Clinical prevalence of palmaris longus agenesis: A systematic review and meta‐analysis

Kaissar Yammine

doi:10.1002/ca.22289

journal article Jul 03, 2013

Clinical prevalence of palmaris longus agenesis: A systematic review and meta‐analysis

Kaissar Yammine

Clinical Anatomy Vol. 26 No. 6 pp. 709-718 · Wiley

View at Publisher Save 10.1002/ca.22289

Abstract

We report a systematic review and a proportion meta‐analysis of prevalence studies evaluating the prevalence of palmaris longus agenesis (PLA) in the literature. The overall PLA rate was defined to be the primary outcome. Secondary outcomes were rates of PLA in relation to ethnicity, laterality, side, gender, age, and hand dominance. We identified 26 articles which met the inclusion criteria. Meta‐analyses showed an overall PLA pooled rate of 20.25%, higher than the commonly reported overall rate of 15%. Our results also showed significantly lower pooled rates in Africans (11.3%) and East Asians (4.5%) when compared to Arab Middle Eastern population (41.7%). A subgroup analysis of the African group showed a pooled rate of 2.71%, the lowest, in the East and South East African population. The pooled rate was 26.3% among Caucasians, 26.16% among South and Southeast Asians and 34.13% among Turkish. In discordance with the literature, PLA was statistically more predominant on the right side. No significant differences in PLA rates were found for laterality, gender, the combination of gender and side or the combination of gender and laterality. The lowest rate of PLA found in East and South East African populations might be indicative of the subsequent phylogenetic degeneration of the palmaris longus muscle in modern humans after the “Out of Africa” migration. Clin. Anat. 26:709–718, 2013. © 2013 Wiley Periodicals, Inc.

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Details

Published: Jul 03, 2013
Vol/Issue: 26(6)
Pages: 709-718
License: View

Authors

K

Kaissar Yammine

Foot and Hand Clinic, The Orthopedic Department and the Center for Evidence‐Based Orthopedic Research Emirates Hospital Jumeirah Beach Road Dubai UAE

Cite This Article

Kaissar Yammine (2013). Clinical prevalence of palmaris longus agenesis: A systematic review and meta‐analysis. Clinical Anatomy, 26(6), 709-718. https://doi.org/10.1002/ca.22289

Clinical prevalence of palmaris longus agenesis: A systematic review and meta‐analysis

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