Abstract
BackgroundAlthough echocardiography is a useful and cost-effective technique for the detection of morphological and functional cardiac abnormalities, it has a main limitation in its subjectivity. Therefore the aim of the present study was to assess the intra-observer reproducibility and validity of 2-dimensional guided M-mode echo measurements at a Nigerian metropolitan HospitalMethodsStandard echocardiographic examination was performed on twenty randomly selected patients (11 men and 9 women) aged 59.8 ± 12.6 years in two different sessions seven days apart.ResultsA good degree of intraobserver agreement was observed between test 1 and test 2. The correlation coefficient between the first and second studies ranged between 0.60 and 0.96; measurement errors between 0.050 and 0.205.ConclusionWe would conclude that 2-dimensional guided M-mode measurements at echocardiography performed at our centre are reproducible with low intra-observer variability.
Highlights
Echocardiography is a useful and cost-effective technique for the detection of morphological and functional cardiac abnormalities, it has a main limitation in its subjectivity
We would conclude that 2-dimensional guided M-mode measurements at echocardiography performed at our centre are reproducible with low intra-observer variability
Echocardiography came into use in Nigeria in the mid 70's, in very few centres mostly concentrated in urban areas
Summary
Echocardiography is a useful and cost-effective technique for the detection of morphological and functional cardiac abnormalities, it has a main limitation in its subjectivity. Echocardiography came into use in Nigeria in the mid 70's, in very few centres mostly concentrated in urban areas. Accessibility to echocardiography in Nigeria is still very low due to the high costs of the technique and to the lack of highly specialized personnel performing it. The country has less than fifty cardiologists serving a population of over 120 million inhabitants. Training in echocardiography is part of the postgraduate residency training requirements in cardiology in Nigeria. The country, like most developing nations does not have an accreditation process as those designed in Europe and the United States. Some of the cardiologists had part or all of their clinical training in advanced countries
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