Predicting postoperative vomiting for orthopedic patients receiving patient-controlled epidural analgesia with the application of an artificial neural network.
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| Abstract |
Patient-controlled epidural analgesia (PCEA) was used in many patients receiving orthopedic surgery to reduce postoperative pain but is accompanied with certain incidence of vomiting. Predictions of the vomiting event, however, were addressed by only a few authors using logistic regression (LR) models. Artificial neural networks (ANN) are pattern-recognition tools that can be used to detect complex patterns within data sets. The purpose of this study was to develop the ANN based predictive model to identify patients with high risk of vomiting during PCEA used. From January to March 2007, the PCEA records of 195 patients receiving PCEA after orthopedic surgery were used to develop the two predicting models. The ANN model had a largest area under curve (AUC) in receiver operating characteristic (ROC) curve. The areas under ROC curves of ANN and LR models were 0.900 and 0.761, respectively. The computer-based predictive model should be useful in increasing vigilance in those patients most at risk for vomiting while PCEA is used, allowing for patient-specific therapeutic intervention, or even in suggesting the use of alternative methods of analgesia.
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| Authors | Cihun-Siyong Alex Gong, Lu Yu, Chien-Kun Ting, Mei-Yung Tsou, Kuang-Yi Chang, Chih-Long Shen, Shih-Pin Lin |
| Journal | BioMed research international (Biomed Res Int) Vol. 2014 Pg. 786418 ( 2014) ISSN: 2314-6141 [Electronic] United States |
| PMID | 25162027 (Publication Type: Journal Article, Research Support, Non-U.S. Gov't) |
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