Effect of Interface Peak Pressures following the 4th Spine Board Modification
1Robles G, 2Roach M, 1Nemunaitis G
1MetroHealth Rehabilitation Institute of Ohio/Case Western Reserve University, Cleveland, Ohio, United states; 2MetroHealth System/Case Western Reserve University, Cleveland, Ohio, United states
Design: Prospective Study
Participants/Methods: Twelve healthy, able-bodied men and women were evaluated on both the SSB and P-4 boards. Height, weight, sex, and age were recorded pre-study. Volunteers were secured to the back board with arm and foot straps. The FSA Boditrak pressure mapping system was used to monitor interface pressure at the head, scapulothoracic (ST), sacraliliac (SI), and heels for each subject on both SSB and P-4. Measurements were recorded every minute for 15 minutes.
Results: The mean age was 28 years, mean weight was 161.9 lbs., mean height was 68 in., and mean BMI was 24.5. The mean of the peak pressures on SSB in the head, ST, SI, and heels were 256.17mmHg, 165.22 mmHg, 411.95 and 281.488 mmHg respectively. The mean of the peak pressures on P-4 in the head, ST, SI, and heels were 66.88 mmHg, 77.80 mmHg, 100.87 mmHg and 105.43 mmHg respectively. A repeated measures for pairwise comparisons test, with BMI as a covariate, showed that interface pressures at each body region were significantly lower (p < .001) with the P-4 board compared to the SSB.
Conclusion: Spine immobilization on a SSB generates high interface pressures at the head, ST, SI, and heel regions. The P-4 proof of concept modification of the spine board significantly reduced the peak pressures at the head, ST, Sacrum, and heels. This study can be used to assess future SSB modifications that aim to reduce peak interface pressures in the effort to reduce this contributing factor that can lead to skin breakdown.
Support: The contents of this presentation were developed under a grant from the National Institute on Disability, Independent Living, and Rehabilitation Research (NIDILRR grant number 90SI5025-01-00).
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