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Achieve Optimal Chest Compressions Fraction for Lifesaving CPR

June 03, 2024

Achieving a high Chest Compression Fraction (CCF) is crucial for effective cardiopulmonary resuscitation (CPR). CCF refers to the percentage of time spent performing chest compressions during a resuscitation attempt. 

Studies show that maintaining a high CCF—ideally 80% or more—significantly increases the chances of survival in cardiac arrest cases. However, in real-life emergencies, maintaining continuous compressions can be challenging due to interruptions like switching rescuers, administering breaths, or using a defibrillator. 

So, no matter if you’re a healthcare provider or a CPR enthusiast, understanding how to optimize CCF could be the key to saving lives.

Therefore, this article will provide practical tips on how to minimize these interruptions, improve teamwork, and use tools effectively to ensure a high CCF. 

What is Chest Compression Fraction (CCF)

Chest Compression Fraction (CCF) is a measurement used in CPR (Cardiopulmonary Resuscitation) that shows the percentage of time chest compressions are being performed during a resuscitation attempt. Essentially, it indicates how much of the total time is spent actively compressing the chest, rather than pausing for other actions like ventilation or defibrillation. 

A higher CCF means that more time is dedicated to compressions, which is critical for maintaining blood flow to the brain and heart. In order to be effective during a cardiac arrest, rescuers should perform a chest compression fraction (CCF) of at least 80%, as analysts of the studies proposed.

This is due to the fact that constant chest compression allows blood to be pumped around a person’s body leading to higher chances of survival during a heart attack.

It is important to limit unnecessary breaks and speed up time taken between the different steps in order to attain a higher CCF.

Importance of High Chest Compression Fraction

Your ability to keep a high Chest Compression Fraction (CCF) can greatly impact a patient’s chances of survival during cardiac arrest. 

Performing CPR in places like the emergency room, a patient’s room, out in the field, or in a speeding ambulance, maintaining a high CCF is crucial. It boosts the patient’s likelihood of survival. But by how much? Let’s find out:

A meta-analysis examined the records of nearly 13,000 patients in the US and Canada to study survival and discharge rates. The patients, mostly men with an average age of 68, had suffered an out-of-hospital cardiac arrest (OHCA) before emergency medical services (EMS) arrived. 

When EMS reached them, some of these patients showed shockable heart rhythms, while others did not. The analysis of their medical records revealed the following findings (NIH.gov):

  • The average Chest Compression Fraction (CCF) recorded was 74%, showing that there is an understanding of the need for a high CCF, even though it didn’t quite reach the recommended 80%.
  • About 25.6% of patients achieved Return of Spontaneous Circulation (ROSC), meaning their heart started beating again.
  • Only 2.4% of patients survived to be discharged from the hospital, a result consistent with other studies on out-of-hospital cardiac arrest (OHCA) when bystanders don’t start CPR with an AED.
  • Although a higher CCF increased the chances of achieving ROSC, it did not lead to more patients surviving to be discharged.

Keep in mind that the data also includes patients who started with non-shockable rhythms. Studies have shown that patients with initial shockable rhythms are 200-300% more likely to survive an in-hospital cardiac arrest (IHCA).

For out-of-hospital cardiac arrest (OHCA), research from Biomedcentral.com found a 7.1% survival rate to discharge for those with shockable rhythms, compared to just 0.4% for non-shockable rhythms.

Another smaller study of 126 adult patients looked at CPR quality from an emergency team in a tertiary care hospital, focusing on how Chest Compression Fraction (CCF) affected the return of spontaneous circulation (ROSC) during IHCA. The average CCF was 78%, similar to previous findings. Patients who achieved ROSC had a higher average CCF (80%) than those who didn’t (75%), and higher CCF was linked to better outcomes. Patients with shockable rhythms were more likely to have a high CCF (81% or above).

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How to Achieve High Chest Compression Fraction

Using the right technique is essential for achieving a high chest compression fraction (CCF) during CPR. The success of CPR depends a lot on how well chest compressions are done and how smoothly different tasks are carried out during the resuscitation process. 

Following established protocols and using best practices helps rescuers optimize CCF, which increases the chances of a successful outcome for patients. So, how can you achieve a high chest compression fraction?

Let’s look at the key parts of the proper technique for achieving a high CCF:

1. Minimize Interruptions

To keep chest compressions continuous, practice giving them with as few pauses as possible. Other Advanced Cardiovascular Life Support (ACLS) tasks, like assessments and setting up equipment, are also important. However, you can work on completing these tasks quickly and accurately, both as an individual and as a team.

You can reduce interruptions during team member changes or non-clinical tasks by planning ahead and practicing with your team. Make sure everyone understands their role and follows the same plan.

This plan should focus on evidence-based decision-making that you can memorize and recall easily. This way, you can make quick decisions without wasting time. A great way to improve decision-making skills is through a CPR Certification course, where you can practice handling different emergency scenarios.

2. Use Effective Communication

Effective communication during CPR is important for maintaining a high chest compression fraction. Establishing clear roles within the team helps ensure that everyone knows when to start and stop compressions, minimizing any unnecessary interruptions. 

One interesting aspect of this teamwork is that having a designated “compressor” and “ventilator” can streamline the process, allowing the compressor to focus solely on delivering high-quality compressions. 

Research shows that using a pre-defined rhythm or counting aloud can synchronize the team’s actions, making transitions smoother and reducing pauses. 

This technique not only enhances coordination but also keeps everyone motivated and focused, significantly improving the chances of a successful resuscitation.

3. Practice High-Quality Compressions

To achieve effective chest compressions during CPR, it’s important to perform them deeply and at the right rate. The compressions should be about 2 inches deep and delivered at a speed of 100 to 120 compressions per minute. 

