Preoperative gut microbiota depletion and metabolomic signatures predict postoperative pneumonia in patients with intracranial space-occupying lesions: a multi-omics prospective cohort study - Scorecard - MDSpire

Preoperative gut microbiota depletion and metabolomic signatures predict postoperative pneumonia in patients with intracranial space-occupying lesions: a multi-omics prospective cohort study

  • By

  • Juan Chen

  • Zhiyu Li

  • Yewen Zhan

  • Qianqian Tan

  • Jin Li

  • Hong Pu

  • June 16, 2026

  • 0 min

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Clinical Scorecard: Preoperative Depletion of Gut Microbiota and Metabolomic Profiles as Predictors of Postoperative Pneumonia in Patients Undergoing Surgery for Intracranial Lesions: A Multi-Omics Prospective Study

At a Glance

CategoryDetail
ConditionPostoperative Pneumonia (POP)
Key MechanismsPreoperative gut microbiota depletion and metabolic deficiency
Target PopulationAdult patients with intracranial space-occupying lesions undergoing surgery
Care SettingNeurosurgery

Key Highlights

  • Significant preoperative depletion of Roseburia in POP patients
  • Metabolic deficiency state identified in POP patients involving impaired fructose and mannose metabolism
  • Preoperative Roseburia abundance correlated with anti-inflammatory metabolite 1-methylnicotinamide
  • Top 10 preoperative metabolites predicted POP with an AUC of 1.0
  • Integration of microbiota and metabolomics offers a novel pathway for early intervention

Guideline-Based Recommendations

Diagnosis

  • Postoperative pulmonary infection diagnosed using Clinical Pulmonary Infection Score (CPIS)

Management

  • Monitoring preoperative metabolic signatures for risk stratification

Monitoring & Follow-up

  • Assessing gut microbiota and metabolic profiles preoperatively

Risks

  • Increased susceptibility to postoperative pneumonia due to surgical trauma and impaired immune response

Patient & Prescribing Data

Adult patients with intracranial space-occupying lesions

Focus on gut microbiota and metabolic health preoperatively to mitigate infection risk

Clinical Best Practices

  • Conduct comprehensive preoperative assessments of gut microbiota
  • Utilize metabolomic profiling to identify high-risk patients
  • Implement strategies to restore gut microbiota balance preoperatively

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