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Release date 08/04/2008
Seventy-three million U.S. adults have high blood pressure and 24 million have diabetes. Of those populations, an estimated 65 percent do not have their high blood pressure under control and 44 percent do not have their diabetes under control.
Blood Pressure Monitors
High blood pressure is defined as a systolic (when the heart contracts) pressure of at least 140 millimeters of mercury or a diastolic (when the heart relaxes in between heartbeats) pressure of at least 90 millimeters of mercury recorded on at least two separate office visits, explained Marvin M. Lipman, M.D., chief medical adviser at Consumers Union, the nonprofit publisher of Consumer Reports. “Doctors today often recommend at-home monitoring to determine whether the condition is under control. But it’s critical to find an accurate monitor,” said Dr. Lipman, a practicing physician, board certified in internal medicine and endocrinology.
In May 2008, the American Heart Association and other medical groups announced in a statement that people with hypertension or suspected high blood pressure should routinely self-monitor. “At home testing can also be helpful to people who experience ‘white-coat hypertension,’ a spike in blood pressure that occurs only in the doctor’s office,” added Dr. Lipman.
To evaluate 16 different blood pressure monitors, CR obtained approximately 6,000 readings from 57 men and women and compared the results of the home monitors with those obtained by pairs of trained medical technicians who used a mercury sphygmomanometer, the standard instrument for recording accurate blood pressure readings.
Quick Picks: Top Blood Pressure Monitors
The CR tests included measurements of the models’ accuracy, and scores by panels of people who rated the devices’ ease of use and commented on various features. Consumer Reports found that four upper arm cuff blood pressure monitors were more accurate, overall, than wrist monitors. All four of the “excellent” rated automatic upper arm-type blood pressure monitors provide accurate blood pressure readings in about 30 seconds and can also detect an irregular heartbeat.
Although the Omron Women’s Advanced is marketed to women, it included a large size cuff and can also be used by men. The ReliOn is comfortable and has multiple user memories, but if a large cuff is needed, it must be purchased separately for about $10. The CVS also has multiple user memories, plus a blood pressure risk category indicator, and large and extra-large cuffs. The Omron HEM-711AC lacks those extras.
Blood Glucose Meters
With type 1 diabetes, the body loses its ability to make insulin, the hormone that helps convert sugar and other food into energy. With type 2 diabetes, the body makes relatively too little insulin and is also resistant to it.
“Blood glucose monitoring at home can help many diabetics maintain optimal sugar levels by allowing more frequent insulin adjustments and medication changes than just waiting for routine office visits,” said Orly Avitzur, M.D., medical adviser at Consumers Union and a practicing neurologist. “Choosing a meter that provides accurate and consistent readings is essential for many people with diabetes who need daily insulin injections,” added Dr. Avitzur. Inaccurate or inconsistent test results could possibly lead to too much or too little treatment including dangerously low blood sugar levels.
Quick Picks: Best Blood Glucose Meters
To test blood glucose meters’ accuracy and consistency, CR contracted with an outside laboratory to test 13 devices against a standard laboratory test using blood samples from diabetic volunteers. To test the meters’ ease of use, CR engaged lay and expert panelists with diabetes to use and score each glucose monitor for size, speed, memory, and whether test strips required users to enter codes before testing.
While the OneTouch was the only blood glucose meter receiving an excellent rating overall, the Ascensia and Accu-Chek were rated very good choices as was the ReliOn. All four models delivered readings in about 5 seconds. The Ascensia and the ReliOn can store hundreds more glucose readings than the OneTouch and upload them to a computer. (A newer version of the OneTouch that is just being introduced to the market is said to have additional memory and uploading capability.) The Ascensia and Accu-Chek models automatically code test strips.
How to Choose a Self-Test Kit
Consumer Reports is a nonprofit membership organization that works side by side with consumers to create a fairer, safer, and healthier world. For 80 years, CR has provided evidence-based product testing and ratings, rigorous research, hard-hitting investigative journalism, public education, and steadfast policy action on behalf of consumers’ interests. Unconstrained by advertising or other commercial influences, CR has exposed landmark public health and safety issues and strives to be a catalyst for pro-consumer changes in the marketplace. From championing responsible auto safety standards, to winning food and water protections, to enhancing healthcare quality, to fighting back against predatory lenders in the financial markets, Consumer Reports has always been on the front lines, raising the voices of consumers.
© 2008 Consumer Reports. The material above is intended for legitimate news entities only; it may not be used for advertising or promotional purposes. Consumer Reports® is an expert, independent, nonprofit organization whose mission is to work side by side with consumers to create a fairer, safer, and healthier world. We accept no advertising and pay for all the products we test. We are not beholden to any commercial interest. Our income is derived from the sale of Consumer Reports® magazine, ConsumerReports.org® and our other publications and information products, services, fees, and noncommercial contributions and grants. Our Ratings and reports are intended solely for the use of our readers. Neither the Ratings nor the reports may be used in advertising or for any other commercial purpose without our prior written permission. Consumer Reports will take all steps open to it to prevent unauthorized commercial use of its content and trademarks.
Consumer Reports is a nonprofit membership organization that works side by side with consumers to create a fairer, safer, and healthier world. For 80 years, CR has provided evidence-based product testing and ratings, rigorous research, hard-hitting investigative journalism, public education, and steadfast policy action on behalf of consumers’ interests. Unconstrained by advertising or other commercial influences, CR has exposed landmark public health and safety issues and strives to be a catalyst for pro-consumer changes in the marketplace. From championing responsible auto safety standards, to winning food and water protections, to enhancing healthcare quality, to fighting back against predatory lenders in the financial markets, Consumer Reports has always been on the front lines, raising the voices of consumers.
© 2008 Consumer Reports. The material above is intended for legitimate news entities only; it may not be used for advertising or promotional purposes. Consumer Reports® is an expert, independent, nonprofit organization whose mission is to work side by side with consumers to create a fairer, safer, and healthier world. We accept no advertising and pay for all the products we test. We are not beholden to any commercial interest. Our income is derived from the sale of Consumer Reports® magazine, ConsumerReports.org® and our other publications and information products, services, fees, and noncommercial contributions and grants. Our Ratings and reports are intended solely for the use of our readers. Neither the Ratings nor the reports may be used in advertising or for any other commercial purpose without our prior written permission. Consumer Reports will take all steps open to it to prevent unauthorized commercial use of its content and trademarks.