Extra - Thoracic complications after open heart surgery ttbtsis

This study was carried out on 150 patients who underwent open heart surgery for valve replacement or repair, coronary bypass grafting and total correction of congenital heart defects , to evaluate the incidence , presentation managment and outcome of extrathoracic complications following open heart surgery . Type of operati on , durati on of cardiopulmonary bypass mean blood pressure during bypass and type of anaesthesia were recorded.For detection of hepatic complications , blood samples were taken preoperatively and postoperatively for determination of the followingparameters :-(1) Serum bilirubin ,(2) Prothrombin time and concentration.(3) Liver enzymes, SGOT , SGPT and ALP.Our results showed an incidence of postoperative hepatic dysfunction 8 % with mortality rate 25 % .It also showed a significant positive correlations between the development of postoperative hepatic dysfunction and type of operation , duration of cardiopulmonary bypass, mean blood pressure during bypass and use of \’assopressors inotropics .