Biomechanical effects of unidirectional expansion using anisotropic expanders in horse skin tissue

Al-Majhali, Saddam Hussein and Khairuddin, Nurul Hayah and Razak, Intan Shameha Abdul and Radzi, Zamri and Rahman, Mohammad Tariqur and Sapalo, John Tito and Mayaki, Abubakar Musa and Czernuszka, Jan T. (2021) Biomechanical effects of unidirectional expansion using anisotropic expanders in horse skin tissue. Journal of Equine Veterinary Science, 99. ISSN 0737-0806, DOI

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The use of a self-inflating tissue expander is a technique to stretch cutaneous tissues for potential use in reconstructive skin surgeries. This study investigates the mechanical properties of horse skin stretched by the subcutaneous implantation of anisotropic tissue expanders at the forehead, right shoulder, and dorsomedial part of the cannon region of the right forelimb in six (n = 6) horses. After 14 days of skin expansion, expanded and normal (control) skin samples were harvested and their mechanical properties of elastic modulus (EM), maximum force (MF), maximum stress (MSs) and maximum strain (MSr) were evaluated using uniaxial tension test. The expanded skin from shoulder area has higher EM, MSs, MSr and MF than the normal skin when compared to the forehead and lower forelimb. Statistically, there was a significant ( P = .02) mean difference for MSs between the expanded shoulder and lower forelimb skin, but the pairwise comparison of EM, MSr and MF showed no significant difference between the locations. The overall effect of locations on EM and MSs was statistically significant ( P < .05), however, there was no overall effect of horse factor, treatment factor (normal and expanded skin) and location interaction on the EM, MSS, MF and MSr. In conclusion, the expanded skin from the frontal head and the distal limb are less elastic (stiffer) com pared to that of the expanded skin of the shoulder, thus anatomical location of the skin has some degree of effect on EM and MSs. (c) 2021 Elsevier Inc. All rights reserved.

Item Type: Article
Funders: Universiti Putra Malaysia, Putra Grant-Putra Graduate Initiative[GP-IPS/2019/9675600]
Uncontrolled Keywords: Tissue expander;Skin expansion;Horses;Mechanical properties
Subjects: Q Science > QL Zoology
S Agriculture > SF Animal culture
Divisions: Faculty of Dentistry
Depositing User: Ms Zaharah Ramly
Date Deposited: 22 Jul 2022 02:20
Last Modified: 22 Jul 2022 02:20

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