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Coronoid Process Fracture

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21. Midterm Results of 58 Fractures of the Coronoid Process of the Ulna and their Concomitant Injuries (PubMed)

Midterm Results of 58 Fractures of the Coronoid Process of the Ulna and their Concomitant Injuries In general, fractures of the coronoid process are rare and usually occur in combination with additional elbow joint injuries. The treatment of these injuries aims to regain a stable as well as a flexible and loadable joint. Although there is currently little evidence, therapy recommendations remain controversial. Therefore, the aim of this study was to prognostically determine relevant factors (...) for therapy recommendation by analysing a representative patient population of two trans-regional trauma centres.Seventy-seven patients with a fracture of the coronoid process were treated within an 8-year period (2001 to 2009). After an average of 48 months (SD 31), treatment outcome of 58 patients (75%) was acquired. The results were statistically analysed.The average age of the patient was 51.8 years (SD 13.6); 36 were male and 34 had a fracture on the right arm. Applying the fracture types

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2013 The open orthopaedics journal

22. Coronoid reconstruction using osteochondral grafts: a biomechanical study. (PubMed)

Coronoid reconstruction using osteochondral grafts: a biomechanical study. The purposes of this study were to test the hypothesis that coronoid deficiency in the setting of posteromedial rotatory instability (PMRI) must be reconstructed to restore articular contact pressures to normal and to compare 3 different osteochondral grafts for this purpose.After creation of a anteromedial fracture, six cadaveric elbows were tested under gravity varus stress using a custom-made machine designed (...) to simulate muscle loads and to passively flex the elbow. Mean articular surface contact pressure data were collected and processed using TekScan sensors and software. After testing of the intact specimen (intact condition), a PMRI injury was created (PMRI condition). Testing was repeated after reconstruction of the lateral collateral ligament (LCL) (LCL-only condition), followed by reconstruction of the coronoid with 3 different osteochondral graft techniques (reconstructed conditions).Contact pressure

2017 Journal of Shoulder and Elbow Surgery

23. The Parametric Model of the Human Mandible Coronoid Process Created by Method of Anatomical Features (PubMed)

The Parametric Model of the Human Mandible Coronoid Process Created by Method of Anatomical Features Geometrically accurate and anatomically correct 3D models of the human bones are of great importance for medical research and practice in orthopedics and surgery. These geometrical models can be created by the use of techniques which can be based on input geometrical data acquired from volumetric methods of scanning (e.g., Computed Tomography (CT)) or on the 2D images (e.g., X-ray). Geometrical (...) -ray). In this paper, Method of Anatomical Features (MAF) which enables creation of geometrically precise and anatomically accurate geometrical models of the human bones is implemented for the creation of the parametric model of the Human Mandible Coronoid Process (HMCP). The obtained results about geometrical accuracy of the model are quite satisfactory, as it is stated by the medical practitioners and confirmed in the literature.

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2015 Computational and mathematical methods in medicine

24. Coronoid Fractures. (PubMed)

Coronoid Fractures. Fractures of the coronoid process of the ulna are usually part of a more complex injury. The type of coronoid fracture corresponds with a specific pattern of injury with known pitfalls and recommended treatments. Tip fractures usually correspond with dislocation of the elbow and fracture of the radial head (the so-called terrible triad of the elbow because it is prone to redislocation, subluxation, and arthrosis) and are best repaired with a suture passed through drill holes (...) along with repair or replacement of the fractured radial head and reattachment of the lateral collateral ligament to the lateral epicondyle. Anteromedial fractures are usually part of a subluxation injury and are best addressed with a medial buttress plate and reattachment of the lateral collateral ligament. Large basilar coronoid fractures are usually part of an olecranon fracture-dislocation and are usually repaired with 1 or 2 plates and screws. Tenuous fixation is protected with temporary

2015 Journal of Orthopaedic Trauma

25. Reconstruction of the coronoid process using the tip of the ipsilateral olecranon. (PubMed)

Reconstruction of the coronoid process using the tip of the ipsilateral olecranon. Autograft reconstruction of the coronoid using the tip of the olecranon has been described as a treatment option for comminuted coronoid fractures or coronoid nonunions that are not repairable. The purpose of this in vitro biomechanical study of the coronoid-deficient elbow was to determine whether coronoid reconstruction using the tip of the ipsilateral olecranon would restore elbow kinematics.An elbow motion (...) simulator was used to perform active and passive extension of six cadaveric arms in the horizontal, valgus, varus, and vertical orientations. Elbow kinematics were quantified with use of the screw displacement axis of the ulna with respect to the humerus. Testing was performed with an intact coronoid, a 40% coronoid deficiency, and a coronoid reconstruction using the tip of the ipsilateral olecranon.Creation of a 40% coronoid deficiency resulted in significant changes (range, 3.6° to 10.9

