Detecting Streptococcus suis in Meningitis Patients
Author Information
Author(s): Nga Tran Vu Thieu, Nghia Ho Dang Trung, Tu Le Thi Phuong, Diep To Song, Mai Nguyen Thi Hoang, Chau Tran Thi Hong, Sinh Dinh Xuan, Phu Nguyen Hoan, Nga Tran Thi Thu, Chau Nguyen Van Vinh, Campbell James, Hoa Ngo Thi, Chinh Nguyen Tran, Hien Tran Tinh, Farrar Jeremy, Schultsz Constance
Primary Institution: Oxford University Clinical Research Unit, Hospital for Tropical Diseases, Ho Chi Minh City, Vietnam
Hypothesis
Can real-time PCR effectively detect Streptococcus suis serotype 2 in cerebrospinal fluid samples from patients with meningitis?
Conclusion
The study found that real-time PCR is highly effective in detecting S. suis serotype 2 in patients with bacterial meningitis, especially those who had received antibiotics prior to admission.
Supporting Evidence
- S. suis serotype 2 was detected in 101 of 238 CSF samples, indicating a high prevalence.
- The PCR method showed 100% sensitivity and specificity for detecting S. suis serotype 2.
- Patients who had received antibiotics before admission had a higher rate of culture-negative results.
- The study highlights the importance of PCR in diagnosing bacterial meningitis caused by S. suis.
Takeaway
Doctors can use a special test to find a germ called S. suis in the fluid around the brain of sick people, which helps them know what's making them sick.
Methodology
The study used real-time PCR to analyze cerebrospinal fluid samples from patients suspected of having bacterial meningitis.
Potential Biases
Potential bias due to the retrospective nature of some sample collections and the use of antibiotics before sample collection.
Limitations
The study was limited to a specific geographic area and may not be generalizable to other regions.
Participant Demographics
The study included 248 adult patients, with a median age of 46.5 years, predominantly male (73%).
Statistical Information
P-Value
p<0.001
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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