Research

Items by Vasilakis, Christos

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Number of items: 67.

Book Sections

Crowe, S., Vasilakis, C., Gallivan, S., Bull, C. and Fenton, M., 2016. Informing the management of pediatric heart transplant waiting lists:complementary use of simulation and analytical modeling. In: Proceedings of the 2015 Winter Simulation Conference. Piscataway, U. S. A.: IEEE Press, pp. 1654-1665.

Vasilakis, C., Pagel, C., Gallivan, S., Barber, N. and Utley, M., 2012. Agent-based modelling and simulation in patient adherence to medication:a proof-of-concept study. In: Tjahjono, B., Heavey, C., Onggo, S. and van der Zee, D.-J., eds. Proceedings of the 6th Operational Research Society Simulation Workshop (SW12). The OR Society, pp. 36-45.

Vasilakis, C., Wilson, P. and Haddad, F., 2012. The surgical wound infection monitoring (SWIM) tool. In: Proceedings of the 38th Conference of the EURO Working Group Operational research Applied to Health Services (ORAHS). .

Vasilakis, C., 2011. The first 50 years are the diffficult ones:challenges and opportunities for operational research in health. In: Monks, T., ed. Keynote Papers YOR17. Birmingham, U. K.: The OR Society, pp. 26-28.

Tako, A., Kotiadis, K. and Vasilakis, C., 2010. A participative modelling framework for developing conceptual models in healthcare simulation studies. In: Johansson, B., Jain, S., Montoya-Torres, J., Hugan, J. and Yucesan, E., eds. Proceedings of the 2010 Winter Simulation Conference 2010. Piscataway, U. S. A.: IEEE, pp. 500-512.

Reynolds, M., Vasilakis, C., McLeod, M., Mounsey, A., Newton, S., Jacklin, A., Barber, N. and Dean, F. B., 2010. A simulation study of two hospital pharmacy dispensary systems. In: Proceedings of the 5th Operational Research Society Simulation Workshop (SW10), 2010. The OR Society, pp. 266-268.

Tako, A., Kotiadis, K. and Vasilakis, C., 2010. Developing a conceptual modelling framework for stakeholder participation in simulation studies. In: Proceedings of the 5th Operational Research Society Simulation Workshop (SW10), 2010. Birmingham, U. K.: The OR Society, pp. 76-85.

Pagel, C., Utley, M., Gallivan, S., Vasilakis, C. and Richards, D., 2010. Working at capacity:modelling a generic mental health care service. In: Blake, J. and Carter, M., eds. The 34th Meeting of the EURO Working Group on Operational Research Applied to Health Services (ORAHS 2008). , pp. 132-139.

El-Darzi, E., Abbi, R., Vasilakis, C., Gorenescu, F., Gorenescu, M. and Millard, P., 2009. Length of stay-based clustering methods for patient grouping. In: McLean, S., Millard, P., El-Darzi, E. and Nugent, C., eds. Intelligent Patient Management. Berlin, Germany: Springer, pp. 39-56. (Studies in Computational Intelligence; 189)

Abbi, R., El-Darzi, E., Vasilakis, C. and Millard, P. H., 2008. A Gaussian mixture model approach to grouping patients according to their hospital length of stay. In: 21st IEEE International Symposium on Computer-Based Medical Systems (CMBS'08). Finland: IEEE, pp. 524-529.

Vasilakis, C., El-Darzi, E. and Chountas, P., 2008. A decision support system for measuring and modelling the multi-phase nature of patient flow in hospitals. In: Chountas, P., Petrounias, I. and Kacprzyk, J., eds. Intelligent Techniques and Tools for Novel System Architectures. Berlin, Germany: Springer, pp. 201-217. (Studies in Computational Intelligence; 109)

Abbi, R., El-Darzi, E., Vasilakis, C. and Millard, P., 2008. Analysis of stopping criteria for the EM algorithm in the context of patient grouping according to length of stay. In: 4th IEEE Conference On Intelligent Systems (IS’08). IEEE Press, 3-9 to 3-14.

Tasseva, V., Peneva, D., Atanassov, K., El-Darzi, E., Chountas, P. and Vasilakis, C., 2007. Generalized net model for outpatient care in Bulgaria. In: Proceedings - IEEE Symposium on Computer-Based Medical Systems. , pp. 701-706.

