Medical diagnosis of rheumatoid arthritis disease from right and left hand Ulnar artery Doppler signals using adaptive network based fuzzy inference system (ANFIS) and MUSIC method

Authors:
Ali Osman Özkan;Sadık Kara;Ali Salli;Mehmet Emin Sakarya;Salih Güneş
Affiliations:
Selcuk University, Vocational College of Technical Sciences, 42003 Konya, Turkey;Fatih University, Institute of Biomedical Engineering, 34500 Istanbul, Turkey;Selcuk University, Meram Faculty of Medicine, Dept. of Physical Med. and Rehabilitation, Konya, Turkey;Selcuk University, Meram Faculty of Medicine, Dept. of Radiology, Konya, Turkey;Selcuk University, Dept. of Electrical and Electronics Eng., 42035 Konya, Turkey
Venue:
Advances in Engineering Software
Year:
2010

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Abstract

Rheumatoid arthritis (RA) is a multi-systemic autoimmune disease that leads to substantial morbidity and mortality. In this paper, as spectral analysis methods of Multiple Signal Classification (MUSIC) method is used in order to extract the significant features from the right and left hand Ulnar artery Doppler signals for the diagnosis of RA disease. The MUSIC method has been used as subspace method. To extract features from Doppler signals obtained from the right and left hand Ulnar arterial the MUSIC method model degrees of 5, 10, 15, 20, and 25 were used. Then, an adaptive network based fuzzy inference system (ANFIS) was applied to features extracted from the right and left hand Ulnar artery Doppler signals for classifying RA disease. The methods are not new, but the study has a novelty in that the application area of these methods is new. In the hybrid model, the combination of MUSIC and ANFIS yielded classification accuracies of 95% (for a model degree of 20) using the right hand Ulnar artery and classification accuracies of 91.25% (for a model degree of 10) using left hand Ulnar artery Doppler signals in the diagnosis of RA disease. The proposed approach has potential to help with the early diagnosis of RA disease for the specialists who study this subject.