{"id":13246,"date":"2020-01-15T16:00:02","date_gmt":"2020-01-15T16:00:02","guid":{"rendered":"https:\/\/www.onlinecprcertification.net\/blog\/?p=13246"},"modified":"2025-04-28T04:35:51","modified_gmt":"2025-04-28T04:35:51","slug":"the-uom-discovered-a-new-cpr-method","status":"publish","type":"post","link":"https:\/\/www.onlinecprcertification.net\/blog\/the-uom-discovered-a-new-cpr-method\/","title":{"rendered":"The UoM Discovered a New CPR Method: We Track Improvements in The Quality of Chest Compressions in terms of Rate &#038; Depth to see its Significance"},"content":{"rendered":"\n<p><strong>Improving the Quality of Chest Compressions in Cardiopulmonary Resuscitation<\/strong><\/p>\n\n\n\n<p>Cardiac arrest calls for an emergency first aid procedure known as Cardiopulmonary resuscitation (CPR).<\/p>\n\n \n\n<p>Cardiopulmonary\nresuscitation works by restarting the natural process of blood transport in\nthe circulatory system.\nThis allows for oxygenated blood to reach essential organ systems.<\/p>\n\n\n\n<!--more-->\n\n\n\n<p>CPR first aid\nemploys the use of chest compressions as well as mouth to nose\/mouth assisted\nbreathing. <\/p>\n\n\n\n<p>Past studies have agreed that the quality of these chest compressions matter particularly as regards to the number of compressions per minute (or rate) and how deep these chest compressions should go.<p\/><n\/>\n<p> In light of these past studies, the University of Minnesota embarked on a study titled <I>Optimal Combination of Compression Rate and Depth During Cardiopulmonary Resuscitation for Functionally Favorable Survival.<\/I><\/p>\n\n\n\n<p>The study intended\nto find ways to determine the best depth-rate combination that could improve\nthe effectiveness of <a href=\"https:\/\/www.onlinecprcertification.net\/free-course.php?id=2&amp;page=1&amp;cid=93&amp;type=ch\">chest compression CPR in\noutside-hospital patient<\/a>\nsurvival and recovery.<\/p>\n\n\n\n<p>We trace back related studies and\nefforts to improve the rate-depth quality of chest compression CPR to see the\nsignificance of this new study by the University of Minnesota Medical School.<\/p>\n\n\n\n<p>But first, let\u2019s understand what cardiac\narrest is and how chest compressions in CPR can help its victims.<\/p>\n\n\n\n<p><strong>What is Cardiac Arrest?<\/strong><\/p>\n\n\n\n<p>Sudden cardiac arrest\nis the medical term that defines the stopping of the heart\u2019s normal activity of\ntransporting blood to all areas of the body. When a remedy is not applied\nquickly, death may occur within a short time.<\/p>\n\n\n\n<p>Cardiac arrest can\nhappen suddenly or after certain medical manifestations. It must be detected\nquickly. When it occurs, the victim may survive with minimal or no organ and\ntissue injury.<\/p>\n\n\n\n<p>Cardiac arrest can happen due to a chain of certain influences. The principal origins of the ailment include atrial fibrillation and ventricular fibrillation.<\/p>\n\n\n \n\n\n<p>Atrial fibrillation\nis where the atria is deprived of regular flow action. An irregular heartbeat\noccurs when the sinoatrial node is unable to produce the electrical signal to\ninitiate heart contractions.<\/p>\n\n\n\n<p>Ventricular\nfibrillation is when the two lower chambers are derived from normal flow\naction. This deteriorates the blood supply mechanism of the heart. Blood\ntransfer to vital organ systems is affected and, in certain instances, it may\nhalt completely.<\/p>\n\n\n\n<p>Between the two\ncauses, ventricular fibrillation is the leading cause of most incidents of\ncardiac arrest. Since it is characterized by a quivering violent movement of\nthe ventricles, blood transport occurs insufficiently.<\/p>\n\n\n\n<p>In the US alone,\nabout 370,000 incidents occur within a year. These cases often occur away from\na medical center or hospital. This means that many people may suffer an arrest\nwhen they are just going on with normal activities such as working, sleeping, or\ntraveling. <\/p>\n\n\n\n<p><strong>What are Chest Compressions in CPR?