Evidence map›Paper›PMID 24659613›Full record

ArticleExperimental physiology2014

Neural control of blood flow during exercise in human metabolic syndrome.

Jacqueline K Limberg, Barbara J Morgan, Joshua J Sebranek, Lester T Proctor, Marlowe W Eldridge, William G Schrage

Open access · bronzeAbstract read
In one paragraph

Article in Experimental physiology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed
2.0field-weighted citation impact, top 13% 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

10 citing papers in PubMed, 18 citations in OpenAlex.

  1. Review
  2. Article
  3. Functional sympatholysis is impaired in end-stage renal disease.American journal of physiology. Regulatory, integrative and comparative physiology · 2019
    Article
  4. Article
  5. Review
  6. Article
  7. Article
  8. Article
  9. Review
  10. 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 1 country.

Jacqueline K LimbergSchool of Education, Department of Kinesiology, University of Wisconsin - Madison, Madison, WI 53706, USA.
Barbara J MorganSchool of Medicine and Public Health, Department of Orthopedics and Rehabilitation, University of Wisconsin - Madison, Madison, WI 53706, USA.
Joshua J SebranekSchool of Medicine and Public Health, Department of Anesthesiology, University of Wisconsin - Madison, Madison, WI 53792, USA.
Lester T ProctorSchool of Medicine and Public Health, Department of Anesthesiology, University of Wisconsin - Madison, Madison, WI 53792, USA.
Marlowe W EldridgeSchool of Medicine and Public Health, Department of Pediatrics, University of Wisconsin - Madison, Madison, WI 53792, USA.
William G SchrageSchool of Education, Department of Kinesiology, University of Wisconsin - Madison, Madison, WI 53706, USA wschrage@education.wisc.edu.
University of Wisconsin–Madison · US

Funding

ZOLEDRONATE PREVENTS BONE LOSS IN OVARIECTOMIZED RHESUS MONKEYSP51RR000167 · NCRR · UNIVERSITY OF WISCONSIN-MADISON · PI WATKINS, DAVID I · 1985 to 2011
$106.7M
Peripheral Vasodilation in Obese HumansR01HL105820 · NHLBI · UNIVERSITY OF WISCONSIN-MADISON · PI SCHRAGE, WILLIAM G · 2011 to 2015
$2.7M
Aging and Microvascular Dysfunction in Human Skeletal MuscleR21HL091397 · NHLBI · UNIVERSITY OF WISCONSIN-MADISON · PI SCHRAGE, WILLIAM G · 2009 to 2010
$388k
NCRR NIH HHS P51 RR000167NHLBI NIH HHS HL01397NHLBI NIH HHS HL105820NHLBI NIH HHS R01 HL105820NHLBI NIH HHS R21 HL091397
6 · The paper itself

Abstract

α-Adrenergic-mediated vasoconstriction is greater during simulated exercise in animal models of metabolic syndrome (MetSyn) when compared with control animals. In an attempt to translate such findings to humans, we hypothesized that adults with MetSyn (n = 14, 35 ± 3 years old) would exhibit greater α-adrenergic responsiveness during exercise when compared with age-matched healthy control subjects (n = 16, 31 ± 3 years old). We measured muscle sympathetic nerve activity (MSNA; microneurography) and forearm blood flow (Doppler ultrasound) during dynamic forearm exercise (15% of maximal voluntary contraction). α-Adrenergic agonists (phenylephrine and clonidine) and an antagonist (phentolamine) were infused intra-arterially to assess α-adrenergic receptor responsiveness and restraint, respectively. Resting MSNA was ∼35% higher in adults with MetSyn (P < 0.05), but did not change in either group with dynamic exercise. Clonidine-mediated vasoconstriction was greater in adults with MetSyn (P < 0.01). Group differences in vascular responses to phenylephrine and phentolamine were not detected (P > 0.05). Interestingly, exercise-mediated vasodilatation was greater in MetSyn (P < 0.05). Adults with MetSyn exhibit greater resting MSNA and clonidine-mediated vasoconstriction, yet preserved functional sympatholysis and higher exercise blood flow during low-intensity hand-grip exercise when compared with age-matched healthy control subjects. These results suggest that adults with MetSyn exhibit compensatory vascular control mechanisms capable of preserving blood flow responses to exercise in the face of augmented sympathetic adrenergic activity.

Indexed as

ExerciseMuscle ContractionVasoconstrictionAdaptation, PhysiologicalAdrenergic alpha-AgonistsAdrenergic alpha-AntagonistsAdultBlood Flow VelocityCase-Control StudiesFemaleHand StrengthHumansInfusions, Intra-ArterialLaser-Doppler FlowmetryMaleMetabolic SyndromeAdrenergic alpha-AgonistsAdrenergic alpha-Antagonists

Identifiers

PMID24659613
PMCPMC4162814
OpenAlexW1586734388

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.