Prophylaxis of perioperative blood loss in patients undergoing coronary artery bypass graft
Adult: Administer a test dose of 10,000 kallikrein inactivator units approx 10 minutes before the loading dose; an H1 and H2 antagonist may be given 15 minutes before the test dose. Loading dose: 1,000,000-2,000,000 kallikrein inactivator units via slow IV inj (Max rate: 5-10 mL/min) or infusion over 20-30 minutes after induction of anaesthesia but before sternotomy. An additional 1,000,000-2,000,000 kallikrein inactivator units should be added to the pump prime of the heart-lung machine. Maintenance dose: 250,000-500,000 kallikrein inactivator units/hour until the end of the operation via continuous infusion at 25-50 mL/hour. Max recommended dose per treatment course: 7,000,000 kallikrein inactivator units (including loading dose and maintenance dose). Doses are given to patients in the supine position. Dosage recommendations may vary between countries and individual products (refer to specific product guidelines).