Fractures of the distal ulna associated with fracture of the. It lies medially and parallel to the radius, the second of the forearm bones. Pdf anatomy and biomechanics of distal radius fractures. A distal radius fracture almost always occurs about 1 inch from the end of the bone. Volar distal radius anatomy applied to the treatment of. Distal radius fractures remain the most frequent fractures in the adult.
Bartons fracture an intraarticular fracture of the distal radius with dislocation of the radiocarpal joint. Volar locking plate vlp fixation has become the standard surgical treatment for distal radius fractures. Patients trauma 46 year old male sustained injury from a fall while roller skating sustained markedly displaced, comminuted and impacted fracture of the left distal radius metaphysis with intraarticular extension. The distal ulna is an important weightbearing component of the wrist joint and an essential element of the forearm articulation. Founded on this strong clinical heritage, todays depuy synthes distal radius portfolio covers every corner of the distal radius anatomy with one complementary valcp plating system. Wolfe with the wide array of treatment options now available, this is an exciting era for the treatment of fractures of the distal radius. A transverse, extraarticular fracture of the distal radius distal 2cm of the radius that is angulated dorsally and impacted by the proximal carpal row the scaphoid and lunate, caused by a fall on an outstretched hand.
Importance the value of precise anatomic restoration for distal radius fractures drfs in older adults has been debated for many decades, with conflicting results in the literature. Please fax initial evaluation and progress notes to 815. Distal radius fracture orif rehabilitation protocol. General features of distal radius anatomy the distal portion of the radius has a quadrilateral crosssection and includes the metaphyseal and epiphyseal regions. A comprehensive plating system to address a variety of fracture patterns. The distal end of the radius makes a circumferential gliding movement around and in front. Your digital gateway to expertise, education, and innovation. However, flexor tendon rupture is one of the major complications following volar plating. The insertion of the brachioradialis may be released. The distal radius articulates moves against with three of the eight carpal bones of the wrist. It lies laterally and parallels to the ulna, it rotates to produce the. In simple cases, standard ap and lateral xrays of the. Proximally, the ulna articulates with the humerus at the elbow joint.
Apr 23, 2020 the radius and the ulna constitute as the bones of the forearm. The distal radioulnar articulation inferior radioulnar joint is a joint between the two bones in the forearm. Distal radius volar plates plate placement volar distal radius evos wrist surgical technique 11. The distal epiphysis of the radius far end at the wrist averages about an inch wide. Despite the fact that in some cases of distal radius fractures crpp seems superior when compared with other treatment options, 4 6 8 it is losing popularity among orthopaedic surgeons. This article discusses the recovery process for both approaches, plus the pain management tactics that can be used for all patients. The fpl tendon ran through from the ulnar corner of the distal radius in 56% of the 50 normal wrist joints. Two chevrons on the proximal end of the dr implant template correspond to the two implant lengths and aid with visualization of possible insertion sites on the radius. Fractures of the distal ulna anatomy the dorsal and volar radioulnar ligaments tfcc originate at the base of the ulnar styloid. Using zimmers anatomical database, the plate contour conforms to a broad range of patient anatomy. The proximal epiphysis the end at the elbow is about half as wide.
As described above, the radius is a typical long bone with dense, hard bone along the shaft diaphysis. Distal radius fractures occur through the distal metaphysis of the radius may involve articular surface frequently involving the ulnar styloid most often result from a fall on the outstretched hand. Other new insights on the bony anatomy of the distal end of the radius are discussed, which are important in improving the quality of fracture fixation, including the benefits of constructing a. Assessment of anatomic restoration of distal radius. These bones are specially designed in order to enable the. Volar locking plate vlp fixation has become the standard surgical technique for unstable distal radius fractures. The ulna acts as the stabilising bone, with the radius pivoting to produce movement.
