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Causal Associations between Posttraumatic Stress Disorder and COVID-19
Ancha Baranova1,2, Li Fu3, Yuqing Song4,5
1School of Systems Biology, George Mason University, Manassas, VA 20110, USA.
Journal of Integrative Neuroscience
|April 29, 2024
Summary
Posttraumatic stress disorder (PTSD) increases the risk of SARS-CoV-2 infection and COVID-19 hospitalization. However, COVID-19 does not appear to increase the risk of PTSD, suggesting a one-way genetic link.
Area of Science:
- Genetics
- Psychiatry
- Infectious Diseases
Background:
- Posttraumatic stress disorder (PTSD) is a mental health condition that can develop after a traumatic event.
- The COVID-19 pandemic has presented unique challenges, and its relationship with pre-existing mental health conditions requires further investigation.
Purpose of the Study:
- To evaluate the bidirectional genetic relationships between posttraumatic stress disorder (PTSD) and COVID-19.
- To investigate potential causal associations between PTSD and COVID-19 outcomes, including SARS-CoV-2 infection and hospitalization.
Main Methods:
- Mendelian randomization (MR) analyses were employed to assess causal associations.
- Genome-wide association study (GWAS) summary datasets for PTSD, SARS-CoV-2 infection, and COVID-19 hospitalization were utilized.
- A literature-based analysis explored molecular pathways connecting PTSD and COVID-19.
Main Results:
- PTSD was found to causally increase the risk of SARS-CoV-2 infection (OR: 1.10) and COVID-19 hospitalization (OR: 1.34).
- No significant association was observed between SARS-CoV-2 infection or COVID-19 hospitalization and the risk of PTSD.
- Pathway analysis identified several immunity-related genes potentially linking PTSD and COVID-19.
Conclusions:
- The study suggests that PTSD is associated with increased susceptibility and severity of COVID-19.
- Early diagnosis and effective management of PTSD in COVID-19 patients may improve clinical outcomes.
- Understanding the genetic links between PTSD and COVID-19 can inform public health strategies.
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