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Published on: April 13, 2021
Incidence and risk factors for pulmonary mycosis in kidney transplantation
1Organ Transplant Center, First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China.
Introduction:
Pulmonary mycosis, a severe complication following kidney transplantation, is associated with a high rate of mortality. The incidence of and independent risk factors for its development have not been well studied.
Methods:
We retrospectively reviewed 2573 kidney transplant recipients. Patients were divided into case and control groups based on a diagnosis of pulmonary mycosis. The recipient baseline characteristics, posttransplant complications, immunosuppressive regimens and antibiotic usages were analyzed to identify independent risk factors.
Results:
The total incidence of pulmonary mycosis among kidney recipients was 2.1%. Upon univariate analysis, patients in the case group differed significantly from the controls based upon: older age, higher retransplantation rate, longer dialysis time, induction with ATG or anti-CD25 monoclonal antibodies, maintenance treatment with FK506 or MMF, broad-spectrum antibiotics, higher incidences of acute rejection episodes, DGF, impaired liver function, leukopenia, cytomegalovirus infection, and delayed incisional healing (P < .05). Multivariate analysis showed that older age, retransplantation, ATG induction, FK506/MMF, broad-spectrum antibiotics, leukopenia, and delayed incisional healing were independent risk factors for pulmonary mycosis.
Conclusions:
The use of more potent immunosuppressive regimens seems to increase the rate of pulmonary mycosis. Patients who have five or more independent risk factors are at high risk for developing pulmonary mycosis.
Insights
Pulmonary mycosis is a serious risk after kidney transplants. Potent immunosuppression and factors like older age, retransplantation, and leukopenia increase this risk, especially with multiple risk factors present.
Area of Science:
- Nephrology
- Transplantation Immunology
- Infectious Diseases
Background:
- Pulmonary mycosis is a severe complication post-kidney transplant, linked to high mortality.
- The incidence and risk factors for post-transplant pulmonary mycosis require further investigation.
Purpose of the Study:
- To identify independent risk factors for pulmonary mycosis in kidney transplant recipients.
- To analyze the association between immunosuppressive regimens and pulmonary mycosis development.
Main Methods:
- Retrospective review of 2573 kidney transplant recipients.
- Comparison of patients with and without pulmonary mycosis.
- Analysis of baseline characteristics, complications, immunosuppression, and antibiotic use.
Main Results:
- Pulmonary mycosis incidence was 2.1% in kidney recipients.
- Independent risk factors identified include older age, retransplantation, ATG induction, FK506/MMF use, broad-spectrum antibiotics, leukopenia, and delayed incisional healing.
- Potent immunosuppressive regimens were associated with increased pulmonary mycosis rates.
Conclusions:
- Stronger immunosuppressive strategies may elevate pulmonary mycosis risk.
- Patients with five or more identified risk factors face a significantly higher risk of developing pulmonary mycosis.
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