de insuficiência cardíaca (CF≥III), tendo 5 (29,4%) sido submetidos a mais de uma toracotomia prévia. Obteve-se sucesso do TMVIV-via transeptal em todos os pacientes. A avaliação ecocardiográfica demonstrou redução significativa do gradiente médio (pré-intervenção, 12±3,8 mmHg; pós-intervenção, 5,3±2,6 mmHg; p<0,001), assim como aumento da área valvar mitral (pré-intervenção, 1,06±0,59 cm2; pós-intervenção, 2,18±0,36 cm2; p<0,001) sustentados em 30 dias. Houve redução significativa e imediata da pressão sistólica de artéria pulmonar, com redução adicional em 30 dias (pré-intervenção, 68,9±16,4 mmHg; pós-intervenção, 57,7±16,5 mmHg; 30 dias, 50,9±18,7 mmHg; p<0,001). Durante o seguimento, com mediana de 162 dias (IIQ, 102-411), observou-se marcada melhora clínica (CF≤II) em 87,5%. Um paciente (5,9%) apresentou obstrução de via de saída de ventrículo esquerdo (VSVE), evoluindo para óbito logo após o procedimento, e outro morreu aos 161 dias de seguimento.Conclusão: A primeira experiência brasileira de TMVIV-transeptal demonstra a segurança e a efetividade dessa nova técnica. A obstrução da VSVE é uma complicação potencialmente fatal, reforçando a importância da seleção dos pacientes e do planejamento do procedimento. (Arq Bras Cardiol. 2020; [online].ahead print, PP.0-0)

Abstract Background Percutaneous intervention in patients with bioprosthetic mitral valve dysfunction is an alternative to conventional surgical treatment. Objectives To report the first Brazilian experience with transseptal transcatheter bioprosthetic mitral valve-in-valve implantation (transseptal-TMVIV). Methods Patients with surgical bioprosthetic dysfunction submitted to transseptal-TMVIV in 12 Brazilian hospitals were included. The significance level adopted was p<0.05. Results From June/2016 to February/2019, 17 patients underwent transseptal-TMVIV. Their median age was 77 years (IQR,70-82) and median Society of Thoracic Surgeons predicted risk of mortality (STS-PROM) score was 8.7% (IQR,7.2-17.8). All patients had limiting symptoms of heart failure (FC≥III) and 5 (29.4%) had undergone more than one previous thoracotomy. Transseptal-TMVIV was successful in all patients. Echocardiographic assessment showed a significant reduction in mean mitral valve gradient (pre-intervention, 12±3.8 mmHg; post-intervention, 5.3±2.6 mmHg; p<0.001), in addition to an increase in mitral valve area (pre-intervention, 1.06±0.59 cm2; post-intervention, 2.18±0.36 cm2; p<0.001) sustained for 30 days. There was a significant and immediate reduction in the pulmonary artery systolic pressure, with an additional reduction in 30 days (pre-intervention, 68.9±16.4 mmHg; post-intervention, 57.7±16.5 mmHg; 30 days, 50.9±18.7 mmHg; p<0.001). During follow-up (median, 162 days; IQR, 102-411), significant clinical improvement (FC≤II) was observed in 87.5% of the patients. One patient (5.9%) had left ventricular outflow tract (LVOT) obstruction and died right after the procedure, and another died at 161 days of follow-up. Conclusion The first Brazilian experience with transseptal-TMVIV shows the safety and effectivity of the new technique. The LVOT obstruction is a potentially fatal complication, reinforcing the importance of patients’ selection and of procedural planning. (Arq Bras Cardiol. 2020; [online].ahead print, PP.0-0)

https://doi.org/10.36660/abc.20190252 748 downloads

Brazilian Green Propolis: Chemical Composition of Essential Oil and Their In Vitro Antioxidant, Antibacterial and Antiproliferative Activities
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Quintino, Ricardo Lanzellotti

; Reis, Ana Carolina

; Fernandes, Cassia Cristina

; Martins, Carlos Henrique Gomes

; Colli, Ana Carla

; Crotti, Antônio Eduardo Miller

; Squarisi, Iara Silva

; Ribeiro, Arthur Barcelos

; Tavares, Denise Crispim

; Miranda, Mayker Lazaro Dantas

Brazilian Archives of Biology and Technology

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2020, Volume 63 elocation e20190408

