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Talk Evidence

Latest episodes

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Aug 24, 2022 • 42min

Talk Evidence - a new way of understanding antidepressant effectiveness

In this week's episode, Joe Ross, professor of medicine at Yale, and The BMJ's US research editor, and Juan Franco, researcher at Heinrich-Heine-Universität and editor in chief of BMJ EBM are in the hot-seat. They will discuss new research on the effectiveness of antidepressants - based on all the individual patient data submitted to the FDA between 1979 and now. We'll take a look at a study of industry sponsorship of cost effectiveness analysis, and seeing similar patters of publication bias to RCTs. And finally we'll be talking about new research on the ongoing, and emergent pandemics - covid and monkeypox. Reading listResponse to acute monotherapy for major depressive disorder in randomized, placebo controlled trials submitted to the US Food and Drug Administration: individual participant data analysis https://www.bmj.com/content/378/bmj-2021-067606) Using individual participant data to improve network meta-analysis projects https://ebm.bmj.com/content/early/2022/08/10/bmjebm-2022-111931 Industry sponsorship bias in cost effectiveness analysis: registry based analysis https://www.bmj.com/content/377/bmj-2021-069573 Clinical features and novel presentations of human monkeypox in a central London centre during the 2022 outbreak https://www.bmj.com/content/378/bmj-2022-072410 Effectiveness of a fourth dose of covid-19 mRNA vaccine against the omicron variant among long term care residents in Ontario, Canada: https://www.bmj.com/content/378/bmj-2022-071502
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Jul 31, 2022 • 38min

Talk Evidence - shoulders, knees, and woes

In this episode, Juan Franco, editor in chief of BMJ EBM, and Helen Macdonald, The BMJ's research integrity editor, sit down to discuss what's new in the world of evidence. Firstly, last week they went to the first EBM Live conference for two years - and report back on what happened when the evidence community got back together. We have two research papers looking at knees and shoulders, and finding out about the balance of risks and benefits. In covid news, we're still finding new symptoms associated with infection, 2.5 years after the pandemic started. We'll also hear how complex it is to research vaccine efficacy now. Reading list: Smell and taste dysfunction after covid-19 https://www.bmj.com/content/378/bmj.o1653 Serious adverse event rates and reoperation after arthroscopic shoulder surgery https://www.bmj.com/content/378/bmj-2021-069901 Viscosupplementation for knee osteoarthritis https://www.bmj.com/content/378/bmj-2022-069722 Waning effectiveness of BNT162b2 and ChAdOx1 covid-19 vaccines over six months since second dose https://www.bmj.com/content/378/bmj-2022-071249
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Jun 17, 2022 • 41min

Talk Evidence - political persuasion and mortality, too much medicine

In this week's episode, Helen Macdonald is joined by Joseph Ross, US research editor for The BMJ, and Juan Franco, editor of BMJ EBM. They begin by discussing a review of obesity interventions in primary care, and Joe wonders if GPs are really the best people to tackle the issue. https://www.bmj.com/content/377/bmj-2021-069719 Cervical screening in the UK now includes HPV testing, and they look at research which examines whether this could mean longer periods between screening tests. https://www.bmj.com/content/377/bmj-2021-068776 They all enjoy a new State of the Art Review into Revascularization in stable coronary artery disease. https://www.bmj.com/content/377/bmj-2021-067085 Juan and Joe look at a review into combinations of covid-19 vaccinations - and wonder whether we'll ever see more trials to fit into this meta-analysis. https://www.bmj.com/content/377/bmj-2022-069989 Finally, they find out how your political persuasion has affected mortality in the US, with new research that links Republican and Democrat voters with differential changes in mortality. https://www.bmj.com/content/377/bmj-2021-069308
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May 23, 2022 • 46min

Talk Evidence - evidence in Roe vs Wade, MI treatment variation, and tribal methodologies

