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Intervenções farmacológicas com hipolipemiantes devem ser monitoradas periodicamente para avaliar eficácia e parâmetros de segurança. As estatinas são drogas normalmente bem toleradas e os seus principais efeitos colaterais incluem aumento das enzimas hepáticas (AST e ALT) e muscular (CK). O tratamento deve ser interrompido ou diminuído no caso de um aumento significativo das AST ou ALT (> 3x LSN), ou CK (> 10x LSN). Outros agentes hipolipemiantes também podem produzir hepatotoxicidade ou miosite, fibratos e ácido nicotínico, especialmente em associação com as estatinas ou na presença de anormalidades metabólicas (tireoidite, hepatopatia e nefropatia). Ácido nicotínico pode também aumentar os níveis plasmáticos de glicose e ácido úrico. Testes laboratoriais podem ser utilizados no seguimento da terapia hipolipemiante e devem ser repetidos a cada três meses durante o primeiro ano e então em intervalos de seis meses. Intervalos menores são recomendados para casos especiais.

Pharmacologic lipid-lowering interventions should be monitored periodically to assess efficacy and safety parameters. Statins are usually well-tolerated drugs and major side effects include increased serum liver and muscle enzymes (AST, ALT, CK). Treatment should be stopped or diminished in case of significant increase of AST or ALT (> 3x ULN), or CK (> 10x ULN). Other lipid lowering agents may also produce hepatotoxicity or myositis, especially in association with statins (fibrates and nicotinic acid) or in presence of metabolic abnormalities (thyroid, liver or renal disorders). Nicotinic acid can also increase glucose and uric acid plasma levels. Laboratory tests might be performed prior to hypolipidemic drug treatment and should be repeated every three months during the first year and then at 6-mo intervals. Shorter intervals should be recommended in individual cases.

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Marcadores inflamatórios intracoronarianos após intervenções coronarianas percutâneas
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Salgado Filho, Wilson

; Martinez Filho, Eulógio E

; Horta, Pedro

; Lemos, Pedro A

; Migueletto, Bruno C

; Serrano Jr, Carlos Vicente

; Ramires, José Antonio Franchini

; Martinez, Tania Leme da Rocha

Arquivos Brasileiros de Cardiologia

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sep 2005, Volume 85 N. 3 Pages 180 - 185

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

OBJETIVO: Analisar a liberação intracoronariana de marcadores inflamatórios (MI) após intervenções coronarianas percutâneas (ICP) e comparar suas concentrações com relação ao tipo de ICP utilizada (rotablator vs angioplastia por balão). MÉTODOS: Foram randomizados 22 pacientes com média de idade de 60±11,9 anos, 12 do sexo masculino, portadores de síndromes coronarianas estáveis, submetidos ao tratamento eletivo de uma única lesão coronariana utilizando rotablator (N=11) ou pré-dilatação por balão (N=11) para implante de stents. As amostras foram colhidas na raiz da aorta e no seio coronariano, imediatamente antes e 15 minutos após as intervenções. Todas as dosagens foram feitas antes do implante do stent, sendo analisadas as citocinas TNF-a, IL-6 e IL-1 e as moléculas de adesão solúveis ICAM-1, E-selectina e P-selectina, utilizando o método ELISA. RESULTADOS: As concentrações de TNF-a e IL-6 aumentaram após as ICP, passando respectivamente de 9,5±1,5 pg/ml para 9,9±1,8 pg/ml (p=0,017) e de 6,0±2,4 pg/ml para 6,9±3,0 pg/ml (p<0,001). Não houve mudança significativa na expressão de IL-1, ICAM-1 e P-selectina, observando-se diminuição nas concentrações de E-selectina após os procedimentos (52,0±17,5 ng/ml para 49,3±18,7 ng/ml; p=0,009). Não houve diferença significativa entre as concentrações dos MI após as ICP, com relação ao tipo de procedimento utilizado. CONCLUSÃO: No período precoce, pós-intervenções coronarianas percutâneas, observou-se aumento das concentrações intracoronárias de TNF-a e IL-6 e ausência de diferença significativa entre as concentrações dos marcadores inflamatórios liberados na circulação coronariana por rotablator e pela angioplastia com balão.

