In April 2017,the editors ofJAMA Otolaryngology − Head & Neck Surgeryreceived allegations that thepaperincluded data that had been published in other bepaly投注journals.After investigating,the editors discovered extensive overlap betweenseveral sections of theJAMApaperand anow-retracted 2015 paperby the same group.The 2015 paper,published in thebepaly投注Journal of the American College of Surgeons(JACS),was pulledin July 2017,after the editors determined the statistical results were "incorrect" and "the data do not support the conclusions of the article."
Given the overlap between the two papers,theJAMAeditorscontacted the University of L'Aquila,where the authors work,to request a formal investigationto evaluate the "integrity of the research."Jay Piccirillo,the editor ofJAMA Otolaryngology − Head & Neck Surgery, told us:
A representative of the university informed us that an investigation is underway.We await the findings of this investigation.
In July,the bepaly投注journalissued anexpression of concernto alert readers to potential problems with the 2013 paper.
We contacted the university for an update,but have not heard back.
Mario Schietroma,the corresponding author on both papers,acknowledged his "misinterpretation of the statistical data"in theJACSpaper,but said he does not believe theJAMApaper suffers from similar statistical issues.Regarding the overlap,Schietroma explained that,because the two studies examined the same topic and shared primary end points,they required similar designs,analyses,and background information.What's more,he added,even "the graphic representations are similar" because the team found the therapeutic properties of the two interventions were alike.
Schietroma's team hastwo other bepaly体育赌博retractionsthat cite"similarities" to previouslypublished work—a2013 paperin thebepaly投注Journal of Investigative Surgery,retracted in October 2017,and a 2011paperinbepaly投注Journal of Gastrointestinal Surgery,retracted in November 2013.Schietroma was corresponding author on both previous papers.
In the rather detailedexpression of concernfor "Dexamethasone for the Prevention of Recurrent Laryngeal Nerve Palsy and Other Complications After Thyroid Surgery: A Randomized Double-blind Placebo-Controlled Trial," the bepaly投注journal outlines the timeline of events,concluding:
Following our evaluation,we have concluded that the scientific and ethical concerns raised may have merit and therefore require definitive explanation.We have contacted the University of L'Aquila and requested a formal investigation to evaluate the integrity of the research conducted by Dr Schietroma and colleagues to assess the validity of the reported findings.
In the interim,we publish this Expression of Concern to alert readers to the concerns about this article.
The paper,submitted in April 2012 and published May 2013,has been cited 15 times,according to Clarivate Analytics' Web of Science(including once by the expression of concern).It has not been cited since theJACSpaper was retracted in July 2017.
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