Using DNA Testing to Identify Infections in Organ Transplant Patients
Author Information
Author(s): Jesal R. Shah, Muhammad Rizwan Sohail, Todd Lasco, John A. Goss, Mayar Al Mohajer, Sarwat Khalil
Primary Institution: Baylor College of Medicine
Hypothesis
Can metagenomic next-generation sequencing (mNGS) improve the diagnosis of infections in solid organ transplant recipients?
Conclusion
mNGS can positively impact clinical decisions in about 25% of solid organ transplant recipients by identifying microorganisms that traditional methods may miss.
Supporting Evidence
- 80% of mNGS test results were positive for microorganisms.
- 27% of cases had a positive clinical impact from mNGS.
- Most common clinical syndromes were pneumonia, fever of unknown origin, and intra-abdominal infections.
Takeaway
Doctors used a special DNA test to find germs in patients who got organ transplants. It helped them figure out infections in 1 out of 4 patients.
Methodology
The study reviewed mNGS tests performed on adult solid organ transplant recipients from March 2017 to February 2023, assessing clinical impact through standardized criteria.
Potential Biases
Clinical impact analysis relied on subjective reviews of physician notes, which may introduce bias.
Limitations
The study's retrospective design and small sample size limit the ability to detect significant differences in mNGS performance compared to conventional testing.
Participant Demographics
Median age was 59 years, with 72% male and 28% female participants.
Statistical Information
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website