Awas, tekanan darah naik sedikit saja tingkatkan risiko stroke
Merdeka.com - Selama ini tekanan darah tinggi memang sudah diketahui sebagai faktor yang bisa meningkatkan risiko stroke. Namun baru-baru ini peneliti menemukan bahwa tekanan darah yang naik sedikit saja sudah bisa meningkatkan kemungkinan seseorang terkena stroke.
Hasil ini didapatkan peneliti setelah menganalisis data dari 760.000 partisipan yang diikuti selama 36 tahun. Mereka menemukan bahwa kenaikan tekanan darah yang sedikit, seringkali disebut juga pre-hipertensi, bisa memicu terjadinya stroke. Kenaikan sedikit saja pada tekanan darah bisa meningkatkan risiko stroke hingga 66 persen.
"Analisis ini memberikan konfirmasi terhadap bukti-bukti pada banyak penelitian. Penelitian ini mengonfirmasi bahwa kenaikan sedikit tekanan darah saja penting dan sangat berimbas pada risiko stroke," ungkap Dr Ralph Sacco dari University of Miami Miller School of Medicine, seperti dilansir oleh Healthy Living (12/03).
Sebelumnya penelitian di Southern Medical University, Guangzhou, juga menunjukkan bahwa 20 persen stroke terjadi pada orang yang mengalami pre-hipertensi. Hasil ini tetap sama meski peneliti memp
erhitungkan faktor lain seperti kolesterol tinggi, diabetes, dan kebiasaan merokok.
Dr John Volpi dari Houston Methodist Hospital di texas menyarankan agar orang senantiasa mengontrol tekanan darah mereka. Jangan remehkan tekanan darah yang naik secara perlahan, meski tak sering. Karena itu bisa berimbas pada hal lainnya dan bahkan bisa memicu stroke. Lakukan juga gaya hidup yang sehat dan makan makanan bernutrisi untuk menjaga tekanan darah tetap stabil.
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http://www.stroke.org/site/PageServer?pagename=PREVENT
Up to 80 percent of all strokes can be prevented—start reducing risk now.
Although stroke can happen to anyone, certain risk factors can increase chances of a stroke. However, studies show that up to 80 percent of strokes can be prevented by working with a healthcare professional to reduce personal risk. It is important to manage personal risk and know how to recognize and respond to stroke signs and symptoms. Learn interactively about more than 20 leading risk factors for stroke through the interactive risk factor tool.
Stroke Prevention Guidelines
The following Stroke Prevention Guidelines will help you learn how you may be able to lower your risk for a first stroke.
National Stroke Association's Stroke Prevention Advisory Board, an elite group of the nation's leading experts on stroke prevention, established the first Stroke Prevention Guidelines. They were published in a 1999 issue of Journal of the American Medical Association (JAMA) and have been updated to reflect current medical standards.
Talk to a healthcare professional and follow these guidelines.
Know blood pressure (hypertension)
High blood pressure is a major stroke risk factor if left untreated. Have blood pressure checked yearly by a doctor or at health fairs, a local pharmacy or supermarket or with an automatic blood pressure machine.
Identify atrial fibrillation (Afib)
Afib is an abnormal heartbeat that can increase stroke risk by 500%. Afib can cause blood to pool in the heart and may form a clot and cause a stroke. A doctor must diagnose and treat Afib.
Smoking doubles the risk of stroke. It damages blood vessel walls, speeds up artery clogging, raises blood pressure and makes the heart work harder.
Alcohol use has been linked to stroke in many studies. Most doctors recommend not drinking or drinking only in moderation - no more than two drinks each day.
Cholesterol is a fatty substance in blood that is made by the body. It also comes in food. High cholesterol levels can clog arteries and cause a stroke. See a doctor if your total cholesterol level is more than 200.
Many people with diabetes have health problems that are also stroke risk factors. A doctor and dietician can help manage diabetes.
Excess weight strains the circulatory system. Exercise five times a week. Maintain a diet low in calories, salt, saturated and trans fats and cholesterol. Eat five servings of fruits and vegetables daily.
Fatty deposits can block arteries carrying blood to the brain and lead to a stroke. Other problems such as sickle cell disease or severe anemia should be treated.
Transient Ischemic Attack (TIA)
A TIA is a temporary episode of stroke-like symptoms that can last a few minutes to 24 hours but usually causes no permanent damage or disability. TIA and stroke symptoms are the same. Recognizing and treating a TIA can reduce stroke risk. Up to 40 percent of people who experience a TIA may have a stroke.
Manage personal risk. Fill out the Stroke Risk Scorecard and discuss with a healthcare professional.
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