Abstract
Study design
Cross-sectional
Objectives
Neurogenic lower urinary tract dysfunction is common among people with spinal cord injury (SCI). Although single-use clean intermittent catheterization is recommended to facilitate routine bladder emptying, catheter re-use is common. Barriers associated with the preparation (i.e., cleaning) of catheters for re-use are unknown. This study examined barriers to catheter re-use in adult individuals with SCI by assessing (1) the time needed to clean a catheter, and (2) the perceived difficulty of the catheter cleaning routine.
Setting
Laboratory
Methods
Twenty individuals with chronic SCI ( ≥ 1 year since injury; Group 1 = 10 with tetraplegia; Group 2 = 10 with paraplegia) completed the study. Using a standardized cleaning procedure (i.e., Milton method), catheter cleaning was timed for each participant. Perceived difficulty was assessed using a 5-point Likert scale. Functional impairment was assessed with the Upper Extremity Motor Score (UEMS).
Results
Significant between-group differences were observed for total cleaning time (Group 1 = 1584.1 ± 179.8 s; Group 2 = 1321.0 ± 93.8 s, p = 0.004) and perceived difficulty [Group 1 = 2.6 (2, 3); Group 2 = 2 (1.7, 2.3), p = 0.028]. Total cleaning time was significantly correlated with UEMS (ρ = −0.709, p ≤ 0.001) and perceived difficulty (ρ = 0.468, p = 0.037). UEMS emerged as an independent predictor of total cleaning time (R2 = 0.745, β = −0.833, p ≤ 0.001).
Conclusions
Preparing catheters for re-use is time-intensive and difficult for people with higher SCI level, severity and more pronounced upper limb motor impairment, which was independently associated with total cleaning time. Performing this routine on a consistent basis would require a substantial time commitment and would have a profoundly negative impact on overall quality of life.
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Data availability
Data are available from the corresponding author on reasonable request.
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Acknowledgements
The authors would like to thank the study participants.
Funding
FundingTM is supported by a Michael Smith Health Research BC postdoctoral fellowship and the Rick Hansen Foundation (RHF). TK is supported by a Canada Graduate Scholarship (Master’s) through the Canadian Institutes for Health Research (CIHR) and a WorkSafeBC research trainee award. SS is supported by a Paralyzed Veterans of America (PVA) postdoctoral fellowship, the RHF and the Wings for Life Spinal Cord Research Foundation (WFLSCRF). CS is supported by a PVA postdoctoral fellowship, a CIHR postdoctoral fellowship and the RHF. RM is supported by a PVA postdoctoral fellowship and the RHF. RS is supported by the WFLSCRF and the US Department of Defense. AVK is the Endowed Chair in the Division of Physical Medicine and Rehabilitation within the Faculty of Medicine at the University of British Columbia. This study was supported by a grant from Coloplast A/S, Humlebæk, Denmark (grant number: COLO-AK-NLUTD-SCI: F18-03036, AVK – Principle investigator). The funder had no role in the collection or interpretation of data nor the decision to publish with this journal.
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Contributions
Each author contributed in the following capacities. Study conception and design: TM, and AVK. Material preparation and data collection: TM, LR, SS, and CS. Data analysis: TM, TK, and RM. Data interpretation: TM, TK, RM, and AVK. Manuscript draft: TM. Manuscript content revision: TM, LR, TK, SS, CS, RM, RS, and AVK. Final manuscript approval: TM, LR, TK, SS, CS, RM, RS, and AVK. Funding acquisition, resource provision and supervision: AVK.
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Competing interests
AVK serves on advisory boards for Coloplast A/S, Wellspect Healthcare, and ConvaTec Inc. All other authors have no conflicts of interest to declare.
Ethical approval
Study approval was granted by the University of British Columbia Research Ethics Board (H17-03228) and Vancouver Coastal Health (V17-03228), and was conducted in accordance with the Declaration of Helsinki for human experiments. Written informed consent was obtained from all participants.
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Miller, T., Roik, L.J., Kalimullina, T. et al. The temporal burden of preparing catheters for re-use in adults with spinal cord injury: a cross-sectional study. Spinal Cord Ser Cases 9, 39 (2023). https://doi.org/10.1038/s41394-023-00596-0
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DOI: https://doi.org/10.1038/s41394-023-00596-0