An Integration of Vibration and Cold Relieves Venipuncture Pain in a Pediatric Emergency Department
Why this work is in the frame
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Bibliographic record
Abstract
OBJECTIVE: A randomized controlled trial compared a reusable device combining cold and vibration to standard care for pediatric venous access pain relief. METHODS: Pediatric emergency department patients received either the cold vibration device placed 5 to 10 cm proximally throughout venipuncture or standard care control (primarily vapocoolant spray). Block randomization of patients with or without lidocaine cream already in place ensured equal allocation in both intervention groups. Pain was measured via self- and parent-report using the 0- to 10-point Faces Pain Scale-Revised and with coded videotaped observed behaviors. Venipuncture success, use of distraction, and access times were also assessed. RESULTS: Eighty-one 4- to 18-year-olds were randomized to the device (n = 41) or standard care (n = 40) (median age, 10.09 years; 95% confidence interval [95% CI], 8.91-10.89). Median patient-reported pain scores with the device were lower than with standard care (-2; 95% CI, -4 to 0), as were parent-assessed pain scores (-2; 95% CI, -4 to -2). Observed distress behaviors were more common with standard care (2; 95% CI, 1-3) than with the device (1; 95% CI, 0-2). Venipuncture success was more likely with the device (odds ratio, 3.05; 95% CI, 1.03-9.02). There were no device refusals. CONCLUSIONS: The combination of cold and vibration decreased venipuncture pain significantly more than standard care without compromising procedural success. A device incorporating these elements could overcome the common barriers to needle procedure pain control.
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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 | 0.001 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| 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 it