Basic Principles of Analgesia
Overview Review of Local Anesthetics 1. The two most commonly used local anesthetics are lidocaine (Xylocaine) and bupivacaine (Marcaine, Sensorcaine) ( Table 1.1 ). a. Recent studies have suggested that…
Hematoma Block
Overview 1. A hematoma block may be performed anywhere an acute fracture is present. 2. Typically, hematoma blocks are performed in regions where it is impractical to perform selective nerve…
Elbow Block
Overview The following five nerves are involved in an elbow block: radial, median, ulnar, medial antebrachial cutaneous, and lateral antebrachial cutaneous. 1. The radial and lateral antebrachial cutaneous nerves are…
Digital Block
Overview 1. Two techniques can be used to perform a digital block: a. Tendon sheath injection b. Web space injection 2. The web space injection technique is more painful but…
Wrist Block
Overview The following three nerves are involved in a wrist block: radial, median, and ulnar. 1. The ulnar nerve has a dorsal sensory branch that arises 5 cm proximal to the…
Treatment of navicular avascular necrosis in the sensate patient
Definition • Utilizing patient-specific custom 3D-printed metallic navicular cages for the treatment of chronic navicular pathology in sensate patients without Charcot neuroarthropathy. Anatomy and biomechanics • The navicular is an…
Primary constrained total talus with subtalar joint arthrodesis
Definition • Patient-specific 3D custom-printed metallic constrained total talus replacement includes modifications to implant design and technique in order to incorporate subtalar arthrodesis. Anatomy • The talus, through its articulations,…
3D-printed solutions for first metatarsophalangeal joint fusion with osseous deficit
Definition • Custom/patient-specific 3D-printed metallic porous spacer for the first metatarsophalangeal joint (MTPJ) with bone loss to restore length, alignment, and function of the first ray. Anatomy • The first…
3D-printed hallux and lesser metatarsophalangeal joint replacement
Definition • Custom/patient-specific 3D-printed metallic porous hemiarthroplasty for the treatment of hallux and lesser toe metatarsophalangeal joint (MTPJ) arthritis to improve pain while maintaining range of motion (ROM). Anatomy/pathogenesis •…
A 3D-printed solution for revision lapidus bunionectomy
Definition • Custom/patient-specific 3D-printed metallic porous spacer for revision of first tarsometatarsal (TMT) joint arthrodesis nonunion. Anatomy and pathogenesis • The first TMT joint is a trapezoid-shaped joint with a…
