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Fractures: Bone Repair01:27

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Treatment for a fracture is based on the type of break, the bone affected, and the patient's age.
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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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The ulna and radius are parallel bones of the antebrachium or the forearm. The ulna lies medially and consists of a bony tip called the olecranon process at its proximal end. This hook-like projection articulates with the olecranon fossa of the humerus and forms the "hinged" ulnohumeral part of the elbow joint. This joint facilitates forearm extension and flexion while preventing its hyperextension. Similarly, the coronoid process, another bony projection on the proximal/anterior side...
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The muscles of the forearm that move the wrist, hand, and digits are numerous and diverse. They can be classified into two groups based on their location and function — the anterior and posterior compartment muscles.
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Managing flail chest, a condition characterized by a segment of the chest wall moving independently from the rest of the thoracic cage, requires a comprehensive approach. It includes a thorough assessment of the patient's condition, a diagnostic evaluation to determine the extent of the injury, and the implementation of appropriate medical interventions tailored to the individual's needs.
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Bones of the Upper Limb: Humerus01:19

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The upper limb consists of the arm, forearm, wrist, and hand bones. The humerus is the single bone of the upper arm region. Proximally, it has a large, spherical, smooth head that articulates with the glenoid cavity of the scapula to form the glenohumeral or shoulder joint. The margin of the head is the anatomical neck, a residual epiphyseal plate. Laterally it extends to form bony projections called the greater tubercle and the lesser tubercle. Next to the tubercles is the surgical neck, a...
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Development of a Novel Internal Fixation Model for Rat Radial Fractures: Fracture Healing Assessment and Dorsal Root Ganglion Isolation
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Problematic Pediatric Hand and Wrist Fractures.

Parker B Goodell1, Andrea Bauer2

  • 1UC Davis School of Medicine, 2101A Education Building, 4610 X Street, Sacramento, CA 95817.

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Summary

Pediatric hand fractures, including Seymour and mallet fractures, require specific diagnostic and treatment approaches. Early surgical intervention is often recommended for nonunions and displaced phalangeal neck fractures in children.

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Area of Science:

  • Orthopedics
  • Pediatric Orthopedics
  • Hand Surgery

Background:

  • Seymour fractures are open juxta-physeal distal phalanx fractures.
  • Mallet fractures are common in children, with nonoperative treatment for minimally displaced cases.
  • Phalangeal neck fractures have limited remodeling potential and risk redisplacement.

Purpose of the Study:

  • To review diagnostic and treatment strategies for pediatric hand fractures.
  • To highlight changing epidemiology of scaphoid fractures in children.
  • To discuss management of acute and nonunion scaphoid fractures.

Main Methods:

  • Review of diagnostic imaging, including true lateral radiographs.
  • Discussion of surgical interventions: irrigation, debridement, Kirschner wire stabilization, percutaneous pinning, and open reduction/internal fixation.
  • Analysis of epidemiological trends and treatment outcomes for pediatric scaphoid fractures.

Main Results:

  • True lateral radiographs are crucial for diagnosing Seymour and phalangeal neck fractures.
  • Nonoperative management is suitable for some mallet fractures, but splinting compliance is key.
  • Waist fractures are increasingly common in pediatric scaphoid fractures, possibly linked to BMI and sports.

Conclusions:

  • Optimal management of pediatric hand fractures involves accurate diagnosis and tailored treatment.
  • Percutaneous pinning is preferred for phalangeal neck fractures to avoid osteonecrosis.
  • Open reduction and internal fixation should be considered for pediatric scaphoid nonunions.