Evidence mapPaperPMID 40164381Full record

ArticleMicrovascular research2025

K

Kiana M Schulze, Daniel M Hirai, Trenton D Colburn, Jesse C Craig, Timothy I Musch, David C Poole

Abstract read
In one paragraph

Article in Microvascular research, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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

0 citing papers in PubMed.

No citing paper in PubMed yet.

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.

Kiana M SchulzeDepartment of Kinesiology, Kansas State University, Manhattan, KS 66506, United States of America. Electronic address: kiana7@ksu.edu.
Daniel M HiraiDepartment of Health and Kinesiology, Purdue University, West Lafayette, IN 47907, United States of America.
Trenton D ColburnDepartment of Kinesiology, Kansas State University, Manhattan, KS 66506, United States of America.
Jesse C CraigDepartment of Geriatric Research, Education, and Clinical Center, Veterans Affairs Medical Center, Salt Lake City, UT 84148, United States of America; Department of Internal Medicine, University of Utah, Salt Lake City, UT 84112, United States of America.
Timothy I MuschDepartment of Kinesiology, Kansas State University, Manhattan, KS 66506, United States of America; Department of Anatomy and Physiology, Kansas State University, Manhattan, KS 66506, United States of America.
David C PooleDepartment of Kinesiology, Kansas State University, Manhattan, KS 66506, United States of America; Department of Anatomy and Physiology, Kansas State University, Manhattan, KS 66506, United States of America.

Funding

NHLBI NIH HHS F31 HL170643NIA NIH HHS R15 AG078060RRD VA IK2 RX003913
6 · The paper itself

Abstract

introductionWhether pre-capillary sphincters are present and regulate red blood cell (RBC) flux at the individual capillary level, especially in skeletal muscle, is controversial. Recently, blockade of K

methodsVideomicroscopy of the spinotrapezius capillary bed was performed under control (Krebs-Henseleit) and GLI (200 μM in Krebs-Henseleit) superfusion. Capillary RBC flux was measured within individual capillaries and their luminal diameter was measured using a calibrated digital ruler at the branch-point and subsequently downstream.

resultsGLI reduced capillary RBC flux by 31% (p = 0.004). Despite the presence of a reduced RBC flux, no detectable reduction or, indeed, any change in capillary luminal diameter was present at any measurement site. The average diameter at the branching point was 4.9 ± 0.3 μm, and at 5, 10, 20 and 50 μm downstream, the average diameters were 4.8 ± 0.4, 4.8 ± 0.5, 5.0 ± 0.7, and 5.2 ± 0.4 μm, respectively and were unchanged by GLI (all P > 0.05).

conclusionsAccordingly, the absence of any evidence for capillary luminal narrowing or constriction in these data support that the GLI-induced reductions in capillary RBC flux and muscle blood flow occur via upstream effects within the arteriolar bed. Decreases in skeletal muscle microcirculatory RBC flux with this K

Indexed as

CapillariesGlyburideKATP ChannelsMicrocirculationMuscle, SkeletalPotassium Channel BlockersAnimalsBlood Flow VelocityErythrocytesMaleMicroscopy, VideoRegional Blood FlowGlyburideKATP ChannelsPotassium Channel BlockersCapillary diameterGlibenclamideIntravital microscopyRat spinotrapezius muscleRed blood cell flux

Identifiers

PMID40164381
PMCPMC12146066

What Socratic 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 Socratic graph.