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Wireless Networks: Just What the Doctor Ordered

By Galen Gruman

August 01, 2003 — CIO — Electronic medical records systems top hospital CIOs’ agendas because they can prevent errors, enforce standards, make staff more efficient, simplify record keeping and improve patient care.

But the systems deliver only when doctors, nurses and other medical staff actually use them.

In hospitals, where patients and medical staff are constantly moving, it’s difficult for staff members to take a break to enter patient data, or to order tests and medications. So, even though many hospitals began installing data-access terminals a decade ago at nurses’ stations and near hospital wards, staff members still tend to scribble notes a few hours before they enter data and place orders. That can lead to transcription errors, delays in test results and incomplete records when other staff look up a patient’s status.

Health-care information has to be available anytime, anywhere. "We didn’t see any other way to do it other than wireless," says Tim Stettheimer, vice president and CIO of St. Vincent’s Hospital in Birmingham, Ala.

"If you’re not entering data as you go, a lot of efficiency is lost. With paper, it sits in a pocket for an hour, then sits in a bin," says Dr. Andrew Thomas, assistant dean and internal medicine professor at Ohio State University (OSU) Medical Center, a teaching hospital in Columbus, Ohio.

That’s why wireless systems, especially those based on the 802.11b standard (also known as Wi-Fi), are more widely deployed. This new conduit lets staff access and update records and make orders at the point of care. That reduces errors and delays, and fits into the doctors’ and nurses’ workflow. And they’re inexpensive to deploy, costing a few percent of the total budget of an electronic medical records (EMR) system. Plus, they can be a springboard to services such as communications badges and mobile sensors. (See "Where Health Care Leads the Way," this page.)

More Patient Face Time

R. Bruce Brown, a physician at St. Vincent’s, says he believes using mobile technology to access and update medical records will help him spend more time with patients.

Before Brown began using a wireless wearable computer from Xybernaut, complete with an LCD screen mounted on his glasses, he commuted between his patients and hills of paper. "I used to work on a stack of papers, then see the patient, then go back to the patient’s stack of papers," he says. "I spent only 20 percent of my time on a patient in front of me." With wireless systems, where he can access records and order needed tests while still with the patient, "I expect that to increase to 50 to 60 percent." Brown has also seen the cycle time per patient—from diagnosis to test result and later to delivery of treatment to the patient—shrink from 24 hours using the old-fashioned paper methods to four or five hours with the combination of EMR and wireless systems.

 

 

 

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