{"id":1622,"date":"2018-02-01T23:25:19","date_gmt":"2018-02-01T23:25:19","guid":{"rendered":"https:\/\/blogs.bmj.com\/bmjebmspotlight\/?p=1622"},"modified":"2018-02-09T14:00:36","modified_gmt":"2018-02-09T14:00:36","slug":"evidence-watch-bmj-ebm","status":"publish","type":"post","link":"https:\/\/blogs.bmj.com\/bmjebmspotlight\/2018\/02\/01\/evidence-watch-bmj-ebm\/","title":{"rendered":"Evidence Watch: BMJ EBM\u00a0 \u00a0 \u00a0 \u00a0"},"content":{"rendered":"<h2><\/h2>\n<p>Each week our editors select from over 100 journals reliable and useful evidence summarised in <a href=\"http:\/\/ebm.bmj.com\/\">BMJ Evidence-Based Medicine<\/a>.<\/p>\n<p style=\"text-align: right\">Carl Heneghan, Editor in Chief<\/p>\n<hr \/>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1610 alignright\" src=\"https:\/\/blogs.bmj.com\/bmjebmspotlight\/files\/2018\/01\/Picture1-2.png\" alt=\"\" width=\"277\" height=\"143\" \/>There&#8217;s a lot of research at the moment on blood pressure and what\u2019s the right target to treat too.\u00a0 A JAMA systematic review looked at mortality and cardiovascular disease across blood pressure levels. [1] In 74 trials (and a lot of patient-years) they found that above a baseline BP of 160 mm Hg treatment reduced risk for death, but below 140 mm Hg, treatment was not associated with mortality reductions.<\/p>\n<p>A\u00a0 Hong Kong study of Proton pump inhibitors (PPIs) link with gastric cancer among H Pylori infected people reported that\u00a0 PPIs use was associated with an increased risk of cancer. [2] Note though there\u2019s a lot of associations for PPI use but little in terms to say on causation. The good news, though, is the risk remain small: out of 63 397 subjects, 153 (0.24%) developed cancer during a median follow-up of 7.6 years.<\/p>\n<p>An RCT of 955 patients assigned to subcutaneous Erenumab (a monoclonal antibody that inhibits the calcitonin gene-related peptide receptor)\u00a0 or placebo for the prevention of an episodic migraine reported reductions in migraine frequency and the use of the migraine medications over six months. [3]\u00a0 Data on long-term are lacking, its lacking independent replication and this treatment will break the bank: some estimates have the cost at between $8,000 and $20,000 annually.<\/p>\n<p>A Cochrane review including 7 RCTs of oral anticoagulants showed they had no effect in people with cancer through but did increase the risk of bleeding. [4[\u00a0 Lots of problems with underpowered research, commercial influences and moderate quality evidence.\u00a0 This is a\u00a0 living systematic review (not sure though if this is the right term as it suggests some reviews are dead) meaning it will be continually updated &#8211;\u00a0 good news given how long some Cochrane reviews take to be updated.<\/p>\n<hr \/>\n<p><em><span style=\"font-size: 1rem\">Evidence <\/span>Watch <span style=\"font-size: 1rem\">provides the articles likely to impact practice: <\/span><span style=\"font-size: 1rem\">access the summaries at <\/span><a style=\"font-size: 1rem;background-color: #ffffff\" href=\"http:\/\/ebm.bmj.com\/\">BMJ Evidence-Based Medicine<\/a><\/em><span style=\"font-size: 1rem\">:<\/span><\/p>\n<p><strong>References<\/strong><strong>\u00a0<\/strong><\/p>\n<p>[1] Association of blood pressure lowering with mortality and cardiovascular disease across blood pressure levels a systematic review and meta-analysis. Brunstrom M. &amp; Carlberg B. 2018. JAMA Internal Medicine, 178(1), 28-36. (<a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/29131895\">PubMed<\/a>)<\/p>\n<p>[2] Long-term proton pump inhibitors and risk of gastric cancer development after treatment for Helicobacter pylori: a population-based study. Cheung K.S. et al. 2018. Gut, 67(1), 28-35. (<a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/29089382\">PubMed<\/a>)<\/p>\n<p>[3] A controlled trial of erenumab for episodic migraine. Goadsby P.J. et al. 2017. The New England Journal of Medicine, 377(22), 2123-2132. (<a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/29171821\">PubMed<\/a>)<\/p>\n<p>[4] Oral anticoagulation in people with cancer who have no therapeutic or prophylactic indication for anticoagulation. Kahale L.A. et al. 2017. Cochrane Database of Systematic Reviews,2017(12), CD006466. (PubMed)<\/p>\n<hr \/>\n<p><a href=\"http:\/\/ebm.bmj.com\/\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1611 alignleft\" src=\"https:\/\/blogs.bmj.com\/bmjebmspotlight\/files\/2018\/01\/Picture3.png\" alt=\"\" width=\"215\" height=\"286\" \/><\/a><strong>BMJ <a href=\"http:\/\/ebm.bmj.com\/\">Evidence-Based Medicine<\/a> &#8211;\u00a0original evidence-based research, insights and opinions on what matters for health care.<\/strong><\/p>\n<p>BMJ EBM accepts submissions of a wide range of article types, including original research, debate, analysis &amp; opinion, and clinical spotlight.<\/p>\n<p>Read more about BMJ EBM content in the\u00a0<a href=\"http:\/\/ebm.bmj.com\/content\/early\/2018\/01\/24\/bmjebm-2018-110906\">Welcome to BMJ Evidence-Based Medicine Editorial<\/a>.