The Evaluation of a Rapid Syndromic Multiplex Meningitis/Encephalitis RT-qPCR MX-17 Panel
Abstract
1. Introduction
2. Materials and Methods
2.1. Selection of Participants
2.2. Cerebrospinal Fluid Culture
2.3. Biochemical Analysis
2.4. Bio-Speedy Meningitis/Encephalitis RT-qPCR MX-17 Panel
2.5. Analysis
3. Results
Bio-Speedy® ME RT-qPCR | CSF Culture | Blood Culture | Notes | |
---|---|---|---|---|
Viral pathogens | Total: 28 | - | - | Coinfected patients |
Herpes simplex virus 1 | 5 | N/A | N/A | |
Human Herpesvirus 6 | 11 | N/A | N/A | 1 patient coinfected with Enterovirus |
Human Herpesvirus 8 | 1 | N/A | N/A | |
Varicella Zoster virus | 3 | N/A | N/A | |
Enterovirus | 7 | N/A | N/A | 1 patient coinfected with HHV-6 |
Cytomegalovirus | 1 | N/A | N/A | |
Bacterial pathogens | Total: 14 | Total: 5 | Total: 4 | Coinfected patients |
Listeria monocytogenes | 3 | 1 | 2 | |
Streptococcus pneumoniae | 5 | 3 | 1 | 1 patient coinfected with H. influenzae |
Neisseria meningitidis | 1 | 0 | 0 | |
Streptococcus agalactiae | 2 | 0 | 0 | |
Hemophilus influenzae | 1 | 0 | 0 | Only detected in 1 coinfection with S. pneumoniae |
Escherichia coli K1 | 2 | 1 | 1 |
Viral | Bacterial | Aseptic Meningitis | p Value | |
---|---|---|---|---|
Multiplex PCR analysis of 72 patients | ||||
Patients (n) | 28 | 14 | 30 | |
Age, median (IQR*) | 19 (0–81) | 4 (0–74) | 10 (0–72) | |
Gender (%) | 0.79 | |||
● Female | 41.4 | 6 (46.2) | 6 (20) | |
● Male | 58.6 | 7 (53.8) | 24 (80) | 0.200 |
Laboratory Findings: | ||||
CSF WBC | ||||
● ≤5n | 11 | 1 | 0 | |
● >5n | 17 | 12 | 30 | |
Mean | 424.8 ± 889.4 | 1903.6 ± 3960 | 1259.6 ± 4618.2 | 0.101 |
Median (IQR*) | 66 (1–4221) | 315 (4–14,963) | 30.5 (9–25,085) | |
CSF glucose level | 0.189 | |||
● <50 mg/dL | 9 | 8 | 8 | |
● 50–75 mg/dL | 13 | 2 | 13 | |
● >75 mg/dL | 6 | 3 | 9 | |
Mean | 66.8 ± 29.3 | 42.8 ± 43.7 | 61.7 ± 30.1 | |
Median (IQR*) | 56.8 (33.9–165) | 29.9 (0.083–157) | 62.8 (0.123–140) | |
CSF protein level | 69 ± 50 | 228.3 ± 224.6 | 162.6 ± 300 | 0.282 |
Median (IQR*) | 55.5 (14.2–200) | 143.9 (35.2–531) | 59.5 (16.8–887.3) | |
CRP level | 46.2 ± 77.5 | 137.2 ± 136 | 35.8 ± 70.9 | 0.391 |
Median (IQR*) | 15.2 (0.142–329.5) | 85 (6.18–41.3) | 12.45 (0.20–83.8) | |
Clinical Features: | ||||
Fever (Mean ± SD (°C)) | 37.22 ± 0.9 | 37.6 ± 1.3 | 37.3 ± 0.8 | 0.95 |
Impaired consciousness n (%) | 9 (32.14) | 10 (76.9) | 21 (70) | 0.004 |
Neck stiffness n (%) | 6 (21.43) | 4 (30.8) | 2 (6.6) | 0.113 |
Headache n (%) | 11 (39.3) | 1 (7.1) | 4 (13.3) | 0.017 |
Outcomes: | ||||
Prolonged stay in the hospital (>7 days) n (%) | 13 (46.4) | 6 (46) | 6(20) | 0.067 |
Among prolonged stays: | ||||
Patients age n (%) | ||||
● <1 year | 4 (30.8) | 2 (33.3) | - | |
● 1–17 year | 4 (30.8) | 2 (33.3) | 4 (66.6) | |
● 18–64 year | 3 (23) | - | 2 (33.3) | |
● 65 or older | 2 (15.4) | 2 (33.3) | - | |
Underlying condition other than ME** n (%) | 8 (28.5) | 2 (14.2) | 1 (3.3) | |
30-day survival n (%) | 26 (92.8) | 12 (85.7) | 28 (93.3) | 0.594 |
Method | Positive Cases, n (%) | Viral, n (%) | Bacterial, n (%) |
---|---|---|---|
Bio-Speedy PCR (n = 72) | 41 (56.9) | 28 (38.9) | 14 (19.4) |
CSF culture (n = 66) | 5 (7.5) | - | 6 (9.1) |
Blood culture (n = 72) | 4 (5.5) | - | 4 (5.5) |
4. Discussion
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Mahroum, N.; Yashar, M.; Ugur, F.N.; Oz, N.Z.; Ulfer, G.; Tosun, A.I.; Yilmaz, M. The Evaluation of a Rapid Syndromic Multiplex Meningitis/Encephalitis RT-qPCR MX-17 Panel. Diagnostics 2025, 15, 2629. https://doi.org/10.3390/diagnostics15202629
Mahroum N, Yashar M, Ugur FN, Oz NZ, Ulfer G, Tosun AI, Yilmaz M. The Evaluation of a Rapid Syndromic Multiplex Meningitis/Encephalitis RT-qPCR MX-17 Panel. Diagnostics. 2025; 15(20):2629. https://doi.org/10.3390/diagnostics15202629
Chicago/Turabian StyleMahroum, Naim, Meltem Yashar, Feyza Nihal Ugur, Nefise Zulal Oz, Gozde Ulfer, Ayse Istanbullu Tosun, and Mesut Yilmaz. 2025. "The Evaluation of a Rapid Syndromic Multiplex Meningitis/Encephalitis RT-qPCR MX-17 Panel" Diagnostics 15, no. 20: 2629. https://doi.org/10.3390/diagnostics15202629
APA StyleMahroum, N., Yashar, M., Ugur, F. N., Oz, N. Z., Ulfer, G., Tosun, A. I., & Yilmaz, M. (2025). The Evaluation of a Rapid Syndromic Multiplex Meningitis/Encephalitis RT-qPCR MX-17 Panel. Diagnostics, 15(20), 2629. https://doi.org/10.3390/diagnostics15202629