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  • Author or Editor: Mélanie Ammersbach x
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Abstract

OBJECTIVE To evaluate peripheral blood and abdominal fluid variables as predictors of intestinal surgical site failure in dogs with septic peritonitis following celiotomy and closed-suction abdominal drain (CSAD) placement.

DESIGN Prospective study.

ANIMALS 26 dogs with septic peritonitis that underwent celiotomy and CSAD placement.

PROCEDURES Abdominal fluid and blood samples were collected prior to surgery and daily thereafter until CSAD removal. Abdominal fluid was collected through the CSAD. Analysis of all samples included pH, PCO2, PO2, PCV, WBC count, and total solids, glucose, lactate, and electrolyte concentrations. Abdominal fluid samples also underwent cytologic evaluation and bacterial culture, and the volume of fluid removed through the drain was recorded daily. The blood-to-fluid glucose and lactate differences, fluid-to-blood lactate ratio and blood-to-fluid WBC and neutrophil ratios were determined daily. Dogs were categorized into 2 groups on the basis of whether they had an uneventful recovery (UR) or developed postoperative septic peritonitis (POSP).

RESULTS 23 dogs had a UR and 3 developed POSP. On the third day after surgery, the abdominal fluid WBC count was significantly lower and the blood-to-fluid WBC and neutrophil ratios were significantly higher for dogs in the POSP group, compared with those for dogs in the UR group. None of the other blood and abdominal fluid variables assessed differed significantly between the 2 groups.

CONCLUSIONS AND CLINICAL RELEVANCE Results failed to identify any objective predictive indicators for POSP in dogs with CSADs. Use of blood-to-fluid WBC and neutrophil ratios as predictive indicators for POSP requires further investigation.

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in Journal of the American Veterinary Medical Association

Abstract

Objective—To estimate the prevalence of clinically relevant atherosclerotic lesions in birds and identify epidemiological variables and illness types associated with development of atherosclerosis.

Design—Retrospective case-control study.

Sample—Records of 7683 psittacine birds, including 525 with advanced atherosclerosis.

Procedures—5 pathology centers provided databases and access to histopathology slides. Age and sex were collected for all birds of the Amazona, Ara, Cacatua, Nymphicus, and Psittacus genera. Databases were searched for atherosclerosis cases, and slides were reviewed for the presence of type IV through VI atherosclerotic lesions. Results were used to build several multiple logistic models to define the association between advanced atherosclerosis and age, sex, genus, illness type, and specific lesions. Prevalence was reported as a function of age, sex, and genus.

Results—In the first model including 7683 birds, age, female sex, and the genera Psittacus, Amazona, and Nymphicus were significantly associated with clinically relevant atherosclerosis detected via necropsy. Subsequent models of 1,050 cases revealed further associations with reproductive disease, hepatic disease, and myocardial fibrosis, controlling for age, sex, and genus.

Conclusions and Clinical Relevance—Age, female sex, and 3 genera appeared to be positively associated with the presence of advanced atherosclerotic lesions in psittacine birds. This information may be useful in clinical assessment of the cardiovascular system and patient management. Reproductive diseases were the only potentially modifiable risk factor identified and could be a target for prevention in captive psittacine birds.

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in Journal of the American Veterinary Medical Association