2005
DOI: 10.1590/s0066-782x2005001400007
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Desmame da ventilação mecânica utilizando pressão de suporte ou tubo T: comparação entre pacientes cardiopatas e não cardiopatas

Abstract: When comparing pressure support ventilation with T-tube ventilation, a better response was observed in the measurements of the respiratory and oxygenation parameters when using pressure support ventilation. No significant difference was observed in the measurements of cardiovascular parameters. In both weaning techniques, patients with heart disease had tachycardia less frequently, more alterations in the ST segment, and a greater tendency towards the occurrence of arrhythmias.

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Cited by 8 publications
(6 citation statements)
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“…These techniques were validated in two randomized clinical trials, and it was noted that approximately 75% of patients passed the spontaneous breathing test. Most patients recovering from acute respiratory failure pass the spontaneous breathing test, but when the progressive interruption of MV is necessary, the time for weaning is considerable, reaching approximately 40% of the total period on MV, and up to 60% for patients with chronic obstructive pulmonary disease [8].…”
Section: Patients On Long-term MVmentioning
confidence: 99%
See 2 more Smart Citations
“…These techniques were validated in two randomized clinical trials, and it was noted that approximately 75% of patients passed the spontaneous breathing test. Most patients recovering from acute respiratory failure pass the spontaneous breathing test, but when the progressive interruption of MV is necessary, the time for weaning is considerable, reaching approximately 40% of the total period on MV, and up to 60% for patients with chronic obstructive pulmonary disease [8].…”
Section: Patients On Long-term MVmentioning
confidence: 99%
“…Costa et al [8] compared the weaning for patients with and without heart disease using pressure support ventilation and T Tube and concluded that pressure support ventilation improved oxygenation and respiratory functional parameters, proven by the decrease in respiratory rate for at least the first 15 minutes and an increase in the tidal and minute volume. In intergroup comparison between patients with and without heart disease, significantly lower heart rate values were found in the patients with heart disease within 30 minutes in which they remained on pressure support when compared to T tube, probably due to the use of specific drugs such as propranolol, Digoxin, captopril, isosorbide and amiodarone.…”
Section: Patients On Long-term MVmentioning
confidence: 99%
See 1 more Smart Citation
“…Isso se encontra de acordo com o estudo de Epstein (6), no qual perceberam que o desmame ventilatório A estabilidade hemodinâmica, hemogasométrica e respiratória, conseguida durante a realização da pesquisa mediante a utilização do TRE com PSV, vai de encontro ao estudo de Costa et al (30), em que mostraram que, comparando o desmame realizado com PSV, houve melhora da oxigenação e dos parâmetros respiratórios demonstrado pela redução da FR, aumento do VC e VM quando comparados àqueles que utilizaram tubo t. Também verificaram valores significativamente menores de FC, maiores para a PaO₂, dióxido de carbono corrente final e SaO₂ nos grupos que utilizaram a PSV.…”
Section: Análise Estatísticaunclassified
“…A grande maioria dos pacientes criticamente enfermos internada em unidade de terapia intensiva (UTI) necessita de ventilação mecânica. Esta técnica é de alto custo e está associada à alta taxa de morbidade e mortalidade, devido à pneumonia e à lesão pulmonar que estão associadas à sua utilização, portanto as equipes devem estar atentas para que a liberação do paciente da ventilação mecânica possa ser realizada o mais rápido possível, com planejamento adequado e seguro [1].…”
Section: Introductionunclassified