Viral meningitis in Sudanese children: differentiation, etiology and review of literature

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Abdelrahim, Nada AbdelghaniDepartment of Pathology-Medical Microbiology, Faculty of Medicine, University of Medical Sciences and Technology, Khartoum, Sudan (författare)

Viral meningitis in Sudanese children : differentiation, etiology and review of literature

Artikel/kapitelEngelska2022

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Lippincott Williams & Wilkins,2022
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LIBRIS-ID:oai:DiVA.org:umu-201413
https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-201413URI
https://doi.org/10.1097/MD.0000000000031588DOI

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Diagnosis of viral meningitis (VM) is uncommon practice in Sudan and there is no local viral etiological map. We therefore intended to differentiate VM using standardized clinical codes and determine the involvement of herpes simplex virus types-1 and 2 (HSV-1/2), varicella zoster virus, non-polio human enteroviruses (HEVs), and human parechoviruses in meningeal infections in children in Sudan. This is a cross-sectional hospital-based study. Viral meningitis was differentiated in 503 suspected febrile attendee of Omdurman Hospital for Children following the criteria listed in the Clinical Case Definition for Aseptic/Viral Meningitis. Patients were children age 0 to 15 years. Viral nucleic acids (DNA/RNA) were extracted from cerebrospinal fluid (CSF) specimens using QIAamp® UltraSens Virus Technology. Complementary DNA was prepared from viral RNA using GoScriptTM Reverse Transcription System. Viral nucleic acids were amplified and detected using quantitative TaqMan® Real-Time and conventional polymerase chain reactions (PCRs). Hospital diagnosis of VM was assigned to 0%, when clinical codes were applied; we considered 3.2% as having VM among the total study population and as 40% among those with proven infectious meningitis. Two (0.4%) out of total 503 CSF specimens were positive for HSV-1; Ct values were 37.05 and 39.10 and virus copies were 652/PCR run (261 × 103/mL CSF) and 123/PCR run (49.3 × 103/mL CSF), respectively. Other 2 (0.4%) CSF specimens were positive for non-polio HEVs; Ct values were 37.70 and 38.30, and the approximate virus copies were 5E2/PCR run (~2E5/mL CSF) and 2E2/PCR run (~8E4/mL CSF), respectively. No genetic materials were detected for HSV-2, varicella zoster virus, and human parechoviruses. The diagnosis of VM was never assigned by the hospital despite fulfilling the clinical case definition. Virus detection rate was 10% among cases with proven infectious meningitis. Detected viruses were HSV-1 and non-polio HEVs. Positive virus PCRs in CSFs with normal cellular counts were seen.

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Mohamed, NahlaUmeå universitet,Institutionen för klinisk mikrobiologi(Swepub:umu)namo0017 (författare)
Evander, MagnusUmeå universitet,Institutionen för klinisk mikrobiologi(Swepub:umu)maev0001 (författare)
Ahlm, Clas,1956-Umeå universitet,Institutionen för klinisk mikrobiologi(Swepub:umu)clah0001 (författare)
Fadl-Elmula, Imad MohammedDepartment of Pathology & Clinical Genetics, Al-Neelain University & Assafa Academy, Khartoum, Sudan (författare)
Department of Pathology-Medical Microbiology, Faculty of Medicine, University of Medical Sciences and Technology, Khartoum, SudanInstitutionen för klinisk mikrobiologi (creator_code:org_t)

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Ingår i:Medicine: Lippincott Williams & Wilkins101:460025-79741536-5964

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