<\/strong><\/p>\n\n\n\n<p>Cardiopulmonary\nResuscitation is a form of emergency first aid for cardiac arrest victims. <a href=\"https:\/\/www.onlinecprcertification.net\/blog\/cpr-and-first-aid-the-best-lifesaving-combination-around\/\">It is applied to a person who is\nunresponsive and has agonal breathing<\/a>. This form of respiration is not correct breathing since it does not\nsupply enough oxygen to vital organs such as the brain.<\/p>\n\n\n\n<p>When it comes to\ngiving CPR, time is a crucial factor. It should begin as soon as possible until\nthe paramedics arrive or the victim regains consciousness.&nbsp; Seconds can determine if a person will\nsurvive or not.<\/p>\n\n\n\n<p>Cardiopulmonary\nresuscitation works by restarting the natural process of blood transport in the\ncirculatory system. This allows for oxygenated blood to reach essential organ\nsystems.<\/p>\n\n\n\n<p>CPR first aid\nemploys the use of chest compressions as well as mouth to nose\/mouth assisted\nbreathing. <\/p>\n\n\n\n<p>Compressions help\nto restart the action of blood circulation. This is applied with the victim laying\non their back. <\/p>\n\n\n\n<p>Next, the lifesaver\nshould interlock their fingers and press on the sternum area up almost two\ninches inside. The pressure is then released to allow the chest to rise. The\ncompressions should go on uninterrupted and include almost a hundred pushes per\nminute.<\/p>\n\n\n\n<p><strong>How Deep and How Fast We Conduct CPR Chest Compressions Impacts Cardiac Arrest Survival<\/strong><\/p>\n\n\n\n<p>The number of compressions per minute and the depth at which a lifesaver\nadministers chest compressions determines whether they save and revive a\ncardiac arrest victim; these were according to the findings of a 2015 study by\na UT Southwestern Emergency Medicine Medical.<\/p>\n\n\n\n<p>The report contradicted a popular practice when it indicated that chest\ncompressions deeper than 5.5 centimeters reduced the chances of survival, probably\nbecause going that deep caused harm to other body organs.<\/p>\n\n\n\n<p>Earlier, studies and instructions insisted that deeper chest pushes were\nmore effective. Back in 2010, the AHA\u2019s 2010 Cardiopulmonary Resuscitation\ninstructions suggested pushing the chest about 5 centimeters deep but gave no\ntop figure.<\/p>\n\n\n\n<p>According to Professor Ahamed Idris of UT Southwestern, it takes a lot\nof pressure to go 5 centimeters deep that chances are high a lifesaver could\nharm a victims internal organs.<\/p>\n\n\n\n<p>&nbsp;&#8220;Many people do not consider\nthat one must use a significant amount of force to push the chest down 5 cm\ndeep. We are talking around 60 lbs. of pressure, and this could go up depending\non the surrounding or knowledge of the bystander.&#8221;<\/p>\n\n\n\n<p>The researchers also sought to investigate the optimal number of\ncompressions per minute (or rate) to ensure survival. <\/p>\n\n\n\n<p>And after considering all other aspects, they found 100 to 120\ncompressions per minute as the optimal rate for survival.<\/p>\n\n\n\n<p>UT Southwestern also found that nearly 50 percent of candidates were\nissuing chest compressions faster than expected, 1\/3 of this group exceeded 120\npushes per minute, and 1\/5 went above 140 pushes per minute.<\/p>\n\n\n\n<p>In the end these two separate studies concluded that;<\/p>\n\n\n\n<p>Whether a cardiac arrest victim survives depends on the on the quality\nof the Cardiopulmonary Resuscitation issued. These two factors; (1) the number\nof compressions per minute and (2) the depth of compressions, are excellent\nways to improve the quality of CPR and increase cardiac arrest survival rates.<\/p>\n\n\n\n<p>It is also from the above studies and other related investigations that\nthat the University of Minnesota developed their new CPR method. Find out\neverything you need to know about it.