Why the study?
Does computer diagnosis using a reduced set of vectorcardiogram (VCG) parameters maintain diagnostic accuracy for congenital heart disease compared to a full set?
Does computer diagnosis using a reduced set of vectorcardiogram (VCG) parameters maintain diagnostic accuracy for congenital heart disease compared to a full set?
Computer-based diagnosis of congenital heart disease using a reduced set of 8 VCG parameters from at least two planes provides high diagnostic accuracy while saving computational resources.
May support efficient computer diagnosis of congenital heart disease with 8 VCG parameters; hypothesis-generating and needs prospective validation.
Differential computer diagnosis was performed on 443 patients with con-genital heart disease with use of the likelihood applied to simple VCG parameters in clinical use. The diagnostic performance was so high that this diagnostic procedure was considered to be clinically applicable. To save memory and time in computer diagnosis as well as in clinical practice, reduction in the number of parameters was attempted in the light of the "average information". A set of 8 parameters showed only an insignificant loss of diagnostic accuracy in comparison with the set of all 24 parameters studied. No significant difference was observed in diagnostic accuracy when parameters from two or three planes were used. However, the diagnostic accuracy for a single plane was significantly inferior to that for two or more planes.
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Akira Nakamura (1970) studied this question.
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