A greedy-tabu approach to the patient bed assignment problem in the Hospital Universitario San Ignacio

View/ Open
Date
2021-10-25Authors
Arguello Monroy, Andrea CarolinaCastellanos Ramírez, Vanessa
González Neira, Eliana María
Otero Caicedo, Ricardo Fernando
Delgadillo Sánchez, Vivian Paola
Corporate Author(s)
Pontificia Universidad Javeriana. Facultad de Medicina. Departamento de Medicina Interna. Medicina Interna
Pontificia Universidad Javeriana. Facultad de Medicina. Hospital Universitario San Ignacio
Type
Artículos
ISSN
1929-5804 / 1929-5812 (Electrónico)
COAR
Artículo de revistaShare this record
Citación
Metadata
Show full item record
Documentos PDF
Abstract
Patient Bed Assignment (PBA) consists of assigning patients to hospital beds according to
specific requirements such as patient diagnosis, equipment requirements, age and gender
policies, among others. We worked in conjunction with the Hospital Universitario San Ignacio
(HUSI) with the goal of designing an application to support decision-making during the bed
assignment process. We introduced a mathematical model for the PBA. We used Analytic
Hierarchy Process (AHP) to determine the weights attributed to each part of the objective
function. Due to the long execution time required, we used a Greedy Algorithm and Tabu Search
(TS) to optimize the match between the patient’s requirements and the characteristics of the
assigned bed. To test the algorithms, we created 15 test instances of various sizes. The results
showed that the gap between the value of the objective function resulting from using the
Greedy/TS in comparison with the optimal solution is on average 6.2%. Also, the TS takes 84%
less time than the MILP for medium and large instances. We collected data from real life
instances and compared the actual method with the designed metaheuristic. On average, the value
of the objective function resulting from using the proposed Greedy/Tabu algorithm is 8.6%
higher.
Link to the resource
http://growingscience.com/beta/dsl/4403-a-greedy-tabu-approach-to-the-patient-bed-assignment-problem-in-the-hospital-universitario-san-ignacio.htmlSource
Decision Science Letters; Volumen 10 Número 1 , Páginas 21 - 38 (2021)
Estadísticas Google Analytics
Collections
- Artículos [30]