Robotic surgery is one of the most popular minimally invasive procedures for patients with coronary artery disease or valvular diseases. Studies have shown that, as compared to conventional sternotomy, patients underwent robot-assisted bypass grafting or valvuloplasty had less post-operation pain, blood transfusion volume during operation, re-operation rate, post-operation stroke rate and length of hospitalization. However, most studies focused on the comparison of complications of different procedures, and the investigation of cardiopulmonary function recovery is still lacking. Thus our study is to compare the functional outcomes between patients that undergo different surgical procedures.
patient who undergo surgery for coronary artery bypass graft or valvular replacement.
pregnant
patients who receive more than one type of surgery
severe complications after surgery (ex. respiratory failure, stroke) and stayed in hospital for more than 2 weeks.
cannot perform the cardiopulmonary exercise testing
coronary artery and valvular heart disease patients
Cohort
Prospective
robot-assisted surgery
Procedure/Surgery1. traditional sternotomy for coronary bypass graft or valvular replacement 2. robot-assisted surgery for coronary bypass graft or valvular replacement
Change of maximal oxygen consumption post-surgery
the change of maximal oxygen consumption from surgery before to 2 weeks after surgery
Change of maximal oxygen consumption in 3 months
the change of maximal oxygen consumption from before surgery to 3 months after surgery
Change of anaerobic threshold post surgery
the change of the onset of lactate accumulation in blood from before surgery to 2 weeks after surgery
Change of anaerobic threshold in 3 months
the change of the onset of lactate accumulation in blood from before surgery to 3 months after surgery
Change of vital capacity post-surgery
the change of vital capacity during pulmonary function testing from before surgery to 2 weeks after surgery
Change of vital capacity in 3 months
the change of vital capacity during pulmonary function testing from before surgery to 3 months after surgery
Change of respiratory flow post-surgery
the change of the ratio of air volume on exhalation to vital capacity during the first second in the pulmonary function testing from before surgery to 2 weeks after surgery
Change of respiratory flow ratio in 3 months
the change of the ratio of air volume on exhalation to vital capacity during the first second in the pulmonary function testing from before surgery to 3 months after surgery
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