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Related Concept Videos

Bones of the Upper Limb: Radius01:09

Bones of the Upper Limb: Radius

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The radius is longer of the two bones that make up the human antebrachium or forearm. At the proximal end, the radius articulates with the capitulum of the humerus and the radial notch of the ulna to form the elbow joint. At the distal end, the radius articulates with the ulna via the ulnar notch, forming the distal radioulnar joint. Distally, the radius also attaches to the carpal wrist bones (scaphoid and lunate) to form the radiocarpal joint.
The radius has a nail-shaped head, and a...
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Apical-Radial (A-R) Pulse Assessment
The A-R pulse assessment involves simultaneous evaluation of the apical and radial pulses. When the apical and radial pulse rates vary, this assessment helps identify a pulse deficit.
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Reverse Total Shoulder Arthroplasty
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Radial head prosthesis: results overview.

E Carità1, A Donadelli2, L Cugola2

  • 1Clinica San Francesco, Via Monte Ortigara 20, 37120, Verona, Italy. drcaritaenrico@gmail.com.

Musculoskeletal Surgery
|August 16, 2017
PubMed
Summary
This summary is machine-generated.

Radial head prostheses offer a valid solution for complex elbow fractures and arthritis, significantly reducing pain and improving function. Proper positioning is key to successful outcomes in these challenging cases.

Keywords:
Elbow stiffnessHumeroradial post-traumatic arthritisRadial head fracturesRadial head prosthesisRadial head replacement

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Area of Science:

  • Orthopedic Surgery
  • Traumatology
  • Biomaterials Engineering

Background:

  • Radial head replacement is a common surgical intervention for radial head fractures and their sequelae.
  • Indications include inability to restore anatomy, acute elbow instability, and hardware failure from osteosynthesis.
  • This study evaluates the outcomes of various radial head prostheses implantation.

Purpose of the Study:

  • To assess the efficacy of radial head prostheses in treating complex radial head fractures and post-traumatic arthritis.
  • To evaluate pain reduction, range of motion, stability, and patient satisfaction post-implantation.
  • To analyze radiographic findings such as osteolysis and implant mobilization.

Main Methods:

  • A retrospective study of 28 patients who underwent radial head prosthesis implantation between June 2005 and June 2016.
  • Indications included Mason type III/IV fractures and post-traumatic arthritis.
  • Prostheses were press-fit implanted using specific surgical approaches, with follow-up assessments including pain, ROM, MEPS, and patient-reported outcomes.

Main Results:

  • Significant pain reduction was observed, with average pain scores decreasing.
  • Average range of motion (ROM) achieved was 107° (flexion-extension) and 159° (pronation-supination).
  • High patient satisfaction was reported, with only three cases requiring implant removal and six showing asymptomatic bone resorption.

Conclusions:

  • Radial head prostheses are a viable treatment option for fractures and secondary arthritis with poor prognosis when correctly positioned.
  • The procedure leads to good outcomes in pain reduction, functional recovery, and improved quality of life.
  • Careful implant positioning and selection are crucial for minimizing complications like mobilization and bone resorption.