Stroke increases risk of death of COVID-19, according to new study 

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A study published in Neurology claims that people hospitalised with COVID-19 and neurological problems including stroke and confusion, have a higher risk of dying than other COVID-19 patients. According to a press release by the Albert Einstein college of medicine, these findings have the potential to identify and focus treatment efforts on individuals most at risk and could decrease COVID-19 deaths.

The study looked at data from 4,711 COVID-19 patients who were admitted to Montefiore healthy system during the six-week period between March 1, 2020 and April 16, 2020. Of those patients, 581 (12%) had neurological problems serious enough to warrant brain imaging. These individuals were compared with 1,743 non-neurological COVID-19 patients of similar age and disease severity who were admitted during the same period.

“This study is the first to show that the presence of neurological symptoms, particularly stroke and confused or altered thinking, may indicate a more serious course of illness, even when pulmonary problems aren’t severe,” said David Altschul, Montefiore Medical Centre, New York, USA. “Hospitals can use this knowledge to prioritize treatment and, hopefully, save more lives during this pandemic.”

Among people in the study who underwent brain imaging, 55 were diagnosed with stroke and 258 people exhibited confusion or altered thinking ability. Individuals with stroke were twice as likely to die (49% mortality) compared with their matched controls (24% mortality)—a statistically significant difference. People with confusion had a 40% mortality rate compared with 33% for their matched controls—also statistically significant.

More than half the stroke patients in the study did not have hypertension or other underlying risk factors for stroke. “This highly unusual finding agrees with other studies of people with COVID-19 in suggesting that infection with the novel coronavirus is itself a risk factor for stroke,” said Altschul.


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