Salman Ahmad, Farooq Ahmad, Syed Tahir Shah, Muhammad Nadeem, Ikram Ullah, Syed Farhat Abbas Shah.
Association between common cardiovascular risk factors and heart failure with normal ejection fraction.
Pak Heart J Jan ;47(4):179-83.

Objective: The objective of this study was to determine the association between common risk factors and heart failure with normal ejection fraction (HFNEF). Methodology: This was a case control study conducted at Department of Cardiology, Lady Reading Hospital (LRH), Peshawar from March 2011 to November 2011. Patients having HFNEF, of both genders with age > 40 years were taken as cases. Parents of children presented to Pediatric out patient department (OPD) of LRH Peshawar, of both gender with age > 40 years were taken as control. Cases and controls were carefully scrutinized for the detection of common risk factors like obesity, hypertension, diabetes and coronary artery disease (CAD). Logistic regression was used to see the effect of risk factors in both the groups. Odds ratio and p-value was calculated for each risk factor in both the groups. Results: A total of 139 patients each in cases and control groups were studied. In the cases and controls, males were 45.3% and 49.6% respectively. The average age was 56.64 +- 10 years for the cases and 48.92+- 10 years for controls. Hypertension was noted in 54.7% and 29.5% of cases and controls respectively (OR= 3.543, p= 0.000), CAD in 34.5% and 6.5% of cases and controls (OR= 7.619, p= 0.000), Diabetes mellitus in 33.1% and 10.1% (OR=4.416, p= 0.000), and Obesity in 15.1% and 20.1% cases and controls (OR= 0.706, p= 0.271). Conclusion: CAD, hypertension, and diabetes mellitus are strongly associated clinical risk factors in patients with HFNEF.

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