Equine postanaesthetic myositis: thromboxanes, prostacyclin and prostaglandin E2 production.
Abstract: Arachidonic acid cyclooxygenase metabolites, thromboxane B2 (TXB2), prostaglandin E2 (PGE2) and 6-keto-prostaglandin F1 (6-keto-PGF1) were measured in horses where anaesthesia was maintained with halothane. Two horses suffering from postanaesthetic myositis were compared with four normal horses. TXB2 and PGE2 levels were higher in mixed venous blood drawn from the myopathic horses. An increase of TXB2 and PGE2 levels appeared when myopathic horses were rolled into dorsal recumbency after a prolonged period of lateral recumbency. One hour after the end of anaesthesia, TXB2 had continued to increase whereas PGE2 decreased. By measurements on blood samples drawn from the brachial vein, we have shown that the rising level of TXB2 in mixed venous blood is mainly due to the increase of TXB2 in blood draining the dependent leg. The origin of the rise in PGE2 is not demonstrated in this study. 6-keto-PGF1 did not change during anaesthesia. An explanation of this imbalance between TXB2 and 6-keto-PGF1 production is considered.
Publication Date: 1988-01-01 PubMed ID: 3188388DOI: 10.1007/BF00362803Google Scholar: Lookup
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- Comparative Study
- Journal Article
- Research Support
- Non-U.S. Gov't
Summary
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This research investigates the correlation between the production levels of certain arachidonic acid cyclooxygenase metabolites and postanaesthetic myositis in horses. Notably, it shows an increase in thromboxane B2 (TXB2) and prostaglandin E2 (PGE2) in myopathic horses after anaesthesia, but no significant change in 6-keto-prostaglandin F1 (6-keto-PGF1).
Investigation of Arachidonic Acid Cyclooxygenase Metabolites
- Reseachers measured the levels of cyclooxygenase metabolites: thromboxane B2 (TXB2), prostaglandin E2 (PGE2), and 6-keto-prostaglandin F1 (6-keto-PGF1) in horses that underwent anaesthesia with halothane.
- Two groups of horses were compared in the study: one group of two horses suffering from postanaesthetic myositis and a control group of four healthy horses.
- These metabolites were investigated due to their potential role in the inflammatory response following anaesthetic application.
Results Based on Animal Posture and Metabolite Levels
- TXB2 and PGE2 levels were found to be higher in the blood of the horses suffering from postanaesthetic myositis compared to the healthy ones.
- The researchers also noted a significant increase in TXB2 and PGE2 levels when these myopathic horses were moved from a lateral recumbent position (lying on their side) to a dorsal recumbent position (lying on their back).
- In addition, TXB2 levels continued to increase after the anaesthesia ended, while PGE2 level decreased.
- The researchers claimed that the increase of TXB2 level in mixed venous blood was mainly due to the rise of TXB2 in the blood from the dependent leg, observed from brachial vein blood samples.
6-keto-PGF1 Metabolite and Areas not Addressed
- Despite changes in TXB2 and PGE2, the study found no significant alterations in 6-keto-PGF1 levels during anaesthesia, indicating a potential imbalance between the production of TXB2 and 6-keto-PGF1.
- The study did not provide a clear explanation for the rising PGE2 levels, suggesting a need for further exploration in future research.
Cite This Article
APA
Serteyn D, Deby-Dupont G, Pincemail J, Mottart E, Philippart C, Lamy M.
(1988).
Equine postanaesthetic myositis: thromboxanes, prostacyclin and prostaglandin E2 production.
Vet Res Commun, 12(2-3), 219-226.
https://doi.org/10.1007/BF00362803 Publication
Researcher Affiliations
- Service de Chirurgie, Faculté de Médecine Vétérinaire Ulg, Bruxelles.
MeSH Terms
- 6-Ketoprostaglandin F1 alpha / biosynthesis
- 6-Ketoprostaglandin F1 alpha / blood
- Anesthesia, General / adverse effects
- Anesthesia, General / veterinary
- Animals
- Dinoprostone / biosynthesis
- Dinoprostone / blood
- Halothane
- Horse Diseases / blood
- Horse Diseases / etiology
- Horses
- Myositis / blood
- Myositis / etiology
- Myositis / veterinary
- Prostaglandins / biosynthesis
- Prostaglandins / blood
- Thromboxane B2 / biosynthesis
- Thromboxane B2 / blood
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Citations
This article has been cited 5 times.- Sanchez C, Horcajada MN, Membrez Scalfo F, Ameye L, Offord E, Henrotin Y. Carnosol Inhibits Pro-Inflammatory and Catabolic Mediators of Cartilage Breakdown in Human Osteoarthritic Chondrocytes and Mediates Cross-Talk between Subchondral Bone Osteoblasts and Chondrocytes. PLoS One 2015;10(8):e0136118.
- Mathy-Hartert M, Jacquemond-Collet I, Priem F, Sanchez C, Lambert C, Henrotin Y. Curcumin inhibits pro-inflammatory mediators and metalloproteinase-3 production by chondrocytes. Inflamm Res 2009 Dec;58(12):899-908.
- Henrotin YE, Labasse AH, Jaspar JM, De Groote DD, Zheng SX, Guillou GB, Reginster JY. Effects of three avocado/soybean unsaponifiable mixtures on metalloproteinases, cytokines and prostaglandin E2 production by human articular chondrocytes. Clin Rheumatol 1998;17(1):31-9.
- Bassleer C, Henrotin Y, Franchimont P. Effects of sodium naproxen on differentiated human chondrocytes cultivated in clusters. Clin Rheumatol 1992 Mar;11(1):60-5.
- Herfs M, Herman L, Hubert P, Minner F, Arafa M, Roncarati P, Henrotin Y, Boniver J, Delvenne P. High expression of PGE2 enzymatic pathways in cervical (pre)neoplastic lesions and functional consequences for antigen-presenting cells. Cancer Immunol Immunother 2009 Apr;58(4):603-14.
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