2014 The Journal of Bone and Joint Surgery. American Volume

26. Fractures of the ulnar coronoid process. (PubMed)

Fractures of the ulnar coronoid process. The ulnar coronoid process plays a central role in elbow stability due to its unique anatomic characteristics. A fracture of the coronoid, although uncommon, represents a serious injury that can adversely affect functional outcome if not treated appropriately. Several surgical interventions addressing different fracture patterns are being increasingly recognised as effective treatment options even for smaller fragments. A review of the literature (...) was performed in order to evaluate different treatment strategies applied to clearly defined fracture configurations. 14 articles reporting data for the management of 236 coronoid fractures met our inclusion criteria and were subjected to critical analysis. The data suggest that recognition of specific coronoid fracture patterns, use of appropriate classification systems and application of staged surgical protocols can stabilise the elbow effectively and lead to favourable outcomes.Copyright © 2011 Elsevier

2012 Injury

27. Coronoid Process Fracture

Coronoid Process Fracture Coronoid Process Fracture Toggle navigation Brain Head & Neck Chest Endocrine Abdomen Musculoskeletal Skin Infectious Disease Hematology & Oncology Cohorts Diagnostics Emergency Findings Procedures Prevention & Management Pharmacy Resuscitation Trauma Emergency Procedures Ultrasound Cardiovascular Emergencies Lung Emergencies Infectious Disease Pediatrics Neurologic Emergencies Skin Exposure Miscellaneous Abuse Cancer Administration 4 Coronoid Process Fracture Coronoid (...) Process Fracture Aka: Coronoid Process Fracture From Related Chapters II. Definition Proximal ulna at the coronoid process III. Physiology Coronoid process is the anterior projection of the olecranon that prevents posterior displacement of the elbow IV. Epidemiology Rare that accompanies 10-15% of s V. Imaging Best seen on lateral view VI. Evaluation Arm neurovascular assessment Radial pulse at elbow at 90 degrees flexion VII. Management management Orthopedic in most cases with persistent instability

2015 FP Notebook

28. Coronoid Fracture (Diagnosis)

Coronoid Fracture (Diagnosis) Coronoid Fracture: Background, Anatomy, Pathophysiology Edition: No Results No Results Please confirm that you would like to log out of Medscape. If you log out, you will be required to enter your username and password the next time you visit. https://profreg.medscape.com/px/getpracticeprofile.do?method=getProfessionalProfile&urlCache=aHR0cHM6Ly9lbWVkaWNpbmUubWVkc2NhcGUuY29tL2FydGljbGUvMTIzMDgxNy1vdmVydmlldw== processing > Coronoid Fracture Updated: Dec 19, 2017 (...) of the anterior capsule. The anterior colliculus of the MCL is the primary stabilizer of the elbow against valgus strain in the functional arc of 20-120° of flexion. This ligament is most likely to become injured with a low coronoid fracture with the elbow in full extension. [ ] A fracture of the coronoid, therefore, results in the loss of all of these supports. The brachialis muscle is attached to the base of the coronoid process. [ ] Dissection of the brachialis during fixation of these fractures

2014 eMedicine Surgery

29. Coronoid Fracture (Follow-up)

Coronoid Fracture (Follow-up) Coronoid Fracture Treatment & Management: Approach Considerations, Medical Therapy, Surgical Therapy Edition: No Results No Results Please confirm that you would like to log out of Medscape. If you log out, you will be required to enter your username and password the next time you visit. https://profreg.medscape.com/px/getpracticeprofile.do?method=getProfessionalProfile&urlCache=aHR0cHM6Ly9lbWVkaWNpbmUubWVkc2NhcGUuY29tL2FydGljbGUvMTIzMDgxNy10cmVhdG1lbnQ= processing (...) Clin . 2015 Nov. 31 (4):547-56. . Ring D, Jupiter JB. Fracture-dislocation of the elbow. Hand Clin . 2002 Feb. 18(1):55-63. . Ring D, Jupiter JB, Zilberfarb J. Posterior dislocation of the elbow with fractures of the radial head and coronoid. J Bone Joint Surg Am . 2002 Apr. 84-A(4):547-51. . Ring D. Fractures of the coronoid process of the ulna. J Hand Surg [Am] . 2006 Dec. 31(10):1679-89. . Wells J, Ablove RH. Coronoid fractures of the elbow. Clin Med Res . 2008 May. 6(1):40-4. . . Steinmann SP

2014 eMedicine Surgery

30. Coronoid Fracture (Treatment)

Coronoid Fracture (Treatment) Coronoid Fracture Treatment & Management: Approach Considerations, Medical Therapy, Surgical Therapy Edition: No Results No Results Please confirm that you would like to log out of Medscape. If you log out, you will be required to enter your username and password the next time you visit. https://profreg.medscape.com/px/getpracticeprofile.do?method=getProfessionalProfile&urlCache=aHR0cHM6Ly9lbWVkaWNpbmUubWVkc2NhcGUuY29tL2FydGljbGUvMTIzMDgxNy10cmVhdG1lbnQ= processing (...) Clin . 2015 Nov. 31 (4):547-56. . Ring D, Jupiter JB. Fracture-dislocation of the elbow. Hand Clin . 2002 Feb. 18(1):55-63. . Ring D, Jupiter JB, Zilberfarb J. Posterior dislocation of the elbow with fractures of the radial head and coronoid. J Bone Joint Surg Am . 2002 Apr. 84-A(4):547-51. . Ring D. Fractures of the coronoid process of the ulna. J Hand Surg [Am] . 2006 Dec. 31(10):1679-89. . Wells J, Ablove RH. Coronoid fractures of the elbow. Clin Med Res . 2008 May. 6(1):40-4. . . Steinmann SP