<\/p>\n\n\n\n<p><strong>A Look into University of Minnesota\u2019s New and Improved CPR <\/strong><\/p>\n\n\n\n<P>Recently, the University\nof Minnesota embarked on a study titled <em>Optimal Combination of\nCompression Rate and Depth during Cardiopulmonary Resuscitation for\nFunctionally Favorable Survival.<\/P>\n\n \n\n\n<p>The study intended to find ways to see if better chest compressions could improve the effectiveness of CPR.<br>\nHere\u2019s an overview of the study according to JAMA Cardiology;<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>Significance: <\/strong>PastCPR\nstudies have indicated thatthe number of compressions per minute (or\nrate) and the depth of chest compression are both linked to the chances of survival\nof outside-hospital cardiac arrest. But the ideal number of compressions per\nminute and the depth of the pushes are yet to be determined, more so as regards\nto factors like sex, age, sex, heart rhythm, and CPR device use.<\/li><\/ul>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>Goal<\/strong>:&nbsp;To determine the best possible rate-depth combination\nlinked to the best survival rates and to analyze whether the finding varies as\nregards to age, sex, heart rhythm, or CPR gadget use.<\/li><\/ul>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>Design, Setting, and Respondents:<\/strong>&nbsp;The group study\nrelied on data gathered from Jun. 2007 to Nov. 2009 during a National\nInstitutes of Health clinical tests registry of outside-hospital and in-patient\nemergency care provided by EMS systems operating in the US and Canada.<\/li><\/ul>\n\n\n\n<p>The\nsample size was 3640 victims of outside-hospital cardiac arrest and for whom rate\nand depth compressions had been concurrently recorded during the National\nInstitutes of Health clinical tests of an airway-opening CPR gadget. <\/p>\n\n\n\n<p>Sub-cohort\nstudies looked into variations such as age, sex, heart rhythm, and use of a CPR\ndevice. The data was analyzed between Sept. and Nov. 2018.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>Intervention:<\/strong>&nbsp;Practical outside-hospital cardiac\narrest <a href=\"https:\/\/www.aed.us\/blog\/aed-info\/the-american-heart-association-changes-their-guidelines-for-2019\/\">interventions that comply with the coexisting American\nHeart Association rules<\/a> as well as use of the CPR device in 50 percent of the\nvictims.<\/li><\/ul>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>Outcomes<\/strong>: The best possible rate-depth combination\nlinked to higher survival chances in general and by sex, age, cardiac rhythm,\nand CPR device use.<\/li><\/ul>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>Results and significance:<\/strong>&nbsp;The results recommend\ncompressions 4.7 cm deep and up to 107 chest compressions per minute linking\nthe combination to considerably increased outside-hospital cardiac arrest\noutcomes. The findings call for further studies and proof.<\/li><\/ul>\n\n\n\n<p>The University of Minnesota\u2019s study investigated150 US and Canadian EMS agencies. The studied\nfocused on over 3600 outside-hospital cardiac arrest victims.<\/p>\n\n\n\n<p>Chest compression\nrate for CPR was being recorded as part of a clinical test conducted by the National\nInstitute of Health\u2019s Resuscitation Outcomes Consortium, with a cardiopulmonary\nresuscitation gadget known as the&nbsp;impedance\nthreshold device (ITD). <\/p>\n\n\n\n<p>This study is also\nunique and significant because it is the first test that involved\nelectronically documented results from multiple centers showing the number of\ncompressions per minute and the depth of compression.<\/p>\n\n\n\n<p>The study found\nthat the best outcomes are experienced when CPR starts and continues for 5\nminutes at around 107 compressions per minute and goes around 4.7 cm deep.