
Surgeon Paolo Macchiarini, who is under investigation for allegedly downplaying dangers of an experimental surgery, has been cleared of some misconduct allegations by the Karolinska Institutet in Stockholm.
Macchiarini, a thoracic surgeon, has made headlines for repairing damaged airways using tracheas from cadavers and even synthetic tracheas, both treated with the patients’ own stem cells to assist in the transplant.
In a letter to Vice-Chancellor Anders Hamsten dated last month, KI’s Ethics Council refuted a number of accusations leveled against Macchiarini by Pierre Delaere at KU Leuven in Belgium, who had suggested the surgeon had engaged in scientific misconduct, including fabricating data.
The Ethics Council, however, disagreed: