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• W2762744391 abstract "Background: Hemodynamic instability and cardiovascular events heavily affect the prognosis of traumatic brain injury. Physiological signals are monitored to detect these events. However, the signals are often riddled with faulty readings, which jeopardize the reliability of the clinical parameters obtained from the signals. A machine-learning model for the elimination of artifactual events shows promising results for improving signal quality. However, the actual impact of the improvements on the performance of the clinical parameters after the elimination of the artifacts is not well studied. Materials and Methods: The arterial blood pressure of 99 subjects with traumatic brain injury was continuously measured for 5 consecutive days, beginning on the day of admission. The machine-learning deep belief network was constructed to automatically identify and remove false incidences of hypotension, hypertension, bradycardia, tachycardia, and alterations in cerebral perfusion pressure (CPP). Results: The prevalences of hypotension and tachycardia were significantly reduced by 47.5% and 13.1%, respectively, after suppressing false incidents ( P =0.01). Hypotension was particularly effective at predicting outcome favorability and mortality after artifact elimination ( P =0.015 and 0.027, respectively). In addition, increased CPP was also statistically significant in predicting outcomes ( P =0.02). Conclusions: The prevalence of false incidents due to signal artifacts can be significantly reduced using machine-learning. Some clinical events, such as hypotension and alterations in CPP, gain particularly high predictive capacity for patient outcomes after artifacts are eliminated from physiological signals." @default.
• W2762744391 created "2017-10-20" @default.
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• W2762744391 date "2018-10-01" @default.
• W2762744391 modified "2023-10-17" @default.
• W2762744391 title "Hemodynamic Instability and Cardiovascular Events After Traumatic Brain Injury Predict Outcome After Artifact Removal With Deep Belief Network Analysis" @default.
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• W2762744391 doi "https://doi.org/10.1097/ana.0000000000000462" @default.
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