{"id":733,"date":"2013-10-02T21:52:49","date_gmt":"2013-10-02T20:52:49","guid":{"rendered":"https:\/\/blogs.bmj.com\/adc\/?p=733"},"modified":"2013-10-02T21:59:52","modified_gmt":"2013-10-02T20:59:52","slug":"debating_devices","status":"publish","type":"post","link":"https:\/\/blogs.bmj.com\/adc\/2013\/10\/02\/debating_devices\/","title":{"rendered":"Debating devices"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignleft\" alt=\"\" src=\"http:\/\/www.sudburyshrineclub.com\/images\/EOS%20imaging.jpg\" width=\"125\" height=\"188\" \/> It&#8217;s really hard to persuade people that devices need evaluation like drugs do. This might be to do with the physical nature of a device: after all, if you can see the new cannula attachment, or special breathing mask, you know what it&#8217;s doing and what it must be making. Or it might be in the immediate satisfaction of a result, seeing the saturations rise or the respiratory rate decrease. Or it might be in the overwhelming common sense of the physiology\/biomechanics\/clinicopathological reasoning. But whatever the cause, it&#8217;s really tricky to have such things evaluated.<br \/>\n<!--more--><br \/>\nThere&#8217;s a device which takes special weight-bearing X-rays of the spine for scoliosis assessment, and provides fewer x-rays than a CT scanner. It&#8217;s terribly expensive. And the evaluations which have been undertaken of it are &#8230;troublesome. They establish neatly its technical success, but don&#8217;t go on to assess if it actually makes a difference to patients [<a title=\"Systematic review of EOS\" href=\"http:\/\/link.springer.com\/article\/10.1007\/s00586-012-2469-7\">1<\/a>] Of course, the failure to use patient-important outcomes and an obsession with measuring the measurable is not exclusive to x-ray machines or devices [<a title=\"Idolatry of the surrogate\" href=\"http:\/\/www.bmj.com\/content\/343\/bmj.d7995\">2<\/a>] \u00a0but we really should remember to be increasingly cautious the more we move away from a <a href=\"https:\/\/blogs.bmj.com\/adc\/2010\/03\/10\/what-would-jack-want\/\">real-person outcom<\/a>e and the closer we get to a machine-read outcome.<\/p>\n<p>&#8211; Archi<!--TrendMD v2.4.8--><\/p>\n","protected":false},"excerpt":{"rendered":"<p>It&#8217;s really hard to persuade people that devices need evaluation like drugs do. This might be to do with the physical nature of a device: after all, if you can see the new cannula attachment, or special breathing mask, you know what it&#8217;s doing and what it must be making. Or it might be in [&#8230;]<\/p>\n<p><a class=\"btn btn-secondary understrap-read-more-link\" href=\"https:\/\/blogs.bmj.com\/adc\/2013\/10\/02\/debating_devices\/\">Read More&#8230;<\/a><\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[79],"tags":[],"class_list":["post-733","post","type-post","status-publish","format-standard","hentry","category-archimedes"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Debating devices - ADC Online Blog<\/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\/adc\/2013\/10\/02\/debating_devices\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Debating devices - ADC Online Blog\" \/>\n<meta property=\"og:description\" content=\"It&#8217;s really hard to persuade people that devices need evaluation like drugs do. This might be to do with the physical nature of a device: after all, if you can see the new cannula attachment, or special breathing mask, you know what it&#8217;s doing and what it must be making. 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