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1
Department of Radiology, Veterans Affairs Maryland Health Care System, 10 N.
Greene St., Baltimore, MD 21201.
2
University of Maryland School of Medicine, 22 S. Greene St., Baltimore, MD
21201.
3
Department of Radiology, Nanticoke Memorial Hospital, 801 Middleford Rd.,
Seaford, DE 19973.
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.
MATERIALS AND 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.
CONCLUSION. 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.
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