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Year : 2017  |  Volume : 58  |  Issue : 1  |  Page : 7-12

Right ventricular function in patients with heart failure in a cardiac clinic in Southwest Nigeria

Goshen Heart Clinic, Osogbo, Osun State; Department of Medicine, Ladoke Akintola University of Technology and LAUTECH Teaching Hospital, Ogbomoso, Nigeria

Correspondence Address:
Adeseye A Akintunde
P.O. Box 3238, Osogbo
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0300-1652.218411

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Background: Right ventricular (RV) function is an important entity in heart failure. Patients with RV dysfunction (RVD) have poorer prognosis and exercise tolerance than those with preserved RV systolic function. Tricuspid annular plane systolic excursion (TAPSE) has been proposed as a simple and reproducible parameter for the qualitative assessment of RV systolic function/ejection fraction (EF). This study aims at describing RV function/RVD among heart failure patients in a specialized cardiac facility in Southwestern Nigeria. Materials and Methods: One hundred and thirty-two patients with clinical diagnosis of heart failure were recruited into the study between June 2011 and December 2014. Baseline data, laboratory investigations, electrocardiography, and echocardiography were taken for the participants. RV function was assessed with TAPSE. Statistical analysis was done using Statistical Package for Social Sciences 16.0 (Chicago Ill. USA). P < 0.05 was considered statistically significant. Results: The mean age of study participants was 62.1 ± 14.2 years. RV systolic dysfunction (TAPSE <20 mm) was found in 86 (65.2%) of all patients while moderate-to-severe RVD (TAPSE <15 mm) was found in 26 (19.7%) patients. Those with RVD are more likely to be older and had a larger left ventricular internal diastolic dimension than those without RVD. Systolic blood pressure, diastolic blood pressure, and EF were significantly lower among patients with RVD than those with normal RV function. Conclusion: RVD is common and is associated with more advanced heart failure and possibly worse prognosis among Nigerians with heart failure. Screening for RVD is encouraged to identify and aggressively treat to reduce the associated increased mortality.

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