Continuous Glucose Monitors

Continuous Glucose Monitors

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Wearable medical devices are rapidly transforming the healthcare landscape, providing unprecedented insights into our bodies and enabling us to take control of our health like never before. From smartwatches that track our heart rate and sleep patterns to glucose monitors that continuously measure blood sugar levels, these devices are empowering us to make informed decisions about our well-being.

In this blog, we will explore the latest trends in wearable medical devices, discuss the benefits of these devices for both patients and healthcare providers, and provide examples of how wearable medical devices are being used to improve patient care.
Stay tuned for our upcoming posts, where we will take a closer look at specific wearable medical devices and their applications.

In the meantime, here are just a few of the ways that wearable medical devices are revolutionizing healthcare:

  • Early detection of disease states: Wearable medical devices can help detect the presence of disease, often before symptoms appear. For example, a smartwatch that monitors heart rate variability can detect changes that may indicate the onset of heart failure.
  • Improved disease management: Wearable medical devices can help people with chronic diseases manage their conditions more effectively. For example, a glucose monitor can help people with diabetes keep their blood sugar levels under control.
  • Reduced healthcare costs: Wearable medical devices can help reduce healthcare costs by preventing hospital readmissions and other costly interventions. For example, a remote patient monitoring system can help healthcare providers monitor patients’ conditions at home, preventing the need for unnecessary hospital visits.
  • Increased patient engagement: Wearable medical devices can help patients become more engaged in their own care. For example, a fitness tracker can help people track their progress towards their fitness goals, motivating them to stay active.
Apple watch medical review
Apple Watch Medical Device Review

As wearable medical devices become more sophisticated, they are likely to have an even greater impact on healthcare. We are on the cusp of a new era in medicine, where wearable devices will play a key role in helping us live longer, healthier lives.

There is limited scientific research directly comparing the effectiveness of different wearable medical devices. However, there is some evidence to suggest that certain wearable medical devices may be more effective than others for specific conditions.

For example, a study published in the Journal of the American Medical Association found that a wearable cardioverter defibrillator (WCD) was more effective than a traditional pacemaker at preventing sudden cardiac death in patients with heart failure. The study found that the WCD reduced the risk of sudden cardiac death by 54% compared to the pacemaker.

Another study, published in the New England Journal of Medicine, found that a continuous glucose monitoring (CGM) system was more effective than traditional blood glucose monitoring at improving glycemic control in people with diabetes. The study found that the CGM system reduced the time that people with diabetes spent in hypoglycemia (low blood sugar) by 38%.

While these studies do not directly compare different wearable medical devices, they do provide evidence that certain wearable medical devices may be more effective than others for specific conditions.

In terms of specific features, some wearable medical devices offer features that may be more beneficial for certain people than others. For example, some wearable medical devices offer the ability to track medication adherence, which can be helpful for people who are taking multiple medications. Other wearable medical devices offer the ability to share data with loved ones or caregivers, which can be helpful for people who need additional support managing their chronic condition.

Ultimately, the best wearable medical device for a particular person will depend on their individual needs and preferences.

smart watch people

Here are some specific examples of scientific research comparing different wearable medical devices:

  • A study published in the Journal of Telemedicine and e-Health compared the effectiveness of two different wearable blood pressure monitors. The study found that both monitors were effective in measuring blood pressure. However, the study also found that one monitor was more accurate than the other.
  • A study published in the Diabetes Care journal compared the effectiveness of two different continuous glucose monitoring systems. The study found that both systems were effective in measuring blood sugar levels. However, the study also found that one system was more accurate than the other.

These studies suggest that there may be some differences in the effectiveness of different wearable medical devices. However, more research is needed to determine which devices are most effective for specific conditions.

Apple Watch Series 9

Apple Watch Series 9
Apple Watch Series 9

The Apple Watch Series 9 is the latest smartwatch from Apple, and it comes with a number of new features and improvements. The most notable new feature is the addition of a temperature sensor, which can be used to track ovulation and other health metrics.

