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171 results for

Coronoid Process Fracture

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161. Elbow dislocation with intra-articular fracture: the results of operative treatment without repair of the medial collateral ligament. (PubMed)

a 5-year period, a single surgeon operated on 34 patients with a posterior dislocation of the elbow associated with one or more intra-articular fractures. The mean age of these 19 men and 15 women was 48 years. Associated fractures included the capitellum, trochlea, and lateral epicondyle in 3 patients; the olecranon in 1 patient; and the radial head in 30 patients (with concomitant fracture of the coronoid process-the so-called "terrible triad" of the elbow-in 22 patients, and concomitant (...) fracture of the coronoid and olecranon in 1 patient). Operative treatment consisted of open reduction internal fixation (ORIF) or prosthetic replacement of all fractures and reattachment of the origin of the lateral collateral ligament (LCL) complex to the lateral epicondyle. The MCL was not repaired.Two patients (1 with a terrible triad injury and 1 with fracture of the capitellum and trochlea) had postoperative instability related to noncompliance, had reconstructive procedures, and were considered

2007 Journal of Hand Surgery - American

162. Reconstruction of Mason type-III and type-IV radial head fractures with a new fixation device: 23 patients followed 1-4 years. (PubMed)

using a new fixation device (FFS; Orthofix). 14 Mason type-III fractures with 2 concomitant olecranon fractures and 1 ulnar nerve lesion, and 11 type-IV fractures with 2 olecranon fractures and 2 fractures of the coronoid process were treated. 2 patients were lost to follow-up. In 7 cases of joint instability, an elbow fixator with motion capacity was applied after ORIF of the radial head.No radial head resection was necessary. No secondary dislocations or nonunion occurred. The Morrey elbow score (...) Reconstruction of Mason type-III and type-IV radial head fractures with a new fixation device: 23 patients followed 1-4 years. Treatment options in radial head fractures of Mason types III and IV range from open reduction and internal fixation (ORIF) to radial head resection with or without prosthetic replacement.In a prospective study, the radiographic and clinical outcome was evaluated in 23 patients (age median 51 years) with 23 complex radial head fractures median 2 (1-4) years after ORIF

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2007 Acta Orthopaedica

163. Standard surgical protocol to treat elbow dislocations with radial head and coronoid fractures. (PubMed)

functional outcome.We retrospectively reviewed the results of this treatment performed, at two university-affiliated teaching hospitals, in thirty-six consecutive patients (thirty-six elbows) with an elbow dislocation and an associated fracture of both the radial head and the coronoid process. Our surgical protocol included fixation or replacement of the radial head, fixation of the coronoid fracture if possible, repair of associated capsular and lateral ligamentous injuries, and in selected cases repair (...) Standard surgical protocol to treat elbow dislocations with radial head and coronoid fractures. The results of elbow dislocations with associated radial head and coronoid fractures are often poor because of recurrent instability and stiffness from prolonged immobilization. We managed these injuries with a standard surgical protocol, postulating that early intervention, stable fixation, and repair would provide sufficient stability to allow motion at seven to ten days postoperatively and enhance

2004 The Journal of Bone and Joint Surgery. American Volume

164. Standard surgical protocol to treat elbow dislocations with radial head and coronoid fractures. Surgical technique. (PubMed)

postoperatively and enhance functional outcome.We retrospectively reviewed the results of this treatment performed, at two university-affiliated teaching hospitals, in thirty-six consecutive patients (thirty-six elbows) with an elbow dislocation and an associated fracture of both the radial head and the coronoid process. Our surgical protocol included fixation or replacement of the radial head, fixation of the coronoid fracture if possible, repair of associated capsular and lateral ligamentous injuries (...) Standard surgical protocol to treat elbow dislocations with radial head and coronoid fractures. Surgical technique. The results of elbow dislocations with associated radial head and coronoid fractures are often poor because of recurrent instability and stiffness from prolonged immobilization. We managed these injuries with a standard surgical protocol, postulating that early intervention, stable fixation, and repair would provide sufficient stability to allow motion at seven to ten days

2005 The Journal of Bone and Joint Surgery. American Volume

165. Coronoid fracture patterns. (PubMed)

classification systems.The following strong associations were confirmed by this study: large fractures of the coronoid process with anterior and posterior olecranon fracture-dislocations, small transverse fractures with terrible-triad injuries, and anteromedial facet fractures with varus posteromedial rotational instability pattern injuries. An awareness of these associations and their exceptions may help guide the optimal management of these injuries.Therapeutic, Level IV. (...) Coronoid fracture patterns. It has been suggested that specific types of coronoid fractures are associated strongly with specific patterns of traumatic elbow instability. This hypothesis was tested in a review of a large consecutive series of patients with a fracture of the coronoid as part of a fracture-dislocation of the elbow.One surgeon repaired 67 coronoid fractures as part of a fracture-dislocation of the elbow over a 7-year period. Each coronoid fracture was characterized on the basis