Abstract: En | Text: En | PDF: En

Abstract Propolis is a resinous substance collected and processed by Apis mellifera from parts of plants, buds and exudates. In Minas Gerais (MG) state, Brazil, green propolis is produced from the collection of resinous substance found in shoot apices of Baccharis dracunculifolia. This paper aims to investigate the chemical composition and in vitro antioxidant, anti-Helicobacter pylori, antimycobacterial and antiproliferative activities of essential oil (EO) from Brazilian green propolis (BGP-EO). The oil showed high antibacterial activity against H. pylori (MIC = 6.25 µg/mL), Mycobacterium avium (MIC = 62.5 µg/mL) and M. tuberculosis (MIC = 64 µg/mL). Its antioxidant activity was evaluated in vitro by both DPPH (IC50 = 23.48 µg/mL) and ABTS (IC50 = 32.18 µg/mL) methods. The antiproliferative activity in normal (GM07492A, lung fibroblasts) and tumor cell lines (MCF-7, HeLa and M059J) was analyzed by the XTT assay. BGP-EO showed inhibition of normal cell growth at 68.93 ± 2.56 µg/mL. Antiproliferative activity was observed against human tumor cell lines, whose IC50 values were 56.17, 66.43 and -65.83 µg/mL for MCF-7, HeLa and M059J cells, respectively. Its major constituents, which were determined by GC-FID and GC-MS, were carvacrol (20.7 %), acetophenone (13.5 %), spathulenol (11.0 %), (E)-nerolidol (9.7 %) and β-caryophyllene (6.2 %). These results showed the effectiveness of BGP-EO as a natural product which has promising biological activities.

https://doi.org/10.1590/1678-4324-2020190408 1697 downloads

Essential Oil from Psidium cattleianum Sabine (Myrtaceae) Fresh Leaves: Chemical Characterization and in vitro Antibacterial Activity Against Endodontic Pathogens
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Chrystal, Pietro

; Pereira, Alexandra Cristine

; Fernandes, Cassia Cristina

; Souza, João Matias de

; Martins, Carlos Henrique Gomes

; Potenza, Júlia

; Crotti, Antônio Eduardo Miller

; Miranda, Mayker Lazaro Dantas

Brazilian Archives of Biology and Technology

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2020, Volume 63 elocation e20190196

Abstract: En | Text: En | PDF: En

Abstract Endodontic infections result from oral pathogenic bacteria which reach and infect dental pulp, as well as surrounding tissues, through cracks, unrepaired caries and failed caries restorations. This study aims to determine the chemical composition of essential oil from Psidium cattleianum leaves (PC-EO) and to assess its antibacterial activity against endodontic bacteria. Antibacterial activity of PC-EO was evaluated in terms of its minimum inhibitory concentration (MIC) values by the broth microdilution method on 96-well microplates. Bacteria Porphyromonas gingivalis (MIC = 20 µg/mL), Prevotella nigrescens (MIC = 62.5 µg/mL), Fusobacterium nucleatum (MIC = 12.5 µg/mL), Actinomyces naeslundii (MIC = 50 µg/mL), Bacteroides fragilis (MIC = 12.5 µg/mL), Aggregatibacter actinomycetemcomitans (MIC = 6.25 µg/mL) and Peptostreptococcus anaerobius (MIC = 62.5 µg/mL) were evaluated and compared to chlorhexidine dihydrochloride (CDH), the positive control. PC-EO was obtained by hydrodistillation with the use of a Clevenger-type apparatus whereas its chemical composition was analyzed by gas chromatography-flame ionization detection (GC-FID) and gas chromatography-mass spectrometry (GC-MS). Viridiflorol (17.9%), β-caryophyllene (11.8%), 1,8-cineole (10.8%) and β-selinene (8.6%) were the major constituents found in PC-EO, which exhibited high antibacterial activity against all endodontic pathogens under investigation. Therefore, PC-EO, a promising source of bioactive compounds, may provide therapeutic solutions for the field of endodontics.

https://doi.org/10.1590/1678-4324-2020190196 828 downloads

10.