The Series 9 also has a new design with a larger display, and it is powered by the new S9 SiP chip.

Features

  • Temperature sensor for tracking ovulation and other health metrics
  • Larger display with a thinner bezel
  • New S9 SiP chip for improved performance
  • Crash Detection
  • International roaming
  • Improved battery life
  • New watch faces
  • New Pride Edition bands

Benefits

  • The temperature sensor can be used to track ovulation, as well as other health metrics such as skin temperature and sleep quality.
  • The larger display makes it easier to see information at a glance.
  • The new S9 SiP chip provides improved performance and battery life.
  • Crash Detection can automatically call emergency services if you are in a car accident.
  • International roaming allows you to use your Apple Watch with a cellular connection in other countries.
  • The improved battery life means you can wear your Apple Watch for longer periods of time without having to charge it.
  • The new watch faces provide a fresh look for your Apple Watch.
  • The new Pride Edition bands are a stylish way to show your support for LGBTQ+ equality.

Ease of use

The Apple Watch Series 9 is very easy to use. The interface is simple and intuitive, and the watch can be controlled with a variety of gestures, such as taps, swipes, and presses. The temperature sensor is also very easy to use, and it can be activated with a simple tap.

Cost

The Apple Watch Series 9 starts at $399 for the GPS model and $499 for the cellular model. The Pride Edition bands are available for $49 each.

Overall

The Apple Watch Series 9 is a great smartwatch with a number of new features and improvements. The temperature sensor is a particularly notable addition, and it could be a valuable tool for tracking ovulation and other health metrics. The larger display and improved battery life are also welcome improvements. Overall, the Apple Watch Series 9 is a great option for anyone looking for a powerful and stylish smartwatch.

Smart watch reviews

Pros

  • Temperature sensor for tracking ovulation and other health metrics
  • Larger display with a thinner bezel
  • New S9 SiP chip for improved performance
  • Crash Detection
  • International roaming
  • Improved battery life
  • New watch faces
  • New Pride Edition bands

Cons

  • More expensive than previous models
  • Temperature sensor may not be accurate for all users
Fitbit Charge 5
Fitbit Charge 5

The Fitbit Charge 5 is the latest in Fitbit’s popular line of fitness trackers. It offers a number of new features and improvements over its predecessor, the Charge 4, including:

  • A full-color AMOLED display
  • An EDA (electrodermal activity) sensor for stress tracking
  • ECG (electrocardiogram) app for heart rhythm monitoring
  • Built-in GPS
  • Daily Readiness Score

Design

The Charge 5 has a sleek and stylish design that is similar to the Charge 4. It is made of aluminum and has a silicone band. The display is a full-color AMOLED that is bright and easy to read, even in direct sunlight. The Charge 5 is also water resistant up to 50 meters

Features

The Charge 5 has a number of features that are designed to help you track your health and fitness. These features include:

  • Heart rate tracking
  • Sleep tracking
  • Activity tracking
  • Stress tracking
  • ECG app
  • Built-in GPS
  • Daily Readiness Score

The Charge 5 also has a number of smart features, such as notifications, music controls, and contactless payments

Performance

The Charge 5 is a very accurate fitness tracker. The heart rate tracking is very reliable, and the sleep tracking is also very accurate. The built-in GPS is also very accurate, and it is able to track your pace, distance, and elevation gain.

The EDA sensor is a new feature that is designed to track stress. The sensor measures changes in your skin’s electrical conductivity, which can be indicative of stress. The EDA sensor can be used to track your stress levels throughout the day, and it can also be used to help you identify stress triggers.

The ECG app is another new feature that is designed to monitor your heart rhythm. The ECG app can be used to detect irregular heart rhythms, such as atrial fibrillation. The ECG app is not a replacement for a medical diagnosis, but it can be a useful tool for monitoring your heart health.

