Perioperative metoclopramide, at the doses used in this study, did not affect the incidence of aspiration pneumonia in the short term postoperative period in dogs with idiopathic laryngeal paralysis undergoing unilateral arytenoid lateralization.
Objective: To determine the in vitro effects of differing growth factor treatments on the fibrochondrogenic potential of fibroblast-like synoviocytes from cruciate ligament deficient femorotibial joints of dogs. Study Design: In vitro study. Sample Population: Synoviocytes from dogs (n ¼ 8) with naturally occurring cruciate ligament insufficiency. Methods: Synoviocytes were cultured in monolayer and synthesized into tensioned synoviocyte bioscaffolds (TSB) suspended in media containing TGF-b3, or FGF-2, TGF-b1, and IGF-I. The 1,9-dimethylmethylene blue (DMMB) assay and toluidine blue stain assessed glycosaminoglycan content; hydroxyproline assay, and collagen I and II immunohistochemistry assessed collagen content. Biomechanical properties were determined by materials testing/force-deformation curves.
The objective of this experimental study was to evaluate the effects of cricoarytenoid (CA) joint preservation versus disarticulation on rima glottidis (RG) area with the epiglottis open and closed under both low and high suture tension. Canine cadaver larynges were used. A unilateral arytenoid lateralization (UAL) was performed with low or high suture tension and with the CA joint preserved or disarticulated. Rima glottidis area was measured with the epiglottis in an open and closed position. Results indicated that RG area was increased over baseline when UAL was performed with both low and high suture tension when the epiglottis was in an open position. High suture tension resulted in a greater increase in RG area compared to low suture tension, both when the CA was preserved and disarticulated. There was no difference in RG area when the CA was disarticulated versus preserved at either suture tension. Rima glottidis area was not significantly increased over baseline when the epiglottis was in a closed position except in the group with CA joint preservation and high suture tension. Although this study suggests that UAL can be performed with or without CA disarticulation, further studies are warranted before UAL without CA disarticulation can be recommended clinically.
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