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Radiologists' productivity in the interpretation of CT scans: a comparison of PACS with conventional film. 2001

B I Reiner, and E L Siegel, and F J Hooper, and S Pomerantz, and A Dahlke, and D Rallis
Department of Radiology, Veterans Affairs Maryland Health Care System, 10 N. Greene St., Baltimore, MD 21201, USA.

OBJECTIVE We compared radiologists' times in the interpretation of CT using hardcopy films with the interpretation using a soft-copy picture archiving and communication system (PACS) computer workstation. METHODS One hundred CT examinations were selected at random and reviewed by four board-certified radiologists experienced in soft-copy interpretation. We performed time-motion analysis to determine the total time required to display, interpret, and dictate the individual findings of CT using conventional hard-copy interpretation on a viewbox and soft-copy interpretation, using a four-monitor high-resolution (2048 x 1536 pixel) workstation. RESULTS Time-motion analysis showed a reduction of 16.2% in the overall time required for soft-copy interpretation of CT compared with that of film. Time savings with soft-copy interpretation were observed for all four participating radiologists. The benefit of soft-copy interpretation was increased for examinations in which there were comparison studies. CONCLUSIONS We found that soft-copy interpretation of CT using a PACS workstation requires less time than interpretation using conventional film hung on a viewbox. The transition to filmless imaging has the potential to improve radiologists' productivity and report-turnaround time.

UI MeSH Term Description Entries
D011871 Radiology A specialty concerned with the use of x-ray and other forms of radiant energy in the diagnosis and treatment of disease.
D011873 Radiology Information Systems Information systems, usually computer-assisted, designed to store, manipulate, and retrieve information for planning, organizing, directing, and controlling administrative activities associated with the provision and utilization of radiology services and facilities. PACS (Radiology),Picture Archiving And Communication System,Picture Archiving and Communication Systems,Picture Archiving, Radiologic,X-Ray Information Systems,Archiving, Radiologic Picture,Information System, Radiologic,Information System, Radiology,Information Systems, Radiologic,Information Systems, Radiology,Radiologic Information System,Radiologic Information Systems,Radiologic Picture Archiving,Radiology Information System,System, Radiologic Information,System, Radiology Information,Systems, Radiologic Information,Systems, Radiology Information,Xray Information Systems,Information System, X-Ray,Information System, Xray,Information Systems, X-Ray,Information Systems, Xray,PACSs (Radiology),System, X-Ray Information,System, Xray Information,Systems, X-Ray Information,Systems, Xray Information,X Ray Information Systems,X-Ray Information System,Xray Information System
D004526 Efficiency Ratio of output to effort and or resources, or the ratio of effort and or resources produced to energy expended. Productivity
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D013996 Time and Motion Studies The observation and analysis of movements in a task with an emphasis on the amount of time required to perform the task. Time Studies,Studies, Time,Study, Time,Time Study
D014057 Tomography, X-Ray Computed Tomography using x-ray transmission and a computer algorithm to reconstruct the image. CAT Scan, X-Ray,CT Scan, X-Ray,Cine-CT,Computerized Tomography, X-Ray,Electron Beam Computed Tomography,Tomodensitometry,Tomography, Transmission Computed,X-Ray Tomography, Computed,CAT Scan, X Ray,CT X Ray,Computed Tomography, X-Ray,Computed X Ray Tomography,Computerized Tomography, X Ray,Electron Beam Tomography,Tomography, X Ray Computed,Tomography, X-Ray Computer Assisted,Tomography, X-Ray Computerized,Tomography, X-Ray Computerized Axial,Tomography, Xray Computed,X Ray Computerized Tomography,X Ray Tomography, Computed,X-Ray Computer Assisted Tomography,X-Ray Computerized Axial Tomography,Beam Tomography, Electron,CAT Scans, X-Ray,CT Scan, X Ray,CT Scans, X-Ray,CT X Rays,Cine CT,Computed Tomography, Transmission,Computed Tomography, X Ray,Computed Tomography, Xray,Computed X-Ray Tomography,Scan, X-Ray CAT,Scan, X-Ray CT,Scans, X-Ray CAT,Scans, X-Ray CT,Tomographies, Computed X-Ray,Tomography, Computed X-Ray,Tomography, Electron Beam,Tomography, X Ray Computer Assisted,Tomography, X Ray Computerized,Tomography, X Ray Computerized Axial,Transmission Computed Tomography,X Ray Computer Assisted Tomography,X Ray Computerized Axial Tomography,X Ray, CT,X Rays, CT,X-Ray CAT Scan,X-Ray CAT Scans,X-Ray CT Scan,X-Ray CT Scans,X-Ray Computed Tomography,X-Ray Computerized Tomography,Xray Computed Tomography

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