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Published on: November 10, 2023
Lethal Pneumocystis jiroveci pneumonia 24 Years After Kidney Transplantation
Babak Rezavand1, Mohammad Javad Hosseini2, Morteza Izadi3
1Department of Parasitology, School of Medicine, Zanjan University of Medical Sciences, Zanjan, IR Iran.
Introduction:
Pneumocystis jiroveci is an opportunistic infectious fungus in immunosuppressed patients, particularly in ones with acquired immunodeficiency syndrome (AIDS). The use of immunosuppressive drugs especially corticosteroids predisposes the transplanted patients to a variety of infectious diseases including Pneumocystis infection. In many developed countries, the incidence of Pneumocystis jiroveci pneumonia (PJP) is dwindling in transplant patients receiving appropriate prophylaxis. In this study, definitive diagnosis of Pneumocystis infection in a patient receiving kidney transplant was presented.
Case Presentation:
The patient was a 45-year-old man with a history of kidney transplantation 24 years ago, admitted to a specialized hospital in Tehran because of fever and respiratory distress. Upon admission, the patient showed symptoms of unconsciousness and shortness of breath. Paraclinical tests and complementary examinations such as microscopic observation and molecular analysis confirmed the definitive diagnosis of Pneumocystis infection. Specific treatment with trimethoprim/sulfamethoxazole was carried out alongside other therapeutic measures; but unfortunately the patient did not respond to the specific treatment and died in the course of a progressive disease.
Discussion:
The disease progress in these patients can still be fast and deadly. Applying rapid molecular diagnostic techniques to start appropriate and timely treatment is essential. Utilization of such diagnostic methods is recommended in our country.
Insights
Pneumocystis pneumonia (PJP) can be fatal in kidney transplant recipients, even with treatment. Early molecular diagnosis is crucial for timely intervention in these immunocompromised patients.
Area of Science:
- Medical Mycology
- Infectious Diseases
- Transplant Medicine
Background:
- Pneumocystis jiroveci is an opportunistic fungus causing severe infections in immunocompromised individuals, especially transplant recipients.
- Immunosuppressive therapy, including corticosteroids, increases the risk of Pneumocystis infection.
- While prophylaxis has reduced Pneumocystis pneumonia (PJP) incidence in some regions, it remains a threat.
Observation:
- A 45-year-old kidney transplant recipient presented with fever, respiratory distress, and altered consciousness 24 years post-transplant.
- Microscopic and molecular analyses confirmed Pneumocystis infection.
- The patient received trimethoprim/sulfamethoxazole but showed no response to treatment.
Findings:
- Despite treatment, the patient's condition progressed, leading to a fatal outcome.
- This case highlights the potential for rapid and deadly progression of Pneumocystis infection in transplant patients.
- The limitations of standard treatment underscore the need for advanced diagnostic approaches.
Implications:
- Rapid molecular diagnostic techniques are essential for prompt initiation of effective treatment.
- Timely diagnosis and treatment are critical for improving outcomes in transplant patients with PJP.
- The case emphasizes the importance of utilizing advanced diagnostic methods, particularly in regions with limited resources.
Related Concept Videos
Kidney Transplant I: Introduction
Pneumonia I: Introduction
Risk Factors
Various factors influence the likelihood of developing pneumonia. Age plays a crucial role, with infants, children under two, and individuals over 65 at increased risk due to their...
Pneumonia I: Introduction
Kidney Transplant II: Surgical Procedure
Pneumonia II: Pathophysiology
Kidney Transplant III: Nursing Management