<\/p>\n\n\n\n<p>This optimal\ncombination stays the same for victims of all ages, sexes, regardless of the\nheart rhythm and whether or not any CPR gadget that opens the airway was used. <\/p>\n\n\n\n<p>Using a device did\nnot offer any better survival advantages as long as the depth-rate combination\nremained ideal. <\/p>\n\n\n\n<p>The researchers\nruled the outcome by checking the revival of the neurological function after a\nCPR-rescued cardiac arrest. <\/p>\n\n\n\n<p>Another noteworthy\nfinding was that administering cardiopulmonary resuscitation at 80 to 100\npercent of this optimal combination led to a 6 percent survival rate with undamaged\nbrain function, compared to 4 percent if the ideal combination wasn\u2019t followed.<\/p>\n\n\n\n<p>While the range does\nnot look quite significant; it could mean rescuing thousands of cardiac arrest\nvictims if implemented considering the 300 000 outside-hospital cases. This is\nenough motivation to prompt the acceptance of this new CPR method worldwide.<\/p>\n\n\n\n<p>This study is an improvement fromprevious investigations that sought to find the best\nrate-depth combination. <\/p>\n\n\n\n<p>Most of the studies\nagreed that the ideal chest compressions lies somewhere between100 to 120\npushes per minute could better survival rates and reduce the risk of brain\ndamage. Every attempt has come up with their optimal ranges for better results.<\/p>\n\n\n\n<p>But depth is also a\nconcern when it comes to giving chest compressions. The study team referred to previous\nresearch on the depth and compressions\/minute in male, females, individuals of\ndifferent ages, and victims who waited longer for cardiopulmonary resuscitation\nafter a sudden cardiac arrest. <\/p>\n\n\n\n<p>The University of\nMinnesota\u2019s research team considered the above factors before coming up with\nthis new CPR method.<\/p>\n\n\n\n<p>Paul Pepe, one of\nthe research experts referred to the findings as \u201ccritical new knowledge\u201d that\ndoes not only stress the significance of best CPR practices but\nmay also lead to <a href=\"https:\/\/www.onlinecprcertification.net\/blog\/a-bystanders-guide-to-telling-when-victims-need-cpr\/\">the rescue of more victims<\/a>.<\/p>\n\n\n\n<p>The research relied\non CPR data carried out on over 3640 people who suffered outside-hospital\ncardiac arrest with a CPR gadget known as impedance threshold device (ITD) that\nminimizes chest pressure and increases the return of the blood in the veins to\nthe heart.<\/p>\n\n\n\n<p>The respondents\nwere trained to use the gadget using sophisticated airway techniques or a face\nmask while issuing chest compression and ventilation per the AHA\u2019s instructions.<\/p>\n\n\n\n<p>These included\naround 80-100 compressions every minute, a 4 to 6 centimeter depth and 10 pressure-breaths\nevery minute, to attain around about 600 mL tidal volume.<\/p>\n\n\n\n<p>These results may\nnow need to be proven by further research. What\u2019s more, the studies should\ninvolve other Emergency medical services in areas other than the US and Canada\nto ascertain its worldwide validity.<\/p>\n\n\n\n<p><strong>Limitations of the University of Minnesota\u2019s study<\/strong><\/p>\n\n\n\n<p>The results of\nthe UoM\u2019s research team may not apply globally. There\u2019s the need to conduct\nmore studies to prove and modify these findings because some factors may change\nmoving forward.<\/p>\n\n\n\n<p>It also\nincluded Emergency Medical Services Systems with seemingly veteran 911 agencies\nand monitored outside-hospital cardiac arrest cases registered with the NIH Resuscitation\nOutcome Consortium executive and therefore may not represent other cases.<\/p>\n\n\n\n<p>But even if the\nfindings only applied to a group of EMS service providers that are well trained\nin rescuing operations and are keen quality CPR, these factors should only\nbetter the outcome and not dispute the validity of these results.