Muscle weakness
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Patients in the postoperative period of elective cardiac surgery via sternotomy and using cardiopulmonary bypass; left ventricular ejection fraction above 40%; body mass index lower than 30 kg/m2.
Exclusion criteria
Exclusion criteria: Patients who required additional surgery during the postoperative period; as well as those who had complications such as cardiorespiratory arrest; prolonged sedation; mechanical ventilation time greater than twenty-four hours; neurological complications; patients who could not understand or collaborate with the procedures were also excluded since the conducts applied in the inspiratory muscle training are volitional.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Expected outcome 1. The use of inspiratory muscle training with the use of the POWERBreathe® pressure linear load resistor in the postoperative period of myocardial revascularization surgery increases the maximum inspiratory pressure values. ;Outcome found 1. In the present study, it was evidenced that the study group presented greater negativity of the maximum inspiratory pressure values ??when compared to the preoperative period, with a mean of -58.8 ± 34.7 cmH2O on the first postoperative day. before the intervention, which was -39.1±29.2 cmH2O, and a statistically significant increase in maximum inspiratory pressure during the first day to the fifth postoperative day, with values ??of maximum inspiratory pressure of -69.1±35, 4 cmH2O in the latter. which revealed a negative increase in maximal inspiratory pressure. Thus expressing a significant increase in expiratory muscle strength with (p=0.02), which confirms the hypothesis of the study. The control group, in terms of maximal inspiratory pressure, showed a smaller drop when comparing the mean preoperative values ??-72 ±34.8 cmH2O with the fifth postoperative day -53.2±32.2 cmH2O. For the control group of this study, these two moments mentioned above were measured. This behavior of lower negative values ??of maximum inspiratory pressure in the control group highlights the importance of carrying out inspiratory muscle training in the postoperative period of cardiac surgery. Still translating the little gain in inspiratory muscle strength that occurred in the control group.;Expected outcome 2. In this study, it was expected that the effect of inspiratory muscle training would only improve the levels of maximum inspiratory pressure in patients submitted to it during the 1st to 5th postoperative period of coronary artery bypass grafting. However, in addition to there being an increase in the negativity of the maximum inspiratory pressure, expressing an improvement in the inspiratory muscle function, confirming wh | — |
Secondary
| Measure | Time frame |
|---|---|
| In this study, secondary outcomes were not estimated. | — |
Countries
Brazil
Contacts
Faculdade de Medicina do ABC