Shannon Brownlee

Nov 15, 2024 | bmj.com | Jeanne Lenzer |Shannon Brownlee

Dear Editor,We respond to four points made by Teresa J Buracchio et al, on behalf of the FDA:First, regarding financial conflictsThe FDA leaves out important information regarding the agency’s increasing reliance on advisory committee members who have ties to drug and medical device makers.

Jan 5, 2024 | jabfm.org | Alison Huffstetler |Joseph B. Fraiman |Shannon Brownlee |Kenneth W Lin

To the Editor: Swartz and his colleagues bring concerns regarding methods of our analysis and methodologies.1 In our systematic review of the literature pertaining to the harms of screening colonoscopy, we judged that a meta-analysis was not statistically sound due to the very high heterogeneity of study results (I2 of 97%).

Jun 19, 2023 | qualitysafety.bmj.com | Kelsey Chalmers |Shannon Brownlee |Vikas Saini

http://orcid.org/0000-0001-7291-8898Kelsey Chalmers, Shannon Brownlee, Vikas SainiLown Institute, Needham, Massachusetts, USACorrespondence to Dr Kelsey Chalmers, Data Research, Lown Institute, Needham, MA 02494, USA; kchalmers{at}lowninstitute.org Statistics from Altmetric.com Request Permissions If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service.

May 11, 2023 | jabfm.org | Alison Huffstetler |Virginia Commonwealth |Joseph B. Fraiman |Shannon Brownlee

ConclusionUnderstanding and reducing harm is a common goal of clinicians and health systems.19 We conducted a rigorous analysis of harms that occurred in the course of screening colonoscopy, which is the third most common cancer screening procedure in the US, exceeded only by Papanicolaou tests and mammography.20 Recently, a publication in the New England Journal by Bretthauer et al. suggested that the mortality benefits of screening colonoscopy have been overestimated in cohort studies.

Mar 13, 2023 | qualitysafety.bmj.com | Kelsey Chalmers |Shannon Brownlee |Vikas Saini

http://orcid.org/0000-0001-7291-8898Kelsey Chalmers, Shannon Brownlee, Vikas SainiLown Institute, Needham, Massachusetts, USACorrespondence to Dr Kelsey Chalmers, Data Research, Lown Institute, Needham, MA 02494, USA; kchalmers{at}lowninstitute.org Statistics from Altmetric.com Request Permissions If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service.