Comparison of peritoneal fluid analysis before and after exploratory celiotomy and omentopexy in cattle

David E. Anderson From the Department of Clinical Sciences (D. Anderson, St.-Jean, Desrochers), the Department of Pathology and Microbiology (Cornwell), and the Department of Anatomy and Physiology (L. Anderson), College of Veterinary Medicine, Kansas State University, Manhattan, KS 66506-5606.

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Dean Cornwell From the Department of Clinical Sciences (D. Anderson, St.-Jean, Desrochers), the Department of Pathology and Microbiology (Cornwell), and the Department of Anatomy and Physiology (L. Anderson), College of Veterinary Medicine, Kansas State University, Manhattan, KS 66506-5606.

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Guy St.-Jean From the Department of Clinical Sciences (D. Anderson, St.-Jean, Desrochers), the Department of Pathology and Microbiology (Cornwell), and the Department of Anatomy and Physiology (L. Anderson), College of Veterinary Medicine, Kansas State University, Manhattan, KS 66506-5606.

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André Desrochers From the Department of Clinical Sciences (D. Anderson, St.-Jean, Desrochers), the Department of Pathology and Microbiology (Cornwell), and the Department of Anatomy and Physiology (L. Anderson), College of Veterinary Medicine, Kansas State University, Manhattan, KS 66506-5606.

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Lane S. Anderson From the Department of Clinical Sciences (D. Anderson, St.-Jean, Desrochers), the Department of Pathology and Microbiology (Cornwell), and the Department of Anatomy and Physiology (L. Anderson), College of Veterinary Medicine, Kansas State University, Manhattan, KS 66506-5606.

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Summary

The effect of right paralumbar fossa exploratory celiotomy and omentopexy on peritoneal fluid constituents was studied in 22 adult dairy cows. Six cows were eliminated on the basis of physical examination findings (n = 2), surgical findings (n = 2), or inability to obtain a sufficient volume of peritoneal fluid (n = 2). Sixteen cattle had normal results of cbc and serum biochemical analysis, and a minimum of 1 ml of peritoneal fluid was obtained by abdominocentesis. Abdominocentesis was repeated on days 1, 2, and 6 after surgery. Statistical analysis for repeated measures was performed, using a significance level of P < 0.05. Stage of gestation was evaluated for interaction with time.

Mean total nucleated cell count was 3,200 cells/μl before surgery, was significantly increased 2 days after surgery (16,336 cells/μl), and continued to increase through day 6 (20,542 cells/μl). Mean polymorphonuclear cell count was 1,312 cells/μl before surgery and was significantly higher at 2 (11,043 cells/μl) and 6 (10,619 cells/μl) days after surgery. Mean lymphocyte count was 254 cells/μl before surgery and was significantly increased 2 days (1,911 cells/μl) after surgery. By day 6, lymphocyte numbers were similar to preoperative values. Mean mononuclear cell count was 770 cells/μl before surgery and was significantly increased on days 1 (3,084 cells/μl), 2 (3,285 cells/μl), and 6 (2,349 cells/μl) after surgery. Mean eosinophil numbers were 1,388 cells/μl before surgery and were significantly increased on day 6 (6,347 cells/μl) only. Interaction between time and stage of gestation was found only for specific gravity and total protein concentration. In general, specific gravity and total protein concentration increased after surgery (mean before surgery, 1.016 and 3.6 g/dl; mean after surgery, 1.021 and 5.6 g/dl). Left paralumbar fossa celiotomy performed 7 days after surgery did not reveal complications of repeated abdominocentesis, and pregnancy status was unchanged.

Peritoneal fluid constituents are highly variable after exploratory celiotomy and omentopexy in cattle. However, results of this study may provide a reference for interpretation of postoperative peritoneal fluid sample findings in cattle.

Summary

The effect of right paralumbar fossa exploratory celiotomy and omentopexy on peritoneal fluid constituents was studied in 22 adult dairy cows. Six cows were eliminated on the basis of physical examination findings (n = 2), surgical findings (n = 2), or inability to obtain a sufficient volume of peritoneal fluid (n = 2). Sixteen cattle had normal results of cbc and serum biochemical analysis, and a minimum of 1 ml of peritoneal fluid was obtained by abdominocentesis. Abdominocentesis was repeated on days 1, 2, and 6 after surgery. Statistical analysis for repeated measures was performed, using a significance level of P < 0.05. Stage of gestation was evaluated for interaction with time.

Mean total nucleated cell count was 3,200 cells/μl before surgery, was significantly increased 2 days after surgery (16,336 cells/μl), and continued to increase through day 6 (20,542 cells/μl). Mean polymorphonuclear cell count was 1,312 cells/μl before surgery and was significantly higher at 2 (11,043 cells/μl) and 6 (10,619 cells/μl) days after surgery. Mean lymphocyte count was 254 cells/μl before surgery and was significantly increased 2 days (1,911 cells/μl) after surgery. By day 6, lymphocyte numbers were similar to preoperative values. Mean mononuclear cell count was 770 cells/μl before surgery and was significantly increased on days 1 (3,084 cells/μl), 2 (3,285 cells/μl), and 6 (2,349 cells/μl) after surgery. Mean eosinophil numbers were 1,388 cells/μl before surgery and were significantly increased on day 6 (6,347 cells/μl) only. Interaction between time and stage of gestation was found only for specific gravity and total protein concentration. In general, specific gravity and total protein concentration increased after surgery (mean before surgery, 1.016 and 3.6 g/dl; mean after surgery, 1.021 and 5.6 g/dl). Left paralumbar fossa celiotomy performed 7 days after surgery did not reveal complications of repeated abdominocentesis, and pregnancy status was unchanged.

Peritoneal fluid constituents are highly variable after exploratory celiotomy and omentopexy in cattle. However, results of this study may provide a reference for interpretation of postoperative peritoneal fluid sample findings in cattle.

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