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Detrusor pressure monitoring by electrical bioimpedance in the neurogenic bladder of adult patients

  • Urology - Original Paper
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Abstract

Purpose

Detrusor pressure–volume relationship evaluation by urodynamics provides useful clinical information; however, it is invasive, and requires specific installations. An alternative technique proposed by our research group is the electrical bioimpedance (BI) which is an easily performed and non-invasive method. In this work, we assess the relationship between BI and detrusor bladder pressure in adults with neurogenic lower urinary tract dysfunction.

Methods

A prospective observational study was conducted. 20 patients (11 females and 9 male) previously diagnosed with neurogenic bladder were included. All participants underwent simultaneously a urodynamic evaluation (UDS) and BI determination, and both examination signals were recorded and subjected to Shapiro–Wilks statistical test. A correlational statistical test was used to compare the pressure parameters (detrusor, vesical and abdominal) with their respective BI determinations. Subsequently, a linear regression test was performed to evaluate the concordance between BI and their respective pressure values.

Results

From the 20 correlations, between detrusor bladder pressure (PDET) and abdominal bioimpedance determinations (ZABD), obtained for all participants, 16 evidenced significant results over 90% (p < 0.05).

Conclusions

A significantly high correlation between abdominal bioimpedance determinations and the detrusor bladder pressures was evidenced. These results should be confirmed in a larger group of participants.

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Acknowledgements

The authors thank IDEA-GTO for financial support for performing of this research work (Reference number: SICES/COV/109/2020). Also, authors thank DAIP-UG (Convocatoria Institucional de Investigación Científica 2021) for financial support (code: 206/2021 and 128/2021).

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Authors and Affiliations

  1. Urology Department, Hospital Regional de Alta Especialidad del Bajío (HRAEB), San Carlos la Roncha, 37660, León, Guanajuato, México

    Rafael Edgardo Maldonado-Valadez & Erika Beatriz Falcón-Sandoval

  2. Department of Medical Physics, University of Guanajuato, Lomas del Bosque #103, Lomas del Campestre, 37150, León, Guanajuato, México

    Erika Beatriz Falcón-Sandoval, Francisco Miguel Vargas-Luna, Svetlana Kashina & José Marco Balleza-Ordaz

Authors
  1. Rafael Edgardo Maldonado-Valadez
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  2. Erika Beatriz Falcón-Sandoval
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  3. Francisco Miguel Vargas-Luna
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  4. Svetlana Kashina
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  5. José Marco Balleza-Ordaz
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Contributions

MV: protocol/project development, data collection or management, and manuscript writing/editing. FS: protocol/project development, data collection or management, and manuscript writing/editing. VL: protocol/project development, data analysis, manuscript writing/editing. KS: protocol/project development, data analysis, and manuscript writing/editing. BO: protocol/project development, data collection or management, data analysis, manuscript writing/editing, and funding management. All authors read and approved the final manuscript.

Corresponding author

Correspondence to José Marco Balleza-Ordaz.

Ethics declarations

Conflict of interest

The authors declare no conflict of interest.

Compliance with ethical standards

This study was approved by the ethics committee of Universidad de Guanajuato, with approval code: CIBIUG-P23-2021(expiration date: July 26, 2022) and by the ethics committee of the Hospital Regional de Alta Especialidad del Bajío (HRAEB), León, Guanajuato with approval code: CI-HRAEB-2018/017 (expiration date: May 25, 2022).

Consent to participate

All participants agreed to participate in the study, informed consent was signed for every patient, and the study protocol was previously approved by the Ethics Committee.

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Maldonado-Valadez, R.E., Falcón-Sandoval, E.B., Vargas-Luna, F.M. et al. Detrusor pressure monitoring by electrical bioimpedance in the neurogenic bladder of adult patients. Int Urol Nephrol 54, 3107–3115 (2022). https://doi.org/10.1007/s11255-022-03342-x

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  • DOI: https://doi.org/10.1007/s11255-022-03342-x

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