An enhanced method for accessory pathway localization in case of Wolff-Parkinson-White syndrome

Szilágyi, S.M. and Szilágyi, L. and Görög, L.K. and Luca, C.T. and Cozma, D. and Ivanica, G. and Benyó, Z. (2011) An enhanced method for accessory pathway localization in case of Wolff-Parkinson-White syndrome. Acta Physiologica Hungarica, 98 (3). pp. 347-358. ISSN 0231-424X

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Abstract

This paper presents an analysis of the Arruda accessory pathway localization method for patients suffering from Wolff-Parkinson-White syndrome, with modifications to increase the overall accuracy. The Arruda method was tested on a total of 79 cases, and 91.1% localization performance was reached. After a deeper analysis of each decision point of the Arruda localization method, we considered that the lead aVF was not as relevant as other leads (I, II, III, V1) used. The branch of the decision tree, which evaluates the left ventricle positions, was entirely replaced using different decision criteria based on the same biological parameters. The modified algorithm significantly improves the localization accuracy in the left ventricle, reaching 94.9%. An accurate localization performance of non-invasive methods is relevant because it can enlighten the necessary invasive interventions, and it also reduces the discomfort caused to the patient.

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