OBJECTIVE: To analyze intracoronary release of inflammatory markers (IM) after percutaneous coronary interventions (PCI) and compare their concentrations concerning the type of PCI used (rotablator vs. balloon angioplasty). METHODS: Twenty-two patients with average age of 60±11.9 years old, 12 of male sex, with stable coronary disease, submitted to elective treatment of a single coronary lesion, using rotablator (N=11) or balloon pre-dilatation (N=11) for stent implant were randomized. Samples were collected at aorta root and coronary sinus, immediately before and 15 minutes after intervention. All dosages were made before stent implant, and the cytokines TNF-a, IL-6 and IL-1 and the soluble adhesion molecules ICAM-1, E-selectin and P-selectin were analyzed by using ELISA method. RESULTS: TNF-a and IL-6 concentrations increased after PCI, respectively from 9.5±1.5 pg/ml to 9.9±1.8 pg/ml (p=0.017) and from 6.0±2.4 pg/ml to 6.9±3.0 pg/ml (p<0.001). There was no significant changes in IL-1, ICAM-1 and P-selectin, and a decrease in E-selectin concentrations after the procedures (52.0±17.5 ng/ml to 49.3±18.7 ng/ml; p=0.009) was observed. There were no significant differences between IM concentrations after PCI, concerning the type of procedure used. CONCLUSION: At the early period, post-percutaneous coronary interventions, an increase of intracoronary concentrations of TNF-a and IL-6, and absence of significant difference between concentrations of inflammatory markers released in coronary flow through rotablator and balloon angioplasty were observed.

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Efeitos da lipoproteína LDL-oxidada sobre a proliferação e a motilidade espontânea in vitro de células endoteliais de artérias coronárias humanas
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Xavier, Hermes Toros

; Abdalla, Dulcinéia Saes Parra

; Martinez, Tania Leme da Rocha

; Ramires, José Antonio Franchini

; Gagliardi, Antonio Ricardo de Toledo

Arquivos Brasileiros de Cardiologia

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dec 2004, Volume 83 N. 6 Pages 488 - 492

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

OBJETIVO: Investigar os efeitos de baixas concentrações de LDL oxidada (LDL-ox) sobre a proliferação e a motilidade espontânea de células endoteliais de artérias coronárias humanas (CEACH) em cultura. MÉTODOS: Culturas de CEACH foram tratadas com baixas concentrações de LDL nativa (LDLn), isolada de plasma humano, e com LDL minimamente oxidada por diferentes métodos químicos, e os efeitos, comparados entre si. RESULTADOS: LDLn não apresentou efeitos deletérios sobre o endotélio em proliferação e na motilidade in vitro de CEACH, porém na mais alta concentração e por tempo mais prolongado inibiu a proliferação celular. As LDL-ox, quimicamente, pela espermina nonoato (ENO) e 3-morfolinosidnonimina (SIN-1) expressaram efeitos inibitórios significativos sobre a proliferação e a motilidade in vitro de CEACH proporcionais às maiores concentrações e graus de oxidação das LDL. CONCLUSÃO: LDL-ox apresenta efeito citotóxico, inibindo a proliferação e a motilidade espontânea de células endoteliais de artérias coronárias humanas em cultura, proporcionalmente à concentração e ao grau de oxidação da LDL, enquanto, LDL nativa é relativamente inócua.

OBJECTIVE: To investigate the effects of low concentrations of oxidized LDL (oxLDL) on the proliferation and spontaneous motility of human coronary artery endothelial cells (HCAEC) in culture. METHODS: Cultures of HCAEC were treated with low concentrations of native LDL (nLDL) isolated from human plasma and with LDL minimally oxidized through different chemical methods; the effects were compared. RESULTS: Native LDL had no deleterious effects on in vitro proliferation and motility of HCAEC; however, at its highest concentration and for a longer exposure, nLDL inhibited cell proliferation. The LDL chemically oxidized by spermine nonoate (SNO) and 3-morpholinylsydnonimine (SYN-1) had significant inhibiting effects on in vitro proliferation and motility of HCAEC, which were proportional to the greatest concentrations and degrees of oxidation of LDL. CONCLUSION: OxLDL has a cytotoxic effect, inhibiting the proliferation and spontaneous motility of HCAEC in culture. This effect is proportional to the concentration and degree of oxidation of LDL; native LDL is relatively innocuous.

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Comparação do perfil lipídico, pressão arterial e aspectos nutricionais em adolescentes, filhos de hipertensos e de normotensos
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Elias, Maria Cristina

; Bolívar, Max Samuel Mattos

; Fonseca, Francisco Antonio Helfenstein

; Martinez, Tania Leme da Rocha

; Angelini, Japy

; Ferreira, Celso

; Kasinski, Nelson

; de Paola, Angelo Amato Vincenzo

; Carvalho, Antonio Carlos Camargo

Arquivos Brasileiros de Cardiologia

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feb 2004, Volume 82 N. 2 Pages 139 - 142

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

OBJETIVO: Comparar a pressão arterial, o perfil lipídico, o consumo alimentar e dados antropométricos em adolescentes com ou sem antecedente familiar de hipertensão arterial. MÉTODOS: Foram avaliados 43 adolescentes de ambos os sexos, na faixa etária entre 11 a 18 anos, sendo 20 filhos de hipertensos e 23 de normotensos e examinados: a pressão arterial, o consumo alimentar, dados antropométricos, o perfil lipídico e o resultado da orientação dietética (American Heart Association). RESULTADOS: Os filhos dos hipertensos mostraram maiores valores basais de pressão arterial sistólica (109 ± 3 vs. 99 ± 2 mm Hg, p=0,01) e diastólica (68 ± 2 vs. 62 ± 2 mm Hg, p=0,04), da relação CT/HDL-c (4,1 ± 0,3 vs. 3,2 ± 0,2, p<0.01) e de LDL-c/HDL-c (2,7 ± 0,2 vs. 1,9 ± 0,1, p<0,01) e menores valores de HDL-c (43 ± 2 vs. 53 ± 2 mg/dL, p<0,005). O consumo alimentar e medidas antropométricas analisadas não diferiram entre os grupos. A intervenção dietética, embora tenha resultado em reduções no índice de massa corpórea (21,0± 1,2 vs. 20,1 ± 1,1 kg/m², p<0,01), não modificou a dislipidemia presente nos filhos de hipertensos. CONCLUSÃO: Encontraram-se maiores níveis de pressão arterial e perfil lipídico mais desfavorável entre filhos de hipertensos, onde os níveis baixos de HDL-c foram o achado mais relevante e independente de variáveis antropométricas ou nutricionais.

OBJECTIVE: To compare blood pressure, lipid profile, food intake, and anthropometric data of adolescents with or without a familial history of hypertension. METHODS: Forty-three adolescents from both sexes were assessed, with ages ranging from 11 to 18 years old. Twenty had hypertensive parents, and 23 had normotensive parents. The following variables were examined: blood pressure, food intake, anthropometric data, lipid profile, and the results of following dietary guidelines (American Heart Association). RESULTS: The offspring of hypertensive parents had greater baseline systolic blood pressure (109 ± 3 vs. 99 ± 2 mm Hg, P=0.01), diastolic blood pressure (68 ± 2 vs. 62 ± 2 mm Hg, p=0.04), greater TC/HDL-C ratio (4.1 ± 0.3 vs. 3.2 ± 0.2, P<0.01), and greater LDL/HDL-C (2.7 ± 0.2 vs. 1.9 ± 0.1, P<0.01), and smaller values of HDL-C (43 ± 2 vs.53 ± 2 mg/dL, P<0.005). Dietary intake and anthropometric measures assessed did not differ between the groups. Even though dietary intervention resulted in reductions in body mass index (21.0± 1.2 vs. 20.1 ± 1.1 kg/m², P<0.01), it did not change dyslipidemia present in the offspring of hypertensive individuals. CONCLUSION: Increased blood pressure levels and less favorable lipid profiles are found among offspring of hypertensive parents, where low levels of HDL-C were the most relevant finding regardless of anthropometric or nutritional variables.

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Risk factors for atherosclerosis in students of a private university in São Paulo - Brazil
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Rabelo, Lísia Marcílio

; Viana, Roberto Márcio

; Schimith, Maria Arlete

; Patin, Rose Vega

; Valverde, Mara Andréa

; Denadai, Regina Célia

; Cleary, Ana Paula

; Lemes, Sandra

; Auriemo, Caio

; Fisberg, Mauro

; Martinez, Tania Leme da Rocha

Arquivos Brasileiros de Cardiologia

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may 1999, Volume 72 N. 5 Pages 575 - 580

Abstract: En | Text: En | PDF: En

OBJECTIVE: To characterize the risk profile for atherosclerosis (AS) in adolescents and young adults of a private university in São Paulo. METHODS: Clinical, nutritional, and laboratory parameters were evaluated in 209 students of both genders aged 17 to 25 years. In addition to determination of the lipid profile, the association of its abnormal values with other risk factors for AS was also investigated. RESULTS: Increased levels of total cholesterol, LDL-C and triglycerides (TG) were observed in 9.1%, 7.6% and 16.3% of the students, respectively, and decreased levels of HDL-C in 8.6% of them. Prevalence of the remaining risk factors analyzed was elevated: sedentary life style (78.9%); high intake of total fat (77.5%); high cholesterol intake (35.9%); smoking, hypertension (15.8%) and obesity (7.2%). There was an association between elevated LDL-C and TG levels and sedentary life style and body mass index. CONCLUSION: The high prevalence of risk factors for AS in young individuals draws attention to the need for adopting preventive plans.