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><strong>\u00a0<\/strong><\/p>\n<p><strong>\u00a0<\/strong><strong>\u00a0<\/strong><strong>\u00a0<\/strong><\/p>\n<hr \/>\n<p>Carl Heneghan is<a href=\"http:\/\/www.phc.ox.ac.uk\/team\/researchers\/carl-heneghan\">\u00a0Professor of EBM<\/a>\u00a0at the University of Oxford,<a href=\"http:\/\/www.cebm.net\/\">\u00a0Director of CEBM<\/a>\u00a0and Editor in Chief of BMJ EBM<\/p>\n<p><em>Follow on twitter\u00a0<a href=\"https:\/\/twitter.com\/carlheneghan?lang=en\">@carlheneghan<\/a><\/em><\/p>\n<p><b>Competing interests<\/b><\/p>\n<p>Carl has received expenses and fees for his media work including BBC Inside Health. He holds grant funding from the NIHR, the NIHR School of Primary Care Research, The Wellcome Trust and the WHO. He has also received income from the publication of a series of toolkit books published by Blackwells. CEBM jointly runs the\u00a0<a title=\"\" href=\"http:\/\/evidencelive.org\/\">EvidenceLive<\/a>\u00a0Conference with the BMJ and the\u00a0<a title=\"\" href=\"http:\/\/www.preventingoverdiagnosis.net\/\">Overdiagnosis Conference<\/a>\u00a0with some international partners which are based on a\u00a0 non-profit model.<strong>\u00a0<\/strong><!--TrendMD v2.4.8--><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Each week our editors select from over 100 journals reliable and useful evidence summarised in BMJ Evidence-Based Medicine. Carl Heneghan, Editor in Chief There&#8217;s a lot of research at the moment on blood pressure and what\u2019s the right target to treat too.\u00a0 A JAMA systematic review looked at mortality and cardiovascular disease across blood pressure [&#8230;]<\/p>\n<p><a class=\"btn btn-secondary understrap-read-more-link\" href=\"https:\/\/blogs.bmj.com\/bmjebmspotlight\/2018\/02\/01\/evidence-watch-bmj-ebm\/\">Read More&#8230;<\/a><\/p>\n","protected":false},"author":1,"featured_media":1619,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[14374,14388],"tags":[],"class_list":["post-1622","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-carl-heneghan","category-evidence-watch"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Evidence Watch: BMJ EBM\u00a0 \u00a0 \u00a0 \u00a0 - BMJ EBM Spotlight<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blogs.bmj.com\/bmjebmspotlight\/2018\/02\/01\/evidence-watch-bmj-ebm\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Evidence Watch: BMJ EBM\u00a0 \u00a0 \u00a0 \u00a0 - BMJ EBM Spotlight\" \/>\n<meta property=\"og:description\" content=\"Each week our editors select from over 100 journals reliable and useful evidence summarised in BMJ Evidence-Based Medicine. Carl Heneghan, Editor in Chief There&#8217;s a lot of research at the moment on blood pressure and what\u2019s the right target to treat too.\u00a0 A JAMA systematic review looked at mortality and cardiovascular disease across blood pressure [...]Read More...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/blogs.bmj.com\/bmjebmspotlight\/2018\/02\/01\/evidence-watch-bmj-ebm\/\" \/>\n<meta property=\"og:site_name\" content=\"BMJ EBM Spotlight\" \/>\n<meta property=\"article:published_time\" content=\"2018-02-01T23:25:19+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2018-02-09T14:00:36+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/blogs.bmj.com\/bmjebmspotlight\/files\/2018\/01\/Picture1-2.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"380\" \/>\n\t<meta property=\"og:image:height\" content=\"250\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"BMJ\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"BMJ\" \/>\n\t<meta name=\"twitter:label2\" content=\"Estimated reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/bmjebmspotlight\\\/2018\\\/02\\\/01\\\/evidence-watch-bmj-ebm\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/bmjebmspotlight\\\/2018\\\/02\\\/01\\\/evidence-watch-bmj-ebm\\\/\"},\"author\":{\"name\":\"BMJ\",\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/bmjebmspotlight\\\/#\\\/schema\\\/person\\\/ba3da426ed20e8f1d933ca367d8216fe\"},\"headline\":\"Evidence Watch: BMJ EBM\u00a0 \u00a0 \u00a0 \u00a0\",\"datePublished\":\"2018-02-01T23:25:19+00:00\",\"dateModified\":\"2018-02-09T14:00:36+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/bmjebmspotlight\\\/2018\\\/02\\\/01\\\/evidence-watch-bmj-ebm\\\/\"},\"wordCount\":583,\"publisher\":{\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/bmjebmspotlight\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/bmjebmspotlight\\\/2018\\\/02\\\/01\\\/evidence-watch-bmj-ebm\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/blogs.bmj.com\\\/bmjebmspotlight\\\/files\\\/2018\\\/01\\\/Picture1-2.jpg\",\"articleSection\":[\"Carl Heneghan\",\"Evidence Watch\"],\"inLanguage\":\"en-GB\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/bmjebmspotlight\\\/2018\\\/02\\\/01\\\/evidence-watch-bmj-ebm\\\/\",\"url\":\"https:\\\/\\\/blogs.bmj.com\\\/bmjebmspotlight\\\/2018\\\/02\\\/01\\\/evidence-watch-bmj-ebm\\\/\",\"name\":\"Evidence Watch: BMJ EBM\u00a0 \u00a0 \u00a0 \u00a0 - 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