Related Experiment Video
Updated: Apr 26, 2026
Surgical Closure of Equine Abdomen, Prevention, and Management of Incisional Complications
Published on: May 10, 2024
Biomechanical evaluation of a novel subcuticular skin stapling device for use in equine abdominal surgeries
Adam Biedrzycki1, Mark D Markel, Sabrina H Brounts
1Department of Surgical, University of Wisconsin-Madison, Madison, Wisconsin.
Objective:
To compare the in vitro biomechanical properties of a novel subcuticular stapling device to current methods of abdominal skin closure for equine abdominal surgery.
Study Design:
In vitro randomized, matched design.
Sample Population:
Equine ventral median abdominal skin specimens (n = 24 horses).
Methods:
Subcuticular absorbable staples (SAS), metallic staples (MS), polyglyconate suture (PG), and nylon monofilament (NYL) were applied to longitudinally transected portions of equine ventral midline skin. Loads that resulted in an initial failure point and the ultimate failure load and mechanism were recorded.
Results:
Mean ± SD loads at initial failure for PG (86 N ± 64 N), NYL (81 N ± 142 N), and SAS (70 N ± 20 N) were not significantly different from each other. PG and SAS were significantly higher than MS (43 N ± 17 N; P < .05). Ultimate failure load for PG (563 N ± 157 N) and NYL (558 N ± 162 N) were significantly higher than either MS (175 N ± 44 N) or SAS (96 N ± 20N; P < .001). For the suture groups, nearly all failures occurred because of skin pull through whereas all SAS staples failed because of staple fracture. Failure patterns were mixed for MS.
Conclusions:
SAS had the lowest ultimate failure load; however, other measured variables identified characteristics of SAS that may be clinically beneficial.
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