Vasilakis, C., El-Darzi, E. and Chountas, P., 2006. An OLAP-enabled software environment for modeling patient flow. In: IEEE Intelligent Systems. , pp. 261-266.

Liu, P., Lei, L., El-Darzi, E., Vasilakis, C., Chountas, P. and Huang, W., 2005. An analysis of missing data treatment methods and their application to helath care dataset. In: Li, X., Wang, S. and Dong, Z. Y., eds. Advanced Data Mining and Applications. Springer, pp. 583-590. (Lecture Notes in Computer Science; 3584)

Articles

Mohiuddin, S., Busby, J., Savovic, J., Richards, A., Northstone, K., Hollingworth, W., Donovan, J. and Vasilakis, C., 2017. Patient flow within UK emergency departments: a systematic review of the use of computer simulation modelling methods. BMJ Open, 7, e015007.

Glasgow, S., Vasilakis, C., Perkins, Z., Tai, N. and Brohi, K., 2016. Managing the surge in demand for blood following mass casualty events. Early automatic restocking may preserve red cell supply. Journal of Trauma and Acute Care Surgery, 81 (1), pp. 50-57.

Pitt, M., Monks, T., Crowe, S. and Vasilakis, C., 2016. Systems modelling and simulation in health service design, delivery and decision making. BMJ Quality and Safety, 25 (1), pp. 38-45.

Demir, E., Vasilakis, C., Lebcir, R. and Southern, D., 2015. A simulation-based decision support tool for informing the management of patients with Parkinson’s disease. International Journal of Production Research, 53 (24), pp. 7238-7251.

Crowe, S., Vasilakis, C., Skeen, A., Storr, P., Grove, P., Gallivan, S. and Utley, M., 2014. Examining the feasibility of using a modelling tool to assess resilience across a health-care system and assist with decisions concerning service reconfiguration. Journal of the Operational Research Society, 65 (10), pp. 1522-1532.

Kotecha, A., Turner, S., Vasilakis, C., Utley, M., Fulop, N., Azuara-Blanco, A. and Foster, P.J., 2014. Improving care and increasing efficiency:Challenges in the care of chronic eye diseases. Eye, 28 (7), pp. 779-783.

Tako, A. A., Kotiadis, K., Vasilakis, C., Miras, A. and Le Roux, C. W., 2014. Improving patient waiting times:A simulation study of an obesity care service. BMJ Quality and Safety, 23 (5), pp. 373-381.

Kotiadis, K., Tako, A. A. and Vasilakis, C., 2014. A participative and facilitative conceptual modelling framework for discrete event simulation studies in healthcare. Journal of the Operational Research Society, 65 (2), pp. 197-213.

Vasilakis, C., Pagel, C., Gallivan, S., Richards, D., Weaver, A. and Utley, M., 2013. Modelling toolkit to assist with introducing a stepped care system design in mental health care. Journal of the Operational Research Society, 64 (7), pp. 1049-1059.

Grünhagen, D., Palmer-Jones, R., Treasure, T., Vasilakis, C. and Poston, G. J., 2013. The history of adoption of hepatic resection for metastatic colorectal cancer:1984–95. Critical Reviews in Oncology/Hematology, 86 (3), pp. 222-231.

Kotiadis, K., Tako, A. A., Rouwette, E. A. J. A., Vasilakis, C., Brennan, J., Gandhi, P., Wegstapel, H., Sagias, F. and Webb, P., 2013. Using a model of the performance measures in Soft Systems Methodology (SSM) to take action:A case study in health care. Journal of the Operational Research Society, 64 (1), pp. 125-137.

Vasilakis, C., Chaussalet, T. and Baker, R., 2012. Part special issue on quantitative modelling in the management of health care. IMA Journal of Management Mathematics, 23 (2).

Crowe, S., Pagel, C., Bull, K., Fenton, M., Vasilakis, C., Gallivan, S. and Utley, M., 2012. Using a mathematical model to assist with the management of paediatric heart transplant waiting lists:A case study. IMA Journal of Management Mathematics, 23 (2), pp. 99-116.

