{"id":63074,"date":"2022-03-21T11:10:45","date_gmt":"2022-03-21T17:10:45","guid":{"rendered":"https:\/\/www.uchealth.org\/today\/?p=63074"},"modified":"2024-07-29T14:59:23","modified_gmt":"2024-07-29T20:59:23","slug":"creating-medical-grade-app-to-monitor-blood-pressure-on-mobile-phone","status":"publish","type":"post","link":"https:\/\/www.uchealth.org\/today\/creating-medical-grade-app-to-monitor-blood-pressure-on-mobile-phone\/","title":{"rendered":"Creating a medical-grade app to monitor blood pressure on your mobile phone"},"content":{"rendered":"<div style=\"margin-top: 0px; margin-bottom: 0px;\" class=\"sharethis-inline-share-buttons\" ><\/div><figure id=\"attachment_63092\" aria-describedby=\"caption-attachment-63092\" style=\"width: 344px\" class=\"wp-caption alignright\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-63092\" src=\"https:\/\/uchealth-wp-uploads.s3.amazonaws.com\/wp-content\/uploads\/sites\/6\/2022\/03\/21110018\/Riva-BP-Angle-2-1xtiny-e1648224523841.webp\" alt=\"Riva Health\u2019s system promises to take medical-grade blood-pressure readings using a mobile phone and use frequent measurements to vastly improve blood pressure management. Image courtesy of Riva Health.\" width=\"344\" height=\"800\" srcset=\"https:\/\/uchealth-wp-uploads.s3.amazonaws.com\/wp-content\/uploads\/sites\/6\/2022\/03\/21110018\/Riva-BP-Angle-2-1xtiny-e1648224523841.webp 344w, https:\/\/uchealth-wp-uploads.s3.amazonaws.com\/wp-content\/uploads\/sites\/6\/2022\/03\/21110018\/Riva-BP-Angle-2-1xtiny-e1648224523841-129x300.webp 129w, https:\/\/uchealth-wp-uploads.s3.amazonaws.com\/wp-content\/uploads\/sites\/6\/2022\/03\/21110018\/Riva-BP-Angle-2-1xtiny-e1648224523841-65x150.webp 65w, https:\/\/uchealth-wp-uploads.s3.amazonaws.com\/wp-content\/uploads\/sites\/6\/2022\/03\/21110018\/Riva-BP-Angle-2-1xtiny-e1648224523841-200x465.webp 200w\" sizes=\"auto, (max-width: 344px) 100vw, 344px\" \/><figcaption id=\"caption-attachment-63092\" class=\"wp-caption-text\">Riva Health\u2019s system promises to take medical-grade blood-pressure readings using a mobile phone and use frequent measurements to vastly improve blood pressure management. Image courtesy of Riva Health.<\/figcaption><\/figure>\n<p>Search on \u201cheart rate monitor\u201d in the Google Play store or Apple\u2019s App Store and you\u2019ll find dozens of apps capable of taking your pulse.<\/p>\n<p>Do the same on \u201cblood pressure monitor\u201d and you\u2019ll find a bunch of apps, too. But it doesn\u2019t take much fine-print reading to see that none actually record your blood pressure \u2013 they\u2019re all just data trackers for systolic and diastolic numbers coming from a traditional blood pressure cuff. That\u2019s despite blood pressure measurements generally being far more consequential to one\u2019s health \u2013 and despite the fact that the standard approach of having one\u2019s arm noosed hasn\u2019t changed in 125 years.<\/p>\n<p>Tracking blood pressure using the standard tools on a smartphone \u2013 specifically, the flash\u2019s bright light and a camera \u2013 turns out to be much, much harder than sensing the blunt-force emanations of a pulsing human heart.<\/p>\n<p>There is at least one app out there that looks to be able to do it, though you won\u2019t find it online just yet. Its creators at startup <a id=\"\" href=\"https:\/\/www.rivahealth.com\/\" target=\"_blank\" rel=\"noopener\">Riva Health<\/a> are hard at work with the <a href=\"https:\/\/www.uchealth.org\/innovation\/portfolios\/\">UCHealth Care Innovation Center<\/a> to develop much more than just another download. The aim is to harness the near-ubiquitous enabling technology of the smartphone to take and record frequent, highly accurate blood-pressure (and, yes, heart rate) measurements without the cuff. Those measurements will in turn enable a consistent, day-in-day-out program \u2013 one involving both artificial intelligence and real, live human medical experts \u2013 capable of managing patients\u2019 blood pressure far more quickly and precisely than is typical right now.