Helen Macdonald, The BMJ's research integrity editor is back with another episode, and this week is joined by Joe Ross, professor of medicine and public health at Yale, and US research editor for The BMJ, and Juan Franco, editor in chief of BMJ EBM, and Professor at the Instituto Universitario Hospital Italiano de Buenos Aires In this episode they discuss; The US supreme court looks set to overturn Roe v Wade, creating a patchwork of abortion provision across the U.S. We consider the role which evidence might play in documenting how health is affected by that decision, and whether medical evidence is being used at all in the debate. We'll give you a quick update on treatment for Covid-19 We know that trials are needed for new treatments, but in the face of an exponentially growing amount of observational data, is it time for a shift in that certainty? Joe tells us about his research into whether trials and observational studies of three drugs in covid produce the same answer? And finally, treatment variation - it's one of the things that helped kick-start the EBM revolution, but there's still much to learn. Juan describes some new research which examines how countries stack up when you compare their handling of and outcomes of a common condition such as a myocardial infarction. Reading list; Navigating Loss of Abortion Services — A Large Academic Medical Center Prepares for the Overturn of Roe v. Wade https://www.nejm.org/doi/full/10.1056/NEJMp2206246. A living WHO guideline on drugs for covid-19 https://www.bmj.com/content/370/bmj.m3379 Agreement of treatment effects from observational studies and randomized controlled trials evaluating hydroxychloroquine, lopinavir-ritonavir, or dexamethasone for covid-19 https://www.bmj.com/content/377/bmj-2021-069400 Variation in revascularisation use and outcomes of patients in hospital with acute myocardial infarction across six high income countries https://www.bmj.com/content/377/bmj-2021-069164
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Mar 30, 2022 • 38min

Covid vaccine safety, Methenamine hippurate, and intersectionality

In this episode of Talk Evidence, Helen Macdonald, the BMJ’s research integrity editor is joined by Joe Ross, US research editor, and Juan Franco, editor in chief of BMJEBM, to talk about all things evidence. Joe gives us an update about covid, including new research on safety of the vaccine Association between covid-19 vaccination, SARS-CoV-2 infection, and risk of immune mediated neurological events https://www.bmj.com/content/376/bmj-2021-068373 Juan updates us on a potential new prophylactic for recurrent UTIs, Methenamine hippurate, which could be an alternative to antibiotics. Alternative to prophylactic antibiotics for the treatment of recurrent urinary tract infections in women https://www.bmj.com/content/376/bmj-2021-0068229 Helen tells us about some research which evaluates the way in which intersecting identities combine to make students experience of medical school more difficult. Marginalized identities, mistreatment, discrimination, and burnout among US medical students https://www.bmj.com/content/376/bmj-2021-065984
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Jan 28, 2022 • 35min

Talk Evidence - isolation periods, openness, and environmental impacts

In the first Talk Evidence of 2022, we'll be asking about the evidence for isolation - now that isolation periods are being reduced, or even stopped in the event of a negative lateral flow test, we'll find out what data that's based on, and if it's appropriate. Vaccinations and treatments for covid-19 have been the one major success story of the pandemic, but that doesn't mean we should abandon the principles of openness and transparency when it comes to scrutinising the data - we'll hear what access to the data which underlies regulatory approval could do now. Finally, the impacts of climate change were set out in a WHO report in November last year - and recent weather seems to underline their conclusions. We'll discuss new evidence linking the environment and health, and ask what clinicians can do with that. Reading list: Mitigating isolation: The use of rapid antigen testing to reduce the impact of self-isolation periods https://www.medrxiv.org/content/10.1101/2021.12.23.21268326v1.full.pdf Covid-19 vaccines and treatments: we must have raw data, now https://www.bmj.com/content/376/bmj.o102 WHO report: Climate change and health https://www.who.int/news-room/fact-sheets/detail/climate-change-and-health Ambient heat and risks of emergency department visits among adults in the United States: time stratified case crossover study https://www.bmj.com/content/375/bmj-2021-065653 Residential exposure to transportation noise in Denmark and incidence of dementia: national cohort study https://www.bmj.com/content/374/bmj.n1954 Long term exposure to low level air pollution and mortality in eight European cohorts within the ELAPSE project: pooled analysis https://www.bmj.com/content/374/bmj.n1904
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Dec 22, 2021 • 34min

Talking Christmas Evidence 2021

The BMJ has special criteria for considering Christmas research: first it should make you laugh, and then it should make you think. In this festive episode of the Talk Evidence podcast, our regular panel of Helen Macdonald and Joe Ross are again joined by Juan Franco, editor in chief of BMJ Evidence Based Medicine. They’ll give you a peek into what makes for good Christmas research, and why what may seem silly on the surface has a deeper meaning.
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Nov 5, 2021 • 46min

Talk Evidence - Bones, nutrition, pain relief, and overdiagnosis.

