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Qualitative Dermatoglyphic Traits in Brachial Plexus Palsy

Svetislav Polovina
Jasna Miličić
Miljenko Cvjetičanin
Tajana Polovina Prološčić

Puni tekst: engleski pdf 59 Kb

str. 1077-1081

preuzimanja: 468



It has been considered for many years that the cause of perinatal brachial plexus palsy (PBPP) is excessive lateral
traction applied to the fetal head at delivery, in association with anterior shoulder dystocia, but this do not explain all
cases of brachial plexus palsy. The incidence found in several family members could be suggestive for inheritance with
variable expression. The aim of this study was to prove early found confirmations of genetic predisposition for PBPP. In
the previous studies, the quantitative dermatoglyphic analysis showed some differences in digito-palmar dermatoglyphs
between patients with PBPP and healthy controls. Now this qualitative analysis will try to determine hereditary of those
diseases. We analyzed digito-palmar dermatoglyphics from 140 subjects (70 males and 70 females) diagnosed with PBPP
and 400 phenotypically healthy adults (200 males and 200 females) from Zagreb area as control group. The results of
Chi-square test showed statistically significant differences for frequencies of patterns on fingers in females between the
groups observed. Statistically significant differences were found on palms in III and IV interdigital areas in both males
and females and in thenar and I interdigital area only in females. As it was found in previous researches on quantitative
dermatoglyphic traits, more differences are found between females with PBPP and control group, than between males.
The fact, that the main presumed cause of PBPP is obstetrical trauma, it could be associated with congenital variability
in formation of brachial plexus.

Ključne riječi

qualitative dermatoglyphics; brachial plexus palsy; genetic predisposition

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