A new approach for integrated surgical procedure scheduling with arrival uncertainty Online publication date: Thu, 14-Mar-2019
by Asie Soudi; Mehdi Heydari; Mohammad Mahdavi Mazdeh
International Journal of Operational Research (IJOR), Vol. 34, No. 3, 2019
Abstract: Efficient utilisation of operating room (OR) is a common anxiety of surgical suite manager. It necessitates an effective planning and scheduling of surgeries. In this paper, weekly planning and scheduling of an integrated surgical procedure is formulated as a hybrid flow shop scheduling problem which can take capacity constraints of ward beds and multi operating rooms into account. By further considering the arrival uncertainty of emergency patients, in order to generate a stable primary schedule in predictive phase, a chance constrained programming (CCP) model is developed for the first time. It is shown how applying CCP model will reduce to considering virtual patients. Afterwards, a reactive programming model is proposed based on a new performance measure for preserving stability of the primary schedule in reactive phase. The efficiency of proposed approach for predictive/reactive scheduling problem is demonstrated through computational results in comparison with classic one.
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