The authors apologise that a within the section, valve implantation procedure, it was incorrectly written that ‘Patients heparinised 50 mg/kg and the dose has determined according to the activated clotting time, which should be between 150 and 250 seconds.’
The correct procedure should have been listed as ‘Patients heparinised 50 Unit/kg and the dose has determined according to the activated clotting time, which should be between 150 and 250 seconds.’
The article has been updated to reflect the correct information.