For the past 14 years, a cardiac surgeon in Italy has been trying to blow the whistle on a study written by his former colleagues that has been the subject of several investigations – with two of them finding problems with the data. And despite defeating three defamation lawsuits, two which were brought by authors of the paper, he’s not giving up yet.
The 2006 paper, ‘Relationship between atrial histopathology and atrial fibrillation after coronary bypass surgery’, written by several of cardiac surgeon Vittorio Mantovani’s colleagues at the Ospedale di Circolo in Varese, was published in the Journal of Thoracic and Cardiovascular Surgery. To date, the paper – which has been cited 57 times, according to Clarivate’s Web of Science – has been investigated by at least two institutions as well as the journal. None have resulted in a retraction, despite one university finding that only a little more than half of the patients in the dataset could be matched unambiguously with biopsy samples. One university is also waiting on the journal to act before it considers reopening its own investigation.
For Mantovani, the red flags started appearing in 2010, when he came across a minor discrepancy between two other papers written by him and his colleagues. He thought it was odd that in one dataset, patients were identified by name, but in the other, they were identified using numbers.
Continue reading A cardiac surgeon’s tortuous efforts – including three lawsuits – to get the scientific record corrected