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10.

Senhor Editor
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Caramelli, Bruno

; Santos Fº, Raul Dias dos

; Sposito, Andrei de Carvalho

; Martinez, Tania Leme da Rocha

Arquivos Brasileiros de Cardiologia

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jul 1998, Volume 71 N. 1 Pages 89 - 91

Abstract: Pt | Text: Pt | PDF: Pt

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Terapia combinada de colestiramina e inibidores da HMG-CoA redutase na prevenção secundária da doença coronária
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Novazzi, José Paulo

; Pinto, Leonor do Espírito Santo de Almeida

; Auriemo, Caio

; Martinez, Tania Leme da Rocha

Arquivos Brasileiros de Cardiologia

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mar 1998, Volume 70 N. 3 Pages 155 - 158

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

OBJETIVO: Avaliar as alterações obtidas no perfil lipídico de coronariopatas dislipidêmicos, após a adição de colestiramina, em pacientes tratados com inibidores da HMG-CoA redutase, e que não atingiram os valores ideais de LDL-colesterol. MÉTODOS: Vinte coronariopatas (12 submetidos à revascularização do miocárdio, 3 à angioplastia coronária e 5 mantidos sob tratamento clínico), com média de idade de 60,78 anos, que já realizavam dieta hipolipemiante e eram medicados com lovastatina 20mg/dia ou sinvastatina 10mg/dia, receberam também colestiramina na dose de 8 a 16g/dia durante 8 semanas, com o objetivo de reduzir LDL-colesterol para valores inferiores a 100mg/dl. RESULTADOS: Houve significante redução do colesterol total (valor médio inicial 239,52mg/dL e ao final 199,00mg/dL), obtendo-se um decréscimo percentual médio de 16,92%. O valor médio de LDL-colesterol também se reduziu, significantemente, de 172,73mg/dL para 118,26mg/dL, com decréscimo percentual médio de 31,53%. A trigliceridemia média aumentou, ainda dentro da faixa de referência normal, de 145,05mg/dL para 162,00mg/dL, (diferença percentual média de 11,69%). Houve significante aumento da fração HDL-colesterol de um valor médio inicial de 38,00mg/dL para um valor médio final de 48,21mg/dL (diferença média percentual 26,87%). Não houve efeitos adversos que impedissem a continuidade do tratamento. CONCLUSÃO: A associação de colestiramina a doses baixas de vastatinas em pacientes com hipercolesterolemia primária e de alto risco coronário é uma boa opção terapêutica, podendo atingir benefícios sobre o perfil lipídico semelhantes àqueles obtidos quando esses fármacos são utilizados, isoladamente, ou em associação, e em doses mais elevadas.

PURPOSE: To evaluate lipid profile changes associated with cholestyramine addition in hypercholesterolemic patients with established coronary heart disease under treatment with HMG-CoA reductase inihibtors that had not achieved the ideal value of LDL-cholesterol. METHODS: Twenty patients with coronary heart disease, (12 submitted to coronary artery bypass grafts, 3 to coronary angioplasty and 5 maintened under clinical management) with mean age of 60.78 years old, who were under hypolipemic diet and were medicated with lovastatin 20mg/d or simvastatin 10mg/d, received cholestyramine, doses ranging from 8 to 16g/day during 8 weeks, aiming to reduce LDL-cholesterol to values less than 100mg/dL. RESULTS: There was a significant reduction of total cholesterol, from initial mean value of 239.52mg/dL to final mean value of 199.00mg/dL, with a mean reduction of 16.92%. The mean value of LDL-cholesterol was also reduced significantly from 172.73mg/dL to 118.26mg/dL, with a mean reduction of 31.53%. Mean triglyceridemia increased, still within the normal reference values, from 145.05mg/dL to 162.00mg/dL, and the mean difference was 11.69%. There was a significant increase of HDL-cholesterol fraction from an initial mean value of 38.00mg/dL to a final mean value of 48.21mg/dL, mean difference of 26.87%. Side effects were not frequent, and did not interfere in the duration of the study. CONCLUSION: The association of cholestyramine to HMG-CoA reductase inihibtors, both in low doses, in patients with primary hypercholesterolemia and high coronary risk is a good therapeutic option that can reach benefits on the lipid profile similar to those obtained when these drugs are used in association or separately in higher doses.

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