Evidence map›Paper›PMID 33895221›Full record

Trial reportBrazilian journal of anesthesiology (Elsevier)

Effects of erector spinae plane block and retrolaminar block on analgesia for multiple rib fractures: a randomized, double-blinded clinical trial.

Yaoping Zhao, Yan Tao, Shaoqiang Zheng, Nan Cai, Long Cheng, Hao Xie, Geng Wang

Open access · diamondAbstract readRandomized Controlled Trial
In one paragraph

Trial report in Brazilian journal of anesthesiology (Elsevier). The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
11citing papers in PubMed, 3 pooled it
3.8field-weighted citation impact, top 6% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

11 citing papers in PubMed, 3 syntheses or guidelines pooled it, 26 citations in OpenAlex.

  1. Pooled it
  2. Erector spinae plane block for postoperative pain.The Cochrane database of systematic reviews · 2024
    Pooled it
  3. Erector spinae plane block for postoperative pain.The Cochrane database of systematic reviews · 2023
    Pooled it
  4. Trial
  5. Article
  6. Observational
  7. Article
  8. Article
  9. Article
  10. Article
  11. Review
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors at 1 institution in 1 country.

Yaoping ZhaoDepartment of Anesthesiology, Beijing Jishuitan Hospital, Beijing, P.R. China.
Yan TaoDepartment of Anesthesiology, Beijing Jishuitan Hospital, Beijing, P.R. China.
Shaoqiang ZhengDepartment of Anesthesiology, Beijing Jishuitan Hospital, Beijing, P.R. China.
Nan CaiDepartment of Anesthesiology, Beijing Jishuitan Hospital, Beijing, P.R. China.
Long ChengDepartment of Anesthesiology, Beijing Jishuitan Hospital, Beijing, P.R. China.
Hao XieDepartment of Thoracic Surgery, Beijing Jishuitan Hospital, Beijing, P.R. China.
Geng WangDepartment of Anesthesiology, Beijing Jishuitan Hospital, Beijing, P.R. China. Electronic address: gengwangdoc@126.com.
Peking University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveTo investigate the effects of Erector Spinae Plane Block (ESPB) and Retrolaminar Block (RLB) on intra- and postoperative analgesia in patients with Multiple Rib Fractures (MRFs).

methodsA total of 80 MRFs patients were randomly divided into the ESPB (Group E) and RLB (Group R) groups. After general anesthesia, ESPB and RLB were performed under ultrasound guidance, respectively, together with 20 mL of 0.5% ropivacaine and Patient-Controlled Intravenous Analgesia (PCIA).

resultsThirty-four cases in Group E and 33,cases in Group R showed unclear paravertebral spaces. The intraoperative dosage of remifentanil (mean ± SD) (392.8 ± 118.7 vs. 501.7 ± 190.0 μg) and postoperative morphine PCIA dosage, (7.35 ± 1.55 vs. 14.73 ± 2.18 mg) in Group R were significantly less than those in Group E; the Visual Analog Scale (VAS) scores in Group R at 2 (2.7 ± 1.2 vs. 3.4 ± 1.4), 4 (2.2 ± 1.1 vs. 2.8 ± 0.9), 12 (2.5 ± 0.9 vs. 3.0 ± 0.8), and 24 hours (2.6 ± 1.0 vs. 3.1 ± 0.9) after surgery were significantly lower than those in Group E. Finally, the normal respiratory diaphragm activity (2.17 ± 0.22 vs. 2.05 ± 0.19), pH (median [IQR] (7.38 [7.31-7.45] vs. 7.36 [7.30-7.42]), and partial pressure of carbon dioxide (PaCO

conclusionsRLB was a more effective analgesic method than ESPB in the treatment of MRF.

Indexed as

Nerve BlockRib FracturesSpinal FracturesAnalgesia, Patient-ControlledHumansParaspinal MusclesPostoperative PainAnalgesiaClinical trialNerve blockRib fracturesUltrasound imaging

Identifiers

PMID33895221
PMCPMC9373659
OpenAlexW3158728203

What OpenQuestion holds

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LicenceCC BY-NC-ND
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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.