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Related Experiment Video

Updated: Jul 3, 2025

A Practical and Novel Method to Extract Genomic DNA from Blood Collection Kits for Plasma Protein Preservation

A Practical and Novel Method to Extract Genomic DNA from Blood Collection Kits for Plasma Protein Preservation

Published on: May 18, 2013

Cell Free Microbial DNA Utilization at a Children's Hospital.

Randall Craver¹, Stephanie Collier², Margot Anderson³

¹Departments of Pathology and Pediatrics, Children's Hospital of New Orleans and LSUHSC, New Orleans, LA, USA.

Fetal and Pediatric Pathology

|February 12, 2024

Summary

This summary is machine-generated.

Cell-free microbial DNA (cfDNA) testing in children showed a 30.4-41.8% efficiency in guiding therapeutic decisions. This molecular diagnostic tool identified pathogens missed by conventional methods, aiding in clinical management.

Keywords:

Pediatrics cell-free microbial next generation sequencing test efficiency

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Area of Science:

Pediatric Infectious Diseases
Molecular Diagnostics
Microbial Genomics

Background:

Cell-free microbial DNA (cfDNA) analysis is an emerging diagnostic tool.
Its clinical utility in pediatric settings requires further investigation.

Purpose of the Study:

To evaluate the impact of cfDNA testing on therapeutic decisions in pediatric patients.
To determine the diagnostic yield and efficiency of cfDNA in a children's hospital.

Main Methods:

Retrospective analysis of 80 cfDNA tests performed on 59 children.
Assessment of cfDNA results for their contribution to clinical management and diagnosis.

Main Results:

cfDNA identified at least one microbial agent in 57% of tests (45/79).
Results were contributory to therapeutic decisions in 30% (24/79) and diagnostic in 19% (15/79).
cfDNA detected pathogens missed by conventional methods in 27.8% (22/79) of cases.

Conclusions:

The overall efficiency of cfDNA testing ranged from 30.4% to 41.8%.
cfDNA testing offers valuable diagnostic information, sometimes surpassing conventional techniques in pediatric care.