Recurrent abdominal dislodgement of intrathecal pump and utility of infraclavicular site for patients with elevated body mass index: illustrative case.

Abstract

Intrathecal baclofen, delivered via implanted pump, has been used to manage spasticity for approximately 40 years. The device is typically subcutaneously or subfascially implanted in the abdominal wall. There are very few cases reported of the pump being implanted in other locations. This case describes the complicated course of a patient presenting with multiple episodes of catheter malfunction related to pump flipping in the abdominal pocket. The patient was successfully treated with repositioning of the pump into the infraclavicular fossa. Infraclavicular placement of the implanted pump allowed for a more secure pocket base for this patient and less strain applied to the pump, minimizing the risk of disruption of pump positioning and interruption of drug delivery.