<\/p>\n<p>It could be a huge deal. <a href=\"https:\/\/www.uchealth.org\/provider\/richard-zane-md-emergency-medicine\/\">Dr. Richard Zane<\/a>, the CU School of Medicine Emergency Medicine chair as well as UCHealth\u2019s chief innovation officer, describes hypertension \u2013 high blood pressure \u2013 as having an \u201cexponential impact\u201d on human health because of its complicity in so many other states of disease: heart attacks, strokes, aneurysms, heart failure, eye damage, kidney damage, metabolic syndrome, dementia, the list goes on. And high blood pressure is alarmingly common. In the United States, 116 million people \u2013 <a id=\"\" href=\"https:\/\/millionhearts.hhs.gov\/data-reports\/hypertension-prevalence.html\" target=\"_blank\" rel=\"noopener\">nearly half<\/a> the adult population \u2013 have high blood pressure; only about 20% of them have it under control.<\/p>\n<p>\u201cA billion people on this planet have hypertension,\u201d Zane said. \u201cHalf to two-thirds are not properly managed.\u201d<\/p>\n<figure id=\"attachment_2907\" aria-describedby=\"caption-attachment-2907\" style=\"width: 300px\" class=\"wp-caption alignright\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2907 size-medium\" src=\"https:\/\/uchealth-wp-uploads.s3.amazonaws.com\/wp-content\/uploads\/sites\/6\/1970\/01\/28144726\/EXT_070716_Richard20Zane.webp\" alt=\"A photo of Dr. Richard Zane\" width=\"300\" height=\"200\" srcset=\"https:\/\/uchealth-wp-uploads.s3.amazonaws.com\/wp-content\/uploads\/sites\/6\/1970\/01\/28144726\/EXT_070716_Richard20Zane.webp 600w, https:\/\/uchealth-wp-uploads.s3.amazonaws.com\/wp-content\/uploads\/sites\/6\/1970\/01\/28144726\/EXT_070716_Richard20Zane-300x200.webp 300w, https:\/\/uchealth-wp-uploads.s3.amazonaws.com\/wp-content\/uploads\/sites\/6\/1970\/01\/28144726\/EXT_070716_Richard20Zane-150x100.webp 150w, https:\/\/uchealth-wp-uploads.s3.amazonaws.com\/wp-content\/uploads\/sites\/6\/1970\/01\/28144726\/EXT_070716_Richard20Zane-200x133.webp 200w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-2907\" class=\"wp-caption-text\">Dr. Richard Zane, UCHealth chief innovation officer and professor and chair of Emergency Medicine at the CU School of Medicine.<\/figcaption><\/figure>\n<h2><strong>Mobile-phone-based blood-pressure sensing software<\/strong><\/h2>\n<p>Riva counts among 16 <a id=\"\" href=\"https:\/\/www.uchealth.org\/innovation\/portfolios\/\" target=\"_blank\" rel=\"noopener\">partners<\/a> the UCHealth Care Innovation Center has on a roster of companies specializing in areas ranging from data science and artificial intelligence, digital patient experience, personalized medicine, virtual and augmented reality tools, wearables, and virtual health. Those partners are the precious metals mined from more than 700 proposals Zane and colleagues have vetted in the past three-and-a-half years. UCHealth and Care Innovation Center partner <a id=\"\" href=\"https:\/\/www.cuanschutz.edu\/cu-innovations\" target=\"_blank\" rel=\"noopener\">CU Innovations<\/a> together invested $5 million in Riva in an opening, $15.5 million funding round announced in March 2021. Most of the local money came from UCHealth, and it put Zane on the startup\u2019s board.