Abstract

BackgroundCongenital heart defects (CHD) are the singular most common congenital anomalies and account for a significant fraction of childhood mortality and morbidity. CHD occurs in ~ 1% of livebirths globally and often requires surgical interventions to improve quality of life and survival of patients. The prevalence and clinical presentations of CHD within specific populations provide a clearer overview of the burden of CHD and informs appropriate interventions. However, there is limited data on clinical presentation and occurrence of CHD in African countries such as Ghana where most cases are either diagnosed late or missed entirely resulting in increased mortality. In this retrospective study, we assessed the clinical presentations, associated comorbidities, and prescription patterns of diagnosed CHD in a tertiary facility in Ghana.MethodThis retrospective study utilized data from electronic health records (EHR) from the child health clinic of the Cape Coast Teaching Hospital - a tertiary health facility in Ghana from January 2018 to October 2019. All suspected or provisionally diagnosed cases including those confirmed with echocardiography were included in our analysis.ResultsOver 10, 000 records were reviewed, CHD was diagnosed in 79 cases, and 51 cases had complete clinical records including the type of CHD and clinical presentation. Male to female ratio was approximately 1:1 and 77.2% of the diagnoses were in children below 5 years. Acyanotic congenital heart defects were most commonly diagnosed with ventricular septal defects (VSD) and patent ductus arteriosus (PDA) being the simplest singular CHD. Tetralogy of Fallot, was the most common complex CHD accounting for 25.5% (13) of cases. Bronchopneumonia, upper respiratory infections and pneumonia were the most commonly diagnosed comorbidities accounting for over 35% of non-cardiac sequalae based on antibiotic and diuretic use.ConclusionOur study showed that over 75% of CHD cases were diagnosed under 5 years with VSD and TOF being the most commonly diagnosed acyanotic and cyanotic lesions, respectively. This study presents preliminary data that give an overview of CHD burden in Ghana that will inform future research and appropriate interventions.

Highlights

  • Congenital heart defects (CHD) are the singular most common congenital anomalies and account for a significant fraction of childhood mortality and morbidity

  • Acyanotic congenital heart defects were most commonly diagnosed with ventricular septal defects (VSD) and patent ductus arteriosus (PDA) being the simplest singular CHD

  • This study presents preliminary data that give an overview of CHD burden in Ghana that will inform future research and appropriate interventions

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Summary

Introduction

Congenital heart defects (CHD) are the singular most common congenital anomalies and account for a significant fraction of childhood mortality and morbidity. There is limited data on clinical presentation and occurrence of CHD in African countries such as Ghana where most cases are either diagnosed late or missed entirely resulting in increased mortality. In this retrospective study, we assessed the clinical presentations, associated comorbidities, and prescription patterns of diagnosed CHD in a tertiary facility in Ghana. Congenital heart defects (CHD) are the most common congenital birth defects affecting 1–2% of all live births globally with an estimated incidence of 8–10/1000 live births [1,2,3]. CHD malformations occur as single lesions or in combination with other heart defects [9]. Majority of septal defects such as VSD, ASD and AVSD are classified as acyanotic CHD lesions with oxygen saturation normally above 95%

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