Increased Pain After Kyphoplasty
Fig. 43.1 Facet strain causing back pain after compression fracture Persistent post-procedure pain prompts an x-ray or CT evaluation of the injected site, especially if the pain has changed or…
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Bupivacaine-Induced Myonecrosis
Fig. 47.1 Concentration-dependent bupivacaine myotoxicity. Rabbit extraocular muscles at 5 days after injection of bupivacaine or saline. (a) Saline injection: normal-appearing muscle fiber cells displayed regular arrangement with the nuclei…
Complications of Occipital Nerve Block
Complication Presentation Cutaneous adverse reactions Atrophy, alopecia, hyperpigmentation, folliculitis Myonecrosis/myotoxicity Attributed to local anesthetic or corticosteroid Intra-arterial injection Central nervous system manifestations Cardiovascular manifestations Subarachnoid injection Brain stem anesthesia 45.2.5…
Seroma or Hygroma Formation After Implantation of an Intrathecal Drug Delivery System or a Spinal Cord Stimulator
Mechanical Biological Electrode fracture or migration for SCS Infection Catheter fracture or migration for ITDDS Bleeding Battery failure for SCS or ITDDS Nerve injury Programming or pump-fill errors for ITDDS…
Intrathecal Pump Malfunction: Flipped, Expired, Stalled, and Malfunctioned Valves and Rotors Leading to Under- and Over-Infusion
Fig. 29.1 Pump flip. CT image of a complete flipped pump. (a) The CT was performed after a failed pump refill with needle unable to identify the reservoir entry; fluoroscopic…
Stroke: A Complication of Stellate Ganglion Block
1. Patient reports pain that is disproportionate to that which is expected given the injury 2. Subjective symptoms (must report 3 of 4 categories) Sensory Hyperesthesia Allodynia Vasomotor Temperature asymmetry Skin color…
Sheared or Break of Caudal Catheters After Epidural Steroid Injection
Fig. 17.1 Catheter sheared when threaded through a needle with a bent tip 17.2 Discussion The physical and social impact of low back pain is enormous. It is one of…
Anterior Epidural Space Lead Placement
Fig. 51.1 Lateral view during placement of a stimulating lead showing anterior epidural space trajectory; the lead was withdrawn and repositioned in the posterior epidural space. During testing, patient experienced…
Sensory and Motor Deficit with High Amplitude Stimulation in Spinal Cord Stimulators
Fig. 50.1 (a, b) AP and lateral view chest X-ray : Termination of electrodes at T8 and T10 confirms the absence of obvious lead migration. Images from personal library At…
Motor Weakness After Transforaminal Epidural Steroid Injection
Fig. 15.1 Oblique view of transforaminal epidural steroid injection and needle placement. Image from personal library Fig. 15.2 Contrast spread in anteroposterior view showing contrast material spread primarily on the…
