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Biomedical subjects

D Altman

Publications and source records attributed to D Altman.

63 records · Page 4Linked to original sources

Technology assessment and equipment management: a practical approach to cost reduction.

The Medical University of South Carolina (Charleston, SC) responded to the necessity of reducing costs in a competitive marketplace by developing a program called Technology Assessment and Equipment Management. The program uses a process that systematically evaluates clinical equipment acquisitions and provides over sight on equipment management within the 587-bed tertiary care center. This article reviews how equipment is evaluated and purchased emphasizing cost control.

Academic Medical Centers↗

MR of visual pathways in patients with neurofibromatosis.

MR was performed on six patients clinically diagnosed as having neurofibromatosis. Owing to its multiplanar capability, MR greatly helped determine the extent of visual pathway disease. We attempted to find specific optimal pulse sequences for evaluating the prechiasmatic, chiasmatic, and retrochiasmatic visual system at 0.35 T. Using spin-echo techniques, we evaluated a T1-weighted sequence (TR 300 msec/TE 35 msec), an intermediate T2-weighted sequence (TR 1500 msec/TE 35 msec), and a T2-weighted sequence (TR 1500 msec/TR 70 msec). We found that the orbital and intracanalicular optic nerves were most accurately and easily seen with the T1-weighted sequence axially and coronally; the chiasm was best seen with the intermediate T2-weighted coronal sequence; and the retrochiasmatic visual pathway was optimally evaluated with T2-weighted spin-echo technique.

Child↗