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Laboratory Diagnosis of Primary Amoebic Meningoencephalitis

Juan U Rojo1, Rajkumar Rajendran1, Jose H Salazar1

  • 1Department of Clinical Laboratory Sciences, School of Health Professions, University of Texas Medical Branch, Galveston, Texas, US.

Laboratory Medicine
|January 13, 2023
PubMed

Insights

Primary amebic meningoencephalitis (PAM), a rare but nearly always fatal infection caused by Naegleria fowleri, is often underdiagnosed. Improved diagnostic methods are crucial for earlier detection and better patient outcomes.

Area of Science:

  • Infectious Diseases
  • Neuroscience
  • Public Health

Background:

  • Primary amebic meningoencephalitis (PAM) is a devastating neurological disease caused by the amoeba Naegleria fowleri.
  • Infection typically results from inhaling contaminated warm freshwater, leading to rapid brain invasion and fatality within days.

Approach:

  • This review examines current diagnostic techniques for PAM.
  • It highlights challenges in early detection, including underdiagnosis and limited testing availability.
  • Recommendations for enhancing diagnostic practices and public awareness are proposed.

Key Points:

  • Naegleria fowleri causes PAM, a rare but almost universally fatal infection.
  • The disease is often underreported and misdiagnosed, contributing to poor prognosis.
  • Accessible and timely diagnostic testing is critically needed.

Conclusions:

  • Current diagnostic approaches for PAM require improvement to address underdiagnosis and facilitate earlier intervention.
  • Increased awareness and expanded testing capabilities are essential for combating this rare but deadly infection.
Keywords:
Naegleria fowleriPAMamebic meningoencephalitisdiagnosisfree-living amoebasprimary amebic meningoencephalitis

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