CaSPr application - Optimisation of the future Operating Rooms

05 mai 2021

Hict applied CaSPr in the reorganisation of the operating theatre of EpiCURA. Based on the future care demand and required capacity, specific recommendations were provided to the hospital with respect to the size and number of operating theatres.

Project Highlights

Customer: EpiCURA

Main Goal: Defining optimal scenarios related to the renovation of operation theatres

Main Result: Detailed analysis with respect to recommended size and amount of operation theatres, given future evolution of care demand


In the context of the renovation and extension of operation theatres, Hict realized two studies related to following request:

  1. How to size the number of operation theatres in every site of the hospital group?
  2. Which activities and programming to define in the context of reallocation between two sites?


Three key methodologies were used to tackle both projects:

  1. OR analysis - Operation room optimalisation model
  2. CaSPr – simulation and extrapolation of operation room activity
  3. Workshops - Strategic contribution of the hospital

CaSPr analyses the future activity of the hospital for conventional and day hospitalization and the operating theatre optimization model translates this future activity into an optimized flow. The contribution of the hospital was essential to gather all the necessary contributions regarding strategic issues.


Through a proven stepped approach, we were able to identify the optimal scenarios.


Step 1 & 2: Data collection, validation & preparation

The following minimal data from the operation theatre were processed & validated:

  • Date of the operation
  • Starting time of the operation
  • Ending time of the operation
  • Specialism & specialists
  • Operation theatre
  • Type of operation (emergency, planned, same day)
  • Opening hour operation theatre

Step 3: AS IS analysis

After verifying and preparing the input data, we analysed the current situation:

  • For every operating theatre
  • For every specialism

While doing this, we identified potential optimisations, based on following parameters:

  • Free vacation time (TVO in the model)
  • Occupancy rate
  • Late start rate
  • Inter-intervention time rate
  • Early termination rate
  • Empty shift rate
  • Overflow rate
  • Rate of orphan interventions
Spreiding grafiek EN

Step 4: FUTURE Situation

In the next phase, CaSPr analysed the impact factor on the growth of every activity related to the different operation rooms. These impact factors were estimated on the short-term (2025) and long-term (2035).

Procedure EN


The different possible scenarios were analysed based on the optimal outcome. Through different strategic workshops, a final scenario was selected and detailed out.



  • Detailed forecast care demand on individual hospital level and translation to operation theatres
  • Optimisation of current operation theatre
  • Specific recommendations with respect to size and amount of operation theatres