Navigation Links
Single Reading Can't Gauge Blood Pressure Control: Study
Date:6/21/2011

By Kathleen Doheny
HealthDay Reporter

MONDAY, June 20 (HealthDay News) -- Evaluating how well a person responds to medication meant to lower blood pressure requires multiple readings, new research suggests.

Blood pressure often spikes at doctor appointments, a condition known as "white coat" hypertension, so readings should also be taken by patients at home, said the study's lead author, Dr. Benjamin Powers, assistant professor of medicine at Duke University Medical Center.

''Collecting just a few, five or six, blood pressure readings from home will help your doctor make much better decisions about whether your blood pressure is in or out of control," Powers said.

For the study, Powers and his colleagues evaluated 444 U.S. veterans with high blood pressure, about 90 percent of them men with an average age of 64. All had been diagnosed about 10 years earlier. Their blood pressure was considered uncontrolled, even though most took multiple blood pressure-lowering medications. Untreated, high blood pressure can lead to stroke.

The study compared blood pressure readings taken in three settings -- at home, in a doctor's office, and at a clinical research setting -- at the study start and again at 6, 12 and 18 months. The findings are published in the June 21 issue of the Annals of Internal Medicine.

The measurements varied widely, Powers found. "Only a third of them were consistently categorized as in or out of control by all three measures," he said.

That points to the importance of getting multiple measures from different settings, said Powers, who is also with the Durham Veterans Affairs Medical Center. Using just one reading as the basis for prescribing or adjusting blood pressure medication could endanger patients who suffer from "white coat" hypertension, the study authors said.

As many as six readings were needed to obtain the best estimate of true blood pressure, the authors said, adding that doctors should average the results.

Home monitoring of blood pressure has gained respect in recent years, Powers said. About 43 percent of people with high blood pressure use home monitors, according to background information in the study. Powers and his colleagues said their results support recent calls for reimbursement of home blood pressure monitoring.

"I think patients should expect their doctors to make decisions based on home blood pressure [in addition to other measures]," he said.

Those who buy a home blood pressure monitor should get it validated for accuracy at their doctor's office, Powers added.

Patients should be advised to measure their blood pressure at different times of the day, and to sit and relax for five minutes before taking it, Powers explained. Variations are to be expected, he noted.

According to Dr. Joseph Diamond, director of nuclear cardiology at Long Island Jewish Medical Center in Hyde Park, N.Y., blood pressure readings are perhaps "the most frequent assessment that results in a change of medical therapy."

Even so, the procedure is frequently flawed because of poor measurement technique or insufficient measurements, he said.

"This study confirms the need to improve both measurement technique and the number of measurements obtained so that a therapeutic decision to start or change medication is based on more accurate information," said Diamond.

Writing in an accompanying editorial of the journal, Dr. Lawrence J. Appel and colleagues from Johns Hopkins University said the findings point to a need for regulation of blood pressure screening. "It is time to get serious about BP measurement," they wrote.

More information

To learn more about home blood pressure monitoring, visit the British Hypertension Society.

SOURCES: Benjamin J. Powers, M.D., researcher, Durham Veterans Affairs Medical Center, and assistant professor of medicine, Duke University Medical Center, Durham, N.C.; Joseph Diamond, M.D., director, nuclear cardiology, Long Island Jewish Medical Center, Hyde Park, N.Y.; June 21, 2011, Annals of Internal Medicine


'/>"/>
Copyright©2010 ScoutNews,LLC.
All rights reserved  

Related medicine news :

1. Single moms entering midlife may lead to public health crisis
2. Single bioptic telescope for low vision driving may not obscure road view of second eye
3. Single Gene Linked to Evolution of Human Brain
4. Advanced technology reveals activity of single neurons during seizures
5. Single gene defect causes brain tumor
6. See how they grow: Monitoring single bacteria without a microscope
7. Cancer in a single catastrophe
8. Scientists Aim for Test That Spots Single Cancer Cell in Blood Sample
9. Scientists Aim for Test That Could Spot Single Cancer Cell in Blood
10. Single Embryo Beat Double Embryo Transfer in IVF Study
11. New combo lung cancer therapy improves survival over single-line treatment
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Single Reading Can't Gauge Blood Pressure Control: Study
(Date:7/20/2017)... SANTA CLARA, CA (PRWEB) , ... July 20, ... ... some form of travel protection services since 2014, top travel insurance solution company ... agents the tools to sell all major international travel insurance products online, under ...
(Date:7/20/2017)... , ... July 19, 2017 , ... At Creekwood Dental ... of temporomandibular joint (TMJ) treatment and dental implants in Waco, TX, using ... scanner and the T-Scan™ by Tekscan®, they can capture details in the oral cavity ...
(Date:7/20/2017)... ... 2017 , ... A July 7th article on ... veins in some patients, according to medical experts. Washington State medical clinic Northwest ... sitting or standing, or regularly nicking yourself while shaving your legs, and taking ...
(Date:7/18/2017)... ... July 18, 2017 , ... ClinicalTrials.gov and the New ... Need to Consider?, **An FDAnews Webinar**, Aug. 2, 2017 — 1:30 p.m. – ... Rule for Clinical Trials Registration and Results Information,” is a head-scratcher. After reading ...
(Date:7/18/2017)... ... ... Heritage Woods of Benton, a Gardant affordable assisted living community is hosting ... The community, which is located at 1305 Bailey Lane in Benton, Illinois, serves older ... their independence. , The lunch menu will include Hawaiian chicken, meatballs and coleslaw. Tropical ...
Breaking Medicine News(10 mins):
(Date:7/5/2017)... JERUSALEM , July 5, 2017 ... www.oramed.com ), a clinical-stage pharmaceutical company ... today that it has received approval from the Israel Securities ... Stock Exchange (TASE). Oramed common stock will commence trading on ... Based on the current market capitalization of the Company, it ...
(Date:7/1/2017)... 30, 2017 Zimmer Biomet Holdings, Inc. (NYSE and ... conference call will be broadcast live over the Internet on ... news release detailing the quarterly results will be made available ... call. The live audio webcast can be accessed ... It will be archived for replay following the conference call. ...
(Date:6/30/2017)... -- Axium Pharmaceuticals Inc. is a pharmaceutical company aimed at utilizing drug ... forms of existing biologically active molecule. ... Subveta oral spray ... formula, which is designed to prevent precipitation of the active ... provide fast onset of action and is designed to optimize ...
Breaking Medicine Technology: