Evidence map›Paper›PMID 38681209›Full record

Trial reportDrug design, development and therapy2024

The Median Effective Dose of Intrathecal Hyperbaric Bupivacaine for Cesarean Section at Moderately High-Altitude.

Chen Yang, Wangjun Dong, Jianbo Luo, Mengzhao Ma, Yeyue Gao, Lijie Ni, Huixing Liu, Chengjun Cha, Yangli Xiao, Shaoqiang Huang

Abstract readClinical Trial
In one paragraph

Trial report in Drug design, development and therapy, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing 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

2 citing papers in PubMed.

  1. Review
  2. 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

10 authors.

Chen Yang *Department of Anesthesia, Obstetrics & Gynecology Hospital, Fudan University, Shanghai, People's Republic of China.ORCID 0000-0001-7153-3267
Wangjun Dong *Department of Anesthesia, Yongping County People's Hospital, Yunnan, People's Republic of China.
Jianbo LuoDepartment of Anesthesia, Yongping County People's Hospital, Yunnan, People's Republic of China.
Mengzhao MaDepartment of Anesthesia, Yongping County People's Hospital, Yunnan, People's Republic of China.
Yeyue GaoDepartment of Anesthesia, Yongping County People's Hospital, Yunnan, People's Republic of China.
Lijie NiDepartment of Anesthesia, Yongping County People's Hospital, Yunnan, People's Republic of China.
Huixing LiuDepartment of Anesthesia, Yongping County People's Hospital, Yunnan, People's Republic of China.
Chengjun ChaDepartment of Anesthesia, Yongping County People's Hospital, Yunnan, People's Republic of China.
Yangli XiaoDepartment of Anesthesia, Yongping County People's Hospital, Yunnan, People's Republic of China.
Shaoqiang HuangDepartment of Anesthesia, Obstetrics & Gynecology Hospital, Fudan University, Shanghai, People's Republic of China.ORCID 0000-0002-0515-8099

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Objective: Alterations in altitude can lead to an augmented requirement for local anesthesia among patients. Nevertheless, the necessity for an elevated dosage of local anesthetic for parturients at moderately high altitudes during spinal anesthesia for cesarean section remains uninvestigated. This up-down sequential study endeavors to determine the ED Methods: Thirty singleton parturients at moderately high altitude underwent elective cesarean section under combined spinal-epidural anesthesia. The up-and-down sequential method was employed, starting with an initial dose of 12mg (1.6mL) of 0.75% hyperbaric bupivacaine for the first participant. The dose for the next case was adjusted up or down by 0.75mg based on the effectiveness of the previous participant. Effectiveness was defined as the bilateral sensory block reaching T6 within 15 minutes after spinal anesthesia injection, without the need for additional epidural anesthesia before fetal delivery. The ED Results: The ED Conclusion: The ED

Indexed as

AltitudeAnesthesia, SpinalAnesthetics, LocalBupivacaineCesarean SectionDose-Response Relationship, DrugAdultAnesthesia, EpiduralAnesthesia, ObstetricalFemaleHumansInjections, SpinalPregnancyYoung AdultAnesthetics, LocalBupivacainebupivacaineED50 dosehigh altitudespinal anesthesia

Identifiers

PMID38681209
PMCPMC11048353

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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.