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Published on: April 5, 2017
Tuberculosis in renal transplant recipients: rifampicin sparing treatment protocol
Tushar J Vachharajani1, Umesh G Oza, Ajit G Phadke
1Department of Transplantation, Bombay Hospital Institute of Medical Sciences, Mumbai, India. Tushar.Vachharajani@med.va.gov
Abstract:
The reactivation of mycobacterium infection in renal transplant recipients in developing countries is a common therapeutic dilemma, especially in those patients receiving cyclosporin immunosuppression. The inclusion of rifampicin in the antituberculosis protocol increases the risk of precipitating acute allograft rejection due to its interaction with cyclosporin and also increases the financial burden. We successfully treated 16 patients who developed mycobacterial infection post renal transplant with a rifampicin sparing antituberculosis drug regimen. Pyrexia of unknown origin was the most common manifestation observed and a therapeutic trial with antituberculosis drugs is justified. De novo diabetes mellitus appears to be an added risk factor and increases the susceptibility to mycobacterial infection.
Insights
Mycobacterial infections in renal transplant patients can be treated without rifampicin, avoiding dangerous drug interactions and high costs. This approach successfully managed 16 patients, highlighting a viable alternative for immunosuppressed individuals.
Area of Science:
- Nephrology
- Infectious Diseases
- Immunology
Background:
- Mycobacterial infections pose a significant challenge in renal transplant recipients, particularly those on cyclosporin immunosuppression.
- Rifampicin inclusion in tuberculosis treatment risks allograft rejection and increases costs due to drug interactions with cyclosporin.
Purpose of the Study:
- To evaluate the efficacy of a rifampicin-sparing antituberculosis regimen in renal transplant recipients.
- To identify risk factors associated with mycobacterial infections post-renal transplantation.
Main Methods:
- Retrospective analysis of 16 renal transplant recipients with mycobacterial infections.
- Treatment with a modified antituberculosis drug regimen excluding rifampicin.
Main Results:
- Successful treatment outcomes in all 16 patients using a rifampicin-sparing regimen.
- Pyrexia of unknown origin was the most frequent clinical presentation.
- De novo diabetes mellitus identified as a potential risk factor for increased susceptibility.
Conclusions:
- A rifampicin-sparing antituberculosis regimen is effective and safe for renal transplant recipients.
- Therapeutic trials for tuberculosis are warranted in cases of pyrexia of unknown origin in this population.
- Diabetes mellitus may increase the risk of mycobacterial infections in transplant patients.
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