Evaluation of external pressure to the sacral region in the lithotomy position using the noninvasive pressure distribution measurement system
Authors Mizuno J, Takahashi T
Received 16 September 2016
Accepted for publication 26 January 2017
Published 17 February 2017 Volume 2017:13 Pages 207—213
Checked for plagiarism Yes
Review by Single-blind
Peer reviewers approved by Dr Amy Norman
Peer reviewer comments 3
Editor who approved publication: Professor Garry Walsh
Ju Mizuno,1 Toru Takahashi2
1Department of Anesthesiology and Pain Medicine, Juntendo University, Faculty of Medicine, Bunkyo-ku, Tokyo, 2Faculty of Health and Welfare Science, Okayama Prefectural University, Soja-shi, Okayama, Japan
Background: Pressure ulcers (PUs) in the sacral region can be a complication of surgical procedures performed in the lithotomy position. Previous reports have noted a difference between men and women in PU development related to the supine position, and body weight and body mass index (BMI) have been also described as known risk factors in supine position-related PU development. The BIG-MAT® system is a noninvasive pressure distribution measurement device used to measure external pressure (EP). We used this system to investigate the relationship between EP to the sacral region in the lithotomy position and selected physical characteristics.
Methods: We recruited 21 young, healthy volunteers (11 men and 10 women, aged 21.4±0.5 years). Using the BIG-MAT system, we measured four types of EP to the sacral region: box pressure, peak box pressure, contact pressure, and peak contact pressure. We analyzed the relationships between these dynamic parameters and physical characteristics of the participants.
Results: There were no differences between men and women in the four types of EP, and no significant differences related to the participants’ height, weight, or BMI.
Conclusion: An individual’s height, weight, and BMI may not contribute to the risk of inducing lithotomy position-related PUs in the sacral region. The noninvasive pressure distribution measurement system BIG-MAT for patients in the lithotomy position during surgery could become a significant device when estimating EP at the sacral region.
Keywords: lithotomy position-related pressure ulcer, noninvasive pressure distribution measurement device, peak contact pressure, physical characteristics
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