2001 Fujii papers retracted — finally. What took so long?

Nearly four years after an analysis of more than 160 papers by Yoshitaka Fujii concluded the chances the data were authentic were infinitesimally small, the British Journal of Ophthalmology has decided to formally retract one of the papers included in that review. The name Yoshitaka Fujii should ring a bell — an alarm bell, in fact … Continue reading 2001 Fujii papers retracted — finally. What took so long?

To catch a cheat: Paper improves on stats method that nailed prolific retractor Fujii

The author of a 2012 paper in Anaesthesia which offered the statistical equivalent of coffin nails to the case against record-breaking fraudster Yoshitaka Fujii (currently at the top of our leaderboard) has written a new article in which he claims to have improved upon his approach. As we’ve written previously, John Carlisle, an anesthesiologist in the United … Continue reading To catch a cheat: Paper improves on stats method that nailed prolific retractor Fujii

Retraction record broken, again: University report should up Fujii total to 183

Keeping up with the various investigations into the activities of Yoshitaka Fujii — the assumed record holder for retractions by a single author, with 172 likely — can be a challenge. Between the journals pulling his papers and the institutions looking into his misconduct, it’s hard to keep everything straight. But we have a new … Continue reading Retraction record broken, again: University report should up Fujii total to 183

Does anesthesiology have a problem? Final version of report suggests Fujii will take retraction record, with 172

Japanese investigators have concluded that Yoshitaka Fujii, an expert in postoperative nausea and vomiting whose findings drew scrutiny in 2000 but who continued to publish prolifically for a decade after, fabricated his results in at least 172 published studies. That number nearly doubles that of the current unofficial retraction record holder, Joachim Boldt. An inquiry … Continue reading Does anesthesiology have a problem? Final version of report suggests Fujii will take retraction record, with 172

Report: Fujii faked data in at least 172 papers

A Japanese web site is reporting that Yoshitaka Fujii, a Japanese anesthesiologist suspected of widespread data fabrication, did indeed fake his results in at least 172 published studies. According to the article, on a site called Jiji Press:

Three more Fujii papers fall for lack of IRB approval

Three journals under the JAMA umbrella are retracting papers by Yoshitaka Fujii, the Japanese anesthesiologist accused of research misconduct so sweeping that it might net him the record for most retractions by a single author. The papers, in the Archives of Surgery, Archives of Ophthalmology and the Archives of Otolaryngology — Head & Neck Surgery, … Continue reading Three more Fujii papers fall for lack of IRB approval

Potential retraction record holder Fujii to Anaesthesia: I’m no stats expert, but my studies have “integrity”

As we reported earlier this spring, the UK journal Anaesthesia published a remarkable statistical analysis of the work of Yoshitaka Fujii, the Japanese anesthesiologist who has been accused of fabricating his results for years — and who, we’re led to believe, may soon wind up with the record for retractions, at a number north of … Continue reading Potential retraction record holder Fujii to Anaesthesia: I’m no stats expert, but my studies have “integrity”

Fujii retractions mount

Spring is a time of rebirth and renewal — and, if you are Yoshitaka Fujii, retraction. We have seen retraction notices in two journals concerning papers by Fujii, the Japanese anesthesiologist who, according to an international group of editors, may ultimately lose some 190 publications to research fraud. Otoloaryngology — Head and Neck Surgery last … Continue reading Fujii retractions mount

193 papers could be retracted: Journal consortium issues ultimatum in Fujii case

A group of editors representing nearly two dozen medical journals has issued an ultimatum of sorts to officials at seven Japanese institutions that once employed Yoshitaka Fujii: Validate the papers of the disgraced anesthesiologist or they will be retracted. Fujii, as we have reported, was fired by Toho University in late February, putatively for failing … Continue reading 193 papers could be retracted: Journal consortium issues ultimatum in Fujii case

Update on Fujii: Anesthesia journal finds overwhelming statistical evidence of data fabrication

There’s a bit more this afternoon on the story of Yoshitaka Fujii, the Japanese anesthesiologist accused of fraud and other misconduct that we reported on yesterday. The British journal Anaesthesia, which has been looking into Fujii’s research record, has posted four articles and editorials about the case and related issues on its website. One in … Continue reading Update on Fujii: Anesthesia journal finds overwhelming statistical evidence of data fabrication