Risk factors for site complications of intravenous therapy in children and adolescents with cancer
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Santos, Luciano Marques dos

; Silva, Cleonara Sousa Gomes e

; Machado, Elis Souza

; Almeida, André Henrique do Vale

; Silva, Carlos Alberto Lima da

; Silva, Bianka Sousa Martins

; Avelar, Ariane Ferreira Machado

Revista Brasileira de Enfermagem

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2020, Volume 73 N. 4 elocation e20190471

Abstract: Pt En Es | Text: Pt En Es | PDF: Pt | PDF: En | PDF: Es

RESUMO Objetivos: analisar fatores preditores para a incidência de complicações relacionadas a cateteres venosos periféricos em crianças e adolescentes com câncer. Métodos: estudo longitudinal de seguimento, realizado na unidade de clínica oncológica pediátrica de um hospital da Bahia, com 333 acessos inseridos em 77 crianças e 26 adolescentes. A coleta ocorreu entre abril de 2015 a dezembro de 2016 por meio da observação direta da inserção do cateter intravenoso periférico, coleta em prontuário e observação diária do sítio de punção. Resultados: a incidência das complicações foi de 18,6%. A modelagem das variáveis confirmou que os fatores de risco para complicações em crianças/adolescentes com câncer foram: terapia intravenosa periférica prolongada (p=0,002), antecedentes de complicações (p=0,000), medicamentos não irritantes/vesicantes (p=0,003) e soluções vesicantes (p=0,000). Conclusões: o objetivo foi alcançado. Os resultados podem contribuir para o contexto teórico, prático e social.

ABSTRACT Objectives: to analyze predictive factors for the incidence of complications related to peripheral venous catheters in children and adolescents with cancer. Methods: a longitudinal follow-up study, conducted at a pediatric oncology clinic unit of a hospital in Bahia, with 333 peripheral venous catheters inserted in 77 children and 26 adolescents. Data collection took place between April 2015 and December 2016 through direct observation of peripheral intravenous catheter insertion, medical record data collection and daily observation of the puncture site. Results: the incidence of complications was 18.6%. The modeling of the variables confirmed that the risk factors for complications in children/adolescents with cancer were: prolonged peripheral intravenous therapy (p=0.002), history of complications (p=0.000), non-irritating/vesicant medications (p=0.003) and vesicant solutions (p=0.000). Conclusions: the goal has been achieved. Results can contribute to the theoretical, practical and social context.

RESUMEN Objetivos: analizar los factores predictivos de la incidencia de complicaciones relacionadas con los catéteres venosos periféricos en niños y adolescentes con cáncer. Métodos: estudio longitudinal de seguimiento, realizado en una unidad de clínica de oncología pediátrica de un hospital de Bahía, con 333 inserciones de catéteres en 77 niños y 26 adolescentes. La recolección se realizó entre abril de 2015 y diciembre de 2016 a través de la observación directa de la inserción del catéter intravenoso periférico, la recolección de registros médicos y la observación diaria del sitio de punción. Resultados: la incidencia de complicaciones fue del 18,6%. El modelo de las variables confirmó que los factores de riesgo para complicaciones en niños/adolescentes con cáncer fueron: terapia intravenosa periférica prolongada (p=0.002), antecedentes de complicaciones (p=0.000), medicamentos no irritantes/vesicantes (p=0.003) y soluciones vesicantes (p=0.000). Conclusiones: el objetivo se ha logrado. Los resultados pueden contribuir al contexto teórico, práctico y social.

https://doi.org/10.1590/0034-7167-2019-0471 1867 downloads

11.

Risk factors for site complications of intravenous therapy in children and adolescents with cancer
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Santos, Luciano Marques dos

; Silva, Cleonara Sousa Gomes e

; Machado, Elis Souza

; Almeida, André Henrique do Vale

; Silva, Carlos Alberto Lima da

; Silva, Bianka Sousa Martins

; Avelar, Ariane Ferreira Machado

Revista Brasileira de Enfermagem

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2020, Volume 73 N. 4 elocation e20190471

Abstract: En Es Pt | Text: En Es Pt | PDF: En | PDF: Es | PDF: Pt

https://doi.org/10.1590/0034-7167-2019-0471 46 downloads

12.

