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ORIGINAL ARTICLE
Year : 2021  |  Volume : 9  |  Issue : 3  |  Page : 205-214

Effects of apixaban, rivaroxaban, dabigatran and enoxaparin on histopathology and laboratory parameters in Achilles tendon injury: An in vivo study


1 Department of Emergency Medicine, Medical Faculty, Usak University, Usak, Turkey
2 Department of Toxicology and Pharmacology, Faculty of Veterinary Medicine, Sivas Cumhuriyet University, Sivas, Turkey
3 Department of Geriatrics, Vocational School of Health Services, Ataturk University, Erzurum, Turkey
4 Department of Otorhinolaryngology, Medical Faculty, Amasya University, Amasya, Turkey

Correspondence Address:
Sema Avci
Department of Emergency Medicine, Medical Faculty, Usak University, 64100, Usak
Turkey
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DOI: 10.4103/sjmms.sjmms_90_21

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Objectives: To compare the effects of apixaban, rivaroxaban, dabigatran and enoxaparin on histopathology and blood parameters in rats with Achilles tendon injury. Materials and Methods: Thirty adult, male Wistar albino rats weighting 220–240 g were randomly divided into five (one control and four treatment) groups and placed in a controlled environment. The Achilles tendon was incised and re-sutured in each rat, after which each group was provided the following treatment for 28 days: a) 2 ml saline to the control group, b) apixaban in 1 ml of saline (10 mg/kg/day) +1 ml of saline, c) rivaroxaban in 1 ml of saline (2 mg/kg/day) +1 ml saline, d) dabigatran in 1 ml of saline (30 mg/kg/day) +1 ml of saline, e) enoxaparin (80 μg/kg/day) + 2 ml of saline. Results: Hemogram, biochemical and coagulation parameters differed significantly between the control and treatment groups (P < 0.05). Compared with the control group, in the apixaban group, type I and type III collagen immunoreactivity were severe and moderate, respectively. In the rivaroxaban and dabigatran groups, both type I and type III collagen immunoreactivity were medium and severe, respectively. In the enoxaparin group, type I and type III collagen immunoreactivity were mild and severe, respectively. Conclusion: The higher concentration of type I collagen in the apixaban and dabigatran indicates faster tendon healing in these groups, and the higher concentration of the type III collagen in the enoxaparin group indicates slower healing in this group.


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