![]() Over a median follow-up of 1.9 years, 131 patients died and 328 were rehospitalised because of heart failure. Results of the small and large pupil area groups were compared. They were then followed-up for all-cause death (the primary endpoint) and readmission due to heart failure (the secondary endpoint). Patients were divided into the small pupil area group and large pupil area group according to whether their measurement was below or above the median (16.6 mm 2). Shape of the heart determines your risk for two common heart conditions.Hunger hormone can increase the heart's pump capacity in patients with heart failure.Estrogen may increase the risk of certain types of arrhythmia.Patients were tested at a standard time (between 09:00 and 12:00) since the autonomic system is affected by time of day. Pupil area was measured in both eyes at least seven days after hospital admission.įor the test, patients put on goggles, waited five minutes for their eyes to adapt to the dark, then photos were taken of the eyes. The average age was 67 years and 37% were women. The study was conducted in 870 patients hospitalised for acute heart failure in 2012 to 2017. This study examined whether pupil area could predict prognosis in patients with heart failure. Pupil area is another way to assess autonomic function and has been used in patients with Parkinson's disease and diabetes. However, this method is ineffective in patients with a heart rhythm disorder called atrial fibrillation, which is common in those with heart failure. Autonomic function is typically evaluated by measuring changes in heart rate. One of the causes of worsening heart failure is disturbed function of the body's autonomic system, which controls heart rate, digestion, respiration, and so on. ![]() "Finding better ways to pinpoint which patients are more likely to be readmitted or die is crucial," said Dr. Up to 45% of patients admitted to hospital with heart failure die within one year of admission and the majority die within five years of admission. Symptoms include shortness of breath, swollen limbs and fatigue. ![]() It is a life-threatening condition in which the heart is unable to pump enough blood to meet the body's needs. "This provides an opportunity to intervene and improve outlook."Īround 26 million people worldwide currently live with heart failure. Kohei Nozaki of Kitasato University Hospital, Kanagawa, Japan. "Our results suggest that pupil area is a novel way to identify heart patients at elevated risk of death or hospital readmission," said study author Dr. Pupil size predicts death and hospital readmission in patients with heart failure, according to research published today in ESC Heart Failure, a journal of the European Society of Cardiology (ESC).
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