Patients
The criteria were analyzed in the preoperative period, when patients
were admitted to the hospital. Patients of both sexes aged between 30
and 70 years, who underwent myocardial revascularization with
extracorporeal circulation and median sternotomy were included. As
exclusion of heart valve disease, previous lung disease, death, who did
not understand how to perform the inspiratory muscle strength
assessment, presented hemodynamic instability (mean arterial pressure
below 70 mmHg or above 110 mmHg and / or heart rate below 60 or above
120 beats per minute) during assessment or inspiratory muscle training,
lack of understanding to answer the heart anxiety questionnaire and
emergency surgery.