Mycobacterium abscessus bacteremia complicated by sepsis and septic shock in a patient with multiple comorbidities: a case report - Report - MDSpire

Mycobacterium abscessus bacteremia complicated by sepsis and septic shock in a patient with multiple comorbidities: a case report

  • By

  • Yuanyuan Xu

  • Lusheng Wang

  • Huihui Li

  • Pingping Zhao

  • Kaixuan Zhang

  • Sudi Zhu

  • Mengyu Zhang

  • May 8, 2026

  • 0 min

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Clinical Report: Bacteremia Due to Mycobacterium abscessus Leading to Sepsis

Overview

This case study presents a 66-year-old male with bacteremia due to Mycobacterium abscessus, leading to sepsis and septic shock. The patient had multiple underlying health conditions, highlighting the risks associated with this rare but severe infection.

Background

Mycobacterium abscessus is a rapidly growing nontuberculous mycobacterium that can cause severe infections, particularly in individuals with significant comorbidities or healthcare exposure. Systemic infections from M. abscessus are rare but can lead to severe outcomes such as sepsis and septic shock. Understanding the clinical presentation and management of such infections is crucial for improving patient outcomes.

Data Highlights

No numerical data or trial data available in the article.

Key Findings

  • Mycobacterium abscessus can cause bacteremia leading to sepsis and septic shock.
  • Patients with significant comorbidities are at higher risk for severe infections from M. abscessus.
  • Microbiological confirmation through culture is essential for accurate diagnosis.
  • Traditional immunosuppressive therapy is not a prerequisite for severe M. abscessus infections.
  • Prompt initiation of tailored multidrug therapy is critical for managing M. abscessus bacteremia.

Clinical Implications

Healthcare providers should maintain a high index of suspicion for M. abscessus in patients presenting with recurrent fever and inadequate response to standard treatments, especially in those with complex medical histories. Early microbiological identification and appropriate antimicrobial therapy are vital for improving patient outcomes.

Conclusion

This case emphasizes the importance of recognizing M. abscessus as a potential cause of severe infection in vulnerable patients. Timely diagnosis and treatment are essential to mitigate the risks associated with this opportunistic pathogen.

Related Resources & Content

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  2. Infection — Clinical Characteristics, Treatment Efficacy, and Mortality Risk Associated with Tuberculosis Sepsis in Patients Without HIV: A Systematic Review and Meta-Analysis of Case Reports
  3. Open Forum Infectious Diseases — Patterns and Risk of Metastatic Infections Originating from Primary Sites in Staphylococcus aureus Bacteremia
  4. About Mycobacterium abscessus | NTM | CDC
  5. conexiant — Atypical Meningococcemia: Diagnostic Lessons From a Fatal Case
  6. About Mycobacterium abscessus | NTM | CDC
  7. Treatment of Nontuberculous Mycobacterial Pulmonary Disease: An Official ATS/ERS/ESCMID/IDSA Clinical Practice Guideline - PMC
  8. Omadacycline Monotherapy in Nontuberculous Mycobacterial Pulmonary Disease Caused by Mycobacterium abscessus: Results From a Phase 2, Double-blind, Randomized, Placebo-controlled Study | Clinical Infectious Diseases | Oxford Academic

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