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Endovascular occlusion with a new mechanical detachable coil
1Department of Interventional Radiology, Imperial College, Hammersmith Hospital, London, United Kingdom.
AJR. American Journal of Roentgenology
|October 8, 1998
Summary
A new detachable coil offers safer and more accurate embolization for pulmonary arteriovenous malformations (PAVMs). This coil provides improved control for vascular embolization procedures, with few associated complications.
Area of Science:
- Interventional Radiology
- Vascular Surgery
- Medical Devices
Background:
- Metallic coils are established for vascular embolization.
- Controlled-release coils are a recent advancement.
- Existing microcoils are suboptimal for high-flow lesions like PAVMs due to insufficient radial force.
Purpose of the Study:
- To evaluate the clinical experience with a novel detachable coil system.
- To assess the efficacy and safety of the Jackson detachable coil for vascular embolization.
Main Methods:
- The study reviewed the use of a new detachable coil in 20 patients for varicocele treatment.
- The coil was subsequently used in 48 patients across 90 procedures for PAVMs.
- A total of 548 coils were deployed during the study period.
Main Results:
- Complete occlusion of the testicular vein was achieved in all varicocele patients.
- Successful occlusion of PAVMs was achieved in all treated patients, with no recanalization observed on follow-up.
- Device failures occurred, primarily related to detachment issues and kinking of the screw thread mechanism.
Conclusions:
- The Jackson detachable coil facilitates safer, more precise, and distal embolization of PAVMs.
- This new device offers advantages over non-detachable coils for treating PAVMs.
- Complications associated with the Jackson detachable coil were minimal.