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Arq. bras. cardiol ; 58(2): 141-147, fev. 1992. tab
Article in Portuguese | LILACS | ID: lil-120717

ABSTRACT

Objetivo - Avaliar os efeitos clínicos da nitroglicerina transdérmica em portadores de angina estável. Métodos - Quinhentos e trinta e cinco especialistas avaliaram mil quinhentos e trinta e nove pacientes com angina estável, idade média de 61,0 ñ 10,3 anos, sendo 891 (57,97%) do sexo masculino. O estudo multicêntrico prospectivo consistiu na aplicaçäo inicial de 5 mg e, após duas semanas, caso persistisse quadro de angina ou infradesnivelamanto de ST, a dose era aumentada para 10 mg de nitroglicerina transdérmica, a cada 12-14 horas, por 12 semanas. Foram realizadas avaliaçöes clínicas no período inicial e nas semanas 2, 4, 8 e 12, e eletrocardiograma e eletrocardiograma de esforço (ECGE), no início e na 12ª semana. Resultados - Observou-se reduçäo estatisticamente significante (p < 0,005) no número de crises anginosas, no consumo de nitratos sublingual, na pressäo arterial e na porcentagem de pacientes com ECGE isquêmico. A frequência cardíaca e a dose de nitroglicerina transdérmica utilizada näo tiveram alteraçöes significativas. A tolerabilidade desta via de administraçäo foi considerada muito boa e boa em 92,2% dos pacientes. Conclusäo - A utilizaçäo da nitroglicerina transdérmica mostrou-se eficaz no tratamento da angina estável, com excelente tolerabilidade pelo paciente


Purpose - To evaluate the nitroglycerin patches efficacy and tolerability in patients with stable angina pectoris. Methods - One thousand and five hundred and thirty nine patients with stable angina pectoris, mean age 61.0 + 10.3, 891 men and 648 women were prospectively evaluated by five hundred and thirty five specialists after 5 mg or, posteriorly, if clinical necessary, 10 mg of nitroglycerin patches during 12 weeks. Clinical evaluation, electrocardiogram (ECG) and treadmill exercise were obtained on study entry and at weeks 2, 4, 8 and 12 for clinical evaluation, and at week 12 for ECG and treatmill exercise. Results - A significative reduction was observed in the number of angina crisis, sublingual nitrates consumption, arterial blood pressure and on the percentage of positive treadmill exercise tests. The heart rate and nitroglycerin patches dose did not show statistical differences. The compliance of transdermal administration was excellent. Conclusion - The nitroglycerin patches administration was effective for stable angina pectoris with excellent patient's compliance


Subject(s)
Humans , Male , Female , Adult , Middle Aged , Nitroglycerin/administration & dosage , Angina Pectoris/drug therapy , Aged, 80 and over , Prospective Studies , Multicenter Studies as Topic , Nitroglycerin/therapeutic use , Administration, Cutaneous
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