Objective:

To evaluate the prevalence and clinical risk factors associated with CMV DNAemia in patients with anti-MDA5-positive DM and assess its impact on 6-month mortality.

Approach:

Key Findings:

• The prevalence of CMV DNAemia in patients with anti-MDA5-positive DM was assessed.
• Identified clinical risk factors for CMV infection included older age, lymphocytopenia, and high-dose glucocorticoids.
• CMV DNAemia significantly correlates with increased 6-month mortality rates.

Interpretation:

The presence of CMV DNA in patients with anti-MDA5-positive DM indicates a significant risk factor for mortality, necessitating vigilant monitoring and potential preemptive therapy to improve patient outcomes.

Limitations:

• The study's retrospective design may introduce selection bias and affect data accuracy.
• Limited generalizability due to the specific patient population from Southern China.

Conclusion:

Monitoring CMV DNAemia in anti-MDA5-positive DM patients is crucial for improving patient outcomes and reducing mortality risk.

Source

Based on findings from:

Cytomegalovirus DNA Presence in Southern Chinese Patients with Anti-Melanoma Differentiation-Associated Gene 5 Positive Dermatomyositis

Yuanyuan Niu, Huijuan Hu, Yuting Gu, Kai Sun, Qian Qiu, Di Fu, Haonan Chen, Liuqin Liang, Shanhui Ye, Youjun Xiao, Hanshi Xu. Bmc Infectious Diseases, 2026.

https://link.springer.com/article/10.1186/s12879-026-12762-4

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