For example, think of the rhythm of “Stayin’ Alive” by the Bee Gees, which matches the ideal compression pace. Focusing on these details helps pump blood effectively to vital organs, increasing the chances of survival for someone in cardiac arrest. 

It’s crucial to let the chest fully recoil between compressions, as this allows the heart to refill with blood and ensures each compression is as effective as possible.

4. Incorporate Automated External Defibrillator (AED) Early

Incorporating an Automated External Defibrillator (AED) early during a cardiac arrest can significantly improve survival rates. The AED analyzes the heart’s rhythm and can deliver a shock if necessary, allowing the heart to potentially regain a normal rhythm. 

For example, if a bystander witnesses someone collapse and immediately grabs the nearby AED, they can start using it within minutes. This quick action ensures that the patient receives critical defibrillation without long delays, which is essential because the chances of survival decrease by about 10% for every minute that passes without defibrillation. 

Interestingly, AEDs are designed to be user-friendly, with voice prompts guiding users through the steps, making it possible for untrained bystanders to effectively assist in emergencies.

5. Monitor Compression Depth and Rate

Monitoring compression depth and rate is important for effective CPR. Using feedback devices, if available, can help rescuers know if they are pushing hard enough and at the right speed. 

These devices provide real-time information about how deep and fast the compressions are, helping to ensure that they meet the recommended guidelines of compressing at a depth of about 2 inches and at a rate of 100 to 120 compressions per minute. 

This feedback can improve the quality of CPR, making it more likely to restore blood flow and increase the chances of survival for the person in cardiac arrest.

6. Optimize Rescuer Fatigue Management

During CPR, it’s crucial to manage rescuer fatigue, as it can significantly impact the quality of chest compressions. 

Studies show that after just two minutes of continuous compressions, the effectiveness can drop significantly due to fatigue, with one study noting a decline in compression depth by nearly 20% after five minutes of effort

To combat this, rescuers should rotate every two minutes, allowing each person to rest while maintaining continuous compressions. 

By doing so, the team can ensure high-quality compressions are sustained, maximizing the chances of survival for the patient.

7. Use a CPR Board or Firm Surface

Performing CPR on a firm surface or using a CPR board can significantly enhance the effectiveness of chest compressions. When compressions are delivered on a soft surface, like a bed or couch, the force exerted can compress the surface instead of the chest, resulting in ineffective compressions. 

A CPR board provides a stable platform, allowing rescuers to deliver deeper and more consistent compressions, which are vital for circulating blood effectively during cardiac arrest.

An interesting aspect of CPR is that the body’s natural response to a lack of oxygen can temporarily protect vital organs. During cardiac arrest, the body prioritizes blood flow to the heart and brain, reducing circulation to other areas. 

This survival mechanism can buy time for rescuers to perform CPR effectively, making the quality of those compressions even more critical for improving the chances of survival.

8. Consider Mechanical Compression Devices

Using mechanical compression devices can significantly improve the effectiveness of chest compressions during CPR. These devices provide consistent and high-quality compressions without tiring, ensuring that the patient receives the best possible care. 

For instance, the LUCAS device is a popular mechanical compression system. It automatically delivers continuous compressions at the recommended rate and depth, allowing medical professionals to focus on other critical aspects of resuscitation, such as airway management and defibrillation.

In a real-world scenario, during a cardiac arrest in a hospital, a team using the LUCAS device was able to maintain high-quality compressions while simultaneously preparing the defibrillator and administering medications. 

This approach resulted in better overall performance and improved patient outcomes. The use of such devices demonstrates how technology can enhance CPR efforts and save lives.

9. Educate and Train Regularly

Regular education and training are vital for ensuring that CPR teams perform effectively during emergencies. Participating in simulation exercises helps team members practice their roles, improve their skills, and build confidence in high-pressure situations. 

These sessions allow rescuers to refine their techniques, learn from mistakes, and understand the importance of teamwork during a resuscitation attempt.

Opting for a CPR certification course provides essential knowledge and hands-on experience, making it easier for individuals to respond effectively when it matters most. 

Such courses cover the latest guidelines and techniques, ensuring that participants are well-prepared to save lives.

10. Keep an Eye on Time

Keeping track of time during CPR is essential to ensure effective compressions and timely interventions. Using a timer helps maintain a clear structure for the resuscitation effort. 

For instance, if one rescuer is responsible for compressions and another for ventilations, they can set a timer for every two minutes. This interval allows them to switch roles efficiently, ensuring that compressions are consistent and high-quality throughout the resuscitation process.

In a real-life scenario, consider a team responding to a cardiac arrest case in a public space. A timer helps them stay focused, preventing unnecessary delays. If a rescuer notices fatigue or a dip in compression quality, the timer serves as a reminder to switch roles promptly, keeping the flow of compressions steady and maximizing the chances of survival for the patient.

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Take Action to Save Lives Today

Maintaining a high Chest Compression Fraction (CCF) is essential for successful CPR and significantly impacts survival rates in cardiac arrest situations. Following the tips outlined—minimizing interruptions, using a team approach, mastering rapid transitions, practicing efficient airway management, and implementing feedback devices—can enhance your resuscitation efforts. Regular training and practice will help improve these skills, ensuring a seamless and effective response when every second counts. Remember, a high CCF leads to better blood flow, increasing the chances of reviving a person in distress. Continuous improvement and commitment to these techniques make a real difference in saving lives. So, stay prepared and confident, as your actions during an emergency can have a lasting impact on someone’s life.devices into CPR practice can enhance the quality of care provided during emergencies.

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