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Published on: May 21, 2017
Eculizumab therapy in paroxysmal nocturnal haemoglobinuria patient undergoing aortic valve surgery
Sho Kusadokoro1, Naoyuki Kimura1, Daijiro Hori1
1Department of Cardiovascular Surgery, Saitama Medical Center, Jichi Medical University, Saitama, Japan.
Paroxysmal nocturnal haemoglobinuria is a rare disorder characterized by haemolytic anaemia and pancytopaenia. The use of cardiopulmonary bypass can lead to a haemolytic crisis in patients with paroxysmal nocturnal haemoglobinuria due to activation of complement-mediated haemolysis. We report the successful management of a 69-year-old man undergoing aortic valve replacement with standard heparin-protamine protocol by using eculizumab, a monoclonal antibody of complement factor C5. The surgery was performed without triggering a haemolytic crisis, and the patient was discharged from the hospital without major complications.
Paroxysmal nocturnal haemoglobinuria is a rare disorder characterized by haemolytic anaemia and pancytopaenia. The use of cardiopulmonary bypass can lead to a haemolytic crisis in patients with paroxysmal nocturnal haemoglobinuria due to activation of complement-mediated haemolysis. We report the successful management of a 69-year-old man undergoing aortic valve replacement with standard heparin-protamine protocol by using eculizumab, a monoclonal antibody of complement factor C5. The surgery was performed without triggering a haemolytic crisis, and the patient was discharged from the hospital without major complications.
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