• Deborah C Silverstein, Antonio Pruett-Saratan, and Kenneth J Drobatz.
• Department of Clinical Studies, Matthew J. Ryan Veterinary Hospital, University of Pennsylvania, Philadelphia, PA 19104-6010, USA. dcsilver@vet.upenn.edu
• J Vet Emerg Crit Care (San Antonio). 2009 Dec 1; 19 (6): 579-87.

ObjectiveTo determine normal microvascular assessment parameters for healthy, anesthetized dogs.DesignProspective investigational descriptive study.SettingUniversity Teaching Hospital.AnimalsFifteen client-owned, systemically healthy dogs that were undergoing general anesthesia for an elective procedure.InterventionsA sidestream dark-field videomicroscope probe was placed in the mouth at the mucogingival junction above the canine tooth and 3 video recordings of the microcirculation were made for later analysis by 2 independent, blinded reviewers.Measurements And Main ResultsThe videos were analyzed to determine the total vessel density, proportion of perfused vessels, microcirculatory flow index, and perfused vessel density. A range of values for these indices were obtained and reported.ConclusionsThe microcirculation of normal dogs is readily observable using the videomicroscope and recorded video segments can be used to determine microcirculatory measurements. These values may prove useful for comparison in future studies that examine canine microcirculatory parameters.

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