Utilizing CRP and D-dimer Levels for Assessing Cerebral Infarction Risk in Pediatric Patients with Mycoplasma pneumoniae Pneumonia: A Retrospective Analysis - Report - MDSpire

Utilizing CRP and D-dimer Levels for Assessing Cerebral Infarction Risk in Pediatric Patients with Mycoplasma pneumoniae Pneumonia: A Retrospective Analysis

  • By

  • Huan Deng

  • Tian Lv

  • Feng Liu

  • Deyu Zhao

  • Xia Huang

  • Dezhi Qiu

  • April 20, 2026

  • 0 min

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Clinical Report: Utilizing CRP and D-dimer Levels for Assessing CI Risk in Pediatrics

Overview

Expand on the implications of the findings in the context of current pediatric care practices.

Background

Cerebral infarction is a rare yet serious complication of Mycoplasma pneumoniae pneumonia in children, with potential long-term consequences. Understanding the clinical characteristics and risk factors associated with CI is crucial for early diagnosis and intervention. This study contributes to the limited literature on the relationship between inflammatory and coagulation markers and the risk of CI in pediatric patients with MPP.

Data Highlights

VariableOdds Ratio (OR)p-value
CRP1.080.003
D-dimer1.000260.007

Key Findings

  • Among 2,947 children with MPP, 9 (0.3%) developed CI.
  • Higher CRP levels were significantly associated with CI (OR = 1.08, p = 0.003).
  • Higher D-dimer levels were significantly associated with CI (OR = 1.00026, p = 0.007).
  • The combination of CRP and D-dimer demonstrated good discriminatory performance for CI (AUC = 0.920, p < 0.001).
  • Thrombosis is a rare but serious extrapulmonary complication of MPP.

Clinical Implications

Clinicians should consider monitoring CRP and D-dimer levels in pediatric patients with MPP to identify those at increased risk for cerebral infarction. Early recognition and intervention may improve outcomes for affected children.

Conclusion

The study underscores the importance of CRP and D-dimer as potential biomarkers for assessing the risk of cerebral infarction in children with Mycoplasma pneumoniae pneumonia. Further research is needed to validate these findings in larger cohorts.

References

  1. The Journal of Infectious Diseases, 2023 -- Nasal Mucosal Cytokines as Potential Biomarkers for Assessing Disease Severity and Class of Pathogen in Children With Community-Acquired Pneumonia
  2. The Journal of Infectious Diseases, 2023 -- Brain Imaging and Whole Blood Targeted Transcriptomic Analyses to Characterize Cerebral Infarctions in Children With Tuberculous Meningitis
  3. Open Forum Infectious Diseases, 2023 -- C-Reactive Protein for Pulmonary Tuberculosis Screening and Treatment Response Monitoring in Children
  4. The Journal of Infectious Diseases, 2023 -- Real-World Application of the MeMed BV Test in Differentiating Bacterial, Viral, and Mycoplasma pneumoniae Infections in Pediatric Community-Acquired Pneumonia
  5. Mycoplasma pneumoniae Infections in Hospitalized Children — United States, 2018–2024 | MMWR
  6. TYPE Systematic Review, 2025 -- Early Risk Factors for Refractory MPP
  7. CDC MMWR on Mycoplasma pneumoniae Infections
  8. Frontiers in Pediatrics on Early Risk Factors for MPP
  9. 2026 Guideline for the Early Management of Patients With AIS - Professional Heart Daily | American Heart Association

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