Anatomical variations of the pyramidalis muscle: a systematic review and meta-analysis.
Anatomical variations
Morphometry
Pyramidalis muscle
Journal
Surgical and radiologic anatomy : SRA
ISSN: 1279-8517
Titre abrégé: Surg Radiol Anat
Pays: Germany
ID NLM: 8608029
Informations de publication
Date de publication:
Apr 2021
Apr 2021
Historique:
received:
26
09
2020
accepted:
10
11
2020
pubmed:
26
11
2020
medline:
10
8
2021
entrez:
25
11
2020
Statut:
ppublish
Résumé
To provide a comprehensive evidence-based assessment of the anatomical characteristics of the pyramidalis muscle (PM). A thorough systematic search of the literature through August 31st 2020 was conducted on major electronic databases PubMed, Scopus and Web of Science (WOS) to identify studies eligible for inclusion. Data were extracted and pooled into a meta-analysis using MetaFor package in R and MetaXL. A random-effects model was applied. The primary outcome of interest was the prevalence of PM. The secondary outcomes were the dimensions (length and width) of the PM. A total of 11 studies (n = 787 patients; 1548 sides) were included in the meta-analysis. The multinomial pooled prevalence estimate (PPE) for a bilateral absence of the PM was 11.3% (95% CI [7.2%, 16.2%], 82.3% (95% CI [76.2%, 87.6%]) for a bilateral presence, and 6.3% (95% CI [3.3%, 10.2%]) for a unilateral presence. Of four studies (n = 37 patients) that reported the side of a unilateral presence, the PPE of a unilateral right-side presence was 42.2% (95% CI [23.0%, 62.3%]) compared to 57.8% for a unilateral left-side presence (95% CI [37.7%, 77.0%]). The mean length of the PM displayed high levels of heterogeneity, ranging from 3.12 to 12.50 cm. The pyramidalis muscle is a rather constant anatomical structure being present in approximately 90% of individuals.
Identifiants
pubmed: 33236206
doi: 10.1007/s00276-020-02622-4
pii: 10.1007/s00276-020-02622-4
doi:
Types de publication
Journal Article
Meta-Analysis
Systematic Review
Langues
eng
Sous-ensembles de citation
IM
Pagination
595-605Références
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