Summary
A retrospective evaluation was performed on 46 cats with arterial thromboembolism (ATE) that were treated with streptokinase (SK). Significant heart disease was diagnosed in 45/46 cats, and 21/46 cats had congestive heart failure. Variable dosing schemes of streptokinase were administered within 1–20 hours following the onset of clinical signs (median = 5.5 hours). There was no difference between survivors (S) and non‐survivors (NS), based on time of administration of SK after onset of clinical signs. Twenty‐five (54%) of the cats had return of pulses within 2–24 hours of treatment. Fourteen (30%) of the cats had return of motor function between 9 hours and 6 days. Fifteen of the cats (33%) were discharged from the hospital, 18 (39%) died in the hospital, and 13 (28%) cats were euthanized due to complications or poor response to treatment. Four of 5 cats (80%) with single limb dysfunction survived to hospital discharge. Life threatening hyperkalemia was diagnosed in 16 cats (35%) after SK administration. Hyperkalemia was more likely to occur with the longer duration of SK infusion. Eleven cats (24%) developed clinical signs of bleeding following SK administration and 3 of these cats required a blood transfusion. Laboratory testing documented coagulopathy following SK administration in 11 out of 17 cats tested. Hypothermia and azotemia prior to SK administration and the development of hyperkalemia were negatively associated with survival.
Summary
Peritoneal dialysis is an effective modality for the treatment of acute and chronic renal failute, specific intoxications, electrolyte abnormalities, and fluid overload. This review of peritoneal dialysis as it applies to the veterinary critical care setting includes: the indications and contraindications for dialysis; selection and placement of peritoneal catheters; description of the dialysis delivery technique; considerations for monitoring the dialysis patient and treatment of common complications of dialysis therapy. If appropriately applied, peritoneal dialysis is a viable treatment tool in veterinary critical care.
In this case series, we documented a leukocytoclastic vasculitis and probable antigen-antibody complexes to human albumin in the dermis of 2 critically ill dogs after administration of HSA. Previously, type III hypersensitivity reactions had only been reported in healthy dogs that had received HSA. This report also describes the potential use of immunohistochemical staining to detect the HSA antigen in tissue sections through the use of specifically labeled antibodies.
Two‐dimensional ultrasonography was evaluated as an imaging modality in experimentally induced, acute pancreatitis in six dogs. Ultrasonic scans were performed once daily for one week following the induction of pancreatitis. Pancreatitis. Pancreatic inflammation, characterized by the development of nonhomogeneous masses and loss of echodensity in the pancreatic region, was consitently observed in all dogs. The results suggest that pancreatic ultrasonography may be a valuable technique for evaluating dogs with spontaneously occurring, acute pancreatitis.
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