Everything to know about hypertension in African Americans – Medical News Today

Hypertension is more common in African American people than in those of other racial groups in the United States. People also call this condition high blood pressure.
Hypertension causes the heart to pump blood very forcefully, creating a blood pressure consistently higher than 130/80 millimeters of mercury (mm Hg). If either number in the blood pressure reading is high, a person has hypertension.
Hypertension increases the risk of heart disease and some other health concerns. Black people, especially Black men, live shorter lives, on average, than people of most other racial groups — particularly white people.
It is important to remember that not all African American people are Black, which means that some may not face the systemic racism and other inequities in healthcare that Black Americans do.
At the same time, not all Black people are African American. Some research presents results that are difficult to interpret because it uses these terms interchangeably.
Numerous studies have documented high rates of hypertension in African American people compared with those in other racial groups.
One 2018 study in the Journal of the American Heart Association found that, of its participants, 75.5% of Black men and 75.7% of Black women developed hypertension by the age of 55 years. This compares with 54.5% of white men and 40% of white women.
It is important to note that the study sites were only located in Chicago, Birmingham, Oakland, and Minneapolis. For this reason, the results do not represent the entire African American population.
According to the Centers for Disease Control and Prevention (CDC), the overall prevalence of high blood pressure is 54% among non-Hispanic Black adults, compared with 46% in non-Hispanic white adults, 39% in non-Hispanic Asian adults, and 36% in Hispanic adults.
Hypertension is a major risk factor for heart disease, stroke, and other serious illnesses.
According to one 2014 article in the American Journal of Medical Science, on average, a 45-year-old African American man who lives in the southeastern U.S. has the same risk of having a stroke as a 55-year-old white man living in the same region or a 65-year-old white man living in the Midwest.
Researchers have not identified a single cause of hypertension in any group, including African American people. Instead, they believe that several factors may work together to cause high blood pressure.
These factors include:
It is important to note that some studies specifically look at Black Americans, who are part of a racial group subjected to racism and similar socioeconomic factors. However, Black Americans are a diverse group of people from many different cultural and ethnic backgrounds.
Being Black is a risk factor for developing high blood pressure. Some other risk factors interact with being Black, such as chronic stress related to racism.
These other risk factors for hypertension include:
Having exposure to race-related stress, such as fearing or experiencing racist acts, may also elevate blood pressure.
High blood pressure means that the heart is pumping blood more forcefully than usual.
Hypertension may cause health issues such as:
To diagnose high blood pressure, a doctor uses a blood pressure monitor. They consider a blood pressure reading to be high if it is 130/80 mm Hg or above. Multiple high readings suggest that the person has hypertension.
Learn more about how to understand blood pressure readings here.
Some people, such as those who get very anxious at doctor’s appointments, may have high blood pressure at their appointment and normal blood pressure at home. This is called white coat hypertension.
When this happens, a doctor may recommend that the person monitors their own blood pressure at home. The person can do this using a home blood pressure monitor.
Some pharmacies, malls, and other locations offer kiosks that a person can use to monitor their own blood pressure at no cost.
However, the Food and Drug Administration (FDA) say that these kiosks can only provide accurate readings if the cuff fits a person’s arm properly. Therefore, a person should be sure to choose a blood pressure monitor that fits their arm.
Treatment depends on how high a person’s blood pressure is. In most cases, a doctor may recommend making lifestyle changes, such as eating less salt, getting more exercise, or losing weight. A doctor may also prescribe treatment for any underlying medical conditions, such as diabetes.
The American College of Cardiology (ACC) and American Heart Association (AHA) recommend additional treatment based on how high a person’s blood pressure is.
There are two stages of high blood pressure: stage 1 high blood pressure and stage 2 high blood pressure.
Having stage 1 high blood pressure means having a top number of 130–139 over a bottom number of 80–89. Only one of these numbers needs to be high for a doctor to consider it high blood pressure.
Having stage 2 high blood pressure means having a top number of 140 or higher over a bottom number of 90 or higher.
According to the guidelines, doctors should prescribe blood pressure medication for people with stage 2 high blood pressure. They may only recommend medication for those with stage 1 hypertension if they have already had a heart attack or stroke or have other risk factors for a serious heart health issue.
The ACC and AHA guidelines also say that it is important for doctors to take socioeconomic and mental health factors, including chronic stress, into consideration when treating hypertension.
Hypertension is a serious medical issue that can increase a person’s risk of developing other chronic diseases. It is also treatable, especially with early diagnosis and intervention.
People who think that they have high blood pressure or have several risk factors for it should contact a doctor to discuss diagnosis and treatment.
Last medically reviewed on March 30, 2021
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