Evidence map›Paper›PMID 42618725›Full record

Trial reportCanadian journal of anaesthesia = Journal canadien d'anesthesie2026

Effective volume of ropivacaine 0.1% plus sufentanil 0.3 μg·mL

Yujie Song, Wei Liu, Xin Fang, Yong He, Yan Lu, Bing Zhang, Zhendong Xu

Abstract readRandomized Controlled Trial
PubMed Publisher
In one paragraph

Trial report in Canadian journal of anaesthesia = Journal canadien d'anesthesie, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing 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

0 citing papers in PubMed.

No citing paper in PubMed yet.

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.

Yujie Song *Department of Anesthesiology, Shanghai Key Laboratory of Maternal Fetal Medicine, Shanghai Institute of Maternal-Fetal Medicine and Gynecologic Oncology, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai, China.
Wei Liu *Department of Anesthesiology, Shanghai Key Laboratory of Maternal Fetal Medicine, Shanghai Institute of Maternal-Fetal Medicine and Gynecologic Oncology, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai, China.
Xin FangDepartment of Anesthesiology, Shanghai Key Laboratory of Maternal Fetal Medicine, Shanghai Institute of Maternal-Fetal Medicine and Gynecologic Oncology, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai, China.
Yong HeDepartment of Anesthesiology, Jinsha People's Hospital, Bijie, Guizhou, China.
Yan LuDepartment of Anesthesiology, Shanghai Key Laboratory of Maternal Fetal Medicine, Shanghai Institute of Maternal-Fetal Medicine and Gynecologic Oncology, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai, China.
Bing ZhangDepartment of Anesthesiology, Obstetrics and Gynecology Hospital of Fudan University, Shanghai, China.
Zhendong XuDepartment of Anesthesiology, Shanghai Key Laboratory of Maternal Fetal Medicine, Shanghai Institute of Maternal-Fetal Medicine and Gynecologic Oncology, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai, China. btxzd123@126.com.

Funding

Science and Technology Commission of Shanghai Municipality 22Y11905900Shanghai First Maternity and Infant Hospital 2023B10
6 · The paper itself

Abstract

purposeWe sought to determine the effective initiation volume of ropivacaine 0.1% with sufentanil 0.3 μg·mL

methodsIn this biased-coin up-and-down sequential allocation study of labour analgesia, we included patients with a singleton pregnancy who were nulliparous; who had an American Society of Anesthesiologists Physical Status II-III classification, a numerical rating scale (NRS) pain score > 5, and cervical dilation < 5 cm; and who requested labour analgesia. We used a 25 G Whitacre needle to puncture the dura mater and initiated labour analgesia with epidural ropivacaine 0.1% with sufentanil 0.3 μg·mL

resultsWe analyzed data from 40 participants. The estimated EV

conclusionsWhen using the DPE technique to initiate labour analgesia without a lidocaine test dose, the EV STUDY REGISTRATION: ChiCTR.org.cn ( ChiCTR2300074502 ); first submitted 8 August 2023.

Indexed as

AmidesAnalgesia, EpiduralAnalgesia, ObstetricalAnesthetics, LocalSufentanilAdultAnalgesics, OpioidFemaleHumansPain MeasurementPregnancyRopivacaineAmidesAnalgesics, OpioidAnesthetics, LocalRopivacaineSufentanildural puncture epiduralepidurallabour analgesiaobstetric anesthesia

Identifiers

PMID42618725

What OpenQuestion holds

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Registered trials

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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.