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- Author or Editor: S. Emmanuelle Knafo x
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Abstract
OBJECTIVE
To evaluate the sterility of citrate phosphate dextrose adenine (CPDA-1) anticoagulant when sampled from blood collection bags in a multi-dose manner.
SAMPLE
10 pre-filled CPDA-1 blood collection bags; 46 bacterial and 28 fungal culture result reports.
PROCEDURES
10 CPDA-1 blood collection bags were split into 2 equal groups and stored at either room temperature (24 °C) or refrigerator temperature (5 °C) for 30 days. Two bags in each group were designated as controls. Beginning on day 0 a 1.0 mL aliquot was withdrawn from each experimental bag and submitted for bacterial culture (aerobic and anaerobic) every 5 days, and fungal culture every 10 days. All 10 bags were sampled on day 30. Bacterial and fungal culture results were compiled and interpreted.
RESULTS
46 CPDA-1 aliquots were cultured, resulting in 2 positive microbial isolates: Bacillus was cultured from a previously unopened experimental bag on day 0, and Candida was cultured from a refrigerated experimental bag on day 30. Both positives are thought to represent post-sampling contamination, though these suspicions cannot be confirmed in the bag yielding Candida due to a lack of subsequent data. All other samples were negative for microbial growth.
CLINICAL RELEVANCE
CPDA-1 blood collection bags stored at either 24 °C or 5 °C can be used in a multi-dose manner for up to 20 days when each sample is obtained aseptically. These results support the clinician’s ability to utilize the contents of 1 bag multiple times rather than discarding the bag after a single use.
Abstract
Case Description—An 8-year-old male red kangaroo (Macropus rufus) was evaluated with a 2-week history of vomiting and anorexia. Four days prior, the patient became refractory to medical management. The kangaroo was admitted for diagnostic testing and treatment including whole body CT, blood work, and emergency laparotomy.
Clinical Findings—CT findings of a severely enlarged stomach, splenic displacement, and a whirl sign were indicative of mesenteric volvulus with gastric dilatation-volvulus (GDV). Contrast enhancement of abdominal viscera suggested intact arterial blood supply; however, compression of the caudal vena cava and portal vein indicated venous obstruction. Results of preoperative blood work suggested biliary stasis without evidence of inflammation. Additionally, a tooth root abscess was diagnosed on the basis of results of CT.
Treatment and Outcome—Exploratory laparotomy confirmed the diagnosis of mesenteric volvulus and GDV. The volvuli were corrected by clockwise derotation, and a gastropexy was performed. Tissue samples were obtained from the spleen and liver for evaluation. The kangaroo recovered from surgery, and the abscessed tooth was extracted 6 days later. Eight days after initial evaluation, the kangaroo was discharged.
Clinical Relevance—In the present report, the CT whirl sign was used to diagnose volvulus of the abdominal viscera, which suggests that this diagnostic indicator has utility in veterinary patients. Mesenteric volvulus with GDV was successfully treated in a nondomestic species. The tooth root abscess, a common condition in macropods, may explain the historic episodes of anorexia reported by the owner and may have contributed to the development of mesenteric volvulus and GDV in this kangaroo.