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Thermal Ablation for the Treatment of Abdominal Tumors
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Infectious Complications of Cryoablation and Microwave Ablation in Metastatic Solid Tumors

Ashish Bhargava1, Harsha V Banavasi2, Pranatharthi H Chandrasekar2

  • 11Division of Infectious Diseases,St John Hospital and Medical Center,Grosse Pointe Woods,Michigan.

Infection Control and Hospital Epidemiology
|April 7, 2018
PubMed

Insights

Infectious complications following cryoablation and microwave ablation for unresectable neoplasms are rare, occurring in only 1.4% of cases. Abscesses were the most common infection and were successfully treated with drainage and antibiotics.

Area of Science:

  • Oncology
  • Infectious Diseases
  • Interventional Radiology

Background:

  • Cryoablation and microwave ablation are established methods for reducing tumor burden in unresectable neoplasms.
  • Minimally invasive ablation techniques are increasingly utilized for cancer treatment.
  • Understanding the risk of infectious complications is crucial for patient safety.

Purpose of the Study:

  • To evaluate the incidence and nature of infectious complications after cryoablation and microwave ablation.
  • To assess the effectiveness of standard treatment protocols for post-ablation infections.

Main Methods:

  • Retrospective analysis of patients undergoing cryoablation or microwave ablation.
  • Infection surveillance and documentation of complications.
  • Review of treatment strategies for identified infections.

Main Results:

  • A low overall rate of infectious complications (1.4%) was observed.
  • Abscess formation was the most frequent infectious complication.
  • All infections were successfully managed with imaging-guided drainage and antibiotic therapy.

Conclusions:

  • Cryoablation and microwave ablation are associated with a low risk of infectious complications.
  • Prompt diagnosis and treatment with drainage and antibiotics are effective for post-ablation abscesses.
  • These findings support the safety profile of thermal ablation techniques in managing unresectable neoplasms.

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