Bioactivities of essential oils from different parts of Spiranthera odoratissima (Rutaceae)
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Cabral, Fernando Duarte

; Fernandes, Cassia Cristina

; Ribeiro, Arthur Barcelos

; Squarisi, Iara Squarisi

; Tavares, Denise Crispim

; Candido, Ana Carolina Bolela Bovo

; Magalhães, Lizandra Guidi

; Souza, João Matias de

; Martins, Carlos Henrique Gomes

; Miranda, Mayker Lazaro Dantas

Rodriguésia

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2020, Volume 71 elocation e00902019

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

Resumo Este trabalho tem por objetivo investigar, pela primeira vez, as atividades antituberculose, antileishmania e antiproliferativa in vitro dos óleos essenciais (OEs) obtidos de folhas e flores de S. odoratissima. Avaliamos a atividade antimicobacteriana em termos da Concentração Inibitória Mínima (CIM). Os OEs mostraram ser antimicrobianos ativos contra M. tuberculosis, com valores de CIM de 150 µg/mL (folhas) e 162,5 µg/mL (flores). Os óleos apresentam significativa atividade antiparasitária contra a forma promastigota de L. amazonensis, com valores de CI50 (50% de inibição do crescimento) de 14,36 ± 2,02 (folhas) e 19,89 ± 2,66 µg/mL (flores). A atividade antiproliferativa em linhagem celular normal (GM07492A, fibroblastos de pulmão) e tumorais (MCF-7, HeLa e M059J) foi realizada utilizando o ensaio XTT; os resultados foram expressos a partir do cálculo da Concentração Inibitória de 50% do crescimento celular (CI50) e o índice de seletividade foi calculado. OEs de folhas e flores apresentaram um CI50 de 502,97 ± 40,33 µg/mL e 370,60 ± 2,01 µg/mL para a linhagem GM07492A, respectivamente. Observou-se atividade antiproliferativa contra todas as linhagens celulares tumorais humanas, com valores de CI50 significativamente inferiores aos obtidos para a linhagem celular normal, demonstrando valores de CI50 para a linhagem MCF-7 (367,57 ± 4,46 µg/mL para OEs folhas e 357,70 ± 1,85 µg/mL para OEs flores) e M059J (492,53 ± 56,67 µg/mL para OEs folhas e 324,90 ± 6,72 µg/mL para OEs flores). Estes resultados in vitro mostraram que OEs de S. odoratissima podem ser um possível candidato que atue como agente antimicobacteriano, antiparasitário e antitumoral.

Abstract This paper aims to investigate, for the first time, in vitro antitubercular, antileishmanial and antiproliferative activities of essential oils (EOs) from S. odoratissima leaves and flowers - grown in midwestern Brazil - against Mycobacterium tuberculosis, promastigote forms of Leishmania amazonensis and human tumor cell lines. Antimycobacterial activity of EOs was evaluated in terms of the minimal inhibitory concentration (MIC). EOs from leaves and flowers showed to be active antimicrobials against M. tuberculosis, since MIC values were 150 µg/mL and 162.5 µg/mL, respectively. Both EOs exhibited significant activity against promastigote forms of L. amazonensis; IC50 values (50% growth inhibition) were 14.36 ± 2.02 (EOs from leaves) and 19.89 ± 2.66 µg/mL (EOs from flowers). Antiproliferative activity in normal (GM07492A, lung fibroblasts) and tumor (MCF-7, HeLa and M059J) cell lines was performed by the XTT assay; results were expressed as IC50 (50% cell growth inhibition) and the selective index was calculated. IC50 values of EOs from leaves and flowers obtained in normal cell lines for were 502.97 ± 40.33 µg/mL and 370.60 ± 2.01 µg/mL, respectively. Antiproliferative activity was observed against human tumor cell lines, whose IC50 values were significantly lower than those obtained in normal cell lines of MCF-7 cells (367.57 ± 4.46 µg/mL-EOs from leaves and 357.70 ± 1.85 µg/mL-EOs from flowers) and M059J cells (492.53 ± 56.67 µg/mL-EOs from leaves and 324.90 ± 6.72 µg/mL-EOs from flowers), thus, indicating selectivity. These in vitro results showed that EOs from S. odoratissima may be an antimycobacterial, antiparasitic and antitumor agent.

https://doi.org/10.1590/2175-7860202071050 376 downloads

13.

