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Permissive hypotension or hypotensive resuscitation [1] is the use of restrictive fluid therapy, specifically in the trauma patient, that increases systemic blood pressure without reaching normotension (normal blood pressures). The goal blood pressure for these patients is a mean arterial pressure of 40-50 mmHg or systolic blood pressure of ...
Elevated blood pressure occurs when a person has a systolic pressure of 120-129 mmHg (top number) and a diastolic pressure (bottom number) that's lower than 80 mmHg.
These include high blood pressure, diabetes mellitus, tobacco smoking, obesity, and dyslipidemia. [13] There are also risks that a person can't control. These include a person's age, family history of strokes, being African American, and being born a male. A person's risk of a stroke doubles each decade after the age of 55. [14]
High blood pressure accounts for 35–50% of stroke risk. [110] Blood pressure reduction of 10 mmHg systolic or 5 mmHg diastolic reduces the risk of stroke by ~40%. [111] Lowering blood pressure has been conclusively shown to prevent both ischemic and hemorrhagic stroke. [112] [113] It is equally important in secondary prevention. [114]
For example, a blood pressure above 120/80 is too high, and every point higher takes a toll on the body because the pressure pounds through the arteries 24/7, never resting and the negative ...
Antihypertensive therapy seeks to prevent the complications of high blood pressure, such as stroke, heart failure, kidney failure and myocardial infarction. Evidence suggests that a reduction of blood pressure by 5 mmHg can decrease the risk of stroke by 34% and of ischaemic heart disease by 21%.
Brain ischemia has been linked to a variety of diseases or abnormalities. Individuals with sickle cell anemia, compressed blood vessels, ventricular tachycardia, plaque buildup in the arteries, blood clots, extremely low blood pressure as a result of heart attack, and congenital heart defects have a higher predisposition to brain ischemia in comparison to the average population.
Those who developed high blood pressure before 45 had 2.2 times the risk of stroke, and high blood pressure from ages 45 to 64 was tied to a 1.69 times higher risk of stroke.