The area where a plate is applied is more ulnar than radial. The antebrachial region, as it is clinically known, spans the length of the region which extends roughly from elbow to wrist. Figure 4 from distal radius anatomy applied to the. Pdf volar distal radius anatomy applied to the treatment of. In the medial surface, there is a concavity, called the ulnar notch, which articulates with the head of ulna, forming the distal radioulnar joint. After soft tissue swelling subsides, open reduction and internal fixation of the distal radius is performed. Laurent obert1,2, francois loisel1, nicolas gasse3, and daniel lepage1,2. Figure 4 from distal radius anatomy applied to the treatment. Choose the appropriate implant according to patient anatomy and fracture pattern. Chief of sports medicine, orlando health chief medical officer, orlando city soccer club. Pdf few studies on the anatomy of the radial epiphysis have been published in the past 10 years. The distal radius is the name given to the end of the bone that helps form the wrist joint. In light of the growing population of adults aged 60 years and older, both fracture incidence and associated treatment costs are expected to increase.
Distal radius fractures pdf free download ebook description written by one of the worlds foremost authorities, this beautifully illustrated surgical atlas is a casebased presentation of the management of distal radius fractures. Distal radius anatomy applied to the treatment of wrist. Awareness of the anatomy of blood supply to the distal radius. Pdf volar distal radius anatomy applied to the treatment. The break can occur in many different ways, however. The scope of this guideline is specifically limited to acute distal radius fractures. Severity of the fracture and functional results are related to the bone mineral density.
The ulna is the stable unit of the forearm around which the radius rotates the anatomy of the sigmoid notch of the radius, the seat of the ulna and the guiding checkrein potential of the components of the tfc allow. Anatomy and biomechanics of distal radius fractures. The bony anatomy involves the distal radius, distal ulna and carpal bones. In the context of the radius bone, a ray can be thought of rotating around an axis line extending diagonally clarification needed from center of capitulum to the center of distal ulna. Volar distal radius anatomy applied to the treatment of distal radius fracture. Dorsal and volar plates for fractures and osteotomies of the distal radius. Few studies on the anatomy of the radial epiphysis have been published in the past 10 years. After injury, significant residual malalignment or deformity of the distal ulna and deficiency of its ligamentous support have a deleterious effect on grip strength and forearm rotation. Published studies on distal radius anatomy in recent years have focused on three aspects. Distal radius anatomy applied to the treatment of wrist fractures by.
Jun 19, 2015 a fresh look at distal radius anatomy. The distal end of the radius forms two palpable points, radially the styloid process and listers tubercle on the ulnar side. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Anatomic features of the distal radius include the styloid process, the dorsal tubercle, and four surfaces. Anatomy the distal radius is part of the radius, one of the two bones in the forearm. Colles fractures are the most common type of distal radius. The anatomy of wrist, thumb and hand is complex because of the presence of many different functional joints. However, with the availability of new intra and extramedullary implants and the recent rash of avoidable iatrogenic injuries, now is the time for a more detailed description of the metaphysealepiphyseal regions in the distal radius. The articular surface of the distal aspect of the radius tilts 21 degrees in the anteroposterior plane and 5 to 11. Biomechanics of the distal radioulnar joint andrew k. Each chapter offers a comprehensive guide to the diagnosis and treatment of a specific fracture, including possible complications. The knowledge of these fractures has grown enormously over the last years.
During recovery, these pain management techniques can be used for patients. Distal radius fractures are the most common fractures of the upper extremities. Anatomy the distal radius is biconcave,triangular, and covered withhyaline cartilage. Pdf distal radius anatomy applied to the treatment of. Distal radius fractures broken wrist orthoinfo aaos. Fluoroscopy should be utilized to verify screw path placement during drilling of the distal cluster of screws in the plate to prevent joint penetration. Anatomy of distal end of radius international journal of medical. Radial inclina tion and radial length are the anatomic features critical to the assessment of reduction figure 1. Distal radius fractures common injury fractures of the distal radius represent approximately 16% of all fractures treated by orthopaedic surgeons three main peaks of fracture distribution. Distal radius fractures scott wolfe md upper extremity surgeon.
