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American Heart Association

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Final ID: MDP1392

From Heartache to Headache: Cryptococcal Meningitis Post-Heart Transplant in a Chronic Hepatitis B and Sarcoidosis Patient

Abstract Body (Do not enter title and authors here): Introduction: We report the case of a heart transplant patient on chronic immunosuppression diagnosed with cryptococcal meningitis. Up to 5% of solid organ transplant patients develop cryptococcosis, carrying a 50% mortality rate in central nervous system involvement.

Case Presentation: This is a 57-year-old male with a past medical history of heart failure with reduced ejection fraction (HFrEF) status post orthotopic heart transplantation (on prednisone 7.5 mg daily, mycophenolate, tacrolimus and sirolimus), pulmonary sarcoid, and chronic hepatitis B (on tenofovir and entecavir) who presented with headache, nausea, vomiting and seizure-like activity. The patient’s heart rate was 129 beats per minute, blood pressure 188/92 mmHg, but was afebrile. He eventually underwent a lumbar puncture with the cerebrospinal fluid (CSF) positive for cryptococcal antigen (1:2560). The patient was started on liposomal amphotericin B and flucytosine. Mycophenolate and sirolimus were held in the setting of his infection. The patient’s hospital course was complicated by acute kidney injury likely secondary to elevated tacrolimus levels while on fluconazole. He was ultimately discharged with plans to repeat CSF studies as an outpatient.

Discussion: Here we report a case of cryptococcal meningitis in a heart transplant patient in the context of pulmonary sarcoidosis, chronic hepatitis B and quadruple immunosuppression. Of note, as part of rejection surveillance, the patient undertook serial AlloSure and AlloMap testing. Sirolimus was added to his regimen due to persistently elevated AlloSure scores. Indeed, immunosuppressive agents are the leading risk factor for cryptococcosis in organ transplant patients. Our patient also has two important risk factors for cryptococcal infection. Firstly, sarcoidosis is associated with T-cell dysregulation, compromising cell-mediated immunity. Additionally, hepatitis B carriers have an increased predisposition for cryptococcal infections, notwithstanding that our patient had been on dual antiviral therapy.

Conclusion: Quadruple immunosuppression in heart transplant patients, especially in the context of risk factors such as sarcoidosis and hepatitis B infection, can result in cryptococcal meningitis and should be considered in patients with suggestive symptoms. Effective prophylactic regimens for such higher risk patients may be a potential area for further investigation.
  • Kingma, Tyler  ( University of Connecticut , West Hartford , Connecticut , United States )
  • Singh, Kerry  ( University of Connecticut , West Hartford , Connecticut , United States )
  • Feingold, Andrew  ( Hartford HealthCare , Hartford , Connecticut , United States )
  • Scatola, Andrew  ( Hartford HealthCare , Hartford , Connecticut , United States )
  • Author Disclosures:
    Tyler Kingma: DO NOT have relevant financial relationships | Kerry Singh: No Answer | Andrew Feingold: No Answer | Andrew Scatola: DO have relevant financial relationships ; Speaker:Boehringer Ingelheim:Active (exists now)
Meeting Info:

Scientific Sessions 2024

2024

Chicago, Illinois

Session Info:

Burning Questions: Clinical Scenarios for Inflammatory Cardiomyopathies

Monday, 11/18/2024 , 11:10AM - 12:35PM

Moderated Digital Poster Session

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