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- W4320029514 abstract "Cystometry measures the behavior of the bladder and is frequently used to evaluate lower urinary tract abnormalities. Cystometry is conducted using two catheters, one in the bladder and the other in the vagina or rectum, which increases discomfort and complexity of the test. In this work we evaluated a method to estimate detrusor pressure (PDET), the pressure generated by a bladder contraction, from only a single catheter measuring vesical pressure (PVES). Using twenty urodynamic studies, we used statistical inference and wavelet multiresolution analysis to maximize the correlation coefficient <tex xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>$(R)$</tex> between estimated PDET and calculated PDET after detecting and eliminating artifacts. Moreover, the estimator design considered a prospective real-time implementation. Root main square (RMS) error and correlation coefficient were used to evaluate algorithm accuracy in estimating <tex xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>$mathbf{P}_{text{DET}}$</tex> , while a statistical F -score evaluated the accuracy of artifact detection. The output of the proposed estimator compared with calculated PDET, and overall estimation performance showed that <tex xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>$RMS=10.7pm 2.1 text{cmH}_{2}mathrm{O}$</tex> and <tex xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>$R=0.88pm$</tex> 0.6 <tex xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>$(mathrm{N}=20)$</tex> . Moreover, detection accuracy for cough and Valsalva events were 99.5% and 84.30/0, respectively. We conclude that estimating PDET from PVES only is feasible making single channel cystometry a possibility." @default.
- W4320029514 created "2023-02-12" @default.
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- W4320029514 date "2022-12-03" @default.
- W4320029514 modified "2023-09-26" @default.
- W4320029514 title "Detrusor Pressure Estimation from Single Channel Bladder Pressure Recordings" @default.
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- W4320029514 doi "https://doi.org/10.1109/spmb55497.2022.10014843" @default.
- W4320029514 hasPublicationYear "2022" @default.
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