Annals of cardiac anaesthesia
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Randomized Controlled Trial Comparative Study
Comparison of three dose regimens of aprotinin in infants undergoing the arterial switch operation.
To determine the most effective dose regimen of aprotinin for infants undergoing arterial switch operation for transposition of the great arteries in reducing blood loss and postoperative packed red blood cell (PRBC) requirements. A total of 24 infants scheduled for arterial switch operation for transposition of the great arteries were included in the study. The infants were randomly assigned to one of the three groups. ⋯ Serum urea and creatinine showed no significant difference between the three groups twenty four hours postoperatively. Aprotinin dosage regimen of 40,000 KIU/kg at induction, in CPB prime and postoperatively for three hours was most effective in reducing postoperative blood loss and PRBC transfusion requirements. Aprotinin does not have any adverse effect on renal function.
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Partial exchange transfusion during cardiopulmonary bypass, while conducting cardiac surgery may be a useful technique in patients with high level of sickle hemoglobin. Along with this preoperative use of hydroxyurea and alternative analgesic modalities such as transcutaneous electrical nerve stimulation in postoperative period may be beneficial, in our opinion. A 16-year-old female of Turner's syndrome having sickle cell anemia scheduled for closure of arterial septal defect on cardiopulmonary bypass was managed with partial exchange transfusion and warm cardioplegia.
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Trans-esophageal echocardiaography is a sensitive, minimally invasive, diagnostic tool which gives real time functional image of the aorta. It helps in the diagnosis of pathologies of aorta like atherosclerosis, aneurysm and aortic dissection.