Article

The objective of this study was to investigate the effect of brimless compared
with ischial ramus containment (IRC) prosthetic sockets when using
vacuum-assisted suspension (VAS) on persons with a unilateral transfemoral
amputation (TFA). A randomized crossover design with a 2 d accommodation was
used. People with unilateral TFA (n = 9 analyzed) were enrolled. Interventions
were IRC VAS and brimless VAS sockets. Main outcome measures included coronal hip
angle and vertical and lateral socket movement as measured by X-ray, skin
pressure measured by Tekscan, and preference measured subjectively. The brimless
design was statistically equivalent to IRC in all measured coronal hip angles and
vertical and lateral socket displacement. The peak/stance mean pressure in the
medial proximal aspect of the socket was 322 mmHg in the IRC compared with 190
mmHg in the brimless condition. Except for medial proximal pressure, no other
measures reached statistical significance. All subjects reported the brimless
design to be more comfortable than the IRC in short-term preference. Brimless VAS
socket design may be a clinically viable choice for people with TFA.

Langue : ANGLAIS