Effect of erector spinae plane block on postoperative analgesia after pediatric hip surgery: Randomized controlled study
Bibliographic record
Abstract
BACKGROUND: Erector spinae plane block (ESPB) in pediatric patients presenting for hip surgery may improve the postoperative analgesia. AIM: The study aimed to investigate the effect of ultrasound-guided ESPB on postoperative analgesia after a pediatric hip surgery. METHODS: Forty children scheduled for hip surgeries were included in this trial and randomly distributed into; Control group, patients received sham ultrasound-guided ESPB at the level of L3 or ESPB group, patients received real ultrasound-guided ESPB at the level of L3 with an injection of 0.4 ml/kg of plain bupivacaine 0.25%. The time for the first call of rescue analgesia, intraoperative fentanyl consumption, postoperative morphine consumption, Children's Hospital Eastern Ontario Pain Scale (CHEOPS), and Objective Behavioral Pain score (OPS) were recorded. RESULTS: As compared to the control group, the use of ESPB significantly prolonged the time for first request of rescue analgesia from 170.50 ± 44.066 to 256.50 ± 66.434 min (p < 0.0001), decreased the intraoperative fentanyl consumption from 1.025 ± 0.379 to 0.775 ± 0.343 μg/kg (p = 0.035), decreased the postoperative morphine consumption from 0.105 ± 0.036 to 0.065 ± 0.023 mg/kg (p = 0.0002). Also, it significantly decreased postoperative CHEOPS and OPS scores 2, 4, and 6 h after the surgery (p < 0.05) with an insignificant difference between the two groups at all other time intervals (p ˃ 0.05). CONCLUSION: The use of ESPB in pediatric patients undergoing hip surgery prolonged the time for the first call of analgesia, decreased the intraoperative and postoperative opioid consumption, and decreased the postoperative pain.
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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 | 0.032 | 0.013 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.002 | 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 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 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; both teacher heads agree on what is shown here.
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".