Evidence map›Paper›PMID 11080263›Full record

ArticleThe Journal of physiology2000

Episodic but not continuous hypoxia elicits long-term facilitation of phrenic motor output in rats.

T L Baker, G S Mitchell

Abstract read
In one paragraph

Article in The Journal of physiology, 2000. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 132 papers.

0numbers the graph read from it
0cells of the map it votes in
132citing 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

132 citing papers in PubMed.

  1. Trial
  2. Trial
  3. Trial
  4. Long-term facilitation of ventilation in humans with chronic spinal cord injury.American journal of respiratory and critical care medicine · 2014
    Trial
  5. Trial
  6. Article
  7. Article
  8. Beneficially Stressing the Peripheral Nervous System to Repair.International journal of molecular sciences · 2026
    Review
  9. Article
  10. Article
  11. Article
  12. Article
  13. Article
  14. Review
  15. Article
  16. Review
  17. Review
  18. Article
  19. Article
  20. Increased spinal adenosine impairs phrenic long-term facilitation in aging rats.Journal of applied physiology (Bethesda, Md. : 1985) · 2023
    Article

72 more citing papers are in PubMed but not listed here.

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

2 authors.

T L BakerCenter for Neuroscience and Department of Comparative Biosciences, School of Veterinary Medicine, University of Wisconsin, 2015 Linden Drive West, Madison, WI 53706, USA. bakert@svm.vetmed.wisc.edu
G S Mitchell

Funding

Respiratory NeurobiologyT32HL007654 · NHLBI · UNIVERSITY OF WISCONSIN-MADISON · PI MITCHELL, GORDON S. · 1987 to 2011
$4.0M
DEVELOPMENTAL PLASTICITY IN VENTILATORY CONTROLR01HL053319 · NHLBI · UNIVERSITY OF WISCONSIN MADISON · PI MITCHELL, GORDON STEWART · 1995 to 2001
$456k
INTERACTIONS IN VENTILATORY CONTROL DURING EXERCISER01HL036780 · NHLBI · UNIVERSITY OF WISCONSIN MADISON · PI MITCHELL, GORDON STEWART · 1987 to 1999
–
NHLBI NIH HHS HL07654NHLBI NIH HHS HL36780NHLBI NIH HHS HL53319NHLBI NIH HHS T32 HL007654
6 · The paper itself

Abstract

1. Intermittent hypoxia elicits long-term facilitation (LTF) of phrenic motor output in anaesthetized rats. We tested the hypothesis that an equal cumulative duration of continuous hypoxia would not elicit phrenic LTF. 2. Integrated phrenic nerve activity was recorded in urethane-anaesthetized, vagotomized, paralysed and ventilated rats exposed to: (1) 3 X 3 min hypoxic episodes (inspired O2 fraction (FI, O2) = 0.11) separated by 5 min hyperoxia (FI,O2 = 0.5; n = 6), (2) 9 min continuous hypoxia (n = 6), or (3) 20 min continuous hypoxia (n = 7). Isocapnia was maintained throughout the protocol. 3. Consistent with previous studies, phrenic amplitude was significantly elevated for at least 1 h following intermittent hypoxia (78 +/- 15% 60 min post-hypoxia; P < 0.05) with an associated increase in burst frequency (11 +/- 2.1 bursts min-1; P < 0.05). In contrast, 9 or 20 min continuous hypoxia did not elicit LTF of either phrenic amplitude (4.7 +/- 5.1 and 10.1 +/- 10.2% 60 min post-hypoxia, respectively; P > 0.05) or frequency (4.6 +/- 1.3 and 5.1 +/- 2 bursts min-1 60 min post-hypoxia, respectively; P > 0.05). 4. The results indicate that hypoxia-induced long-term facilitation of phrenic motor output is sensitive to the pattern of hypoxic exposure in anaesthetized rats.

Indexed as

AnesthesiaAnesthetics, IntravenousAnimalsElectrophysiologyHypoglossal NerveHypoxia, BrainLong-Term PotentiationMaleMotor NeuronsPhrenic NerveRatsRats, Sprague-DawleyUrethaneVagotomyAnesthetics, IntravenousUrethane

Identifiers

PMID11080263
PMCPMC2270180

What OpenQuestion holds

Textmetadata
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.