1996
DOI: 10.1590/s0102-76381996000400005
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Emprego da nimodipina (oxigen) como protetor cerebral na cirurgia de revascularização do miocárdio com circulação extracorpórea em pacientes idosos

Abstract: RBCCV 44205-316Manrique R, Pavanello R, Magalhães H M -Emprego da nimodipina (oxigen) como protetorcerebral na cirurgia de revascularização do miocárdio com circulação extracorpórea em pacientes idosos. Rev Bras Cir Cardiovasc 1996; 11 (4) : 248-58.RESUMO : Aproximadamente 5% dos pacientes submetidos a cirurgia cardíaca com auxílio da circulação extracorpórea apresentaram problemas neurológicos. Avaliando funções neuropsíquicas, as alterações atingem de 50% a 70% dos casos. Os idosos são mais vulneráveis; nest… Show more

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“…Still, to calculate the estimated sample size needed for a hypothesis test, Neyman-Pearson is used, and to assess the validity of the hypothesis, P designed by Fish. Many studies does not even bother to calculate the sample size required for adequate statistical power [8,9], and few researchers remember to calculate the power of the sample after the final survey, the little-known observed power. Result: It is estimated that about 90% of published trials have insufficient sample, where such data are available [10].…”
mentioning
confidence: 99%
“…Still, to calculate the estimated sample size needed for a hypothesis test, Neyman-Pearson is used, and to assess the validity of the hypothesis, P designed by Fish. Many studies does not even bother to calculate the sample size required for adequate statistical power [8,9], and few researchers remember to calculate the power of the sample after the final survey, the little-known observed power. Result: It is estimated that about 90% of published trials have insufficient sample, where such data are available [10].…”
mentioning
confidence: 99%