Evidence map›Paper›PMID 39827445›Full record

Trial reportJournal of anesthesia2025

Modified versus traditional subcostal anterior quadratus lumborum block for postoperative analgesia after laparoscopic nephrectomy: a randomized-controlled study.

Huili Li, Danxu Ma, Rong Shi, Peiqi Shao, Yun Wang, Xiaoping Jin

Abstract readRandomized Controlled TrialComparative Study
PubMed Publisher
In one paragraph

Trial report in Journal of anesthesia, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
–field-weighted citation impact
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

1 citing paper in PubMed.

  1. Article
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

6 authors.

Huili LiDepartment of Anesthesiology, Beijing Friendship Hospital, Capital Medical University, Beijing, 100050, China.
Danxu MaDepartment of Anesthesiology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, 100020, China.
Rong ShiDepartment of Anesthesiology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, 100020, China.
Peiqi ShaoDepartment of Anesthesiology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, 100020, China.
Yun WangDepartment of Anesthesiology, Beijing Friendship Hospital, Capital Medical University, Beijing, 100050, China. wangyun129@ccmu.edu.cn.ORCID http://orcid.org/0000-0003-0695-8861
Xiaoping JinDepartment of Anesthesiology, Beijing Friendship Hospital, Capital Medical University, Beijing, 100050, China. xiaopingjin@sina.com.

Funding

Beijing Hospitals Authority Clinical Medicine Development of Special Funding XMLX202106
6 · The paper itself

Abstract

purposeTo examine the ramifications of both the modified and traditional subcostal anterior quadratus lumborum block (SQLB) on postoperative analgesia in individuals undergoing laparoscopic nephrectomy.

methodsForty-six individuals slated for elective laparoscopic nephrectomy under general anesthesia were randomly assigned to acquire either traditional or modified SQLB using 20 mL of 0.5% ropivacaine. The primary outcome was intravenous morphine-equivalent intake during the first 24 h following surgery. Secondary outcomes included sensory block dermatomes, numerical rating scale (NRS) scores, the total number of patient-controlled analgesia (PCA) demands, rescue analgesic use, and complications related to opioids and nerve block.

resultsThe modified SQLB group had significantly lower morphine-equivalent consumption compared to the traditional SQLB group within the initial 24 h after surgery (23.1 ± 4.3 vs. 34.7 ± 6.8 mg, P < 0.001). The modified SQLB also resulted in a greater number of dermatome segments of sensory block at 5, 10, and 15 min after block (P < 0.05), lower NRS pain scores at rest and during coughing at 6, 24, and 48 h (P < 0.001), and reduced usage of rescue analgesics as well as total PCA demands (P < 0.05). No significant differences were observed in the incidence of complications related to opioids or the nerve block procedure between the two groups.

conclusionsUltrasound-guided modified SQLB confers significantly superior analgesic advantages over the traditional SQLB for patients undergoing laparoscopic nephrectomy, culminating in a marked reduction in postoperative opioid consumption and more efficacious pain management.

Indexed as

LaparoscopyNephrectomyNerve BlockPostoperative PainAbdominal MusclesAdultAgedAnalgesia, Patient-ControlledAnalgesics, OpioidAnesthetics, LocalFemaleHumansMaleMiddle AgedPain MeasurementRopivacaineAnalgesics, OpioidAnesthetics, LocalRopivacaineAnalgesiaNerve blockPostoperative painSubcostal anterior quadratus lumborum blockUltrasound

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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.