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Diagnosing Pulmonary EmbolismDiagnosing pulmonary embolism (PE) involves clinical assessment and advanced imaging tests. The preferred diagnostic tool is the spiral (helical) CT scan or CT angiography (CTA), which uses intravenous contrast media to visualize the pulmonary vasculature and identify emboli.A ventilation-perfusion (V/Q) scan is an alternative for patients unable to receive contrast media. This scan includes both perfusion and ventilation scanning. Perfusion scanning involves...
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Interventional therapies for pulmonary embolism.

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Area of Science:

  • Cardiology
  • Interventional Radiology
  • Pulmonary Medicine

Background:

  • Pulmonary embolism (PE) is a significant cause of mortality.
  • PE diagnosis and treatment present clinical challenges.
  • Traditional treatments include anticoagulation, thrombolysis, and surgery.

Purpose of the Study:

  • To review the pathophysiology of PE.
  • To guide patient selection for interventions.
  • To critically evaluate current interventional treatment evidence.

Main Methods:

  • Review of existing literature on PE pathophysiology.
  • Analysis of clinical evidence for interventional therapies.
  • Discussion of decision-making frameworks for patient selection.

Main Results:

  • Percutaneous interventional technologies are emerging for intermediate-high and high-risk PE.
  • Interventions like catheter-directed thrombolysis and aspiration thrombectomy may offer rapid hemodynamic benefits.
  • Robust evidence from randomized controlled trials on safety and efficacy is currently limited.

Conclusions:

  • Interventional catheter-based treatments represent a developing frontier in PE management.
  • Further research, particularly randomized controlled trials, is essential to establish the role of these interventions.
  • Future perspectives and unmet needs in PE treatment require ongoing investigation.