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Electroglottographic assessment of the results of medical treatment of patients with vocal cords polyps

Steczko A., Składzień J., Zielińska J.

Journal of Medical Informatics & Technologies

2007

Vol. 11

285--291

The subject matter of this paper is a multileyered objective analysis of extipartion phonomicrosurgery in treatment of benign vocal cords lesions, assessed in electroglottographic examinations. A group of 26 patients with benign larynx lesions were included in a prospective clinical trial. All phonomicrosurgery procedures were conducted at the Department of Otolaryngology at the CM UJ in Kraków. For electroglottographic analysis the following were used: mean irregularity factor for the word "ola", and the voice profile for the vowel "a" using the mean parameter of glottis closure Qx - mean, mean frequency of glottis tone - Fx mean, Jitter factor first mean and Schimmer factor plus mean. In electroglottographic assessment after the phonomicrosurgical procedures stable improvement of the phonation function of larynx. This trial proved the usefulness of the electroglottographic examinations for the multi-layered analysis of the phonation function of glottis in diagnosis and treatment of patients suffering from vocal cords polyps.

Mathematical models describing polypean illnesses in stomach

Buczaj M., Pietrzyk W.

Przegląd Elektrotechniczny

2005

R. 81, nr 2

33-36

The presented work proposes a mathematical model that describes polyps as stomach illnesses. It presents a practical application of the proposed model to measure polyp sizes. A method for determining polyp sizes on the basis of characteristic points plotted over the obtained video material has been also proposed. Authors proposed to use two coordinates system for describe of share: the spheroidal coordinates (prolate and oblate) ([eta]; [psi]) or the parabolic coordinates ([my], [ypsilon], [psi]). The first coordinates system describe shares from spherical to segment. The second coordinates system describe figures from oblate spheroidal to spherical.

W pracy zaproponowano model matematyczny polipów chorób żołądka. Przedstawiono praktyczne zastosowanie modelu do estymacji wymiarów polipów oraz zaproponowano metodę określania wielkości polipa na podstawie punktów charakterystycznych nanoszonych na materiał wideo uzyskany w wyniku endoskopii. Autorzy zaproponowali dwa różne układy współrzędnych, które mogą być zastosowane do opisu różnych polipów: układ sferoidalny i układ paraboliczny.