Reproducibility of intra-abdominal pressure measured during physical activities via a wireless vaginal transducer

Female Pelvic Medicine & Reconstructive Surgery
Marlene J EggerIngrid E Nygaard

Abstract

In the urodynamics laboratory setting, a wireless pressure transducer, developed to facilitate research exploring intra-abdominal pressure (IAP) and pelvic floor disorders, was highly accurate. We aimed to study reproducibility of IAP measured using this transducer in women during activities performed in an exercise science laboratory. Fifty-seven women (mean ± SD, age 30.4 ±9.3 years; body mass index, 22.4 ± 2.68 kg/m) completed 2 standardized activity sessions using the same transducer at least 3 days apart. Pressure data for 31 activities were transmitted wirelessly to a base station and analyzed for mean net maximal IAP, area under the curve, and first moment of the area. Activities included typical exercises, lifting 13.6 to 18.2 kg, and simulated household tasks. Analysis for test-retest reliability included Bland-Altman plots with absolute limits of agreement, Wilcoxon signed rank tests to assess significant differences between sessions, intraclass correlations, and κ statistics to assess intersession agreement in highest versus other quintiles of maximal IAP. Few activities exhibited significant differences between sessions in maximal IAP, or in area under the curve and first moment of the area values. For 13 activities...Continue Reading

References

May 24, 2012·International Urogynecology Journal·Yvonne HsuIngrid E Nygaard

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Citations

Dec 21, 2014·International Urogynecology Journal·Tanner J ColemanIngrid E Nygaard
Jun 24, 2020·Female Pelvic Medicine & Reconstructive Surgery·Martin Dietze-HermosaJanet M Shaw
May 4, 2017·Journal of Biomechanical Engineering·Sofia BrandãoRenato Manuel Natal Jorge
Nov 7, 2019·Physiotherapy Theory and Practice·Russell HendrycksJanet M Shaw
Sep 13, 2017·Musculoskeletal Science & Practice·Jan M Mens, Annelies Pool-Goudzwaard

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