Using the described method of muscle measurement in Labrador Retrievers only measurement of the proximal antebrachium was reliable; a single (1st) measurement was as reliable as using the mean of triplicate measurements.
Dogs and cats that had a percutaneous endoscopic gastrostomy (PEG) tube or surgically placed gastrostomy (SPG) tube inserted were retrospectively analyzed to compare complication rates and the severity of complications. Complication rates and severity scores were not significantly different when the PEG tube group was compared to the SPG tube group in either dogs or cats. Only when data from dogs and cats were combined did PEG tubes have a significantly higher complication rate and significantly greater complication severity scores.
A 10-year-old, spayed female Dalmatian was diagnosed with granulomatous urethritis causing urethral obstruction. Due to the extensive involvement of the urethra, a urethrostomy was not possible. A commercially available, silicone, low-profile gastrostomy tube was placed as a prepubic cystostomy tube to achieve urinary diversion. This tube is easy to use, has a one-way valve, and lies flush with the skin margin, thereby decreasing the likelihood of inadvertent removal. This tube should be considered to achieve long-term urinary diversion when urethral involvement is extensive.
To better understand the mechanisms responsible for the pathological processes of osteoarthritis (OA) and to potentially identify a profile of changes that could be predictive of early OA, matrix metalloproteinase-1 (MMP-1) and tissue inhibitor of matrix metalloproteinase-2 (TIMP-2) in the synovial fluid and serum of normal and osteoarthritic dogs were examined. The concentration of MMP-1 in the synovial fluid of osteoarthritic dogs (0.62 +/- 0.16), as measured by densitometry, was significantly higher than that found in control dogs (0.42 +/- 0.19) (P = 0.03). The concentration of MMP-1 in the serum of osteoarthritic dogs (0.74 +/- 0.16) was significantly less than that found in control dogs (0.87 +/- 0.08) (P = 0.05). The concentration of TIMP-2 in the synovial fluid of osteoarthritic dogs (46.2 +/- 21.9 ng/ml) was significantly less than that of control dogs (122.0 +/- 66.5 ng/ml) (P = 0.009). The concentration of TIMP-2 in the serum of osteoarthritic dogs (116.2 +/- 43.1 ng/ml) was not significantly different than that of control dogs (95.1 +/- 94.4 ng/ml) (P = 0.554). In addition, a phospho-tyrosine immunoprecipitation and mass spectrometry were used to isolate and identify interferon-alpha in canine synovial fluid.
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