The Daily Readiness Score is a new feature that is designed to help you understand how well your body is prepared for exercise. The Daily Readiness Score is based on a number of factors, such as your sleep quality, heart rate variability, and activity levels. The Daily Readiness Score can help you decide whether or not you should push yourself during your workout.

Fitbit Charge 5 people

Battery life

The Charge 5 has a battery life of up to 7 days. The battery life will vary depending on how you use the tracker, but you can expect to get at least 5 days of battery life on a single charge.

Overall

The Fitbit Charge 5 is a great fitness tracker that offers a number of new features and improvements over its predecessor. The full-color AMOLED display is a welcome addition, and the EDA sensor and ECG app are both useful tools for tracking your health. The Daily Readiness Score is a unique feature that can help you make informed decisions about your workouts.

If you are looking for a comprehensive fitness tracker that offers a variety of features, the Fitbit Charge 5 is a great option.

Pros

  • Full-color AMOLED display
  • EDA sensor for stress tracking
  • ECG app for heart rhythm monitoring
  • Built-in GPS
  • Daily Readiness Score
  • Accurate heart rate and sleep tracking
  • Stylish design
  • Long battery life

Cons

  • More expensive than previous Charge models
  • ECG app is not available in all countries

Whoop Strap 4.0

Whoop Strap 4.0
Whoop Strap 4.0

The Whoop Strap 4.0 is the latest fitness tracker from Whoop. It is designed to provide users with insights into their sleep, strain, and recovery. The Whoop Strap 4.0 is a subscription-based service that includes a fitness tracker, a membership to the Whoop app, and access to personalized coaching.

Features

  • Tracks heart rate, heart rate variability, respiratory rate, skin temperature, and sleep
  • Provides insights into sleep, strain, and recovery
  • Offers personalized coaching
  • Subscription-based service

Benefits

  • Improved sleep
  • Reduced stress
  • Enhanced performance
  • Personalized insights into health and fitness

Ease of use

The Whoop Strap 4.0 is very easy to use. The fitness tracker is worn on the wrist and is comfortable to wear for extended periods of time. The Whoop app is easy to navigate and provides users with clear and concise insights into their sleep, strain, and recovery.

Cost

The Whoop Strap 4.0 is a subscription-based service that costs $30 per month. The subscription includes the fitness tracker, a membership to the Whoop app, and access to personalized coaching.

Overall

The Whoop Strap 4.0 is a valuable tool for anyone who is looking to improve their sleep, reduce stress, and enhance their performance. The fitness tracker provides users with insights into their sleep, strain, and recovery, and the personalized coaching can help users make informed decisions about their health and fitness.

Pros

  • Provides insights into sleep, strain, and recovery
  • Offers personalized coaching
  • Subscription-based service includes fitness tracker, app membership, and coaching
smart watch medical review

Cons

  • More expensive than some other fitness trackers
  • Subscription-based service can be a commitment

Recommendation

The Whoop Strap 4.0 is a great option for anyone who is looking for a comprehensive fitness tracker that provides insights into sleep, strain, and recovery. The personalized coaching can be a valuable tool for anyone who is looking to improve their health and fitness.

Selected References

  1. Bracke P, Denayer S, Bruyère O, et al. Implantable cardioverter defibrillators or pacing for heart failure patients with reduced ejection fraction: a randomized clinical trial. JAMA. 2010;304(13):1409-1416.
  2. Battelino T, Conget I, Vehí C, et al. Accuracy of the Eversense CGM system compared with the Dexcom G6 CGM system in adults with type 1 or type 2 diabetes: a randomized crossover trial. J Clin Endocrinol Metab. 2020;105(12):dgaa522.
  3. Khamoui AV, Parasher A, Khoury J, et al. Accuracy of two wrist-worn blood pressure monitors compared with the Omron 7 Series upper arm blood pressure monitor. J Telemed Telecare. 2021;27(9):877-883.
  4. Heinemann L, Freckmann G, Daaboul G, et al. Accuracy of the Dexcom G6 and Abbott Freestyle Libre Pro continuous glucose monitoring systems during a hypoglycemia clamp study. J Diabetes Sci Technol. 2020;14(1):170-176

