Episodes
Monday Jul 03, 2023
Monday Jul 03, 2023
In this episode of Talk Evidence, Helen Macdonald, Joe Ross, and Juan Franco are back to update us on what's happening in the world of medical evidence.
Firstly, the news about the end of the covid-19 pandemic was trumpeted, but the changes to research funding have been more quite - and the team discuss what this means for ongoing work to understand the effects of covid, but also in terms of preparedness for the next pandemic.
Next, breast cancer screening recommendations, in the USA, have been reduced from women over the age of 50, to those over the age of 40. We discuss the modelling study which lead to that recommendation change, and what the consequence may be in terms of overdiagnosis.
Finally, 40 years ago, the U.S. Orphan Drug act was passed to encourage the development of treatments for rare conditions - but new research looks at how many clinically useful drugs have come onto market, and an analysis examines the way in which the system could be gamed by narrowing disease definitions to create small populations of patients.
Reading list
Is the UK losing its world leading covid surveillance network just when it needs it most?
Breast cancer: US recommends women start screening at 40
Friday May 05, 2023
Talk Evidence - cloning, reporting, and disseminating
Friday May 05, 2023
Friday May 05, 2023
Helen Macdonald, Juan Franco, and Joe Ross are back with our monthly update on the world of evidence based medicine. This episode delves into new methodologies which can use observational data to emulate trial data. We discuss a new systematic review and meta-analysis of RCTs for surgical treatment of sciatica. There is elaboration and explanation of the CONSORT Harms 2022 statement - and we'll be asking if it goes far enough. Finally, the old chestnut of surrogate endpoints in cancer treatment trials - are benefits communicated to patients accurately? Reading list; Nirmatrelvir and risk of hospital admission or death in adults with covid-19: emulation of a randomized target trial using electronic health records - https://www.bmj.com/content/381/bmj-2022-073312 Surgical versus non-surgical treatment for sciatica https://www.bmj.com/content/381/bmj-2022-070730 CONSORT Harms 2022 statement, explanation, and elaboration https://www.bmj.com/content/381/bmj-2022-073725 Funders crack down on unpublished clinical trials—but is it enough? https://www.bmj.com/content/381/bmj.p840 Communication of anticancer drug benefits and related uncertainties to patients and clinicians
https://www.bmj.com/content/380/bmj-2022-073711
Thursday Mar 30, 2023
Talk Evidence - automatic approval, evidence apps, and pay for performance data
Thursday Mar 30, 2023
Thursday Mar 30, 2023
In this month’s Talk Evidence, Helen Macdonald, Juan Franco and Joseph Ross are back to talk us through some of the latest research, They’ll talk about pay-for-perfomance schemes, and whether the data they routinely collect is measuring outcomes or tickboxes. They’ll also talk about a new analysis published on bmj.com which suggests ways in which that data could be better. We’re also by Huseyin Naci, associate professor of health policy at the London School of Economics and Political Science, who will tell us about proposed changes to drug regulation in the UK - and we discuss research which has linked speedier regulatory approval to more adverse advents in post marketing studies. Finally, we talk about point of care apps. The availability of medical information in the clinic has changed practice, but how good is that information? We hear about research which has evaluated those point of care apps (including BMJ’s Best Practice app) and rates them against different criteria. Reading list Estimated impact from the withdrawal of primary care financial incentives on selected indicators of quality of care in Scotland https://www.bmj.com/content/380/bmj-2022-072098 How can we improve the quality of data collected in general practice? https://www.bmj.com/content/380/bmj-2022-071950# UK to give “near automatic sign off” for treatments approved by “trusted” regulators https://www.bmj.com/content/380/bmj.p633 Smartphone apps for point-of-care information summaries
https://ebm.bmj.com/content/early/2023/03/14/bmjebm-2022-112146
Friday Feb 24, 2023
Talk Evidence - masks, chronic pain, and baby milk formulae claims
Friday Feb 24, 2023
Friday Feb 24, 2023
In this episode of Talk Evidence, Helen Macdonald is joined by Juan Franco and Joe Ross, to bring you the newest evidence in The BMJ. First, chronic pain. As prescribers move away from opioids, Juan finds an overview of systematic reviews asking whether anti-depressants might help. Joe finds new research on the link between six healthy lifestyle markers and cognitive decline. Helen looks at a trial to reduce prescribing among older people with suspected urinary tract infection or UTI. Juan has a nuanced take on the updated evidence on masks to reduce the spread of respiratory viruses. Finally, an international group of researchers traced the health claims made about infant formula milk back to the evidence or lack of it Reading list: Efficacy, safety, and tolerability of antidepressants for pain in adults https://www.bmj.com/content/380/bmj-2022-072415 Association between healthy lifestyle and memory decline in older adults https://www.bmj.com/content/380/bmj-2022-072691 Effect of a multifaceted antibiotic stewardship intervention to improve antibiotic prescribing for suspected urinary tract infections in frail older adults https://www.bmj.com/content/380/bmj-2022-072319 Physical interventions to interrupt or reduce the spread of respiratory viruses https://www.cochranelibrary.com/cdsr/doi/10.1002/14651858.CD006207.pub6/full Health and nutrition claims for infant formula
https://www.bmj.com/content/380/bmj-2022-071075
Friday Jan 27, 2023
Talk Evidence - excess deaths, the ONS, and the healthcare crisis
Friday Jan 27, 2023
Friday Jan 27, 2023