<\/p>\n<p>This would appear a sizable bet for a new company with nascent technology, but there\u2019s more to the story. Cofounder and PhD bioengineer Tuhin Sinha had been leading the development of the mobile-phone-based blood-pressure sensing software for the better part of five years under the aegis of Vital Labs. The software analyzes the blood pressure waveform detectable via a finger placed on the cell phone camera for 20 to 30 seconds, about the same amount of time it takes using a cuff (they\u2019re shooting for 10 to 20 seconds, Sinha says). By the time Zane downloaded the app to his phone a few months ago, the system was well-proven. His initial reaction: \u201cWow \u2013 this actually works.\u201d<\/p>\n<p>Sinha\u2019s cofounder was another risk mitigator. Dag Kittlaus is a serial entrepreneur best known for cofounding the company that created Siri, later to be bought by Apple to soothe and inform untold billions with her AI-powered voice. Kittlaus, a rare survivor of pancreatic cancer, wanted to channel his energies into a promising health care play. He grilled Sinha on everything from the technology to the business plan. His satisfaction blossomed into enthusiasm and he signed on as Riva\u2019s CEO.<\/p>\n<h2><strong>Monitoring programs for a blood pressure app<\/strong><\/h2>\n<p>While the idea of achieving medical-grade blood pressure readings using a nonmedical device already in billions of pockets seems like the big story, Riva\u2019s leaders and Zane now seem much more interested in the potential of the monitoring programs this technological leap looks to enable.<\/p>\n<p>The alarming shortcomings of current blood-pressure management regimens boil down to intermittency. While at-home cuffs and apps to track blood pressure over time do exist, a minority of those with high blood pressure are dedicated users. It\u2019s a hassle, and even if you have the measurements, it often takes a doctor visit to make adjustments. The vast majority of hypertension patients only get their blood pressure taken when actually at the doctor\u2019s office anyway. The physician then adjusts the meds and sends the patient off again until the next appointment.<\/p>\n<figure id=\"attachment_63094\" aria-describedby=\"caption-attachment-63094\" style=\"width: 200px\" class=\"wp-caption alignleft\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-63094 size-medium\" src=\"https:\/\/uchealth-wp-uploads.s3.amazonaws.com\/wp-content\/uploads\/sites\/6\/2022\/03\/21110718\/Tuhin-Sinhatiny.webp\" alt=\"Riva Health cofounder Tuhin Sinha. Photo courtesy of Riva Health.\" width=\"200\" height=\"300\" srcset=\"https:\/\/uchealth-wp-uploads.s3.amazonaws.com\/wp-content\/uploads\/sites\/6\/2022\/03\/21110718\/Tuhin-Sinhatiny.webp 667w, https:\/\/uchealth-wp-uploads.s3.amazonaws.com\/wp-content\/uploads\/sites\/6\/2022\/03\/21110718\/Tuhin-Sinhatiny-200x300.webp 200w, https:\/\/uchealth-wp-uploads.s3.amazonaws.com\/wp-content\/uploads\/sites\/6\/2022\/03\/21110718\/Tuhin-Sinhatiny-100x150.webp 100w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><figcaption id=\"caption-attachment-63094\" class=\"wp-caption-text\">Riva Health cofounder Tuhin Sinha. Photo courtesy of Riva Health.<\/figcaption><\/figure>\n<p>\u201cThe patient disappears, and that period is relatively opaque,\u201d Sinha said.<\/p>\n<p>Riva\u2019s goal is to turn this staggered process \u2013 one that can take weeks or months to get blood pressure under control \u2013 into a continuous flow of care. If checking one\u2019s blood pressure becomes as easy as scrolling Instagram (and much less time-consuming), one can do so several times a day. Rather than a single giant pixel delivered occasionally through a cuff, an accumulation of data points starts to paint a picture that renderers more sharply and more quickly. Sinha believes Riva patients will have their initial blood pressure back under control in days rather than weeks or months, and that ongoing monitoring will keep it under much better control.