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Query: UMLS:C0020672 (hypothermia)
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Primary amoebic meningoencephalitis (PAM) is a rare and almost always fatal disease that is caused by Naegleria fowleri, a freshwater thermophilic amoeba. Our case involves an adolescent female who presented with fever of unknown origin. A lumbar puncture was performed, and the Wright-Giemsa and Gram stained cerebrospinal fluid (CSF) cytospin slides showed numerous organisms. Experienced medical technologists in the microbiology and hematology laboratories identified the organisms as morphologically consistent with Naegleria species. The laboratory made a rapid diagnosis and alerted emergency department care providers within 75 minutes. The patient was treated for PAM with amphotericin, rifampin, azithromycin, fluconazole and aggressive supportive therapy including dexamethasone. The Centers for Disease Control and Prevention (CDC) was contacted, and miltefosine, an investigational medication, was started. Additional treatment included an intraventricular shunt and controlled hypothermia in order to mitigate potential cerebral edema. Our patient is a rare success story, as she was diagnosed swiftly, successfully treated, and survived PAM.
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PMID:Naegleria fowleri That Induces Primary Amoebic Meningoencephalitis: Rapid Diagnosis and Rare Case of Survival in a 12-Year-Old Caucasian Girl. 2698 30

Primary amoebic meningoencephalitis (PAM) is a very rare disease with a high mortality rate. PAM is caused by Naegleria fowleri, an amoeba which resides in freshwater lakes and ponds and can survive in inadequately chlorinated pools ( Lopez, C.; Budge, P.; Chen, J., et al. Primary amebic meningoencephalitis: a case report and literature review . Pediatr. Emerg. Care 2012 , 28 , 272 - 276 ). In the past 50 years, there have been over 130 cases of Naegleria induced PAM in the United States with only three known survivors; one survivor was diagnosed and treated at Arkansas Children's Hospital. Successful treatment of PAM started with a rapid diagnosis, extensive antimicrobial therapy including an investigational medication miltefosine, supportive care, an intraventricular shunt, and hypothermia. These treatments address different aspects of the disease process. Increased understanding of the diagnosis and treatment of PAM is important especially for patients who present with meningitis-like findings during the summer months.
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PMID:Naegleria fowleri: Diagnosis, Pathophysiology of Brain Inflammation, and Antimicrobial Treatments. 2752 48