J Vet Sci.  2015 Mar;16(1):99-106. 10.4142/jvs.2015.16.1.99.

Comparison of three skin-stretching devices for closing skin defects on the limbs of dogs

• Tsioli V
• Papazoglou LG
• Papaioannou N
• Psalla D
• Savvas I
• Pavlidis L
• Karayannopoulpou M

• KMID: 2160826
• DOI: http://doi.org/10.4142/jvs.2015.16.1.99

Abstract

Our objective was to evaluate the effectiveness of skin-stretching devices for closing defects on the extremities of dogs. Antebrachial skin defects were created on the limbs of 24 dogs randomly divided into three groups. Skin stretchers included staples and sutures passing through them (group A), sutures and hypodermic needles (group B), and Pavletic device (group C). Wounds on the left were further undermined in all groups. Tension and blood perfusion were assessed. After removing the stretchers on day 3, the defects were sutured and wound healing was clinically scored. Histological variables evaluated were cellular infiltration, edema, collagen orientation, and thickness of epidermis. Significant differences in tension were found among groups (p < 0.0005) and between measurement times for undermined (p = 0.001) or non-undermined (p < 0.0005) wounds. In contrast, blood perfusion values did not differ significantly. Clinical scores for group B seemed to be better than those for groups A and C, but differences were not significant. Primary wound closure using the Pavletic device was not feasible. No significant differences in histological variables were found between groups. Skin stretching with staples or hypodermic needles resulted in successful wound management with minor side effects on skin histology and circulation.

Keyword

dog; extremities; skin defects; skin stretchers

MeSH Terms

Animals
Dogs
Female
Forelimb/pathology
Male
Skin/*injuries
Stress, Mechanical
Tissue Expansion/instrumentation/*veterinary
Wound Closure Techniques/instrumentation/*veterinary
Wound Healing/physiology

Figure

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  Fig. 1 Markings for the skin defect on the craniolateral surface of the mid-forearm. Note the sites for measuring blood perfusion using LDF. F; frontal wound side, C; caudal wound side, u; upper wound, m; middle wound, l; lower wound, L; left limb (undermined wounds).

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  Fig. 2 Skin staples applied in group A.

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  Fig. 3 Hypodermic needles placed in group B.

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  Fig. 4 The Pavletic skin-stretching device used for group C.

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  Fig. 5 Device used for measuring tension. A dynamometer was attached to haemostatic forceps.

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  Fig. 6 Primary closure of the wound after removal of the skin stretchers.

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