Haematology and serum biochemistry in the racing greyhound following intraperitoneal povidone-iodine

Ndikuwera, J.; Winstanley, E. W.; Binta-Mushi, G.; Mushi, E.Z.

doi:10.1007/bf00396406

Cited by 4 publications

(1 citation statement)

References 22 publications

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“…Extracellular dehydration. Prerenal kidney insufficiency caused by furosemide in dogs with heart failure, 130 digoxin, 74 and intraperitoneal administration of iodinated povidone‐iodine 139 were reported to cause increases of P‐creatinine.…”

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Creatinine in the Dog: A Review

Braun

Lefebvre

Watson

2003

Veterinary Clinical Pathol

185

154

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Creatinine is the analyte most frequently measured in human and veterinary clinical chemistry laboratories as an indirect measure of glomerular filtration rate (GFR). Although creatinine metabolism and the difficulties of creatinine measurement have been reviewed in human medicine, similar reviews are lacking in veterinary medicine. The aim of this review is to summarize information and data about creatinine metabolism, measurement, and diagnostic significance in the dog. Plasma creatinine originates from the degradation of creatine and creatine phosphate, which are present mainly in muscle and in food. Creatinine is cleared by glomerular filtration with negligible renal secretion and extrarenal metabolism, and its clearance is a good estimate of GFR. Plasma and urine creatinine measurements are based on the nonspecific Jaffé reaction or specific enzymatic reactions; lack of assay accuracy precludes proper interlaboratory comparison of results. Preanalytical factors such as age and breed can have an impact on plasma creatinine (P-creatinine) concentration, while many intraindividual factors of variation have little effect. Dehydration and drugs mainly affect P-creatinine concentration in dogs by decreasing GFR. P-creatinine is increased in renal failure, whatever its cause, and correlates with a decrease in GFR according to a curvilinear relationship, such that P-creatinine is insensitive for detecting moderate decreases of GFR or for monitoring progression of GFR in dogs with severely reduced kidney function. Low sensitivity can be obviated by determining endogenous or exogenous clearance rates of creatinine. A technique for determining plasma clearance following IV bolus injection of exogenous creatinine and subsequent serial measurement of P-creatinine does not require urine collection and with additional studies may become an established technique for creatinine clearance in dogs.

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