Evidence map›Paper›PMID 17478538›Full record

ArticleThe Journal of physiology2007

The effects of hypo- and hyperglycaemia on the hypoxic ventilatory response in humans.

Denham S Ward, William A Voter, Suzanne Karan

Open access · greenAbstract read
In one paragraph

Article in The Journal of physiology, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers.

0numbers the graph read from it
0cells of the map it votes in
31citing papers in PubMed
0.9field-weighted citation impact, top 33% 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

31 citing papers in PubMed, 60 citations in OpenAlex.

  1. Role of the carotid chemoreceptors in insulin-mediated sympathoexcitation in humans.American journal of physiology. Regulatory, integrative and comparative physiology · 2020
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  19. Insulin increases ventilation during euglycemia in humans.American journal of physiology. Regulatory, integrative and comparative physiology · 2018
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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

3 authors at 2 institutions in 1 country.

Denham S WardDepartment of Anesthesiology, University of Rochester School of Medicine and Dentistry, Rochester, NY 14642, USA. Denham_Ward@URMC.rochester.edu
William A Voter
Suzanne Karan
University of Rochester · USUniversity of Rochester Medical Center · US

Funding

YOHIMBINE CHALLENGE IN PARKINSONIAN PATIENTS WITH PANIC DISORDERM01RR000044 · NCRR · UNIVERSITY OF ROCHESTER · PI GUZICK, DAVID S · 1985 to 2006
$13.8M
NCRR NIH HHS 5 M01 RR00044NCRR NIH HHS M01 RR000044
6 · The paper itself

Abstract

Animal and tissue studies have indicated that the carotid bodies are sensitive to glucose concentrations within the physiological range. This glucose sensitivity may modulate the ventilatory response to hypoxia, with hyperglycaemia suppressing the hypoxic response and hypoglycaemia stimulating it. This study was designed to determine whether hypo- and hyperglycaemia modulate the hypoxic ventilatory response in humans. In 11 normal research participants, glucose levels were clamped at 2.8 and 11.2 mmol l(-1) for 30 min. At the start and end of each clamp, blood was drawn for hormone measurement and the isocapnic hypoxic ventilatory response was measured. Because generation of reactive oxygen species may be a common pathway for the interaction between glucose and oxygen levels, the experiments were repeated with and without pretreatment for 1 week with vitamins C and E. Hypoglycaemia caused an increase in the counter-regulatory hormones, a 54% increase in isocapnic ventilation, and a 108% increase in the hypoxic ventilatory response. By contrast, hyperglycaemia resulted in small but significant increases in both ventilation and the hypoxic ventilatory response. Antioxidant vitamin pretreatment altered neither response. In conclusion, the stimulant effect of hypoglycaemia on the hypoxic ventilatory response is consistent with a direct effect on the carotid body, but an indirect effect through the activation of the counter-regulatory response cannot be excluded. The mechanisms behind the mild stimulating effect of hyperglycaemia remain to be elucidated.

Indexed as

RespirationAdultAntioxidantsAscorbic AcidFemaleGlucose Clamp TechniqueHormonesHumansHyperglycemiaHypoglycemiaHypoxiaMaleVitamin EAntioxidantsAscorbic AcidHormonesVitamin E

Identifiers

PMID17478538
PMCPMC2075331
OpenAlexW1504646568

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.