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Ultrasound-Guided Transversus Abdominis Plane Block for Spinal Infusion and Neurostimulation Implantation in Two Patients with Chronic Pain

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Abstract Objective: 

This case report describes an ultrasound approach to the transversus abdominis plane (TAP) local anesthetic block. This block induces sensory blockade in the lower half of the abdomen where the pulse generator or the infusion pump is to be housed in a subcutaneous pocket, and therefore provides an alternate to general anesthesia or administration of high-dose local anesthetics. Case Report: 

We report two cases of neuromodulation procedures—implantation of an internal morphine pump for severe somatic pain refractory to other therapies and placement of a double-stimulator generator for dorsal column stimulation in a patient diagnosed with postoperative failed-back syndrome. We successfully used ultrasound-guided TAP block to achieve ipsilateral sensory block of dermatomes T9-L1 in the context of a monitored anesthesia care multimodal approach. Conclusion: 

TAP block can be a potentially useful substitute to general anesthesia or local anesthesia for the pocket formation in neuromodulation techniques, and it provides adequate anesthesia of the abdominal wall. This block is potentially an important addition to the monitored anesthesia care protocol.

Keywords: anesthetic techniques; neuromodulation; transversus abdominis plane block; ultrasound

Document Type: Clinical Report


Publication date: March 1, 2010


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