<\/p>\n\n\n\n<p>Again, CPR was\nnot always issued optimally. Focusing on rescuers with instructions to issue\ncompressions at the, 80-100 compressions\/minute and a depth of 4-6 centimeters may\nas well be termed as selection partiality. <\/p>\n\n\n\n<p>But past\nstudies have alsoindicated that even with optimal rate of\ncompressions, the depth of the chest pushes may not be accurate or the reverse.\n<\/p>\n\n\n\n<p>The study also\nsought to investigate the best possible rate-depth combination and find out\nwhether the target changed by age, sex, heart rhythm, or the use of an airway-opening\ndevice.<\/p>\n\n\n\n<p>Over 50 percent\nof the patients were found to be in the rate-depth grids beyond a worked-out ideal\ntarget combination range of 20 percent, and an entire 80 percent of the participants\ndid not appear in the four most occupied survivor grids.<\/p>\n\n\n\n<p>Furthermore,\nmany patients in general received rate-depth combinations way below what was\ndefined by this study to be the optimal grid survivor areas.<\/p>\n\n\n\n<p>The study group\nalso featured victims who had synchronized recordings of rate and depth taken.\nThis group was taken from a larger group of candidates picked from clinical\ntests. Many times (almost 57 percent of the times) the rates and depths weren\u2019t\nmeasured at the same time within the stipulated 5-minute span or were not obtainable\ndue to technical issues. <\/p>\n\n\n\n<p>And while this\nmay also raise concerns of possible selection partiality, the new study group was\na representation of the full group when put side by side with the area-specific\nand clinical results of the initial clinical trial group.<\/p>\n\n\n\n<p>Another downside\nto the UoM\u2019s study was that it ignored or failed to consider the quality of recoil\nof the chest wall and it gathered no data (such as tidal volume, timing,\nfrequency and more) concerning the real function of the assisted ventilation.<\/p>\n\n\n\n<p>Yet past\nstudies have shown that all these pieces of data can impact the general\noutcomes and the ideal rate-depth combination mentioned in this research could change\nif the it included data related to wall recoil, compression fraction,\nventilatory parameters, as well as any other factors. <\/p>\n\n\n\n<p>However, if we\nconsider that that the current study group was well chosen, we can as well make\na reasonable assumption that the recoil and ventilatory factors were optimal\nand further improvement of these two would probably better the chances of survival\nchances even further when administering an optimal rate-depth combination. <\/p>\n\n\n\n<p>Nevertheless,\nthe researchers left these factors as focus metrics to collect and analyze to\nensure the best CPR practices and increase survival chances among cardiac\narrest victims.<\/p>\n\n\n\n<p><strong>Measurement &amp; Feedback is Critical in Achieving High-Quality Cardiopulmonary Resuscitation<\/strong><\/p>\n\n\n\n<p>So what next for\nthe future of CPR?<\/p>\n\n\n\n<p>It is popular\nbelief that survival rates of outside-hospital cardiac arrest have remained low\ndespite the popularity of emergency medical service (EMS) systems around the\nglobe.<\/p>\n\n\n\n<p>But that is not true\naccording to findings from recent studies by bodies like the NIH\u2019s\nResuscitation Outcomes Consortium and many other local studies in the US as\nwell as other countries. <\/p>\n\n\n\n<p>The truth is; survival from\noutside-hospital CPR has increased significantly. <\/p>\n\n\n\n<p>So, what are the similarities\nin the areas that record increased outside-hospital CPR survival rates? And\nwhat are some of the areas we can improve on\u2014based on previous results\u2014 to rescue\nmore victims?<\/p>\n\n\n\n<p>A major similarity in zones\nthat record better survival rates is that all of them insist on best CPR\npractices to ensure the best-quality cardiopulmonary resuscitation in\noutside-hospital victims by measuring what they are doing and making\nimprovements.