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Type 2 diabetes: Intensive hypertension therapy may lower death risk

Type 2 diabetes: Intensive hypertension therapy may lower death risk
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Type 2 diabetes: Intensive hypertension therapy may lower death risk

May 04, 2019

Source: Medical News Today

According to a new study, intensive treatment for high blood pressure may reduce the risk of death from any cause, including cardiovascular disease, in people with type 2 diabetes.

Diabetes is one of the most common and costly chronic conditions in the United States. Over 100 million people in the U.S. have diabetes or prediabetes, according to the 2017 report compiled by the Centers for Disease Control and Prevention (CDC).

Diabetes is a disease that affects how the body processes glucose. Type 2 diabetes, which is the most common form of the disease, reduces the production of insulin, a hormone that regulates blood sugar levels. When this occurs, blood sugar levels rise, increasing the risk of heart disease.

Hypertension, or high blood pressure, also increases the risk of cardiovascular disease. According to the National Institutes of Health (NIH), blood pressure is “the force of blood pushing against the walls of [the] arteries as the heart pumps blood.” Hypertension happens when “this force against the artery walls is too high.”

Doctors measure blood pressure in millimeters of mercury (mmHg). The first number, or the systolic pressure, refers to the pressure in the blood vessels when the heart beats. The second number measures the diastolic blood pressure, which is the pressure in the blood vessels when the heart rests between beats.

Doctors define “prehypertension” as 120–139 mm Hg for systolic pressure and between 80–89 mmHg for diastolic pressure. They consider a pressure of 140/90 mmHg as high.

According to the CDC, about 75 million people in the U.S. have high blood pressure, but only about half of them have the condition under control.

Link between diabetes and hypertension

Many people with diabetes also have high blood pressure. Studies found that at least 1 in 3 people with diabetes also have hypertension.

Diabetes and high blood pressure make for a deadly combination because one condition makes the other worse. Diabetes may increase blood pressure by reducing the blood vessels’ ability to stretch, increasing the fluid in the body, and affecting how the body manages insulin.

According to the American Heart Association (AHA), nearly 70% of people age 65 or older with diabetes die from cardiovascular disease, and 16% die of stroke. In addition, people with diabetes are up to four times more likely to die from heart disease than those without diabetes.

Looking for the best blood-pressure targets

Now, a new study, which appears in the AHA’s journal Hypertension, found that people with type 2 diabetes who received intensive treatment to keep blood pressure levels at or below 130/80 mmHg experienced fewer heart attacks, strokes, and had a lower risk of death from any cause.

“Our findings demonstrate a benefit of more intensive therapy aiming for blood pressure thresholds at 130/80 [mmHg] or below and should help resolve some ongoing confusion over the best blood pressure targets for people with diabetes,” says the study’s senior investigator J. Bill McEvoy, a professor of preventive cardiology at the National University of Ireland in Galway.

The 2017 AHA blood pressure guidelines recommended intensive treatment for people with diabetes and hypertension to help reduce their blood pressure. The new…

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