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Comparative Study
. 2015 May-Jun;26(3):104-8.
doi: 10.5830/CVJA-2014-032.

Comparison of MMF with prednisone in terms of rejection and duration of activity of transplant in rabbits that underwent retroperitoneal heterotopic heart transplantation

Faith Aygün  1 , Duran Efe  2 , Kadir Durgut  3
Affiliations
Comparative Study

Comparison of MMF with prednisone in terms of rejection and duration of activity of transplant in rabbits that underwent retroperitoneal heterotopic heart transplantation

Faith Aygün et al. Cardiovasc J Afr. 2015 May-Jun.

Abstract

Aim: In this study, mycophenolate mofetil (MMF) and methylprednisolone (MP) were compared in terms of rejection and duration of activity of the transplant in New Zealand rabbits that underwent retroperitoneal heart transplantation.

Methods: Retroperitoneal heart transplantation was performed in New Zealand white rabbits. The animals were divided into two groups. MMF group (group 1) (10 donors, 10 recipients): 12.5 mg/kg MMF was administered orally for two days prior to the surgery; MP group (group 2) (nine donors, nine recipients): 2 mg/kg MP was administered intramuscularly for two days prior to the surgery. After the operation, we waited until all motor activity in the transplanted heart had stopped. The transplant was then removed and the recipient was sacrificed. A donor in the MP group was excluded since it died before the motor activity had stopped.

Results: No statistically significant difference was found between the groups in terms of rejection score (p = 0.865). However, duration of motor activity was found to be statistically significantly longer in the MMF group, compared to the MP group (p = 0.013).

Conclusion: In this experimental study, MMF was similar to MP in terms of rejection but had better efficacy in terms of duration of motor activity of the transplant.

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Figures

Figure 1.
Figure 1.
The heart was transplanted into the retroperitoneal area (arrow).
Figure 2.
Figure 2.
Focal or diffuse but sparse lymphocytic infiltration, grade 1.
Figure 3.
Figure 3.
A focus of aggressive lymphocytic infiltration, grade 2.
Figure 4.
Figure 4.
Multifocal aggressive lymphocytic infiltration, grade 3.
Figure 5.
Figure 5.
Diffuse aggressive polymorph infiltration, grade 4.
See this image and copyright information in PMC

References

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