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Clearing the Clogged Microcatheter During Particulate Embolization 

Clearing the Clogged Microcatheter During Particulate Embolization
Clearing the Clogged Microcatheter During Particulate Embolization

Roshni A. Parikh

, and David M. Williams

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date: 19 September 2021

This chapter describes the steps in management, applications, challenges, and potential complications when a microcatheter becomes clogged during an embolization. If a microcatheter does become occluded during an embolization, it can be a challenge to clear it without removing the catheter completely, thus losing access to the desired location. If a standard 1-cc syringe is placed and manual pressure is applied to clear the catheter, this can generate pressures up to 100 times the arterial blood pressure, thus risking nontarget embolization from the residual embolic material in the microcatheter. This chapter describes the steps involved in safely clearing an occluded microcatheter with the use of a standard balloon insufflator.

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