BMC Med Inform Decis Mak - User needs elicitation via analytic hierarchy process (AHP). A case study on a Computed Tomography (CT) scanner.

Tópicos

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Resumo

CKGROUND: The rigorous elicitation of user needs is a crucial step for both medical device design and purchasing. However, user needs elicitation is often based on qualitative methods whose findings can be difficult to integrate into medical decision-making. This paper describes the application of AHP to elicit user needs for a new CT scanner for use in a public hospital.METHODS: AHP was used to design a hierarchy of 12 needs for a new CT scanner, grouped into 4 homogenous categories, and to prepare a paper questionnaire to investigate the relative priorities of these. The questionnaire was completed by 5 senior clinicians working in a variety of clinical specialisations and departments in the same Italian public hospital.RESULTS: Although safety and performance were considered the most important issues, user needs changed according to clinical scenario. For elective surgery, the five most important needs were: spatial resolution, processing software, radiation dose, patient monitoring, and contrast medium. For emergency, the top five most important needs were: patient monitoring, radiation dose, contrast medium control, speed run, spatial resolution.CONCLUSIONS: AHP effectively supported user need elicitation, helping to develop an analytic and intelligible framework of decision-making. User needs varied according to working scenario (elective versus emergency medicine) more than clinical specialization. This method should be considered by practitioners involved in decisions about new medical technology, whether that be during device design or before deciding whether to allocate budgets for new medical devices according to clinical functions or according to hospital department.

Resumo Limpo

ckground rigor elicit user need crucial step medic devic design purchas howev user need elicit often base qualit method whose find can difficult integr medic decisionmak paper describ applic ahp elicit user need new ct scanner use public hospitalmethod ahp use design hierarchi need new ct scanner group homogen categori prepar paper questionnair investig relat prioriti questionnair complet senior clinician work varieti clinic specialis depart italian public hospitalresult although safeti perform consid import issu user need chang accord clinic scenario elect surgeri five import need spatial resolut process softwar radiat dose patient monitor contrast medium emerg top five import need patient monitor radiat dose contrast medium control speed run spatial resolutionconclus ahp effect support user need elicit help develop analyt intellig framework decisionmak user need vari accord work scenario elect versus emerg medicin clinic special method consid practition involv decis new medic technolog whether devic design decid whether alloc budget new medic devic accord clinic function accord hospit depart

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