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Intervention with surgeons improves the accuracy of predicted operating room time

operating room
Credit: CC0 Public Domain

Reducing the manipulation of operating room (OR) scheduling can improve scheduling accuracy and potentially maximize OR usage, avoid delays, and enhance patient satisfaction, according to a study published in the Journal of Healthcare Management (JHM).

"Traditional OR scheduling, based on the surgeon's self-estimation of the time of the operation, has been shown to be insufficient for optimal OR utilization," explains Mohamed Elsaqa, MD, a research fellow at the Baylor Scott and White Medical Center in Temple, Texas, and colleagues. "More recently, electronic health record (EHR) systems and machine learning models have been used to improve OR scheduling accuracy. These can determine the expected operative time for a specific operation based on the average of the surgeon's previous similar procedures."

However, the surgeon or scheduler often manipulates the predicted OR time, the authors say, and this issue is rarely discussed or acknowledged. The researchers continued, "the incentive for manipulating OR time can be the lack of trust in the EHR system prediction model and the perception of deficient accounting for the variability and complexity of cases. The manipulation also may be seen as a way to allow extra or urgent cases to be added to an already-loaded schedule."

Unfortunately, when an operation extends beyond the planned time, subsequent operations may need to be postponed or even canceled, resulting in patient stress and dissatisfaction, staffing challenges, and unplanned overtime. When the actual time is shorter than predicted, the OR may remain unused, which wastes resources and results in increased expenses.

Reduced manipulation of OR time increased overall scheduling accuracy

In the first study of its kind, Dr. Elsaqa's group examined a strategy to reduce manipulation of OR time predictions at three hospitals in a single tertiary care center. Through a followed by e-mails, surgeons were educated that optimal OR planning and efficient scheduling can be achieved only when predictions about the time needed for elective operations are reliable. They were urged to not manipulate the operative time predicted for their cases through the Epic EHR.

The primary endpoint of the study was the percentage of subsequent operations that were accurately scheduled. Accuracy was defined as total actual case length within ±30 minutes of the scheduled time for procedures lasting ≥150 minutes or within ±20% of the scheduled time for procedures lasting <150 minutes.

The researchers analyzed data on 8,821 single-surgeon operations: 4,243 in group 1 (performed between November 2021 and March 2022, before the intervention with surgeons) and 4,578 in group 2 (performed between April and August 2022, the pilot trial period). The key results were:

  • The overall of significantly increased, from 41.7% in group 1 to 47.9% in group 2 (p=.0001)
  • The percentage of operations that had time manipulated significantly declined, from 19.8% in group 1 to 7.6% in group 2 (p<.0001)
  • The percentage of underscheduled operations (actual time was greater than predicted time) was 38.9% in group 1 and 31.8% in group 2 (p=.00001)
  • The percentage of overscheduled operations (actual time was less than predicted time) was 19.2% in group 1 and 20.2% in group 2 (p=.27)

"With a comparable number of operations and workloads in both study groups, our results show that reducing the manipulations reduces the underscheduled case percentage without a significant increase in the percentage of overscheduled cases. This indicates that surgeons tend to underestimate their OR time," the authors conclude. They encourage other health care systems to implement strategies like those presented in JHM.

More information: Mohamed Elsaqa et al, Operative Time Accuracy in the Era of Electronic Health Records: Addressing the Elephant in the Room, Journal of Healthcare Management (2024). DOI: 10.1097/JHM-D-23-00073

Citation: Intervention with surgeons improves the accuracy of predicted operating room time (2024, March 13) retrieved 25 May 2024 from https://medicalxpress.com/news/2024-03-intervention-surgeons-accuracy-room.html
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