[Diagnosis of meningococcal sepsis by real-time polymerase chain reaction]

Zitta B Harboe1, Michael F Howitz, Christina Nørgaard

  • 1Afdeling for Bakteriologi, Mykologi og Parasitologi, Statens Serum Institut, DK-2300 København S. zit@ssi.dk

Ugeskrift for Laeger
|October 1, 2008
PubMed

Insights

Meningococcal disease diagnosis in Denmark now includes real-time PCR. This report details the first sepsis case primarily identified using this advanced molecular diagnostic method.

Area of Science:

  • Microbiology
  • Infectious Diseases
  • Molecular Diagnostics

Background:

  • Meningococcal disease is a significant public health concern in Denmark, with approximately 100 cases reported annually.
  • Traditional diagnostic methods include culture and serological testing, which have been standard for decades.
  • Real-time PCR (polymerase chain reaction) was adopted as a diagnostic tool in 2005.

Observation:

  • This case represents the first instance of meningococcal sepsis in Denmark where real-time PCR yielded the primary positive microbiological result.
  • The introduction of real-time PCR has enhanced the diagnostic capabilities for meningococcal infections.

Findings:

  • Real-time PCR confirmed meningococcal sepsis as the primary microbiological finding.
  • This highlights the increasing role and effectiveness of molecular diagnostics in clinical microbiology.

Implications:

  • This case underscores the value of real-time PCR as a rapid and sensitive diagnostic tool for meningococcal disease.
  • The findings suggest a potential shift in diagnostic paradigms for bacterial meningitis and sepsis.
  • Early and accurate diagnosis through methods like real-time PCR can lead to timely treatment and improved patient outcomes.

Related Concept Videos

Real Time RT-PCR02:57

Real Time RT-PCR

Real-time reverse transcription-polymerase chain reaction, or Real-time RT-PCR, is an analytical tool used to determine the expression level of target genes. The method involves converting mRNA to complementary DNA with the help of an enzyme known as reverse transcriptase, followed by the PCR amplification of the cDNA. These two processes can be performed simultaneously in a single tube or separately as a two-step reaction.
The real-time quantification of the number of amplified products is...
Rapid Identification of Pathogens01:25

Rapid Identification of Pathogens

MALDI-TOF MS has transformed clinical microbiology by offering a rapid and reliable method for pathogen identification. The traditional approach to microbial identification typically involves time-consuming culture techniques and biochemical tests, which can delay the initiation of appropriate antimicrobial therapy. MALDI-TOF MS avoids these delays by using characteristic ribosomal protein mass patterns of microbial cells, enabling accurate species-level identification within minutes.Principle...
Viral Meningitis01:18

Viral Meningitis

Viral meningitis is the most common form of meningitis and is often referred to as aseptic meningitis to indicate the absence of bacterial involvement. It is generally milder than bacterial meningitis, with symptoms including fever, headache, stiff neck, drowsiness, nausea, photophobia, and vomiting. Rarely, more severe manifestations or death may occur. Common causative agents include enteroviruses, particularly coxsackie A and B viruses and echoviruses, all members of the Enterovirus genus...
Atypical Pneumonia01:14

Atypical Pneumonia

Atypical pneumonia, often caused by Mycoplasma pneumoniae, is a form of pulmonary infection that differs from the classical presentation of bacterial pneumonia in both its cause and clinical symptoms. Mycoplasma pneumoniae is a pleomorphic bacterium notable for its lack of a rigid cell wall. This structural characteristic imparts resistance to beta-lactam antibiotics and significantly influences the bacterium’s behavior within the human host.Other pathogens responsible for the disease include...
Rocky Mountain Spotted Fever01:26

Rocky Mountain Spotted Fever

Rocky Mountain Spotted Fever (RMSF) is a severe tick-borne illness caused by Rickettsia rickettsii, a Gram-negative, coccobacillary bacterium. This pathogen is an obligate intracellular parasite, requiring a host cell for replication. Transmission occurs through the bite of an infected tick. In the United States, the most important vectors are Dermacentor variabilis (American dog tick) and Dermacentor andersoni (Rocky Mountain wood tick), though other tick species may also serve as vectors.