Artificial neural network modelling of the results of tympanoplasty in chronic suppurative otitis media patients

Szaleniec, Joanna; Wiatr, Maciej; Szaleniec, Maciej; Składzień, Jacek; Tomik, Jerzy; Ole, Krzysztof; Tadeusiewicz, Ryszard

doi:10.1016/j.compbiomed.2012.10.003

Cited by 39 publications

(34 citation statements)

References 20 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…According to data in the literature, confirmation that the suprastructure of the stapes is normal after the cholesteatoma lesions have been eliminated, and the subsequent reconstruction of the ossicular chain by placing the patient’s own modelled ossicle on the head of the stapes, results in hearing improvement in nearly a half of the patients [2–6]. Among the analyzed patients, the improvement was significantly greater in the group with cholesteatoma than in the cases where the ossicular chain was damaged to a comparable degree, but the damage co-occurred with other pathological changes to the middle ear mucous.…”

Section: Discussionmentioning

confidence: 99%

See 1 more Smart Citation

Usefulness of a ventilation tube as a partial ossicular replacement prosthesis (PORP) in ossiculoplasty in patients with chronic otitis media

et al. 2014

View full text Add to dashboard Cite

BackgroundThe principal objective of ossiculoplasty is to reconstruct the sound-conducting system in the ear to the best possible degree after the elimination of pathological lesions from the middle ear. The ossicular chain is reconstructed with the use of the patient’s own properly modelled ossicles and synthetic prostheses. The objective of the study was to assess the degree of hearing improvement after tympanoplasty in patients for whom a ventilation tube was used as a partial ossicular replacement prosthesis (PORP).Material/MethodBetween 2009 and 2012, 387 patients underwent ear surgery at the Otolaryngological Teaching Hospital of the Collegium Medicum at the Jagiellonian University of Cracow. We focussed on the patients in whom a vibrating element in the form of a properly modelled anvil or a ventilation tube was attached to the preserved and normally mobile stapes.ResultsA significant hearing improvement was observed in patients with type 2 tympanoplasty in the course of chronic cholesteatoma otitis media and in patients with simple chronic inflammatory process in whom a ventilation tube was used as a PORP in the reconstruction. Granulation tissue was determined to be an unfavorable factor in the prognosis of hearing improvement following tympanoplasty.ConclusionsSignificant hearing improvement was observed after type 2 tympanoplasty in patients with cholesteatoma whose ossicular chain was not appreciably damaged. A ventilation tube used as a PORP is an effective alternative in the reconstruction of the ossicular chain.

show abstract

Section: Discussionmentioning

confidence: 99%

“…The ossicular chain is reconstructed with the use of the patient’s own properly modelled ossicles and synthetic prostheses. The patient’s own tissues are an acknowledged material for use in otosurgery [4–6]. …”

Section: Introductionmentioning

confidence: 99%

Usefulness of a ventilation tube as a partial ossicular replacement prosthesis (PORP) in ossiculoplasty in patients with chronic otitis media

et al. 2014

View full text Add to dashboard Cite

show abstract

“…Na zakończenie warto wspomnieć, że w ostatnich latach autorzy z Uniwersytetu Jagiellońskiego i Akademii Górniczo-Hutniczej w Krakowie opublikowali prace dotyczące prognozowania poprawy słuchu po zabiegach tympanoplastyki u chorych z przewlekłym zapaleniem ucha środkowego [28,29]. W pierwszej z omawianych prac [28] wykorzystano klasyfikacyjne ANN do predykcji poprawy słuchu po zabiegach rekonstrukcji łańcucha kosteczek słuchowych w zależności od wyników przedoperacyjnego badania klinicznego, nieprawidłowości ucha środkowego stwierdzonych śródoperacyjnie oraz przebiegu zabiegu operacyjnego.…”

