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A New Application for Biometrics
December 1, 2007
Carolinas HealthCare System, with 19 hospitals and 150 clinics, is a sprawling enterprise that needed to improve its processes for quickly and positively identifying patients, and linking them to the correct electronic health record.
The delivery system was enamored with the idea of using biometric technology because of its ease of use and reliability. But it took three years of searching to come up with the right biometric solution, says Jim Burke, director of information systems at Carolinas HealthCare System. Burke looked at biometric systems that use the voice, fingerprint or iris to confirm identity, but he didn't think any of those options fit the provider's needs in terms of reliability, cost and usability.
The delivery system ultimately settled on PatientSecure, a biometric system that uses the veins in the palm to confirm identification. The technology is from Sunnyvale, Calif.-based Fujitsu Computer Products of America Inc. and Tampa, Fla.-based HT Systems. To use the new technology, patients hold their hand above a scanner. A positive ID automatically brings up the patient's EHR.
One of the primary drivers for deploying a biometric solution was Carolinas HealthCare's implementation of an EHR and its desire to properly tie the patient to the correct record, Burke says. The provider is deploying an EHR from Cerner Corp., Kansas City, Mo., at all its sites.
Biometric technologies have been used for decades in law enforcement to identify criminals. But use outside of law enforcement is relatively new. And some early adopters regret the decision to use biometrics because it can be difficult to use and unreliable.
After the Sept. 11, 2001 terrorist attacks, public sector interest in biometrics picked up. Government projects that use biometric technologies to authenticate all federal employees, have pumped money into the industry, which, in turn, has increased the reliability of the systems and made them more affordable.
Health care, however, still hasn't embraced biometrics, says Dana Marohn, a senior consultant at the International Biometrics Group, a New York-based research and consulting firm. IBG estimates the sale of biometrics in health care at $84.6 million in 2007, but it predicts sales will grow to $284.2 million by 2012, Marohn says.
As electronic health records become more pervasive, the use of biometrics will also become more widespread in health care, Marohn says. Biometric technologies are best suited for providing definitive identification of patients to ensure caregivers use the right record, she argues.
The most common type of biometrics technology used in health care is fingerprint scanning (see story, page 49). Many fingerprint-scanning products are on the market, and the cost of these is relatively low compared with other biometric options.
In most cases, health care organizations are using fingerprint scanners and other biometric options as a substitute for user names and passwords to identify caregivers before they access information systems.
But some organizations, including Carolinas HealthCare System, are breaking new ground, using biometric technologies to identify patients at the point of admission.
The palm vein recognition technology used at Carolinas HealthCare System is one of the newest biometrics options. The technology is particularly appealing in health care because the user doesn't have to touch the scanner, minimizing the risk of picking up an infection.
The concerns about infections, as well as concerns about whether fingerprint scanners would wear out because of repeated cleanings, were important factors in Carolinas' decision to use palm vein recognition.
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