<\/p>\n<p>\u201cWe want to take these clinical measurements in real-time, and we\u2019ll have clinical staff monitoring it real-time. It becomes intensive cardiovascular-disease management between visits as opposed to just reacting when a patient has chest pain,\u201d Sinha said.<\/p>\n<h2><strong>\u2018Technology-enabled care\u2019<\/strong><\/h2>\n<p>To Zane, Riva Health \u201cdemocratizes blood-pressure management\u201d while fitting perfectly into a UCHealth\u2019s innovation portfolio aiming to employ AI and other technologies to combine virtual health (Zane prefers the term \u201ctechnology-enabled care\u201d because of misperceptions that virtual health is something less than \u201creal\u201d health care) with in-person care to enable UCHealth and others to more effectively and efficiently take care of people.<\/p>\n<p>\u201cI want doctors only making doctor-level decisions, and the same with nurses and techs,\u201d he said. \u201cI want technology to make it easier, not harder; faster, not slower; and to move us down the path of least resistance.\u201d<\/p>\n<p>Riva\u2019s blood-pressure monitoring program would handle the basic blocking and tackling of blood-pressure management, he says, leaving the trickier clinical calls to UCHealth physicians. UCHealth is pursuing similar efforts in lipid management, diabetes, and wound care, Zane adds, and initiatives in <a href=\"https:\/\/www.uchealth.org\/today\/virtual-health-adds-another-level-of-safety-benefitting-patients\/\">virtual health<\/a> and <a href=\"https:\/\/www.uchealth.org\/today\/remote-patient-monitoring-sticker-gets-vitals-from-home\/\">remote patient monitoring<\/a> follow a similar playbook.<\/p>\n<p>The UCHealth-Riva Health partnership \u2013 which Sinha described as \u201ca great opportunity with a world-class institution\u201d \u2013 goes beyond financial investment. Two clinical trials aim to prove Riva&#8217;s and Zane&#8217;s belief that high-frequency remote blood-pressure monitoring will pay dividends in terms of patient well-being and care efficiency. Zane is confident that it will \u2013 and that Riva and others are helping move health care in the right direction. UCHealth will begin piloting the app in two clinical practices within the next month or two, Zane said.<\/p>\n<p>\u201cI think this is emblematic about what is going to happen \u2013 and should happen \u2013 across many disease states,\u201d Zane said.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Search on \u201cheart rate monitor\u201d in the Google Play store or Apple\u2019s App Store and you\u2019ll find dozens of apps capable of taking your pulse. Do the same on \u201cblood pressure monitor\u201d and you\u2019ll find a bunch of apps, too. But it doesn\u2019t take much fine-print reading to see that none actually record your blood [&hellip;]<\/p>\n","protected":false},"author":23,"featured_media":63089,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_relevanssi_hide_post":"","_relevanssi_hide_content":"","_relevanssi_pin_for_all":"","_relevanssi_pin_keywords":"","_relevanssi_unpin_keywords":"","_relevanssi_related_keywords":"","_relevanssi_related_include_ids":"","_relevanssi_related_exclude_ids":"","_relevanssi_related_no_append":"","_relevanssi_related_not_related":"","_relevanssi_related_posts":"","_relevanssi_noindex_reason":"","footnotes":""},"categories":[5],"tags":[82],"class_list":["post-63074","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-innovative-care","tag-heart-and-vascular-care-cardiology"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.4 (Yoast SEO v27.4) - 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