2006 Journal of Hand Surgery - American

166. Ulnar coronoid process anatomy: possible implications for elbow instability. (PubMed)

Ulnar coronoid process anatomy: possible implications for elbow instability. Ulnar coronoid process fractures are relatively uncommon injuries usually occurring with elbow dislocations and contributing to elbow instability. Recent evidence suggests coronoid tip fractures have a role in the instability. We sought to quantify the capsular and brachialis attachments of the ulnar coronoid process to better understand why instability occurs. We prepared eight fresh-frozen cadaveric specimens (...) to ascertain the specific attachment locations. After dissection, we isolated and resected the proximal ulna, including the coronoid process and its soft tissue attachments. We then embedded, sectioned, and stained the specimens. The average distance from the tip of the coronoid to the proximal capsule was 2.36 +/- 0.39 mm. The average distance from the tip of the coronoid to the proximal brachialis insertion was 10.13 +/- 1.6 mm. Most coronoid tip fractures included disruption of the anterior capsule

2006 Clinical Orthopaedics and Related Research

167. Anatomy of the coronoid process. (PubMed)

Anatomy of the coronoid process. Coronoid injuries are classified according to the size of the coronoid fracture. The purpose of this study was to provide a detailed anatomic description of the coronoid process, with specific focus on the coronoid height, the coronoid width, and the olecranon-coronoid angle.Thirty-five cadaveric arms were dissected. All soft tissue was removed and the ulna was disarticulated from the humerus, radius, and the carpal bones. A 3-dimensional digitizing system (...) and the distal insertion of the brachialis muscle, measured 15 mm and was 43% of the ulnar height. The olecranon-coronoid angle ranged between 33 degrees and 38 degrees .For lateral radiographic classification of coronoid fractures, coronoid height is best defined by the trough of the trochlear notch and the slope change of the distal coronoid process. For anatomic studies, coronoid height is best defined by the transverse groove of the sigmoid notch at the guiding ridge and the distal insertion

2006 Journal of Hand Surgery - American

168. Fracture of the anteromedial facet of the coronoid process. (PubMed)

Fracture of the anteromedial facet of the coronoid process. Fracture of the anteromedial facet of the coronoid was recently recognized as a distinct type of coronoid fracture resulting from a varus posteromedial rotational injury force. Very few reports are available to help guide the management of these injuries.Eighteen patients with a fracture of the anteromedial facet of the coronoid process were treated over a six-year period. Twelve patients were treated for the acute fracture, and six (...) were managed after initial treatment elsewhere. All but three patients (two with concomitant fracture of the olecranon and one with a second fracture at the base of the coronoid) had avulsion of the origin of the lateral collateral ligament complex from the lateral epicondyle. The initial treatment was operative in fifteen patients and nonoperative in three. The coronoid fracture was secured with a plate applied to the medial surface of the coronoid in nine patients, a screw in one patient

2006 The Journal of Bone and Joint Surgery. American Volume

169. Fracture of the anteromedial facet of the coronoid process. Surgical technique. (PubMed)

Fracture of the anteromedial facet of the coronoid process. Surgical technique. Fracture of the anteromedial facet of the coronoid was recently recognized as a distinct type of coronoid fracture resulting from a varus posteromedial rotational injury force. Very few reports are available to help guide the management of these injuries.Eighteen patients with a fracture of the anteromedial facet of the coronoid process were treated over a six-year period. Twelve patients were treated for the acute (...) fracture, and six were managed after initial treatment elsewhere. All but three patients (two with concomitant fracture of the olecranon and one with a second fracture at the base of the coronoid) had avulsion of the origin of the lateral collateral ligament complex from the lateral epicondyle. The initial treatment was operative in fifteen patients and nonoperative in three. The coronoid fracture was secured with a plate applied to the medial surface of the coronoid in nine patients, a screw in one

2007 The Journal of Bone and Joint Surgery. American Volume

170. Functional outcome after operative treatment of eight type III coronoid process fractures. (PubMed)

Functional outcome after operative treatment of eight type III coronoid process fractures. There have been few reports about surgical outcomes of coronoid process fractures. Eight cases of clinical results of type III coronoid process fractures were reviewed.Eight patients with coronoid type III fracture were retrospectively reviewed. All were men with an average age of 33 years. There were three isolated fractures, two elbow dislocations, two radial head and neck fractures, and one medial (...) for the treatment of type III coronoid process fractures. Any associated injuries to the elbow and fracture comminution were considered as important prognostic factors.

2005 Journal of Trauma

171. Fractures of the coronoid process of the ulna. (PubMed)

Fractures of the coronoid process of the ulna. The coronoid process is critical to elbow stability and is vulnerable during injury. Traumatic elbow injures are relatively uncommon, so it is important for surgeons to be mindful of the importance of specialized treatment of the coronoid for optimal elbow function. Optimal coronoid fracture fixation is determined by fracture morphology, which can usually be predicted based on the overall pattern of injury. There is evidence that improved (...) understanding of coronoid fractures and their management is improving the results of treatment.

2006 Journal of Hand Surgery - American

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