In this month’s Talk evidence, we’re going back to our roots and avoiding covid - so sit back and listen to Helen Macdonald and Joe Ross discuss a new nutrition study to prevent fractures in older adults by eating dairy, and a meta-analysis which helps you choose pain relief medications for management of osteoarthritis. We’ll hear from Steven Woloshin about the virtual Overdiagnosis conference, and why he’s so excited about a new category in the National Library of Medicine. Finally, we have a study on urinary retention and risk of cancer that has been over 25 years in the making. Reading list; Effect of dietary sources of calcium and protein on hip fractures and falls in older adults in residential care https://www.bmj.com/content/375/bmj.n2364 Effectiveness and safety of non-steroidal anti-inflammatory drugs and opioid treatment for knee and hip osteoarthritis https://www.bmj.com/content/375/bmj.n2321 To access the webinars Steven was talking about. https://www.preventingoverdiagnosis.net/ Acute urinary retention and risk of cancer https://www.bmj.com/content/375/bmj.n2305 Podcast listener survey. Please let us know how we could improve the podcasts for you, and your specialty - https://linktr.ee/BMJsurvey
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Sep 29, 2021 • 29min

Talk Evidence - testing for respiratory tract infections, cannabis for pain, & covid outcomes

This week our regular panelists, Helen Macdonald and Joe Ross, are joined by Juan Franco, editor in chief of BMJ Evidence Based Medicine - to take a primary care focussed look at what's been happening in the world of evidence. On this week’s episode. As kids go back to school, winter bugs surge and pressure mounts on health services we look at two trials which aimed to use reduce antibiotic prescribing for respiratory tract infections in nursing homes and primary care Juan brings us an update on prescribing medicinal cannabis for pain, based on a recent BMJ rapid recommendation article and linked systematic review and meta-analysis And finally, in covid news, how likely are you to be admitted or die from covid after one or two SARS-CoV 2 vaccinations? Reading list Effect of C reactive protein point-of-care testing on antibiotic prescribing for lower respiratory tract infections in nursing home residents - https://www.bmj.com/content/374/bmj.n2198 Procalcitonin and lung ultrasonography point-of-care testing to determine antibiotic prescription in patients with lower respiratory tract infection in primary care - https://www.bmj.com/content/374/bmj.n2132 Medical cannabis or cannabinoids for chronic pain - https://www.bmj.com/content/374/bmj.n2040 Risk prediction of covid-19 related death and hospital admission in adults after covid-19 vaccination - https://www.bmj.com/content/374/bmj.n2244
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Sep 3, 2021 • 44min

Talk Evidence - real world vaccine data, GP records and CVD

In this month's Talk Evidence, Helen Macdonald and Joe Ross are back with a wry look at the world of Evidence Based Medicine. They give us a round up of real world data emerging to address various uncertainties about vaccinations against covid Helen has an update on NHS Digital’s project to extract GP coding for planning of healthcare and research, and talks to Natalie Banner from Understanding Patient Data, to find out what the public really cares about. Finally, as routine care must go on a clinical review on cardiovascular disease in older adults introduces us to geroscience. Reading list Vaccines; Effectiveness of BNT162b2 and mRNA-1273 covid-19 vaccines against symptomatic SARS-CoV-2 infection and severe covid-19 outcomes in Ontario, Canada: test negative design study - https://doi.org/10.1136/bmj.n1943 Effectiveness of the CoronaVac vaccine in older adults during a gamma variant associated epidemic of covid-19 in Brazil: test negative case-control study - https://doi.org/10.1136/bmj.n2015 Associations of BNT162b2 vaccination with SARS-CoV-2 infection and hospital admission and death with covid-19 in nursing homes and healthcare workers in Catalonia: prospective cohort study https://doi.org/10.1136/bmj.n1868 Risk of thrombocytopenia and thromboembolism after covid-19 vaccination and SARS-CoV-2 positive testing: self-controlled case series study - https://doi.org/10.1136/bmj.n1931 CVD Cardiovascular care of older adults - https://doi.org/10.1136/bmj.n1593

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