Evidence map›Paper›PMID 25751234›Full record

ArticleAnesthesiology2015

Opioid-induced Respiratory Depression Is Only Partially Mediated by the preBötzinger Complex in Young and Adult Rabbits In Vivo.

Astrid G Stucke, Justin R Miller, Ivana Prkic, Edward J Zuperku, Francis A Hopp, Eckehard A E Stuth

Open access · greenAbstract read
In one paragraph

Article in Anesthesiology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 32 papers.

0numbers the graph read from it
0cells of the map it votes in
32citing papers in PubMed
2.0field-weighted citation impact, top 15% 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

32 citing papers in PubMed, 57 citations in OpenAlex.

  1. Article
  2. Endogenous opioids and the development of the mammalian respiratory control network.American journal of physiology. Lung cellular and molecular physiology · 2025
    Review
  3. Article
  4. CBPharmacological research · 2025
    Article
  5. Review
  6. Article
  7. Article
  8. Article
  9. Article
  10. Review
  11. Article
  12. Review
  13. Review
  14. Article
  15. Article
  16. Article
  17. Dynamic Rhythmogenic Network States Drive Differential Opioid Responses in theThe Journal of neuroscience : the official journal of the Society for Neuroscience · 2021
    Article
  18. Article
  19. Review
  20. Neural basis of opioid-induced respiratory depression and its rescue.Proceedings of the National Academy of Sciences of the United States of America · 2021
    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 at 1 institution in 2 countries.

Astrid G StuckeFrom the Department of Anesthesiology, Medical College of Wisconsin, Milwaukee, Wisconsin (A.G.S., J.R.M., I.P., E.J.Z., F.A.H., E.A.E.S.); Children's Hospital of Wisconsin, Milwaukee, Wisconsin (A.G.S., E.A.E.S.); and the Zablocki VA Medical Center, Milwaukee, Wisconsin (E.J.Z., F.A.H.).
Justin R Miller
Ivana Prkic
Edward J Zuperku
Francis A Hopp
Eckehard A E Stuth
Children's Hospital of Wisconsin · US

Funding

Anesthesiology Research Training ProgramT32GM089586 · NIGMS · MEDICAL COLLEGE OF WISCONSIN · PI EBERT, THOMAS JAY · 2010 to 2019
$1.5M
Neuropharmacology of Pontine Control of Breathing FrequencyI01BX000721 · VA · CLEMENT J. ZABLOCKI VA MEDICAL CENTER · PI ZUPERKU, EDWARD J · 2011 to 2018
–
BLRD VA I01 BX000721NIGMS NIH HHS T32 GM089586
6 · The paper itself

Abstract

backgroundThe preBötzinger Complex (preBC) plays an important role in respiratory rhythm generation. This study was designed to determine whether the preBC mediated opioid-induced respiratory rate depression at clinically relevant opioid concentrations in vivo and whether this role was age dependent.

methodsStudies were performed in 22 young and 32 adult New Zealand White rabbits. Animals were anesthetized, mechanically ventilated, and decerebrated. The preBC was identified by the tachypneic response to injection of D,L-homocysteic acid. (1) The μ-opioid receptor agonist [D-Ala2,N-Me-Phe4,Gly-ol]-enkephalin (DAMGO, 100 μM) was microinjected into the bilateral preBC and reversed with naloxone (1 mM) injection into the preBC. (2) Respiratory depression was achieved with intravenous remifentanil (0.08 to 0.5 μg kg(-1) min(-1)). Naloxone (1 mM) was microinjected into the preBC in an attempt to reverse the respiratory depression.

results(1) DAMGO injection depressed respiratory rate by 6 ± 8 breaths/min in young and adult rabbits (mean ± SD, P < 0.001). DAMGO shortened the inspiratory and lengthened the expiratory fraction of the respiratory cycle by 0.24 ± 0.2 in adult and young animals (P < 0.001). (2) During intravenous remifentanil infusion, local injection of naloxone into the preBC partially reversed the decrease in inspiratory fraction/increase in expiratory fraction in young and adult animals (0.14 ± 0.14, P < 0.001), but not the depression of respiratory rate (P = 0.19). PreBC injections did not affect respiratory drive. In adult rabbits, the contribution of non-preBC inputs to expiratory phase duration was larger than preBC inputs (3.5 [-5.2 to 1.1], median [25 to 75%], P = 0.04).

conclusionsSystemic opioid effects on respiratory phase timing can be partially reversed in the preBC without reversing the depression of respiratory rate.

Indexed as

AgingAnalgesics, OpioidAnimalsEnkephalin, Ala(2)-MePhe(4)-Gly(5)-FemaleHomocysteineMaleNaloxoneNarcotic AntagonistsNeuronsRabbitsRespiratory InsufficiencyAnalgesics, OpioidEnkephalin, Ala(2)-MePhe(4)-Gly(5)-homocysteic acidHomocysteineNaloxoneNarcotic Antagonists

Identifiers

PMID25751234
PMCPMC4639929
OpenAlexW2002256632

What OpenQuestion holds

Textmetadata
LicenceTDM
Read underepoch 390

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.