A novel study found that people who develop atrial fibrillation, which is a disorder of heart rhythm, for the first time when they are admitted to hospital with stern sepsis, are at augmented risk of stroke. AF (Atrial fibrillation) is one of the most widespread heart rhythm problems in seriously sick patients.
The earlier study has confirmed that about six to twenty percent of patients suffering severe sepsis develop new onset of atrial fibrillation, suggesting that stern sepsis may be a predisposing aspect for the condition. Although chronic AF is a major contributor to long-term disability and mortality, yet the association of new-onset of AF in stern sepsis to diagnosis is not known.
For their study researchers analyzed statistics of 2007 from California hospitals. Their analysis showed that patients suffering severe sepsis accounted for fourteen percent of all new-onset AF and that occurred in patients those admitted to hospital. The study also revealed that patients suffering severe sepsis were about seven times more prone to develop new-onset AF in comparison to patients without severe sepsis.
The aspects which are linked to increased risk of new-onset AF in patients suffering severe sepsis including, a history of heart failure, organ failures, respiratory failure and renal failure, obesity, being older cancer and stroke. The development of the atrial fibrillation increased the risk of ischemic stroke and death among patients admitted to hospital with severe sepsis.
Severe sepsis alone may be linked to a raised risk of stroke via hemodynamic collapse, increased systemic inflammation and coagulopathy (clotting or bleeding disorder). According lead researcher Dr. Allan J. Walkey from the Boston University School of Medicine, new-onset AF may simply be an indicator for greater severity of illness and thus, greater stroke risk.
Ischemic stroke occurred in seventy-five hospitalized patients out of twenty-nine hundred with new-onset AF, in comparison to fifty-seven out of ten thousand with preexisting AF and two hundred fifty out of thirty-six thousand without AF. Given projected estimates of severe sepsis incidence, it is likely that new-onset AF occurs mostly in patients with severe sepsis.
The study appears online in the Journal of the American Medical Association. Existing strategy do not address AF that occurs in the setting of severe sepsis or acute infection, suggesting that new-onset AF that occurs during severe sepsis is an unfamiliar public health problem, concluded researchers.