In High-Risk Patients, Self-Management Program Helps Reduce Blood Pressure

by Kathy Jones on  August 30, 2014 at 12:08 PM Hypertension News
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A program that consisted of patients measuring their blood pressure and adjusting their antihypertensive medication resulted in lower systolic blood pressure at 12 months compared to patients who received usual care in a group of patients with hypertension at high risk of cardiovascular disease, a new study has revealed.
 In High-Risk Patients, Self-Management Program Helps Reduce Blood Pressure
In High-Risk Patients, Self-Management Program Helps Reduce Blood Pressure

The study appears in the August 27 issue of JAMA.

Data from national and international surveys suggest that despite improvements over the last decade, significant proportions of patients have poor control of their elevated blood pressure. Self-monitoring of blood pressure with self-titration (adjusting) of antihypertensives results in lower blood pressure in patients with hypertension, but there are no data about patients in high-risk groups, according to background information in the article.

Richard J. McManus, F.R.C.G.P., of the University of Oxford, and colleagues randomly assigned 552 patients with hypertension and a history of stroke, coronary heart disease, diabetes, or chronic kidney disease to self-monitoring of blood pressure combined with an individualized self-titration algorithm or a control group (patients received usual care consisting of seeing their health care clinician for routine blood pressure measurement and adjustment of medication if necessary).

After 12 months, the average systolic blood pressure decreased in both groups, but was lower in the intervention group (128.2/73.8 mm Hg vs 137.8/76.3 mm Hg). Imputation for missing values showed a marginally lower average difference in systolic blood pressure of 8.8 mm Hg. The reduction in diastolic blood pressure was also greater in the self-monitoring group. The results were comparable in all subgroups, without excessive adverse events.

"This trial has shown for the first time, to our knowledge, that a group of high-risk individuals, with hypertension and significant cardiovascular comorbidity, are able to self-monitor and self-titrate antihypertensive treatment following a pre­specified algorithm developed with their family physician and that in doing so, they achieved a clinically significant reduction in systolic and diastolic blood pressure without an increase in adverse events," the authors write. "This is a population with the most to gain in terms of reducing future cardiovascular events from optimized blood pressure control."There is also an accompanying editorial, titled, 'Self-titration of Antihypertensive Therapy in High-Risk Patients Bring It Home.'

"Although the trial by McManus et al does not settle all questions regarding self-titration based on self-measurement, it is an important step toward adaptation of treatment for patients who want to actively take part in their own risk-factor control," write Peter M. Nilsson, M.D., Ph.D., of Skane University Hospital, Malmo, Sweden, and Fredrik H. Nystrom, M.D., Ph.D., of Linkoping University, Linkoping, Sweden.

"Future trials studying the effects of self-titration on cardiovascular events are needed. With the gain in knowledge from [this trial], it may be possible to make the recruitment of patients less restricted, to incorporate education about self-measurement as a standard procedure and focus on which scheme for titration to use, or to study the timing of the home blood pressure recordings. In many countries antihypertensive drugs are now available as inexpensive generic drugs. The time has come to fully use these noncostly medications and to design optimal individualized care of patients."

"Based on these findings, a 'bring it home' blood pressure-lowering strategy appears suitable for patients with hypertension and comorbidities."

Source: Eurekalert

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