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Vet Radiol Ultrasound. 2003 Jul-Aug;44(4):476-9.

A vacuum-formable mattress for veterinary radiotherapy positioning: comparison with conventional methods.

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1
Department of Surgical Sciences, University of Wisconsin, Madison, School of Veterinary Medicine, 2015 Linden Drive, Madison, Wisconsin 53706, USA.

Abstract

This prospective study was undertaken to compare the positioning repeatability and setup time of a rigid immobilization device (Vac-Lok mattress) to conventional positioning methods (sandbags, tape, foam wedges) in the clinical veterinary radiotherapy setting. Positioning repeatability was determined by using port films to verify appropriate patient positioning. Setup time was determined by recording the time required to set up each patient using each positioning method. Sixty-seven patients receiving radiotherapy were positioned using both the Vac-Lok mattresses and conventional positioning methods during their treatments. Seventy-eight total sites were treated. Forty-eight were treated daily (Monday through Friday, 2 to 4 weeks) and 30 were treated once weekly (4 weeks). Patients were grouped according to the site treated: head (29), neck/body (24), and limb (25). Vac-Lok mattresses were similar to conventional means in positioning repeatability and setup time. Vac-Lok mattresses are potentially advantageous in specific situations, including use during pre-radiotherapy tumor imaging. These mattresses are not recommended for distal limb positioning.

[Indexed for MEDLINE]

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