Chemical composition and in vitro antibacterial activity of essential oils from Murraya paniculata (L.) Jack (Rutaceae) ripe and unripe fruits against bacterial genera Mycobacterium and Streptococcus
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Silva, Flávia Fernanda Alves da

; Fernandes, Cassia Cristina

; Santiago, Mariana Brentini

; Martins, Carlos Henrique Gomes

; Vieira, Tatiana Manzini

; Crotti, Antônio Eduardo Miller

; Miranda, Mayker Lazaro Dantas

Brazilian Journal of Pharmaceutical Sciences

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2020, Volume 56 elocation e18371

Abstract: En | Text: En | PDF: En

This study aims to investigate chemical composition of essential oils from Murraya paniculata (L.) Jack (Rutaceae) ripe and unripe fruits and determine their in vitro antibacterial activity. Essential oils were extracted by hydrodistillation from Murraya paniculata (L.) Jack ripe and unripe fruits collected in the Cerrado, in Rio Verde, southwestern Goiás, Brazil. They were analyzed by gas chromatography with flame ionization detector (GC-FID) and by gas chromatography-mass spectrometry (GC-MS). Sesquiterpenes, which represent the most abundant class of compounds in oils, predominated in both ripe and unripe fruits. Major constituents of essential oils extracted from ripe fruits (RF-EO) were (-caryophyllene (21.3%), (-ylangene (13.3%), germacrene-D (10.9%) and (-zingiberene (9.7%) whereas the ones of unripe fruits (UF-EO) were sesquithujene (25.0%), (-zingiberene (18.2%), germacrene-D (13.1%) and (-copaene (12.7%). In vitro antibacterial activity of essential oils was evaluated in terms of its minimum inhibitory concentration (MIC) values by the broth microdilution method in 96-well microplates. Both essential oils under investigation showed moderate anti-streptococcal activity against the following bacteria: Streptococcus mutans, S. mitis, S. sanguinis, S. sobrinus and S. salivarius. MIC values ranged between 100 and 400 µg/mL. Regarding the antimycobacterial activity, essential oils from M. paniculata (L.) Jack unripe and ripe fruits were active against Mycobacterium kansasii (MIC = 250 µg/mL), moderately active against M. tuberculosis (MIC = 500 µg/mL) and inactive against M. avium (MIC = 2000 µg/mL). This study was pioneer in revealing similar chemical profiles of both essential oils extracted from Murraya paniculata (L.) Jack unripe and ripe fruits, besides describing their in vitro anti-streptococcal and antimycobacterial activities.

https://doi.org/10.1590/s2175-97902019000418371 621 downloads

14.

Biological properties of volatile oil from Brazilian brown propolis
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Lima, Vitor Hugo Melo de

; Almeida, Karoliny de Cassia Rodrigues

; Alves, Cassia Cristina Fernandes

; Rodrigues, Matheus Leandro

; Crotti, Antônio Eduardo Miller

; Souza, João Matias de

; Ribeiro, Arthur Barcelos

; Squarisi, Iara Silva

; Tavares, Denise Crispim

; Martins, Carlos Henrique Gomes

; Miranda, Mayker Lazaro Dantas

Revista Brasileira de Farmacognosia

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dec 2019, Volume 29 N. 6 Pages 807 - 810

Abstract: En | Text: En | PDF: En

ABSTRACT Propolis, is a bee product collected from exudates and flower buds of several plants, has strong aroma and several biological applications. This study aimed at evaluating the chemical composition and in vitro antioxidant, antibacterial and cytotoxic properties of volatile oil from Brazilian brown propolis. It was extracted by hydrodistillation and analyzed by gas chromatography-flame ionization detection and gas chromatography-mass spectrometry. Volatile oil from brown propolis exhibited strong antibacterial activity against H. pylori (MIC 3.25 µg/ml), Mycobacterium tuberculosis (MIC 50 µg/ml) and M. avium (MIC 62.5 µg/ml). It was evaluated in vitro for antioxidant activity by DPPH (IC50 25.0 µg/ml) and ABTS (IC50 30.1 µg/ml) methods. Its cytotoxic property was evaluated in normal (human fibroblasts, GM07429A) and tumor (MCF-7-human breast adenocarcinoma; HeLa-human cervical adenocarcinoma and M059J-human glioblastoma) cell lines. IC50 values were 81.32 µg/ml for GM07429A and 85.00, 129.40 and 84.12 µg/ml for MCF-7, HeLa and M059J cells, respectively. Three major dereplicated components of volatile oil from brown propolis were acetophenone (15.2%), nerolidol (13.3%), and spathulenol (11.6%). Our results contribute to a better understanding of the chemical and biological properties of Brazilian brown propolis and provide evidence for its potential medicinal use.

https://doi.org/10.1016/j.bjp.2019.07.004 686 downloads

15.

