Evidence map›Paper›PMID 21199397›Full record

ReviewActa physiologica (Oxford, England)2011

Regulation of blood flow in the microcirculation: role of conducted vasodilation.

P Bagher, S S Segal

Open access · greenAbstract readReview
In one paragraph

Review in Acta physiologica (Oxford, England), 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 131 papers.

0numbers the graph read from it
0cells of the map it votes in
131citing papers in PubMed
8.9field-weighted citation impact, top 2% 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

131 citing papers in PubMed, 247 citations in OpenAlex.

  1. Trial
  2. Article
  3. Review
  4. Guidelines for evaluating endothelial function in vascular tissue.American journal of physiology. Heart and circulatory physiology · 2026
    Review
  5. Review
  6. Article
  7. Swimming motions evoke Piezo1-dependent CaCurrent biology : CB · 2025
    Article
  8. Article
  9. Regulation of Collecting Lymphatic Vessel Contractile Function by TRPV4 Channels.Arteriosclerosis, thrombosis, and vascular biology · 2025
    Article
  10. Article
  11. Article
  12. Review
  13. Article
  14. Article
  15. Article
  16. Observational
  17. Review
  18. Article
  19. Impact of aging on vascular ion channels: perspectives and knowledge gaps across major organ systems.American journal of physiology. Heart and circulatory physiology · 2023
    Review
  20. Review

71 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 at 1 institution in 1 country.

P BagherDepartment of Medical Pharmacology and Physiology, University of Missouri, Columbia, MO 65212, USA.
S S Segal
University of Missouri · US

Funding

Intercellular Coordination of Blood Flow ControlR37HL041026 · NHLBI · UNIVERSITY OF MISSOURI-COLUMBIA · PI SEGAL, STEVEN S · 2008 to 2018
$3.7M
Exercise &Health: Integration from Molecule to PatientT32AR048523 · NIAMS · UNIVERSITY OF MISSOURI-COLUMBIA · PI TERJUNG, RONALD L · 2003 to 2013
$2.5M
Microcirculation in Aging Skeletal MuscleR01HL086483 · NHLBI · UNIVERSITY OF MISSOURI-COLUMBIA · PI SEGAL, STEVEN S · 2007 to 2012
$2.4M
UNIT CONTROL OF MUSCLE BLOOD FLOWR01HL056786 · NHLBI · UNIVERSITY OF MISSOURI-COLUMBIA · PI SEGAL, STEVEN S · 1996 to 2007
$1.6M
Fast calcium responses along arteriolar endothelium in vivoF32HL097463 · NHLBI · UNIVERSITY OF MISSOURI-COLUMBIA · PI BAGHER, POONEH · 2009 to 2010
$84k
NHLBI NIH HHS F32 HL097463NHLBI NIH HHS F32-HL097463NHLBI NIH HHS R01 HL056786NHLBI NIH HHS R01-HL056786NHLBI NIH HHS R01 HL086483NHLBI NIH HHS R01-HL086483NHLBI NIH HHS R37 HL041026NHLBI NIH HHS R37-HL041026NIAMS NIH HHS T32 AR048523NIAMS NIH HHS T32-AR048523
6 · The paper itself

Abstract

This review is concerned with understanding how vasodilation initiated from local sites in the tissue can spread to encompass multiple branches of the resistance vasculature. Within tissues, arteriolar networks control the distribution and magnitude of capillary perfusion. Vasodilation arising from the microcirculation can 'ascend' into feed arteries that control blood flow into arteriolar networks. Thus distal segments of the resistance network signal proximal segments to dilate and thereby increase total oxygen supply to parenchymal cells. August Krogh proposed that innervation of capillaries provided the mechanism for a spreading vasodilatory response. With greater understanding of the ultrastructural organization of resistance networks, an alternative explanation has emerged: Electrical signalling from cell to cell along the vessel wall through gap junctions. Hyperpolarization originates from ion channel activation at the site of stimulation with the endothelium serving as the predominant cellular pathway for signal conduction along the vessel wall. As hyperpolarization travels, it is transmitted into surrounding smooth muscle cells through myoendothelial coupling to promote relaxation. Conducted vasodilation (CVD) encompasses greater distances than can be explained by passive decay and understanding such behaviour is the focus of current research efforts. In the context of athletic performance, the ability of vasodilation to ascend into feed arteries is essential to achieving peak levels of muscle blood flow. CVD is tempered by sympathetic neuroeffector signalling when governing muscle blood flow at rest and during exercise. Impairment of conduction during ageing and in diseased states can limit physical work capacity by restricting muscle blood flow.

Indexed as

AnimalsArteriolesCell CommunicationGap JunctionsHemodynamicsIon ChannelsMicrocirculationMuscle, SkeletalMuscle, Smooth, VascularRegional Blood FlowSignal TransductionVasodilationVasomotor SystemIon Channels

Identifiers

PMID21199397
PMCPMC3115483
OpenAlexW1487735792

What OpenQuestion holds

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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.