Diastolic heart failure occurs when the left ventricle, one of the heart’s four chambers responsible for pumping oxygen-rich blood out to the body, becomes stiffer than average and cannot appropriately fill with blood during the diastolic (filling) phase. Therefore, the amount of blood pumped out to the body is less than normal. As our bodies age, the heart and blood vessels become less elastic, thus making this condition more prevalent in the older population demographic. High blood pressure, diabetes, coronary artery disease, and obesity/inactivity can cause diastolic heart failure.
On September 16, 2021, General Surgery News released an article headlined “Bariatric Surgery Decreases Hospital Admissions for Diastolic Heart Failure,” which summarizes new research presented at the 2021 annual meeting of the American Society for Metabolic and Bariatric Surgery (abstract A008):
The researchers conducted a retrospective analysis of the National Inpatient Sample database from 2010 to 2015, dividing patients into those with and without a history of bariatric surgery. The multivariate logistic regression analysis demonstrated that the patients who did not undergo bariatric surgery were at a significantly higher risk for being admitted for acute and chronic diastolic heart failure. “Patients in the control group with no history of hypertension were almost five times more likely to be admitted for acute diastolic heart failure,” Dr. Funes said. “Furthermore, the odds of prevalence for chronic diastolic heart failure were two times higher in the control group when compared to their counterparts in the surgical group. … The multivariate logistic regression analysis demonstrated that the odds of hospitalization for diastolic heart failure, specifically for patients with a history of coronary artery disease, was almost three times higher in the control group when compared to the surgical group.”
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