Implementation of computerised physician order entry (CPOE) and picture archiving and communication systems (PACS) in the NHS: quantitative before and after study

摘要

Objective To assess the impact of components of the national programme for information technology (NPflT) on measures of clinical and operational efficiency. Design Quasi-experimental controlled before and after study using routinely collected patient level data. Setting Four NHS acute hospital trusts in England. Data sources Inpatient admissions and outpatient appointments, 2000-5.Interventions A system for ordering pathology tests and browsing results (computerised physician order entry, CPOE) and a system for requesting radiological examinations and displaying images (picture archiving and communications system, PACS). Main outcome measures Requests per inpatient, outpatient, or day case patient for full blood count, urine culture, and urea and electrolytes tests, and plain x ray film, computed tomography, and ultrasonography examinations.