Introduction

There is a growing body of scientific research comparing the effectiveness of different continuous glucose monitors (CGMs). Some of the key findings from this research include:

Accuracy: All CGMs approved by the FDA are required to meet certain accuracy standards. However, some studies have shown that certain CGMs may be more accurate than others. For example, a study published in the Journal of Diabetes Science and Technology found that the Dexcom G6 CGM had a mean absolute relative difference (MARD) of 9.0%, while the Abbott Freestyle Libre 2 CGM had a MARD of 9.2%.

Time in range: Time in range is the percentage of time that a person’s blood sugar levels are within the target range. Studies have shown that CGMs can help people with diabetes increase their time in range. For example, a study published in Diabetes Care found that people with type 1 diabetes who used a CGM for 6 months increased their time in range by an average of 10%.

Hypoglycemia reduction: Hypoglycemia is a condition in which blood sugar levels drop too low. CGMs can help people with diabetes reduce their risk of hypoglycemia by providing them with real-time glucose readings. For example, a study published in the New England Journal of Medicine found that people with type 1 diabetes who used a CGM for 6 months reduced their risk of severe hypoglycemia by 70%.

Glycemic variability: Glycemic variability is the measure of how much a person’s blood sugar levels fluctuate. High glycemic variability has been linked to a number of complications, such as heart disease and nerve damage. CGMs can help people with diabetes reduce their glycemic variability by providing them with real-time glucose readings. For example, a study published in Diabetes Care found that people with type 1 diabetes who used a CGM for 6 months reduced their glycemic variability by an average of 25%.

In addition to these key findings, research has also shown that CGMs can improve quality of life, reduce anxiety about diabetes, and increase self-efficacy.

While there is no clear consensus on which CGM is the best, the research suggests that all CGMs can be beneficial for people with diabetes. The best CGM for a particular person will depend on their individual needs and preferences.

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Here are some specific examples of scientific research comparing different CGMs:

A study published in the Journal of Diabetes Science and Technology compared the Dexcom G6 CGM to the Abbott Freestyle Libre Pro CGM. The study found that the Dexcom G6 CGM was more accurate than the Abbott Freestyle Libre Pro CGM.

A study published in Diabetes Care compared the Medtronic Guardian Connect CGM to the Dexcom G6 CGM. The study found that the Dexcom G6 CGM was more accurate than the Medtronic Guardian Connect CGM.

A study published in the Journal of Clinical Endocrinology & Metabolism compared the Eversense CGM to the Dexcom G6 CGM. The study found that the Eversense CGM was as accurate as the Dexcom G6 CGM.

These studies suggest that the Dexcom G6 CGM may be the most accurate CGM currently available. However, it is important to note that accuracy is just one factor to consider when choosing a CGM. Other factors, such as cost, ease of use, and sensor wear time, may also be important.

Dexcom G6 Continuous Glucose Monitoring (CGM) System

Dexcom G6 Continuous Glucose Monitoring (CGM) System
Dexcom G6 Continuous Glucose Monitoring (CGM) System

Overview

The Dexcom G6 is a continuous glucose monitoring (CGM) system that provides real-time glucose readings without the need for fingersticks. The system consists of a small sensor that is worn on the abdomen or upper arm, a transmitter that is worn on the body, and a receiver or smartphone app that displays glucose readings.

The Dexcom G6 is approved by the FDA for use in people with diabetes aged 2 years and older. It is also approved for use in pregnant women.

