Is submucosal bladder pressure monitoring feasible?

Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
Anisha S BasuMargot S Damaser

Abstract

There has been recent interest in placing pressure-sensing elements beneath the bladder mucosa to facilitate chronic bladder pressure monitoring. Wired submucosal sensors with the wires passed through detrusor have been demonstrated in vivo, with limited chronic retention, potentially due to the cable tethering the detrusor. Published studies of submucosal implants have shown that high correlation coefficients between submucosal and lumen pressures can be obtained in caprine, feline, and canine models. We have developed a wireless pressure monitor and surgical technique for wireless submucosal implantation and present our initial chronic implantation study here. Pressure monitors were implanted (n = 6) in female calf models (n = 5). Five devices were implanted cystoscopically with a 25-French rigid cystoscope. One device was implanted suprapubically to test device retention with an intact mucosa. Wireless recordings during anesthetized cystometry simultaneous with catheter-based reference vesical pressure measurements during filling and manual bladder compressions were recorded. Individual analysis of normalised data during bladder compressions (n = 12) indicated high correlation (r = 0.85-0.94) between submucosal and reference...Continue Reading

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Citations

Feb 6, 2020·Neurourology and Urodynamics·Andrew GammieEnrico Finazzi Agrò
Apr 9, 2020·International Journal of Urology : Official Journal of the Japanese Urological Association·Mohammad Ayodhia SoebadiDirk De Ridder
Aug 19, 2020·Current Urology Reports·Neil J KocherBradley C Gill
Apr 3, 2019·Nature Reviews. Urology·Benjamin AbelsonMargot S Damaser
May 10, 2020·International Journal of Urology : Official Journal of the Japanese Urological Association·Takeya Kitta

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Methods Mentioned

BETA
dissect
dissection

Software Mentioned

MATLAB
BladderScan

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