Microspheres present comparable efficacy and safety profiles compared with polyvinyl alcohol for bronchial artery

Zhigang Fu1, Xun Li2, Fei Cai1

  • 1Department of Radiology, Yichang Central People's Hospital, First College of Clinical Medical Science, China Three Gorges University, 183 Yiling Road, Yichang, 443003, China.

Abstract

Insights

Microspheres and polyvinyl alcohol (PVA) show similar effectiveness and safety for bronchial artery embolization (BAE) in treating hemoptysis. This study provides evidence for selecting embolic agents in BAE procedures.

Area of Science:

  • Interventional Radiology
  • Vascular Medicine
  • Pulmonary Medicine

Background:

  • Hemoptysis is a critical condition requiring effective treatment.
  • Bronchial artery embolization (BAE) is a primary intervention for hemoptysis management.
  • The choice of embolic agent impacts BAE outcomes.

Purpose of the Study:

  • To compare the efficacy and safety of microspheres versus polyvinyl alcohol (PVA) in BAE for hemoptysis.
  • To evaluate clinical success, recurrence rates, mortality, and adverse events.
  • To provide data for informed embolic agent selection in BAE.

Main Methods:

  • A comparative study involving 152 patients with hemoptysis undergoing BAE.
  • Patients were divided into two groups: microspheres (N=62) and PVA (N=90).
  • Outcomes assessed included technical and clinical success, hemoptysis recurrence, survival status, and adverse events during follow-up.

Main Results:

  • Both microspheres and PVA achieved 100% technical success rates.
  • Clinical success rates, hemoptysis recurrence, and mortality rates at 6 months and 1 year were similar between groups.
  • No significant differences were observed in hemoptysis-free survival or overall survival; all adverse events were mild.

Conclusions:

  • Microspheres demonstrate comparable efficacy and safety to PVA for BAE in hemoptysis patients.
  • The findings support the use of microspheres as a viable alternative to PVA.
  • This study contributes valuable evidence for embolic agent selection in BAE procedures.

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