Mechanism of action of sacral nerve stimulation using a transdermal amplitude-modulated signal in a spinal cord injury rodent model
Bibliographic record
Abstract
INTRODUCTION: : Sacral neuromodulation (SNM) is an effective treatment modality for several urological problems, including neurogenic bladder. However, the invasiveness of this technique makes it unsuitable for many patients. We present a novel transdermal amplitude-modulated signal (TAMS) that may provide a non-invasive alternative to implantable SNM to treat neurogenic detrusor overactivity (NDO). METHODS: : In this study, we investigated the mechanism of action of non-invasive SNM using TAMS on our established spinal cord injury (SCI) animal model. We demonstrated that spinally transected rats develop urinary bladder hyper-reflexia after 3 weeks of SCI, indicated by the presence of uninhibited contractions, increased resting pressure, increased threshold pressure and increased maximum voiding pressure. RESULTS: : Short-term neurostimulation affected urodynamics parameters by significantly reducing the threshold pressure (p = 0.02). Spinal transection also increased calcitonin gene-related protein (CGRP) concentration in the L6 dorsal root ganglia; whereas, neurostimulation significantly reduced CGRP concentration in L6 (p = 0.03). CONCLUSION: : TAMS caused a reduction in NDO by inhibiting C-fibre activity.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".