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Rheumatic fever in Nigerian children: a prospective study
Insights
Early diagnosis of acute rheumatic fever (ARF) is crucial. Prompt recognition of initial ARF attacks in children can significantly reduce long-term cardiac damage and improve outcomes.
Area of Science:
- Pediatrics
- Cardiology
- Rheumatology
Background:
- Acute rheumatic fever (ARF) diagnosis is often delayed, leading to severe cardiac damage.
- Effective primary prophylaxis for ARF is not yet widely available.
- Early identification of initial ARF attacks is vital for secondary prophylaxis and reducing mortality.
Purpose of the Study:
- To determine the frequency of initial versus recurrent acute rheumatic fever attacks.
- To assess the relationship between delayed diagnosis and cardiac involvement severity.
- To emphasize the importance of early ARF detection.
Main Methods:
- A prospective study was conducted over five years at Lagos University Teaching Hospital.
- Children suspected of having rheumatic fever were diagnosed using the Jones criteria.
- Cases were categorized into initial and recurrent illness groups.
Main Results:
- Twenty-one cases of acute rheumatic fever were diagnosed.
- Ten cases (47.6%) represented the initial illness stage.
- Delayed recognition correlated directly with increased cardiac damage severity.
Conclusions:
- Prompt recognition of initial acute rheumatic fever attacks is essential.
- Early diagnosis can minimize cardiac morbidity and mortality associated with ARF.
- Efforts should focus on identifying first-time ARF cases for effective management.
Abstract:
The initial attack of acute rheumatic fever is hardly ever diagnosed in our environment. Most cases of acute rheumatic fever are seen during recurrent illness when cardiac damage is already severe and death from cardiac failure common. In the absence of effective primary prophylaxis against rheumatic fever in the foreseeable future it is important to find every case of acute rheumatic fever at the first attack, as on this would depend effective secondary prophylaxis and, hopefully, reduction of the morbidity and mortality rates. A prospective study was set up to achieve this aim. All cases suspected of having rheumatic fever among children seen at the Lagos University Teaching Hospital over a period of five years were subjected to the Jones' diagnostic criteria for diagnosis, and grouped into "Initial illness" and "Recurrent illness" groups. Twenty-one cases of acute rheumatic fever were diagnosed during the period, out of which ten (47.6%) were in the initial stage of the illness. There was a direct relationship between the severity of cardiac involvement and delay in recognition of the condition. It was concluded that efforts aimed at prompt recognition of the initial illness would be rewarding in minimising cardiac morbidity and mortality.