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The Thai Journal of Veterinary Medicine

Abstract

A novel membrane was previously found to be effective in preventing post-thoracotomy pleural adhesions in dogs. The aim of the present study was to verify the animals’ clinical condition, the biological fate of the residual membrane, the presence or absence of pleural adhesions, and any inflammatory reactions over a 10-week observation period following membrane implantation. The animals used were two male beagles. The experimental membrane, an insoluble hyaluronic acid membrane containing glycerin, was implanted under general anesthesia above the visceral pleura in the left pleural cavity of each dog after exposure to air for 30 min. A drainage tube was installed, and the incision was closed. The drainage tube was removed after confirming the absence of pleural effusion. Ten weeks after implantation of the experimental membrane, the dogs were sacrificed, and their chests were re-opened with a median sternotomy to examine adhesions. Macroscopic examination at the end of the observation period showed a total absence of pleural adhesions in both dogs, without complications of wound healing at the suture sites on the chest wall, and no findings suggested any inflammatory response. Based on these results, this experimental membrane can prevent postoperative pleural adhesions in dogs.

Publisher

Faculty of Veterinary Science, Chulalongkorn University

First Page

493

Last Page

498

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