<\/p>\n\n\n\n<p>The number of compressions\nper minute (or rate),&nbsp; depth of\ncompression, shock-pause duration, release velocity and the obtaining CPR feedback\nare all linked to better results and appear as focus points in may recent\nstudies .<\/p>\n\n\n\n<p>Regrettably, many rescue\nteams and bystander training institutions do not utilize these metrics to\nimprove their CPR even with an array of tech that makes the task hassle-free\nand affordable.<\/p>\n\n\n\n<p>Instead, many systems look\nfor excuses such as lack of capital or finances and lack of resources to\nmeasure these determinants of optimal CPR.<\/p>\n\n\n\n<p>We can\u2019t track progress and\nmake improvements if we don\u2019t measure performance. It is important that every\nEMS system measures the effectiveness of its CPR procedures and seek\nconstructive feedback to use in future improvements.<\/p>\n\n\n\n<p>Quality guarantee programs\nmust be viewed as useful tools and not a liability. Most EMS systems forget to\nplan for quality improvement which is why they view it as an extra unwanted\ncost and task.<\/p>\n\n\n\n<p>The future of cardiac\narrest study is full of new ideas and exploration into new policies focused on\nrefining <a href=\"https:\/\/www.onlinecprcertification.net\/blog\/everything-bystanders-should-remember-when-administering-cpr-to-adults\/\">outside-hospital cardiac arrest survival<\/a> but none of them will be useful without\nquality assessment and improvement.<\/p>\n\n\n\n<p>Without measurement\nand quality improvement, even the best of ideas will not realize the best\noutcomes. So let&#8217;s all lay emphasis on refining the quality of the cardiopulmonary\nresuscitation we give all over the world.<\/p>\n\n\n\n<p><strong>Conclusion<\/strong><\/p>\n\n\n\n<p>The seriousness of\nchest compressions and the frequency at which they were exerted make a significant\nimpact on the recovery and survival of a cardiac arrest victim. <\/p>\n\n\n\n<p>The study by the\nUniversity of Minnesota marks a significant change in the way CPR process but\nthat doesn\u2019t mean we cannot do further measurements to save more lives.<\/p>\n\n\n\n<p>Quality assessment\nand improvement should be a continuous process. In fact, any resuscitation\ngroup should have a development plan in mind from the start.<\/p>\n\n\n\n<p>Improving the\nquality of CPR is the best way to change the notion that outside-hospital CPR\nis ineffective in saving lives.<\/p>\n\n\n\n<p>All resuscitation\nbodies have a joint responsibility to improve the effectiveness of cardiopulmonary\nresuscitation.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Improving the Quality of Chest Compressions in Cardiopulmonary Resuscitation Cardiac arrest calls for an emergency first aid procedure known as Cardiopulmonary resuscitation (CPR). Cardiopulmonary resuscitation works by restarting the natural process of blood transport in the circulatory system. This allows for oxygenated blood to reach essential organ systems.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-13246","post","type-post","status-publish","format-standard","hentry","category-cpr"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.4 (Yoast SEO v25.4) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>The UoM Discovered a New CPR Method: We Track Improvements in The Quality of Chest Compressions in terms of Rate &amp; Depth to see its Significance<\/title>\n<meta name=\"description\" content=\"CPR blog for The UoM Discovered a New CPR Method: We Track Improvements in The Quality of Chest Compressions in terms of Rate &amp; Depth to see its Significance\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.onlinecprcertification.net\/blog\/the-uom-discovered-a-new-cpr-method\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The UoM Discovered a New CPR Method: We Track Improvements in The Quality of Chest Compressions in terms of Rate &amp; 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