Machine Learning Prediction Models to Reduce Length of Stay at Ambulatory Surgery Centers Through Case Resequencing.

The post-anesthesia care unit (PACU) length of stay is an important perioperative efficiency metric. The aim of this study was to develop machine learning models to predict ambulatory surgery patients at risk for prolonged PACU length of stay - using only pre-operatively identified factors - and the...

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Publicado en:Journal of Medical Systems Vol. 47; no. 1; pp. 1 - 10
Autores principales: Tully, Jeffrey L., Zhong, William, Simpson, Sierra, Curran, Brian P., Macias, Alvaro A., Waterman, Ruth S., Gabriel, Rodney A.
Formato: review tables/charts Journal Article
Publicado: Springer Nature 7/10/2023
Acceso en línea:Ver este registro en EBSCOhost
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      dt: 7/10/2023
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      pub: Springer Nature
      place: New York, New York
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        atl: Machine Learning Prediction Models to Reduce Length of Stay at Ambulatory Surgery Centers Through Case Resequencing.
      aug:
        au:
          Tully, Jeffrey L.
          Zhong, William
          Simpson, Sierra
          Curran, Brian P.
          Macias, Alvaro A.
          Waterman, Ruth S.
          Gabriel, Rodney A.
        affil: Department of Anesthesiology, Division of Perioperative Informatics, University of California, San Diego, La Jolla, CA, USA
      sug:
        subj:
          Machine Learning
          Prediction Models
          Length of Stay
          Surgicenters
          Post Anesthesia Care Units
          Personnel Staffing and Scheduling
          Descriptive Statistics
          Ambulatory Surgery Economics
          Artificial Intelligence
          Data Analysis Software
          Organizational Efficiency
          Quality Improvement
          Operating Rooms
          Technology
          Anesthesia Methods
      ab: The post-anesthesia care unit (PACU) length of stay is an important perioperative efficiency metric. The aim of this study was to develop machine learning models to predict ambulatory surgery patients at risk for prolonged PACU length of stay - using only pre-operatively identified factors - and then to simulate the effectiveness in reducing the need for after-hours PACU staffing. Several machine learning classifier models were built to predict prolonged PACU length of stay (defined as PACU stay ≥ 3 hours) on a training set. A case resequencing exercise was then performed on the test set, in which historic cases were re-sequenced based on the predicted risk for prolonged PACU length of stay. The frequency of patients remaining in the PACU after-hours (≥ 7:00 pm) were compared between the simulated operating days versus actual operating room days. There were 10,928 ambulatory surgical patients included in the analysis, of which 580 (5.31%) had a PACU length of stay ≥ 3 hours. XGBoost with SMOTE performed the best (AUC = 0.712). The case resequencing exercise utilizing the XGBoost model resulted in an over three-fold improvement in the number of days in which patients would be in the PACU past 7pm as compared with historic performance (41% versus 12%, P<0.0001). Predictive models using preoperative patient characteristics may allow for optimized case sequencing, which may mitigate the effects of prolonged PACU lengths of stay on after-hours staffing utilization.
      pubtype: Academic Journal
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        review
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      ougenre: Article
    language: English
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