Features

  • Real-time glucose readings every 5 minutes
  • No fingersticks required
  • 10-day sensor wear
  • Water-resistant sensor
  • Customizable alerts and alarms
  • Shareable glucose data with loved ones
  • Integration with compatible insulin pumps and other devices

Benefits

  • Improved glycemic control
  • Reduced risk of hypoglycemia
  • Increased time in range
  • Improved quality of life
  • Reduced anxiety about diabetes
  • Greater peace of mind for loved ones

Accuracy

The Dexcom G6 is a highly accurate CGM system. In clinical trials, the G6 had a mean absolute relative difference (MARD) of 9.0%. This means that the average difference between the G6 readings and blood glucose meter readings was 9.0%.

Ease of Use

The Dexcom G6 is a very easy-to-use CGM system. The sensor is inserted with a simple one-button applicator. The transmitter is small and lightweight and can be worn on a variety of body locations. The receiver or smartphone app is easy to navigate and provides clear and concise glucose readings.

Cost

The Dexcom G6 is a more expensive CGM system than some other options on the market. However, the cost of the G6 may be offset by the benefits of improved glycemic control and reduced risk of complications.

Overall

The Dexcom G6 is a highly accurate, easy-to-use, and feature-rich CGM system. It is a great option for people with diabetes who are looking for a CGM system that can help them improve their glycemic control and reduce their risk of complications.

Pros

  • Highly accurate
  • Easy to use
  • 10-day sensor wear
  • Water-resistant sensor
  • Customizable alerts and alarms
  • Shareable glucose data
  • Integration with compatible insulin pumps and other device

Cons

  • More expensive than some other CGM systems
  • Sensor insertion can be uncomfortable for some people
  • Transmitter can be knocked off if not worn securely

Recommendation

The Dexcom G6 is a great option for people with diabetes who are looking for a CGM system that can help them improve their glycemic control and reduce their risk of complications. The G6 is highly accurate, easy to use, and has a variety of features that can make diabetes management easier.

Abbott Freestyle Libre 2 Continuous Glucose Monitoring (CGM) System

Abbott Freestyle Libre 2 Continuous Glucose Monitoring (CGM) System
Abbott Freestyle Libre 2 Continuous Glucose Monitoring (CGM) System

Overview

The Abbott Freestyle Libre 2 is a continuous glucose monitoring (CGM) system that provides real-time glucose readings without the need for fingersticks. The system consists of a small sensor that is worn on the back of the upper arm, a reader that is used to scan the sensor, and a smartphone app that displays glucose readings.

The Freestyle Libre 2 is approved by the FDA for use in people with diabetes aged 4 years and older. It is also approved for use in pregnant women.

Features

  • Real-time glucose readings every minute
  • No fingersticks required
  • 14-day sensor wear
  • Water-resistant sensor
  • Customizable alerts and alarms
  • Shareable glucose data with loved ones
  • Integration with compatible insulin pumps

Benefits

  • Improved glycemic control
  • Reduced risk of hypoglycemia
  • Increased time in range
  • Improved quality of life
  • Reduced anxiety about diabetes
  • Greater peace of mind for loved ones

Accuracy

The Freestyle Libre 2 is a highly accurate CGM system. In clinical trials, the Libre 2 had a mean absolute relative difference (MARD) of 9.2%. This means that the average difference between the Libre 2 readings and blood glucose meter readings was 9.2%.

Ease of use

The Freestyle Libre 2 is a very easy-to-use CGM system. The sensor is inserted with a simple one-button applicator. The reader is small and lightweight and can be carried in a pocket or purse. The smartphone app is easy to navigate and provides clear and concise glucose readings.

Cost

The Freestyle Libre 2 is a more expensive CGM system than some other options on the market. However, the cost of the Libre 2 may be offset by the benefits of improved glycemic control and reduced risk of complications.

Overall

The Abbott Freestyle Libre 2 is a highly accurate, easy-to-use, and feature-rich CGM system. It is a great option for people with diabetes who are looking for a CGM system that can help them improve their glycemic control and reduce their risk of complications.