Richards, D. A., Bower, P., Pagel, C., Weaver, A., Utley, M., Cape, J., Pilling, S., Lovell, K., Gilbody, S., Leibowitz, J., Owens, L., Paxton, R., Hennessy, S., Simpson, A., Gallivan, S., Tomson, D. and Vasilakis, C., 2012. Delivering stepped care:An analysis of implementation in routine practice. Implementation Science, 7 (3).

Vasilakis, C., Wilson, A. P. R. and Haddad, F. S., 2011. Automating the monitoring of surgical site infections using variable life-adjusted display charts. Journal of Hospital Infection, 79 (2), pp. 119-124.

Vasilakis, C., Chaussalet, T. and Baker, R., 2011. Editorial:IMA Health 2010. Health Care Management Science, 14 (3), pp. 213-214.

Reynolds, M., Vasilakis, C., Mcleod, M., Barber, N., Mounsey, A., Newton, S., Jacklin, A. and Franklin, B. D., 2011. Using discrete event simulation to design a more efficient hospital pharmacy for outpatients. Health Care Management Science, 14 (3), pp. 223-236.

Fiorentino, F., Vasilakis, C. and Treasure, T., 2011. Clinical reports of pulmonary metastasectomy for colorectal cancer:A citation network analysis. British Journal of Cancer, 104 (7), pp. 1085-1097.

Sobolev, B. G., Sanchez, V. and Vasilakis, C., 2011. Systematic review of the use of computer simulation modeling of patient flow in surgical care. Journal of Medical Systems, 35 (1), pp. 1-16.

Vasilakis, C., Wilson, A. P. R., Fiorentino, F. and Utley, M., 2009. Does patient-specific risk adjustment lead to different conclusions on the occurrence of surgical wound infections? Journal of Hospital Infection, 72 (2), pp. 179-181.

Sobolev, B., Harel, D., Vasilakis, C. and Levy, A., 2008. Using the Statecharts paradigm for simulation of patient flow in surgical care. Health Care Management Science, 11 (1), pp. 79-86.

Liu, P., El-darzi, E., Lei, L., Vasilakis, C., Chountas, P. and Huang, W., 2008. Applying data mining algorithms to inpatient dataset with missing values. Journal of Enterprise Information Management, 21 (1), pp. 81-92.

Vasilakis, C., Lecznarowicz, D. and Lee, D. C., 2008. Application of Unified Modelling Language (UML) to the modelling of health care systems:An introduction and literature survey. International Journal of Healthcare Information Systems and Informatics, 3 (4), pp. 39-52.

Abbi, R., El-Darzi, E., Vasilakis, C. and Millard, P., 2008. Length of stay based grouping and classification methodology for modelling patient flow. Journal of Operations and Logistics, 2 (2), pp. 1-9.

Vasilakis, C., Sobolev, B. G., Kuramoto, L. and Levy, A. R., 2007. A simulation study of scheduling clinic appointments in surgical care:Individual surgeon versus pooled lists. Journal of the Operational Research Society, 58, pp. 202-211.

Marshall, A., Vasilakis, C. and El-darzi, E., 2005. Length of stay-based patient flow models:Recent developments and future directions. Health Care Management Science, 8 (3), pp. 213-220.

Vasilakis, C. and Marshall, A. H., 2005. Modelling nationwide hospital length of stay: opening the black box. Journal of the Operational Research Society, 56 (7), pp. 862-869.

Vasilakis, C. and Kuramoto, L., 2005. Comparing two methods of scheduling outpatient clinic appointments using simulation experiments. Clinical and Investigative Medicine, 28 (6), pp. 368-370.

Vasilakis, C., El-Darzi, E. and Chountas, P., 2004. A data warehouse environment for storing and analyzing simulation output data. Proceedings - Winter Simulation Conference, 1, pp. 703-709.

Chountas, P., Petrounias, I., Vasilakis, C., Tseng, A., El-Darzi, E., Atanassov, K. and Kodogiannis, V., 2004. On uncertainty and data-warehouse design. Lecture Notes in Computer Science, 3261, pp. 4-13.

Chountas, P., Vasilakis, C., El-Darzi, E., Petrounias, I. and Tseng, A., 2003. Data warehouses-TOLAP-decision making. Proceedings of the IEEE International Conference on Systems, Man and Cybernetics, 4, pp. 3876-3880.

Vasilakis, C. and El-Darzi, E., 2001. A simulation study of the winter bed crisis. Health Care Management Science, 4 (1), pp. 31-6.