Atualização da Diretriz de Ressuscitação Cardiopulmonar e Cuidados Cardiovasculares de Emergência da Sociedade Brasileira de Cardiologia - 2019
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Bernoche, Claudia

; Timerman, Sergio

; Polastri, Thatiane Facholi

; Giannetti, Natali Schiavo

; Siqueira, Adailson Wagner da Silva

; Piscopo, Agnaldo

; Soeiro, Alexandre de Matos

; Reis, Amélia Gorete Afonso da Costa

; Tanaka, Ana Cristina Sayuri

; Thomaz, Ana Maria

; Quilici, Ana Paula

; Catarino, Andrei Hilário

; Ribeiro, Anna Christina de Lima

; Barreto, Antonio Carlos Pereira

; Azevedo Filho, Antonio Fernando Barros de

; Pazin Filho, Antonio

; Timerman, Ari

; Scarpa, Bruna Romanelli

; Timerman, Bruno

; Tavares, Caio de Assis Moura

; Martins, Cantidio Soares Lemos

; Serrano Junior, Carlos Vicente

; Malaque, Ceila Maria Sant’Ana

; Pisani, Cristiano Faria

; Batista, Daniel Valente

; Leandro, Daniela Luana Fernandes

; Szpilman, David

; Gonçalves, Diego Manoel

; Paiva, Edison Ferreira de

; Osawa, Eduardo Atsushi

; Lima, Eduardo Gomes

; Adam, Eduardo Leal

; Peixoto, Elaine

; Evaristo, Eli Faria

; Azeka, Estela

; Silva, Fabio Bruno da

; Wen, Fan Hui

; Ferreira, Fatima Gil

; Lima, Felipe Gallego

; Fernandes, Felipe Lourenço

; Ganem, Fernando

; Galas, Filomena Regina Barbosa Gomes

; Tarasoutchi, Flavio

; Souza, Germano Emilio Conceição

; Feitosa Filho, Gilson Soares

; Foronda, Gustavo

; Guimarães, Helio Penna

; Abud, Isabela Cristina Kirnew

; Leite, Ivanhoé Stuart Lima

; Linhares Filho, Jaime Paula Pessoa

; Moraes Junior, João Batista de Moura Xavier

; Falcão, João Luiz Alencar de Araripe

; Ramires, Jose Antônio Franchini

; Cavalini, José Fernando

; Saraiva, José Francisco Kerr

; Abrão, Karen Cristine

; Pinto, Lecio Figueira

; Bianchi, Leonardo Luís Torres

; Lopes, Leonardo Nícolau Geisler Daud

; Piegas, Leopoldo Soares

; Kopel, Liliane

; Godoy, Lucas Colombo

; Tobase, Lucia

; Hajjar, Ludhmila Abrahão

; Dallan, Luís Augusto Palma

; Caneo, Luiz Fernando

; Cardoso, Luiz Francisco

; Canesin, Manoel Fernandes

; Park, Marcelo

; Rabelo, Marcia Maria Noya

; Malachias, Marcus Vinícius Bolívar

; Gonçalves, Maria Aparecida Batistão

; Almeida, Maria Fernanda Branco de

; Souza, Maria Francilene Silva

; Favarato, Maria Helena Sampaio

; Carrion, Maria Julia Machline

; Gonzalez, Maria Margarita

; Bortolotto, Maria Rita de Figueiredo Lemos

; Macatrão-Costa, Milena Frota

; Shimoda, Mônica Satsuki

; Oliveira-Junior, Mucio Tavares de

; Ikari, Nana Miura

; Dutra, Oscar Pereira

; Berwanger, Otávio

; Pinheiro, Patricia Ana Paiva Corrêa

; Reis, Patrícia Feitosa Frota dos

; Cellia, Pedro Henrique Moraes

; Santos Filho, Raul Dias dos

; Gianotto-Oliveira, Renan

; Kalil Filho, Roberto

; Guinsburg, Ruth

; Managini, Sandrigo

; Lage, Silvia Helena Gelas

; Yeu, So Pei

; Franchi, Sonia Meiken

; Shimoda-Sakano, Tania

; Accorsi, Tarso Duenhas

; Leal, Tatiana de Carvalho Andreucci

; Guimarães, Vanessa

; Sallai, Vanessa Santos

; Ávila, Walkiria Samuel

; Sako, Yara Kimiko

Arquivos Brasileiros de Cardiologia

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sep 2019, Volume 113 N. 3 Pages 449 - 663

Abstract: Pt | Text: Pt | PDF: Pt

https://doi.org/10.5935/abc.20190203 54793 downloads

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