Acute myocardial infarction is not uncommon in Kenya. Over 30% of the patients are 50 years and younger and it carries a high morbidity from heart failure. Risk factors comprise a combination of non-communicable diseases, namely hypertension and diabetes mellitus, coexisting with infections. Control measures targeting both categories are recommended.
BackgroundHeart failure in children is a common cause of morbidity and mortality, with high socio-economic burden. Its pattern varies between countries but reports from Africa are few. The data are important to inform management and prevention strategies.ObjectiveTo describe the pattern of congestive heart failure in a Kenyan paediatric population.MethodsThis was a retrospective study done at Kenyatta National Hospital, Nairobi Kenya. Records of patients aged 12 years and younger admitted with a diagnosis of heart failure between January 2006 and December 2010 were examined for mode of diagnosis, age, gender, cause, treatment and outcome. Data were analysed using the Statistical Programme for Social Scientists version 16.0 for windows, and presented in tables, bar and pie charts.ResultsOne hundred and fifty-eight cases (91 male, 67 female) patients’ records were analysed. The mean age was 4.7 years, with a peak at 1–3 years. The male:female ratio was 1.4:1. All the cases were in New York Heart Association (NYHA) class II–IV. Evaluation of infants was based on the classification proposed by Ross et al. (1992). Diagnosis was made based on symptoms and signs combined with echocardiography (echo) and electrocardiography (ECG) (38%); echo alone (12.7%); ECG, echo and chest X-ray (CXR) (11.4%); and ECG alone (10.8%). The underlying cause was established on the basis of symptoms, signs, blood tests, CXR, echo and ECG results. Common causes were infection (22.8%), anaemia (17.1%), rheumatic heart disease (14.6%), congenital heart disease (13.3%), cardiomyopathy (7.6%), tuberculosis and human immunodeficiency virus (6.9% each); 77.9% of patients recovered, 13.9% after successful surgery, and 7.6% died.ConclusionCongestive heart failure is not uncommon in the Kenyan paediatric population. It occurs mainly before five years of age, and affects boys more than girls. The majority are due to infection, anaemia, and rheumatic and congenital heart diseases. This differs from those in developed countries, where congenital heart disease and cardiomyopathy predominate. The majority of children usually recover. Prudent control of infection and correction of anaemia are recommended.
Background: Hypertensive kidney disease is a major cause of morbidity and mortality. Its pattern displays geographical and ethnic variations. Data on these patterns are important for informing management and prevention strategies, but on Kenyans such data are scarce. Objective: By means of a retrospective study at Kenyatta National Hospital, Nairobi, we aimed to describe the pattern of hypertensive kidney disease in a black Kenyan population. Methods: Records of hypertensive patients who had impaired kidney function between January 2000 and December 2010 were examined for mode of diagnosis, age, gender, comorbid factors, treatment and outcome. Data were analyzed using the Statistical Package for Social Sciences, version 16.0 for Windows, and are presented using tables and bar charts. Results: A total of 114 cases (72 males, 42 females) were analyzed. The mean age was 42.7 years (range 12–83), peaking at 51–70 years. The male to female ratio was 1.7:1. Comorbid factors included left ventricular hypertrophy (21.1%), congestive heart failure (15.8%), alcohol (11.4%), cerebrovascular accidents, smoking and retinopathy (10.5% each). Multiple comorbid factors were present in 8.8% of the cases. The majority (52.6%) of the patients survived on hemodialysis, 8.8% underwent successful renal transplant and 22.8% died. Conclusion: Hypertensive kidney disease affects all age groups, males more than females. It is commonly associated with other cardiovascular conditions and carries a high morbidity. Vigilant control of blood pressure is recommended.
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