Millard, P. H., Mackay, M., Vasilakis, C. and Christodoulou, G., 2000. Measuring and modelling surgical bed usage. Annals of The Royal College of Surgeons of England, 82 (2), pp. 75-82.

El-Darzi, E., Vasilakis, C., Chaussalet, T. and Millard, P. H., 1998. A simulation modelling approach to evaluating length of stay, occupancy, emptiness and bed blocking in a hospital geriatric department. Health Care Management Science, 1 (2), pp. 143-149.

Lee, C. N., Vasilakis, C., Kearney, D., Pearse, R. and Millard, P. H., 1998. An analysis of admission, discharge and bed occupancy of stroke patients aged 65 and over in English hospitals. Health Care Management Science, 1 (2), pp. 151-7.

Conference or Workshop Items

Gunes, E., Ormeci, L., Kanavetas, O. and Vasilakis, C., 2017. A Model for Managing Chronic Care with the Patient Activation Measure. In: INFORMS Healthcare 2017, 2017-07-24.

Dural Selcuk, G. and Vasilakis, C., 2017. Evaluating the sustainability of complex health system transformation in the context of population ageing:a system dynamics approach. In: 43rd meeting of the EURO Working Group on Operational Research Applied to Health Services (ORAHS2017), 2008-08-07.

Frangeskou, M., Vasilakis, C. and Lewis, M., 2017. Forthcoming. Generating insights into care process variation using the lens of organisational routines. In: POMS 28th Annual Conference (POMS 2017), 2017-05-05 - 2017-05-08.

Gunes, E., Kanavetas, O., Ormeci, L. and Vasilakis, C., 2017. Forthcoming. Modelling the use of Patient Activation Measure (PAM) in complex patient care. In: POMS 28th Annual Conference (POMS 2017), 2017-05-05 - 2017-05-08.

Araujo, C., Diogo, O. A., Gomes, L., Brandon-Jones, A. and Vasilakis, C., 2017. Forthcoming. The evolution of optimisation efforts in medication control and drug prescription: a systematic review. In: POMS 28th Annual Conference (POMS 2017), 2017-05-05 - 2017-05-08.

Manolitzas, P., Spyridakos, A., Vasilakis, C., Grigoroudis, E., Yannacopoulos, D. and Matsatsinis, N., 2016. Combining simulation with multiple criteria analysis and the theory of social choice: a pilot study at a hospital emergency department in Greece. In: 8th Quantitative Modelling in the Management of Health and Social care Conference (IMA Health 2016), 2016-03-21 - 2016-03-23.

Glasgow, S., Vasilakis, C., Perkins, Z., Tai, N. and Brohi, K., 2016. Push over pull: managing the surge in demand for blood following mass casualty events. In: The 29th EAST Annual Scientific Assembly, American College of Surgeons, 2016-01-12 - 2016-01-16.

Dural Selcuk, G. and Vasilakis, C., 2016. Forthcoming. Supporting the implementation and evaluation of health system transformation with operational research. In: 42nd meeting of the EURO Working Group on Operational Research Applied to Health Services (ORAHS2016), 2016-07-24 - 2016-07-29.

Frangeskou, M., Vasilakis, C. and Lewis, M., 2015. Combining organizational routine theory with simulation modelling: applications to healthcare quality improvement. In: The 41th Meeting of the EURO Working Group on Operational Research Applied to Health Services (ORAHS 2015), 2015-07-19 - 2015-07-24, HEC.

Glasgow, S., Vasilakis, C., Perkins, Z., Tai, N. and Brohi, K., 2015. Development and validation of a discrete event simulation model for planning hospital based provision of blood for mass casualty events. In: The 41th Meeting of the EURO Working Group on Operational Research Applied to Health Services (ORAHS 2015), 2015-07-19 - 2015-07-24, HEC.

Turner, S., Vasilakis, C., Utley, M., Foster, P., Kotecha, A., Morris, S. and Fulop, N., 2014. Developing and implementing health care service innovation in glaucoma outpatient clinics:The problem of aligning multiple public and private organisational actors. In: The 9th Biennial International Conference in Organisational Behaviour in Health Care (OBHC) Conference, 2014-04-23 - 2014-04-25.

This list was generated on Sun Sep 24 02:28:30 2017 IST.