The Journal of hand surgery
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Fully threaded, variable-pitch, headless screws are used in many settings in surgery and have been extensively studied in this context, especially in regard to scaphoid fractures. However, it is not well understood how screw parameters such as diameter, length, and pitch variation, as well as technique parameters such as depth of drilling, affect gap closure. ⋯ We describe characteristics of variable-pitch headless screws that may assist the surgeon in screw choice and method of use.
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Current techniques used to measure joint contact rely on invasive procedures and are limited to statically loaded positions. We sought to examine native distal radioulnar joint (DRUJ) contact mechanics using nondestructive imaging methods during simulated active and passive forearm rotation. ⋯ This study documented normal DRUJ arthrokinematics using a nondestructive in vitro approach. It further reinforced the established biomechanical and clinical literature on contact patterns at the native DRUJ during forearm rotation.
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The radius bone has a slight dorsoradial bow that allows for full forearm pronosupination around the ulna. However, radial malunion can lead to reversal of the radial bow and subsequent volar instability of the distal radioulnar joint (DRUJ), predominantly in supination. This study assessed the outcomes of corrective radial osteotomy for volar DRUJ instability after radial malunion in children. ⋯ Therapeutic V.
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Randomized Controlled Trial Comparative Study
A Prospective Randomized Study Comparing Bupivacaine Hydrochloride Versus Bupivacaine Liposome for Pain Management After Distal Radius Fracture Repair Surgery.
To compare pain experience and opioid use after distal radius fracture repair surgery performed with perioperative infiltration of the local anesthesia bupivacaine hydrochloride (Marcaine; Pfizer, New York, NY) or bupivacaine liposome (Exparel; Pacira, Parsippany, NJ). ⋯ Therapeutic II.
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To investigate the reduction accuracy of 3-dimensional planned single-cut osteotomies (SCOTs) of the forearm that were performed using patient-specific guides. ⋯ Therapeutic IV.