Evidence map›Paper›PMID 18333646›Full record

ArticleThe Cleft palate-craniofacial journal : official publication of the American Cleft Palate-Craniofacial Association2008

Effect of cleft palate repair on the susceptibility to contraction-induced injury of single permeabilized muscle fibers from congenitally-clefted goat palates.

Erik P Rader, Paul S Cederna, William T McClellan, Stephanie A Caterson, Kip E Panter, Deborah Yu, Steven R Buchman, Lisa M Larkin, John A Faulkner, Jeffrey Weinzweig

Open access · greenAbstract read
In one paragraph

Article in The Cleft palate-craniofacial journal : official publication of the American Cleft Palate-Craniofacial Association, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.

0numbers the graph read from it
0cells of the map it votes in
4citing papers in PubMed
–field-weighted citation impact, top 90% 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

4 citing papers in PubMed, 8 citations in OpenAlex.

  1. Review
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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

10 authors at 3 institutions in 1 country.

Erik P RaderDepartment of Surgery, University of Michigan, Ann Arbor, MI, USA.
Paul S Cederna
William T McClellan
Stephanie A Caterson
Kip E Panter
Deborah Yu
Steven R Buchman
Lisa M Larkin
John A Faulkner
Jeffrey Weinzweig
Beth Israel Deaconess Hospital · USDuke Medical Center · USLahey Hospital and Medical Center · US

Funding

Research DevelopmentP30AG013283 · NIA · UNIVERSITY OF MICHIGAN AT ANN ARBOR · PI MILLER, RICHARD A · 1995 to 2014
$12.3M
THE FLY HEART: A MODEL FOR AGED-RELATED CHANGES IN CARDIAC PERFORMANCEP01AG015434 · NIA · UNIVERSITY OF MINNESOTA · PI METZGER, JOSEPH MARK · 1998 to 2007
$8.8M
TRAINING GRANT IN TRAUMA, BURN AND WOUND HEALING RESEARCT32GM008616 · NIGMS · UNIVERSITY OF MICHIGAN AT ANN ARBOR · PI BUCHMAN, STEVEN R, CHUNG, KEVIN C · 1997 to 2025
$3.1M
Regenerative Sciences Training Program(RMI)T90DK070071 · NIDDK · UNIVERSITY OF MICHIGAN AT ANN ARBOR · PI GOLDSTEIN, STEVEN A · 2004 to 2008
$2.7M
NIA NIH HHS P01 AG015434NIA NIH HHS P30 AG013283NIA NIH HHS P30 AG 13283NIDDK NIH HHS T90 DK 070071NIDDK NIH HHS T90 DK070071NIGMS NIH HHS T32 GM 008161-06A1NIGMS NIH HHS T32 GM008616
6 · The paper itself

Abstract

objectiveDespite cleft palate repair, velopharyngeal competence is not achieved in approximately 15% of patients, often necessitating secondary surgical correction. Velopharyngeal competence postrepair may require the conversion of levator veli palatini muscle fibers from injury-susceptible type 2 fibers to injury-resistant type 1 fibers. As an initial step to determining the validity of this theory, we tested the hypothesis that, in most cases, repair induces the transformation to type 1 fibers, thus diminishing susceptibility to injury.

interventionsSingle permeabilized levator veli palatini muscle fibers were obtained from normal palates and nonrepaired congenitally-clefted palates of young (2 months old) and adult (14 to 15 months old) goats and from repaired palates of adult goats (8 months old). Repair was done at 2 months of age using a modified von Langenbeck technique.

main outcome measuresFiber type was determined by contractile properties and susceptibility to injury was assessed by force deficit, the decrease in maximum force following a lengthening contraction protocol expressed as a percentage of initial force.

resultsFor normal palates and cleft palates of young goats, the majority of the fibers were type 2 with force deficits of approximately 40%. Following repair, 80% of the fibers were type 1 with force deficits of 20% +/- 2%; these deficits were 45% of those for nonrepaired cleft palates of adult goats (p < .0001).

conclusionThe decrease in the percentage of type 2 fibers and susceptibility to injury may be important for the development of a functional levator veli palatini muscle postrepair.

Indexed as

Age FactorsAnimalsBiomechanical PhenomenaCleft PalateDisease Models, AnimalGoatsMuscle ContractionMuscle DevelopmentMuscle Fibers, Fast-TwitchMuscle Fibers, Slow-TwitchPalatal MusclesPalatePalate, HardPalate, SoftSarcomeresStress, Mechanical

Identifiers

PMID18333646
PMCPMC2754268
OpenAlexW2017058964

What OpenQuestion holds

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Registered trials

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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.