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Online Checkups Control Blood Pressure

Doctor-Patient Communication via Internet Helps Patients Reach Treatment Goals
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WebMD Health News
Reviewed by Louise Chang, MD

March 31, 2009 (Orlando, Fla.) -- Using the Internet to stay in touch with your doctor between checkups can help you control blood pressure, a study shows.

"Internet-based telemedicine systems allow patients to report blood pressure readings to their doctors and receive feedback as to how close they are to reaching treatment goals," says study researcher Alfred Bove, MD. Bove is incoming president of the American College of Cardiology (ACC) and emeritus professor of medicine at Temple University in Philadelphia.

"If you have a [borderline high] blood pressure reading, a lot of doctors will say, 'That's not so bad. Let's wait three months and see what it is next time you come,'" Bove says. "But with the Internet, patients and their doctors are continuously looking at the data. They act much more quickly."

"This is the future of chronic disease management," he tells WebMD.

Telemedicine Intervention

The new study, presented at the ACC annual meeting, involved 388 men and women. They all had a 10% or higher chance of developing heart disease over the next 10 years based on a traditional risk-assessment tool that takes into account age, cholesterol, blood pressure, the presence of diabetes, and smoking status.

Participants were randomly assigned to a care plan that involved office visits with a nurse every four months or to office visits plus the telemedicine intervention.

In the telemedicine group, participants monitored their weight, exercise, and blood pressure at home. Then, they used to Internet to communicate the data to their doctors, who decided whether to adjust their medication, Bove says.

"Subjects were sending us data about six times a month, so they remained engaged in the process," he says.

After one year, systolic blood pressure dropped significantly in both groups, from an average of 146 to 137 points in the office-visits-only group and to 134 points in the telemedicine group. Diastolic blood pressure dropped from 82 points to 78 points in the office-visits-only group and 77 points in the telemedicine group.

In patients with intermediate hypertension -- systolic readings of 140 to 160 points at the start of the study -- blood pressure dropped significantly more in the group using the Internet reporting system than in the office visits group.

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