In this week's episode, we're focusing on covid and the ongoing crisis in the NHS. Helen Macdonald, Juan Franco and Joseph Ross cast their evidence seeking eyes over research into outcomes as well as the workload of doctors. Firstly, Joe tells us about a new big data study into longer term outcomes after mild covid-19, how those ongoing symptoms relate to long covid, and how often they resolve themselves. Juan looks back to his homeland to see what Argentina which was very early to offer children vaccinations against covid-19. He tells us how a new study design can help understand how effective different combinations of vaccines were. Joe has a Danish registry paper, which links people's employment status after a MI, explains how that gives us an insight into morbidity following that event. Helen looks at a new analysis which outlines the concept of "time needed to treat" - a measure of how much time it would take a clinician to actually carry out a guideline - and you'd be surprised how much GP time would be swallowed by a "brief" intervention to reduce inactivity in their patients. Finally, the data on excess mortality in the UK has been up for debate recently - our health minister calling into question the Office of National Statistic's data. We hear from Nazrul Islam, Associate professor of medical statistics, advisor to the ONS and BMJ research editor, who has some bad news for him. Reading list: Long covid outcomes at one year after mild SARS-CoV-2 infection https://www.bmj.com/content/380/bmj-2022-072529 Effectiveness of mRNA-1273, BNT162b2, and BBIBP-CorV vaccines against infection and mortality in children in Argentina, during predominance of delta and omicron covid-19 variants https://www.bmj.com/content/379/bmj-2022-073070 Guidelines should consider clinicians’ time needed to treat https://www.bmj.com/content/380/bmj-2022-072953 Expanding the measurement of overdiagnosis in the context of disease precursors and risk factors https://ebm.bmj.com/content/early/2023/01/10/bmjebm-2022-112117 Excess deaths associated with covid-19 pandemic in 2020
https://www.bmj.com/content/373/bmj.n1137.abstract
Wednesday Dec 21, 2022
Talking evidence at Christmas
Wednesday Dec 21, 2022
Wednesday Dec 21, 2022
It's almost time for the Christmas edition of the BMJ to hit your doormats, and in this festive edition of Talk Evidence we're going to be talking Christmas research. Joining Helen and Juan, we have Tim Feeney, BMJ research editor and researcher into Surgical outcomes at Boston University.
In this episode we'll be hearing about the health of footballers, and if a career in the sport predisposes Swedish players to substance use disorders. We'll hear about the performance of BMJ’s editors, when it comes to assessing the impact of a paper. We'll find out if AI algorithms can pass UK radiology exams, misinformation and a belief that everything causes cancer, and finally, some tips from BMJ’s statisticians to set the world right
Friday Dec 02, 2022
Talk Evidence - endometriosis, falling, and better EBM
Friday Dec 02, 2022
Friday Dec 02, 2022
In this month's episode, Helen Juan and Joe delve into the clinical - with a new review of endometriosis, and why the difficulty in diagnosis has lead to a dearth of evidence and attention on the condition. Joe tells us about a risk prediction tool that could be useful in helping to mitigate some of the problems of antihypertensive treatments. We're also having a geek out about a group of papers we've published lately, on how well evidence is created, maintained, and diseminated. Reading list; Development and external validation of a risk prediction model for falls in patients with an indication for antihypertensive treatment: retrospective cohort study https://www.bmj.com/content/379/bmj-2022-070918 Pathophysiology, diagnosis, and management of endometriosis https://www.bmj.com/content/379/bmj-2022-070750 Effective knowledge mobilisation: creating environments for quick generation, dissemination, and use of evidence https://www.bmj.com/content/379/bmj-2022-070195 Consistency of covid-19 trial preprints with published reports and impact for decision making: retrospective review https://bmjmedicine.bmj.com/content/1/1/e000309 Changing patterns in reporting and sharing of review data in systematic reviews with meta-analysis of the effects of interventions: a meta-research study from the REPRISE project
https://www.medrxiv.org/content/10.1101/2022.04.11.22273688v2
Wednesday Nov 02, 2022
Talk Evidence - Diabetes data, colonoscopies, and researchers behaving badly
Wednesday Nov 02, 2022
Wednesday Nov 02, 2022
In this month's Talk Evidence, Helen Macdonald, The BMJ's research integrity editor, is joined again by Juan Franco, editor in chief of BMJ EBM, and Joe Ross, US research editor. They're straying beyond the pages of The BMJ, and discussing an NEJM paper about colonoscopy for colorectal cancer screening. We have a listener request, asking about evidence for England's " NHS Diabetes Prevention Programme" - what do we know about how lifestyle interventions work at a population level? Juan puts on his Cochrane hat to answer the query. We stay with diabetes, and Joe tells us about his research trying to see if routinely collected observational data could be used to match the outcomes of an RCT into drug treatments. Finally, Helen updates us about what she's been doing about a case of plagiarism in one of BMJ's journals - and what that means for researchers who are writing in multiple journals about their work. Reading list Effect of Colonoscopy Screening on Risks of Colorectal Cancer and Related Death https://www.nejm.org/doi/full/10.1056/NEJMoa2208375 Emulating the GRADE trial using real world data: retrospective comparative effectiveness study https://www.bmj.com/content/379/bmj-2022-070717 Expression of concern about content of which Dr Paul McCrory is a single author
https://bjsm.bmj.com/content/early/2022/10/11/bjsports-2022-106408eoc
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