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1.
Arq Bras Cardiol ; 82(2): 151-4, 147-50, 2004 Feb.
Article in English, Portuguese | MEDLINE | ID: mdl-15042251

ABSTRACT

OBJECTIVE: To describe the clinical and hemodynamic variables obtained with exercise testing in elderly patients SW >75 years. METHODS: This study assessed 100 patients aged 75-94 years (80+/-4 years) undergoing symptom-limited exercise testing, 65% of whom were asymptomatic, 25% had nonanginal chest pain, and 10% had typical precordialgia. Of the 100 patients, 32% were males, 50% were hypertensive, 36% were dyslipidemic, 14% were diabetic, and 9% had had previous coronary artery disease. A ramp-adaptation of the Bruce protocol (ramped Bruce protocol) was used, preceded by a 1-minute warm-up with no treadmill incline and a velocity of 1.0 mph. RESULTS: No complications were observed, and 92% of the tests were efficient. On average, the patients reached 95% of the maximum heart rate predicted. The mean duration of the test and the mean metabolic equivalent reached were, respectively, 6.8 +/-2 minutes and 6.6 +/-2.3 METs. Eleven patients had a hyperreactive inotropic response, and 37% of the sample had noncomplex ventricular and supraventricular arrhythmias. Eighteen percent of the tests were positive for myocardial ischemia. The patients with typical precordialgia had more ischemic responses than did those with nonanginal chest pain or those who were asymptomatic: 70% vs 16% (P<0.001) and 70% vs 10% (P<0.01), respectively. CONCLUSION: The symptom-limited exercise test is useful, safe, and efficient for analyzing ischemic and hemodynamic responses, even in very elderly individuals.


Subject(s)
Exercise Test/methods , Age Factors , Aged , Aged, 80 and over , Coronary Artery Disease/diagnosis , Coronary Artery Disease/physiopathology , Equipment Safety , Female , Hemodynamics , Humans , Male , Myocardial Ischemia/diagnosis , Myocardial Ischemia/physiopathology , Risk Factors
2.
Arq. bras. cardiol ; 82(2): 147-154, fev. 2004. tab, graf
Article in English, Portuguese | LILACS | ID: lil-356078

ABSTRACT

OBJETIVO: Descrever as variáveis clínicas e hemodinâmicas obtidas pelo teste ergométrico em idosos >75 anos. MÉTODOS: Estudados 100 indivíduos de 75-94 anos (80±4 anos), submetidos a teste ergométrico sintoma limitante, sendo 65 por cento assintomáticos, 25 por cento com dor torácica não anginosa e 10 por cento com precordialgia típica, 32 por cento eram homens, 50 por cento hipertensos, 36 por cento dislipidêmicos, 14 por cento diabéticos e 9 por cento com doença arterial coronariana prévia. O protocolo utilizado foi uma adaptação para rampa, do protocolo de Bruce, acrescido de 1min de aquecimento com velocidade de 1,0mph sem inclinação. RESULTADOS: Não houve complicações e 92 por cento dos testes foram eficazes. Os pacientes atingiram em média 95 por cento da freqüência cardíaca máxima prevista. A duração do exame e os equivalentes metabólicos alcançados foram, em média, respectivamente: 6,8 ±2min e 6,6 ±2,3 METs. Apresentaram resposta inotrópica hiperreativa 11 dos pacientes e observadas arritmias ventriculares e supraventriculares não complexas em 37 por cento da amostra. Foram positivos para isquemia miocárdica 18 por cento dos testes. Os pacientes com precordialgia típica apresentaram mais respostas isquêmicas do que os com dor torácica não anginosa e assintomáticos: 70 por cento vs 16 por cento (p<0,001) e 70 por cento vs 10 por cento (p<0,01), respectivamente. CONCLUSAO: O teste ergométrico sintoma limitante é útil, seguro e eficaz para analisar as respostas isquêmicas e hemodinâmicas, mesmo no indivíduo muito idoso.


Subject(s)
Humans , Male , Female , Aged , Exercise Test/methods , Age Factors , Coronary Artery Disease/diagnosis , Coronary Artery Disease/physiopathology , Equipment Safety , Hemodynamics , Myocardial Ischemia/diagnosis , Myocardial Ischemia/physiopathology , Risk Factors
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