Estimation of renal scarring in children with lower urinary tract dysfunction by utilizing resampling technique and machine learning algorithms

Yıl 2020, , 573 - 577, 01.07.2020

Özer Çelik , Ahmet Faruk Aslan , Usame Ömer Osmanoğlu , Nuran Cetın , Baran Tokar

https://doi.org/10.28982/josam.691768

Öz

Aim: Classical database methods may be inadequate for large data sets accumulating continuously. Machine learning (ML), one of the main subsets of artificial intelligence, may solve this problem and find the best solution for future problems by gaining experience from the present data in medical studies. A method that may show the correlation between clinical findings and renal scarring (RS) with high accuracy in patients with lower urinary tract dysfunction (LUTD) is needed. In this study, the aim is to establish a model for the prediction of RS in children with LUTD by using ML.
Methods: Patients older than three years of age (n=114) who needed urodynamic study were included in the study. There were 47 variables in the data set. Variables such as symptomatic urinary tract infection, vesicoureteral reflux, bladder trabeculation, bladder wall thickness, abnormal DMSA scintigraphy, and the use of clean intermittent catheterization were recorded. Several ML techniques (MLT) were applied to estimate RS.
Results: As a result of the comparisons, the highest accuracy rate according to the confusion matrix was obtained by the Extreme Gradient Boosting (XGB) algorithm (91.30%). In the balanced (SMOTE) data set, the highest accuracy rate was obtained by the Artificial Neural Network (ANN) algorithm (90.63%). According to the Receiver Operating Characteristic (ROC), the highest success rate was obtained by the ANN algorithm in the balanced (SMOTE) data set (90.78%).
Conclusion: High accuracy rates obtained by MLT may suggest that MLT might provide a faster and accurate evaluation process in the estimation of RS in patients with LUTD.

Anahtar Kelimeler

Artificial intelligence, Machine learning, Renal Scar, Lower urinary tract dysfunction, Children

Alt üriner sistem disfonksiyonu olan çocuklarda böbrek skarının yeniden örnekleme tekniği ve makine öğrenme algoritmaları kullanılarak tahmini

Öz

Amaç: Klasik veritabanı yöntemleri, sürekli biriken büyük veri kümeleri için yetersiz olabilir. Yapay zekanın ana alt kümelerinden biri olarak makine öğrenme (MÖ) bu sorunu çözebilir ve tıbbi çalışmalarda mevcut verilerden deneyim kazanarak özellik problemleri için en iyi çözümü bulabilir. Alt üriner sistem disfonksiyonu (AÜSD) olan hastalarda klinik bulgularla renal skar (RS) arasında yüksek doğrulukla korelasyonu gösterebilecek bir yönteme ihtiyaç vardır. Bu çalışmada, AÜSD’lu çocuklarda MÖ kullanarak böbrek skarının tahmini için bir model oluşturmak amaçlanmıştır.
Yöntemler: Ürodinamik çalışmaya ihtiyaç duyan üç yaşından büyük hastalar (n=114) çalışmaya dahil edildi. Veri seti 47 değişkenden oluştu. Semptomatik idrar yolu enfeksiyonu, vezikoüreteral reflü, mesane trabekülasyonu, mesane duvarı kalınlığı, anormal DMSA sintigrafisi, temiz aralıklı kateterizasyon kullanımı gibi değişkenler kaydedildi. RS tahmini için farklı MÖ teknikleri (MÖT) uygulandı.
Bulgular: Karşılaştırmalar sonucunda, Karışıklık Matrisi’ne göre en yüksek doğruluk oranı (%91,30), dengesiz veri kümesinde Extreme Gradient Boosting algoritması ile elde edilmiştir. Dengeli (SMOTE) veri setinde ise, en yüksek doğruluk oranı (%90,63) Yapay Sinir Ağı (YSA) algoritması ile elde edilmiştir. Alıcı İşleme Karakteristiği’ne (ROC) göre, en yüksek başarı oranı (%90,78), SMOTE veri setinde YSA algoritması ile elde edilmiştir.
Sonuç: MÖT tarafından elde edilen yüksek doğruluk oranları, MÖT’lerin AÜSD’lu hastaların RS tahmininde daha hızlı ve doğru bir değerlendirme süreci sağlayabileceğini düşündürmektedir.

Anahtar Kelimeler

Yapay zeka, Makine öğrenme, Renal skar, Alt üriner sistem disfonksiyonu, Çocuk

Kaynakça

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