Right ventricular systolic function in Nigerians with heart failure secondary to hypertensive heart disease

Background: Right ventricular (RV) dysfunction has been shown to be a major contributor to the adverse outcomes in subjects with heart failure. Few studies evaluating the right ventricle in heart failure subjectshave been carried out in Sub-Saharan Africa. This study was therefore designed to evaluate the right ventricular systolic function in subjects with heart failure secondary to hypertensive heart disease presenting to the University College Hospital, Ibadan Nigeria.Methodology: Seventy-six subjects with heart failure secondary to hypertension and 92 normal controls underwent clinical, electrocardiographic and echocardiographic evaluation. Indices of right ventricular systolic function that were measured include tricuspid annular plane systolic excursion (TAPSE), tissue Doppler derived tricuspid peak systolic lateral annulus velocity(S') and right ventricular fractional areachange(RVFAC).Results: Sixty-two (81.6%) heart failure subjects had right ventricular systolic dysfunction, 31(40.8%) had abnormal TAPSE, 42(55.5%) had abnormal S' while 49(64.5%) had abnormal RVFAC. Elevated pulmonary artery systolic pressure was found in 25(32.9%) of the subjects. There was no relationship between the indices of right ventricular systolic function and the estimated systolic pulmonary artery pressures. The independent predictor of right ventricular systolic dysfunction was the right atrial size.Conclusion: Right ventricular systolic function is impaired in patients with heart failure secondary to hypertensive heart disease. There is no relationship between the indices of right ventricular systolic function and systolic pulmonary artery pressure. Furtherstudies are needed to assess right ventricular systolic function in Nigerians.Keywords: Hypertension, Heart Failure, Right ventricular dysfunction, Nigeria, Sub- Saharan Africa

An Assessment of the Impact of Disruptive Technologies on the Efficacy of Accounting Practices in Selected South Western States, Nigeria

Advancement in technology has brought intense but healthy competition among professional bodies in Nigeria, especially in the field of accounting. This has systematically transformed the accounting process from a traditional analog to a digital system. It is on this note that this study examined how disruptive technology affects the efficacy of accounting practice in Nigeria. This study employed a survey research method with the use of a structured questionnaire distributed among professional bodies in Ekiti, Osun, and Ondo States, South Western Nigeria. Regression analysis of Ordinary Least Squares coupled with correlation analysis were employed. The results revealed that artificial intelligence, blockchain, big data, and the internet of things had a significant positive effect on the controlled variable in Nigeria. The results also revealed that cloud computing had insignificant negative effect on the dependent variable. With the F Statistics (7.113) = 109.747, P = 0.000 < 0.05), the results showed a significantly strong relationship between the controlling and controlled variables. It is, thus, recommended the pivotal need for accounting practitioners to enhance their knowledge of disruptive technologies through training and retraining, and continuous attendance of related workshops organized by the respective professional bodies in Nigeria

Right ventricular systolic function in Nigerians with heart failure secondary to hypertensive heart disease

Background: Right ventricular (RV) dysfunction has been shown to be a major contributor to the adverse outcomes in subjects with heart failure. Few studies evaluating the right ventricle in heart failure subjects have been carried out in Sub-Saharan Africa. This study was therefore designed to evaluate the right ventricular systolic function in subjects with heart failure secondary to hypertensive heart disease presenting to the University College Hospital, Ibadan Nigeria. Methodology: Seventy-six subjects with heart failure secondary to hypertension and 92 normal controls underwent clinical, electrocardiographic and echocardiographic evaluation. Indices of right ventricular systolic function that were measured include tricuspid annular plane systolic excursion (TAPSE), tissue Doppler derived tricuspid peak systolic lateral annulus velocity(S') and right ventricular fractional areachange(RVFAC). Results: Sixty-two (81.6%) heart failure subjects had right ventricular systolic dysfunction, 31(40.8%) had abnormal TAPSE, 42(55.5%) had abnormal S' while 49(64.5%) had abnormal RVFAC. Elevated pulmonary artery systolic pressure was found in 25(32.9%) of the subjects. There was no relationship between the indices of right ventricular systolic function and the estimated systolic pulmonary artery pressures. The independent predictor of right ventricular systolic dysfunction was the right atrial size. Conclusion: Right ventricular systolic function is impaired in patients with heart failure secondary to hypertensive heart disease.There is no relationship between the indices of right ventricular systolic function and systolic pulmonary artery pressure. Further studies are needed to assess right ventricular systolic function in Nigerians. DOI: https://dx.doi.org/10.4314/ahs.v19i2.37 Cite as: Ifeoluwa AA, Adebiyi AA, Adeoye AM, Akinyemi A. Right ventricular systolic function in subjects with heart failure secondary to hypertensive heart disease. Afri Health Sci.2019;19(2): 2130-2139. https://dx.doi.org/10.4314/ahs.v19i2.3