Evidence map›Paper›PMID 29098392›Full record

Trial reportJournal of anesthesia2018

Evaluation of pharmacokinetic models of intravenous dexmedetomidine in sedated patients under spinal anesthesia.

Shinju Obara, Tsuyoshi Imaizumi, Takahiro Hakozaki, Atsuyuki Hosono, Yuzo Iseki, Norie Sanbe, Masahiro Murakawa

Erratum issuedAbstract readRandomized Controlled Trial
PubMed Publisher
In one paragraph

Trial report in Journal of anesthesia, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 5 papers.

0numbers the graph read from it
0cells of the map it votes in
5citing 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

5 citing papers in PubMed.

  1. Article
  2. Target controlled infusion in the intensive care unit: a scoping review.Journal of clinical monitoring and computing · 2026
    Article
  3. Review
  4. Article
  5. Article
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

7 authors.

Shinju ObaraSurgical Operation Department, Fukushima Medical University Hospital, 1 Hikarigaoka, Fukushima, Fukushima, 960-1295, Japan. obashin99@gmail.com.ORCID 0000-0001-8619-2864
Tsuyoshi ImaizumiDepartment of Intensive Care Medicine, Fukushima Medical University Hospital, 1 Hikarigaoka, Fukushima, Fukushima, 960-1295, Japan.
Takahiro HakozakiDepartment of Intensive Care Medicine, Fukushima Medical University Hospital, 1 Hikarigaoka, Fukushima, Fukushima, 960-1295, Japan.
Atsuyuki HosonoDepartment of Anesthesiology, Fukushima Medical University School of Medicine, 1 Hikarigaoka, Fukushima, Fukushima, 960-1295, Japan.
Yuzo IsekiDepartment of Intensive Care Medicine, Fukushima Medical University Hospital, 1 Hikarigaoka, Fukushima, Fukushima, 960-1295, Japan.
Norie SanbeDepartment of Anesthesiology, Fukushima Medical University School of Medicine, 1 Hikarigaoka, Fukushima, Fukushima, 960-1295, Japan.
Masahiro MurakawaDepartment of Anesthesiology, Fukushima Medical University School of Medicine, 1 Hikarigaoka, Fukushima, Fukushima, 960-1295, Japan.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeLittle information is available on the predictive ability of previously published pharmacokinetic models of dexmedetomidine in patients under spinal anesthesia. We evaluated nine published pharmacokinetic models that were constructed in different study settings.

methodsSixteen patients received dexmedetomidine infusions after spinal anesthesia according to the manufacturer's recommended regimen (6 µg/kg/h over 10 min followed by 0.2-0.7 µg/kg/h) or target-controlled infusion (initial target of 1.5 ng/ml using the Dyck model). Dexmedetomidine concentrations were measured and median performance error (MDPE), median absolute performance error (MDAPE), and wobble were calculated.

resultsA total of 84 blood samples were analyzed. The pharmacokinetic model reported by Hannivoort et al. had the greatest ability to predict dexmedetomidine concentrations (MDPE 5.6%, MDAPE 18.1%, and wobble 6.2%).

conclusionsHannivoort et al.'s pharmacokinetic model, constructed with a dataset obtained from healthy volunteers, can predict dexmedetomidine concentrations best during continuous infusion under spinal anesthesia.

Indexed as

Anesthesia, SpinalModels, BiologicalAdultDexmedetomidineFemaleHumansHypnotics and SedativesInfusions, IntravenousMaleMiddle AgedDexmedetomidineHypnotics and SedativesDexmedetomidineEvaluationModelPharmacokineticsSpinal anesthesia

Identifiers

What OpenQuestion holds

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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.