Section: Zastosowanie Ann W Medycynieunclassified

“…Uzyskano prawidłowe prognozowanie poprawy słuchu u wszystkich (100%) chorych, co wskazuje na to, że efekty leczenia operacyjnego tych chorych są przewidywalne, a ANN mogą stanowić efektywne narzędzie służące do prognozowania pooperacyjnej poprawy słuchu. W drugiej pracy [29] porównano wyniki predykcji skuteczności leczenia, potraktowanej jako zadanie klasyfikacyjne w odniesieniu do osiągnięcia założonej wartości progowej poprawy słuchu, uzyskane przy pomocy ANN i metody k-najbliższych sąsiadów. Wykazano przewagę zastosowania ANN, które prawidłowo zaklasyfikowały 84% przypadków, podczas gdy druga z analizowanych metod zidentyfikowała prawidłowo 75,8% przypadków.…”

Section: Zastosowanie Ann W Medycynieunclassified

Applicability of artificial neural networks in modelling endocrine disorders and growth processes

Smyczyńska¹,

Smyczyńska²,

Lewiński³

2015

Pediatr. Endocrinol.

View full text Add to dashboard Cite

Nowadays artificial neural networks (ANN) are quite a popular computational tool, considered as a form of artificial intelligence. The paper presents the structure of artificial neuron and functioning of those types of neural networks that are most often applied to solve medical problems (feedforward and recurrent networks). Training of ANN-supervised and unsupervised-was also described since it is an essential stage of building all neural network models. Finally, the tasks performed by neural networks were characterisedand divided in 2 categories: classification and regression problems. The second part of text contains the review of medical applications of ANN with, which was prepared with special attention given to endocrinological and diabetological issues as well as to research done by Polish authors.

show abstract

“…[2] Of the few studies investigating the performance of data mining algorithms for predicting surgical morbidity or mortality, most have been small (several hundred or several thousand patients)[5–10], though a few larger studies have been reported. [11–17] These studies have been inconsistent in their findings, in that some have shown data mining algorithms to perform better than traditional logistic regression in terms of overall accuracy[13, 14, 16, 18], discrimination[13, 14, 16], or calibration[11], whereas some have reported similar performance according to these measures.…”

Section: Introductionmentioning

confidence: 99%

Pre-operative prediction of surgical morbidity in children: Comparison of five statistical models

Cooper

Wei

Fernández

et al. 2015

Computers in Biology and Medicine

View full text Add to dashboard Cite

Background The accurate prediction of surgical risk is important to patients and physicians. Logistic regression (LR) models are typically used to estimate these risks. However, in the fields of data mining and machine-learning, many alternative classification and prediction algorithms have been developed. This study aimed to compare the performance of LR to several data mining algorithms for predicting 30-day surgical morbidity in children. Methods We used the 2012 National Surgical Quality Improvement Program-Pediatric dataset to compare the performance of 1) a LR model that assumed linearity and additivity (simple LR model) 2) a LR model incorporating restricted cubic splines and interactions (flexible LR model) 3) a support vector machine, 4) a random forest and 5) boosted classification trees for predicting surgical morbidity. Results The ensemble-based methods showed significantly higher accuracy, sensitivity, specificity, PPV, and NPV than the simple LR model. However, none of the models performed better than the flexible LR model in terms of the aforementioned measures or in model calibration or discrimination. Conclusion Support vector machines, random forests, and boosted classification trees do not show better performance than LR for predicting pediatric surgical morbidity. After further validation, the flexible LR model derived in this study could be used to assist with clinical decision-making based on patient-specific surgical risks.

show abstract

Artificial neural network modelling of the results of tympanoplasty in chronic suppurative otitis media patients

Cited by 39 publications

References 20 publications

Usefulness of a ventilation tube as a partial ossicular replacement prosthesis (PORP) in ossiculoplasty in patients with chronic otitis media

Usefulness of a ventilation tube as a partial ossicular replacement prosthesis (PORP) in ossiculoplasty in patients with chronic otitis media

Applicability of artificial neural networks in modelling endocrine disorders and growth processes

Pre-operative prediction of surgical morbidity in children: Comparison of five statistical models

Contact Info

Product

Resources

About