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Some horses with extensive cartilage damage may return to athletic function after arthroscopic debridement and lavage. A more pessimistic prognosis may be given to older horses, those with more severe preoperative lameness, and those with severe radiographic changes or large meniscal tears.

Polyatomic density functional theory was used to model tridecane chains near a hard wall under melt conditions. Polymer reference interaction site model (PRISM) liquid state theory provided the bulk structure input for the density functional. The density profile, the fractional distribution of sites, and the variation of the end-to-end separation of the chains as a function of distance from wall contact were calculated, and excellent agreement with the results of full multichain simulation was found.

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Summary A 3‐year‐old Standardbred filly was admitted to the hospital for evaluation and management of previously diagnosed infectious arthritis of the right metacarpophalangeal joint (MCPJ). Candida utilis was isolated from multiple synovial samples submitted for bacterial culture and susceptibility. Following treatment with systemic and intra‐articular fluconazole and regional limb perfusion with amphotericin B and a second arthroscopic debridement the lameness improved and subsequent cultures were negative for bacterial or fungal growth. Infectious fungal arthritis should be a differential diagnosis for atypical or unresponsive joint infections especially in horses previously treated with a combination of intra‐articular corticosteroids and antibiotics.

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DDAL desmitis should be included in the differential diagnoses of horses with lameness that improves after a palmar digital nerve block but have no abnormalities observed on radiographs of the feet. Tenoscopic surgical transection of the DDAL is an effective treatment for some horses.