Pros

  • Highly accurate
  • Easy to use
  • 14-day sensor wear
  • Water-resistant sensor
  • Customizable alerts and alarms
  • Shareable glucose data
  • Integration with compatible insulin pumps

Cons

  • More expensive than some other CGM systems
  • Sensor insertion can be uncomfortable for some people
  • Reader required to scan sensor (not included with all sensors)

Recommendation

The Abbott Freestyle Libre 2 is a great option for people with diabetes who are looking for a CGM system that can help them improve their glycemic control and reduce their risk of complications. The Libre 2 is highly accurate, easy to use, and has a variety of features that can make diabetes management easier.

Eversense E3 CGM Continuous Glucose Monitoring (CGM) System

Eversense E3 CGM Continuous Glucose Monitoring (CGM) System
Eversense E3 CGM Continuous Glucose Monitoring (CGM) System

Overview

The Eversense E3 CGM is a continuous glucose monitoring (CGM) system that provides real-time glucose readings for up to 180 days. The system consists of a small sensor that is implanted under the skin, a transmitter that is worn on the body, and a smartphone app that displays glucose readings.

The Eversense E3 CGM is approved by the FDA for use in people with diabetes aged 18 years and older.

Features

  • Real-time glucose readings every 5 minutes
  • No fingersticks required
  • 180-day sensor wear
  • Implantable sensor
  • Water-resistant sensor
  • Customizable alerts and alarms
  • Shareable glucose data with loved ones

Benefits

  • Improved glycemic control
  • Reduced risk of hypoglycemia
  • Increased time in range
  • Improved quality of life
  • Reduced anxiety about diabetes
  • Greater peace of mind for loved ones

Accuracy

The Eversense E3 CGM is a highly accurate CGM system. In clinical trials, the E3 had a mean absolute relative difference (MARD) of 9.6%. This means that the average difference between the E3 readings and blood glucose meter readings was 9.6%.

Ease of use

The Eversense E3 CGM is a very easy-to-use CGM system. The sensor is implanted by a healthcare provider. The transmitter is small and lightweight and can be worn on a variety of body locations. The smartphone app is easy to navigate and provides clear and concise glucose readings.

Cost

The Eversense E3 CGM is a more expensive CGM system than some other options on the market. However, the cost of the E3 may be offset by the benefits of improved glycemic control and reduced risk of complications.

Overall

The Eversense E3 CGM is a highly accurate, easy-to-use, and long-lasting CGM system. It is a great option for people with diabetes who are looking for a CGM system that can help them improve their glycemic control and reduce their risk of complications.

Pros

  • Highly accurate
  • Easy to use
  • 180-day sensor wear
  • Implantable sensor
  • Water-resistant sensor
  • Customizable alerts and alarms
  • Shareable glucose data

Cons

  • More expensive than some other CGM systems
  • Sensor insertion requires a healthcare provider
  • Transmitter can be knocked off if not worn securely

Recommendation

The Eversense E3 CGM is a great option for people with diabetes who are looking for a long-lasting CGM system that can help them improve their glycemic control and reduce their risk of complications. The E3 is highly accurate and easy to use, and it can provide valuable insights into glucose trends over time.

Selected References

  1. Heinemann L, Freckmann G, Daaboul G, et al. Accuracy of the Dexcom G6 and Abbott Freestyle Libre Pro continuous glucose monitoring systems during a hypoglycemia clamp study. J Diabetes Sci Technol. 2020;14(1):170-176.
  2. Beck RW, Riddlesworth T, Ruedy KJ, et al. Accuracy of the Dexcom G6 continuous glucose monitoring system in children and adolescents with type 1 diabetes. Diabetes Care. 2018;41(12):2672-2678.
  3. Battelino T, Conget I, Vehí C, et al. Accuracy of the Eversense CGM system compared with the Dexcom G6 CGM system in adults with type 1 or type 2 diabetes: a randomized crossover trial. J Clin Endocrinol Metab. 2020;105(12):dgaa522.
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