Reading about embattled trachea surgeon Paolo Macchiarini? Here’s what you need to know

The media has been abuzz in the last few weeks with developments in the ongoing story about “super surgeon” Paolo Macchiarini. We’ve been covering the allegations against him for years (and invited him to publish a guest post on our site). Below, we present a timeline of recent events, to keep you abreast of what we know … Continue reading Reading about embattled trachea surgeon Paolo Macchiarini? Here’s what you need to know

Where I think Retraction Watch went wrong: A guest post from Paolo Macchiarini

We are pleased to present a guest post by Paolo Macchiarini, a surgeon best known for pioneering the creation of tracheas from cadavers and patients’ own stem cells. Macchiarini has faced some harsh criticisms over the years, including accusations of downplaying the risks of the procedure and not obtaining proper consent. We have covered the investigation, including … Continue reading Where I think Retraction Watch went wrong: A guest post from Paolo Macchiarini

“The final verdict:” Lancet retracts two papers by Macchiarini

The Lancet chapter of the Paolo Macchiarini saga appears to finally be over. In an editorial titled “The final verdict on Paolo Macchiarini: guilty of misconduct,” the editors of the journal announce that they are retracting two papers by the now-disgraced surgeon and colleagues “after receiving requests to do so from the new President of … Continue reading “The final verdict:” Lancet retracts two papers by Macchiarini

Karolinska finds Macchiarini, six other researchers guilty of misconduct

Former super-star surgeon Paolo Macchiarini is guilty of misconduct, along with six of his co-authors — including one who initially help alert authorities to problems with Macchiarini’s work, according to an announcement today by his former institution, the Karolinska Institute. KI is also calling to retract six articles co-authored by Macchiarini and his colleagues, including … Continue reading Karolinska finds Macchiarini, six other researchers guilty of misconduct

Journal holds firm on decision not to retract Macchiarini paper, despite outside pressure

Earlier this year, the president of the Karolinska Institute, Ole Petter Ottersen, contacted the journal Respiration, saying KI had conducted an investigation and determined that a 2015 paper co-authored by once-lauded surgeon Paolo Macchiarini had been tainted by misconduct. Please retract the paper, Ottersen said. When the journal said no — opting to publish correspondence … Continue reading Journal holds firm on decision not to retract Macchiarini paper, despite outside pressure

Karolinska told a journal to retract a paper by Macchiarini. It refused. The story didn’t end there.

The president of the Karolinska Institutet (KI) is frustrated. At the beginning of the year, Ole Petter Ottersen informed a journal that one of its papers — co-authored by former superstar Paolo Macchiarini — had been tainted by misconduct. But the journal declined to retract it. Despite the fact that KI had conducted its own … Continue reading Karolinska told a journal to retract a paper by Macchiarini. It refused. The story didn’t end there.

Macchiarini, 3 co-authors found guilty of misconduct in 2015 paper

The Karolinska Institutet in Sweden has declared that once-lauded surgeon Paolo Macchiarini and three co-authors committed misconduct in a 2015 paper. The decision by KI’s vice chancellor will be followed by a request to retract the paper, published by the journal Respiration. In the paper, the researchers described the case of a man with an … Continue reading Macchiarini, 3 co-authors found guilty of misconduct in 2015 paper

Swedish review board finds misconduct by Macchiarini, calls for six retractions

An ethical review board in Sweden is asking journals to retract six papers co-authored by former star surgeon Paolo Macchiarini, after concluding that he and his co-authors committed misconduct. One of the papers is the seminal 2011 article in The Lancet, which described the first case of a transplant using an artificial trachea seeded with … Continue reading Swedish review board finds misconduct by Macchiarini, calls for six retractions

Swedish prosecutor won’t pursue criminal case against Macchiarini

A Swedish prosecutor has announced she won’t continue investigating a former star surgeon who has since fallen from grace. Paolo Macchiarini made a name for himself by transplanting synthetic tracheas. After multiple patients died, however, allegations against the researcher have continued to swirl. He was dismissed from the Karolinska Institutet last year, after it reopened … Continue reading Swedish prosecutor won’t pursue criminal case against Macchiarini

“It’s been three tough years:” Macchiarini whistleblower cleared of previous charges

Karl-Henrik Grinnemo was worried. The doctor and clinical researcher at the Karolinska Institute was working with a high-profile surgeon who was performing a potentially life-saving procedure on patients, but Grinnemo saw that the patients weren’t doing very well. So in 2013, Grinnemo and three other doctors raised concerns about the work of Paolo Macchiarini. The … Continue reading “It’s been three tough years:” Macchiarini whistleblower cleared of previous charges