Abstract
This paper studies a weekly operation scheduling problem of elective surgery according to the block scheduling policy, to balance overtime (time used beyond the block) and undertime (time unused within the block) of each surgeon's blocks. The one week operation problem is divided into two stages: the first stage is to allocate patients to blocks and achieve the balance of the blocks to the same surgeon. Patients who can be scheduled on next week are determined according to the operating room (OR) capacity, surgeon's available time and patient priority. In the second stage, the operation date, operating room, and operation sequence are determined. When sequencing operations in blocks, we focus on surgical type and priority the two indicators. We present two integer programming (IP) models to solve the two stage problems, with the objects of 1) minimize the sum of all blocks' overtime and undertime penalty and 2) minimize the waiting cost for all patients. The two indicators are helpful to balance surgeons' workload among blocks and can improve patient's satisfaction. Directing at the first stage model, different from the previous studies, we will give a fast method to calculate the number of blocks for each surgeon, which can reduce the problem scale. The computational experiments are conducted illustrating its applicability to the problem in the operating theatre.
Highlights
Public hospitals in many western countries are generally zero profit
We are committed to using block scheduling policy to study one week operation scheduling, the block scheduling strategy has been widely applied to many hospitals, we propose a method to quickly determining the number of blocks for each surgeon according to the patient’s condition
This paper deals with the scheduling problem of patients in the OR in two stages based on the operation block model
Summary
Public hospitals in many western countries are generally zero profit. in China, many public hospitals need to be responsible for their own profits and losses. The calculation scale can be greatly reduced by obtaining the number of surgical blocks for surgeons This method is of big help to improve the efficiency of solving the scheduling problem. We will use the block scheduling strategy to study the one-week operation planning, and achieve the operation scheduling result through the two-stage method. Block scheduling strategy has been widely used in a variety of hospitals, we will propose a method to quickly obtain the number of blocks for surgeons, and complete the scheduling in two stages, which can reduce the problem size. At the end of the experiment, we will give an example of the operation sequence of specific patients according to the model
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