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Wednesday, December 07, 2022

Acute stroke associated with significant loss in life expectancy

Nearly two-thirds of acute stroke patients fail to survive for more than a decade and are at high risk of recurrence, prompting researchers to need better patient care.

Researchers from the University of Queensland analyzed data from more than 300,000 patients hospitalized after a sudden stroke between 2008 and 2017 in Australia and New Zealand.

The team also examined how many years were lost to a stroke by comparing a patient’s estimated life expectancy with the actual length of survival.

Study leader and UQ epidemiologist, Dr. Yang Peng, research fellow at Prince Charles Hospital Northside Clinical Unit, said only 36.4 percent of patients survived beyond 10 years, and 26.8 percent had another stroke.

We found that a stroke reduced a patient’s life expectancy by an average of five and a half years, compared to the general population.


In proportionate terms, this meant that a stroke reduced a person’s life expectancy by a third.


Patients with a hemorrhagic stroke who have bleeding in the brain have a higher risk of death, another stroke, and shorter life expectancy than those with ischemic stroke, which is caused by a blood vessel rupture.”


Dr. Yang Peng, UQ epidemiologist

Acute stroke is one of the most common causes of hospitalization and disability in Australia and has been linked to risk factors such as high blood pressure, high cholesterol levels, diabetes, smoking and heart disease. Stroke Foundation.

Study co-author, Dr. Katherine Colborne, a stroke and general practitioner at The Prince Charles Hospital, said these findings reinforce the need for concerted efforts to improve acute stroke care.

“We need a stroke network of care to rapidly identify patients with stroke, give them access to critical and time-sensitive treatments, such as thrombolysis, a clot-busting drug, and endovascular therapy, to treat blood clots. A special procedure to remove the vessels to the brain,” Dr. Colborne said.

“We also need dedicated stroke units to provide multidisciplinary care for these patients who are known to reduce death and disability after stroke.”

Dr Peng said that given the number of recurrent patients, secondary prevention should also focus on lifestyle and risk factor modifications.

“Very few population studies have explored the long-term consequences of stroke,” he said.

“This information is important for patients to understand their prognosis, and for healthcare professionals who want to improve stroke care and preventive measures.”

Source:

Journal Reference:

Peng, Y., and others. (2022) Long-term survival, stroke recurrence, and life expectancy after acute stroke in Australia and New Zealand from 2008–2017: a population-wide cohort study. stroke. doi.org/10.1161/STROKEAHA.121.038155.

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