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Computed tomography (CT)-guided biopsies and drainages have a low complication rate, with most detected clinically. Routine post-interventional CT scans are not recommended to reduce radiation exposure.

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Area of Science:

  • Radiology
  • Interventional Radiology
  • Medical Imaging

Background:

  • Computed tomography (CT)-guided procedures are essential for diagnosis and treatment.
  • Assessing complication rates and the utility of follow-up imaging is crucial for optimizing patient care and safety.

Purpose of the Study:

  • To determine the complication rate of CT-guided biopsies and drainages.
  • To evaluate the diagnostic value of post-interventional CT control scans.

Main Methods:

  • Retrospective analysis of 1,067 CT-guided procedures (biopsies and drainages) across thoracic, abdominal, and musculoskeletal locations.
  • Complications were categorized as minor or major and assessed for detection methods (clinical, peri-procedural, or post-interventional scans).

Main Results:

  • Overall complication rate was 2.5%, with higher rates in thoracic interventions (13.5%) and diagnostic punctures (4.4%).
  • Pneumothorax and bleeding were the most common complications; only one major complication occurred.
  • Post-interventional CT scans identified 6 complications solely, while most were detected clinically or peri-interventionally.

Conclusions:

  • CT-guided interventions are generally safe with a low complication rate.
  • Thoracic interventions carry a higher risk, with pneumothorax and bleeding being frequent complications.
  • Routine post-interventional CT controls are not necessary; they should be reserved for complicated or retroperitoneal cases to minimize radiation exposure.