The distal portion of the radius has a quadrilateral crosssection and includes the metaphyseal and epiphyseal regions. If you continue browsing the site, you agree to the use of cookies on this website. The plate should be placed slightly below the distal edge of the radius to support the volar articular fracture. Distal forearm, wrist, and hand distal forearm an injury to the distal forearm, caused predominantly 90% of cases by a fall on the outstretched hand, is common throughout life but is most common in the elderly. Jun 19, 2015 general features of distal radius anatomy.
The morphometry of distal end of radius comprises radial inclination, palmar tilt and radial height. A new generation of radui s plates why is a new generation of radius plates needed. Complications of distal radius fractures michael s. The treatment of distal radius fractures summary of recommendations the following is a summary of the recommendations in the aaos clinical practice guideline, the treatment of distal radius fractures. Volar distal radius anatomy applied to the treatment of distal. An improved understanding of kinematics, bone quality, and muscle forces acting across the fracture has led to increased awareness. Along with the proximal and distal radioulnar articulations, an interosseous membrane originates medially along the length of the body of the radius to attach the radius to the ulna. The injuries occur when the wrist is subject to nonphysiologic loads, such as falling on an outstretched hand. In the meantime, more than 2 million aoapproved depuy synthes distal radius plates have been implanted1. A comprehensive plating system to address a variety of. The radius and the ulna constitute as the bones of the forearm. Atlas of distal radius fractures free pdf download medical. Distally, the ulna articulates with the radius, forming the distal radio.
Linking anatomy to outcomes, gartland and werley4 proposed in 1951 that good clinical outcomes are correlated with the restoration of anatomy, a hypothesis con. Pdf snell clinical anatomy by regions 9th ed 2012 sri. This information should be taken into account during volar plating of distal radius fractures. Radiographs of the affected wrist are shown in figure a. Pdf volar locking plate vlp fixation has become the standard surgical treatment for distal radius fractures. In the distal region, the radial shaft expands to form a rectangular end. Do you want to use the redesigned ao sr like an app. Associated osteoporosis increases morbidity risk secondary displacement is the most frequent and mortality risk in women older than 60. Distal radius anatomy applied to the treatment of wrist fractures by plate. Published studies on distal radius anatomy in recent years have. The type of injury usually sustained is a fracture of the distal radius or ulna, the. A large cage should be selected for more proximal fractures and patients with larger distal radius anatomy.
Full clinical practice guideline pdf on the treatment of distal radius fractures appropriate use criteria appropriate use criteria auc provide treatment recommendations on a patientspecific level using evidence from aaos clinical practice guidelines, along with clinician expertise and experience. Pdf distal radius anatomy applied to the treatment of wrist. The radius is the lateral of the two bones, which makes the ulna the medial bone of the forearm. The radius and hand move in relation to, and function about, the distal ulna. It is one of two joints between the radius and ulna, the other being the proximal radioulnar articulation. The distal radius has been the center of attention for the development of many of the bone graft substitutes because it is a common area to fracture with a relative lack of associated confounding variables. Knirkandjupiter5 documented in 1986 that intraarticular distal radius fractures. It acts as the link between radius and ulna and a pivot for pronosupination.
Distal radius fracture orif rehabilitation protocol kelly holtkamp, m. Assessment of anatomic restoration of distal radius fractures. A displaced fracture of the distal radius is likely to tear the tfcc or fracture the ulna. It is important for the management of fracture around wrist in. Anatomy and biomechanics of the distal radioulnar joint. Distal radius fractures can be reset either with surgery open reduction or without it closed reduction. Associated injuries may accompany distal radius fractures.
Distal radius fractures orthopaedic trauma association. Chicago how to treat a distal radius fx need to restore motion, begin with uninvolved parts need to reduce an unreduced fracture need to maintain the reduction need to place fixation appropriately kl. Atlas of distal radius fractures free pdf download. One of the most common distal radius fractures is a colles fracture, in which the broken fragment of the radius tilts upward.
1537 1451 1538 360 499 721 1258 1181 685 499 1154 1503 326 994 1325 370 1229 1576 624 703 162 142 275 130 1278 901 126 1290 398 693 657 1431 1437 1137 529 1470 600 1461 1551 644 1231 699 73 533 1279 547 417 969 483 1449 268