“Refining the Role of Low-Frequency Bladder Vibration in UTI Treatment: A Call for
Mechanistic and Comparative Studies.”
Abstract.
This letter addresses the study by Zhang et al. (2025), “Evaluating low-frequency bladder vibration (LFBV) as a treatment for
urinary tract infections (UTIs) in spinal cord injury (SCI) patients with neurogenic bladder.” While their findings support LFBV's
effectiveness in reducing Gram-negative bacterial load and improving bladder function, several gaps need attention. Firstly,
direct mechanistic evidence (imaging or biomarker studies) is lacking to clarify how LFBV dislodges pathogens or enhances
tissue repair. Secondly, we need to analyze different groups of SCI patients based on their injury level and severity, and
compare LFBV to standard treatments like antibiotics and bladder irrigation to make it more useful in real-life situations.
Additionally, patient-reported outcomes (e.g., comfort, quality of life) and cost-benefit analyses were neglected, yet they are
critical for adoption. Addressing these gaps could enhance LFBV’s role in UTI management for SCI patients.
Keywords Low frequency bladder vibration(LFBV)-Urinary tract infection(UTI)- clean intermittent cannulation(CIC)-spinal cord
injury(SCI)
Dear Editor, positive bacteria and fungi colonies were unaffected.
Given the rising incidence of fungal UTIs (6), finding
I am writing in response to the article “Evaluating
out how LFBV influenced bacterial adhesion, tissue
low-frequency bladder vibration (LFBV) as a
repair, and neural pathways of Gram-negative
treatment for urinary tract infections (UTIs) in spinal
bacteria could explain these differential effects and
cord injury (SCI) patients with neurogenic bladder”
broaden the therapeutic applicability of LFBV to
by Zhang et al. (2025) [1], Journal of International
Gram-positive bacteria and fungi.
Urology and Nephrology, Springer Nature. The study
provides valuable insights on low-frequency bladder The study included patients with varying levels of
vibration (LFBV) as a treatment for urinary tract spinal cord injury (cervical, thoracic, lumbar) and
infections (UTIs) in spinal cord injury (SCI) patients ASIA impairment scores (A–D). Subgroup analysis of
with neurogenic bladder [1]. While the study is these patients focusing on individual levels of spinal
rigorous, we identify several gaps that, if addressed, cord injury could further clarify whether specific
could strengthen its clinical and scientific levels of injuries face higher risks or get greater
implications. benefit. Additionally, the study compared (LFBV +
CIC) to (sham + CIC); its effectiveness compared to
The authors postulate that LFBV improves bladder
standard treatments (e.g., antibiotics, bladder
function by increasing blood flow [2], reducing
irrigation) remains unexplored. Comparative studies
muscle spasms [3, 4], and dislodging pathogens [5].
of these standard treatments with LFBV would help
But direct mechanistic evidence (e.g., imaging or
position LFBV within existing therapeutic hierarchies.
biomarker studies) demonstrating LFBV function is
Adding to it, both groups received bladder irrigation
lacking. Finding out how LFBV improves bladder
and antibiotics, but the regimens varied (Table 1)
function could unravel LFBV's therapeutic potential.
among groups. Differences in adjunct treatments
could alter the results. Standardizing these
interventions would minimize confounding and
This comment refers to the article available at improve internal validity.
https://doi.org/10.1007/s11255-024-04353-6
______________________________________________________ The study focused on biochemical metrics but
N
neglected patient-reported outcomes (e.g., quality
of life, comfort during treatment). Considering these
measures in focus would find out patient-centered
Furthermore, while Gram-negative bacteria colonies benefits and enhance LFBV applicability.
(e.g., E. coli) were significantly reduced, Gram- Additionally, a cost-benefit analysis of LFBV
Mechanistic and Comparative Studies.”
Abstract.
This letter addresses the study by Zhang et al. (2025), “Evaluating low-frequency bladder vibration (LFBV) as a treatment for
urinary tract infections (UTIs) in spinal cord injury (SCI) patients with neurogenic bladder.” While their findings support LFBV's
effectiveness in reducing Gram-negative bacterial load and improving bladder function, several gaps need attention. Firstly,
direct mechanistic evidence (imaging or biomarker studies) is lacking to clarify how LFBV dislodges pathogens or enhances
tissue repair. Secondly, we need to analyze different groups of SCI patients based on their injury level and severity, and
compare LFBV to standard treatments like antibiotics and bladder irrigation to make it more useful in real-life situations.
Additionally, patient-reported outcomes (e.g., comfort, quality of life) and cost-benefit analyses were neglected, yet they are
critical for adoption. Addressing these gaps could enhance LFBV’s role in UTI management for SCI patients.
Keywords Low frequency bladder vibration(LFBV)-Urinary tract infection(UTI)- clean intermittent cannulation(CIC)-spinal cord
injury(SCI)
Dear Editor, positive bacteria and fungi colonies were unaffected.
Given the rising incidence of fungal UTIs (6), finding
I am writing in response to the article “Evaluating
out how LFBV influenced bacterial adhesion, tissue
low-frequency bladder vibration (LFBV) as a
repair, and neural pathways of Gram-negative
treatment for urinary tract infections (UTIs) in spinal
bacteria could explain these differential effects and
cord injury (SCI) patients with neurogenic bladder”
broaden the therapeutic applicability of LFBV to
by Zhang et al. (2025) [1], Journal of International
Gram-positive bacteria and fungi.
Urology and Nephrology, Springer Nature. The study
provides valuable insights on low-frequency bladder The study included patients with varying levels of
vibration (LFBV) as a treatment for urinary tract spinal cord injury (cervical, thoracic, lumbar) and
infections (UTIs) in spinal cord injury (SCI) patients ASIA impairment scores (A–D). Subgroup analysis of
with neurogenic bladder [1]. While the study is these patients focusing on individual levels of spinal
rigorous, we identify several gaps that, if addressed, cord injury could further clarify whether specific
could strengthen its clinical and scientific levels of injuries face higher risks or get greater
implications. benefit. Additionally, the study compared (LFBV +
CIC) to (sham + CIC); its effectiveness compared to
The authors postulate that LFBV improves bladder
standard treatments (e.g., antibiotics, bladder
function by increasing blood flow [2], reducing
irrigation) remains unexplored. Comparative studies
muscle spasms [3, 4], and dislodging pathogens [5].
of these standard treatments with LFBV would help
But direct mechanistic evidence (e.g., imaging or
position LFBV within existing therapeutic hierarchies.
biomarker studies) demonstrating LFBV function is
Adding to it, both groups received bladder irrigation
lacking. Finding out how LFBV improves bladder
and antibiotics, but the regimens varied (Table 1)
function could unravel LFBV's therapeutic potential.
among groups. Differences in adjunct treatments
could alter the results. Standardizing these
interventions would minimize confounding and
This comment refers to the article available at improve internal validity.
https://doi.org/10.1007/s11255-024-04353-6
______________________________________________________ The study focused on biochemical metrics but
N
neglected patient-reported outcomes (e.g., quality
of life, comfort during treatment). Considering these
measures in focus would find out patient-centered
Furthermore, while Gram-negative bacteria colonies benefits and enhance LFBV applicability.
(e.g., E. coli) were significantly reduced, Gram- Additionally, a cost-benefit analysis of LFBV