2014 eMedicine Surgery

31. Coronoid Fracture (Overview)

Coronoid Fracture (Overview) Coronoid Fracture: Background, Anatomy, Pathophysiology Edition: No Results No Results Please confirm that you would like to log out of Medscape. If you log out, you will be required to enter your username and password the next time you visit. https://profreg.medscape.com/px/getpracticeprofile.do?method=getProfessionalProfile&urlCache=aHR0cHM6Ly9lbWVkaWNpbmUubWVkc2NhcGUuY29tL2FydGljbGUvMTIzMDgxNy1vdmVydmlldw== processing > Coronoid Fracture Updated: Dec 19, 2017 (...) of the anterior capsule. The anterior colliculus of the MCL is the primary stabilizer of the elbow against valgus strain in the functional arc of 20-120° of flexion. This ligament is most likely to become injured with a low coronoid fracture with the elbow in full extension. [ ] A fracture of the coronoid, therefore, results in the loss of all of these supports. The brachialis muscle is attached to the base of the coronoid process. [ ] Dissection of the brachialis during fixation of these fractures

2014 eMedicine Surgery

32. Fixation of the coronoid process in elbow fracture-dislocations. (PubMed)

Fixation of the coronoid process in elbow fracture-dislocations. Terrible triad injuries consist of a posterior dislocation of the elbow, a coronoid fracture, and a radial head fracture. The coronoid plays a pivotal role as an anterior buttress, yet the optimal management of the coronoid fracture remains unknown. We hypothesize that suture lasso fixation of the coronoid fracture leads to fewer complications and improved outcomes compared with screw or suture anchor fixation techniques.A (...) retrospective chart review performed at three tertiary care centers identified forty consecutive patients treated for terrible triad injuries of the elbow with a minimum follow-up of eighteen months (mean, twenty-four months; range, eighteen to fifty-three months). All patients were managed with a standard approach consisting of: (1) repair or replacement of the radial head; (2) repair of the lateral ulnar collateral ligament (LUCL) of the elbow; and (3) repair of the coronoid fracture with one of two

2011 The Journal of Bone and Joint Surgery. American Volume

33. Case of Fracture op the Coronoid Process of the Ulna (PubMed)

Case of Fracture op the Coronoid Process of the Ulna 20794038 2011 03 28 2011 03 28 10 32 1846 Aug 12 Provincial medical & surgical journal Prov Med Surg J Case of Fracture op the Coronoid Process of the Ulna. 372 Gillard W W eng Journal Article England Prov Med Surg J 19840680R 2010 8 27 6 0 1846 8 12 0 0 1846 8 12 0 1 ppublish 20794038 PMC2559593

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1846 Provincial Medical and Surgical Journal

34. Mandibular coronoid fractures: Treatment options. (PubMed)

Mandibular coronoid fractures: Treatment options. Fractures of the coronoid process are uncommon and can easily be missed. The purpose of this study was to classify the fracture patterns and explore the treatment options. This retrospective study included 39 patients with fractures of the mandibular coronoid process. Treatment protocols were developed based on the time of fracture, degree of mouth opening, location of the coronoid fracture, types of fracture, and other concomitant fractures (...) , conservative management is first recommended for fractures of the coronoid process with minimal displacement or restriction of mouth opening. For patients with significant fracture displacement and limited mouth opening, or with concomitant fractures of the zygoma, zygomatic arch, or mandibular ramus, ORIF via the modified retromandibular approach through the anterior border of the parotid gland is an alternative treatment method.Copyright © 2013 International Association of Oral and Maxillofacial Surgeons

2013 International Journal of Oral and Maxillofacial Surgery

35. The Effect of a Coronoid Prosthesis on Restoring Stability to the Coronoid-Deficient Elbow: A Biomechanical Study. (PubMed)

The Effect of a Coronoid Prosthesis on Restoring Stability to the Coronoid-Deficient Elbow: A Biomechanical Study. The coronoid process has been recognized as a critical component in maintaining elbow stability. In the case of comminuted coronoid fractures, where repair is not possible or has failed, a prosthesis may be beneficial in restoring the osseous integrity of the elbow joint. The hypothesis of this in vitro biomechanical study was that a coronoid prosthesis would restore stability (...) quantified in the intact state, after collateral ligament sectioning and repair (control state), after a simulated 40% transverse coronoid fracture, and after implantation of the coronoid prosthesis.Internal rotation of the ulna increased with a 40% coronoid fracture in the horizontal and varus positions. Increases in varus angulation after coronoid fracture were also observed in the horizontal and varus positions, during active and passive flexion, respectively. Following implantation of the coronoid

2013 Journal of Hand Surgery - American

36. Terrible Triad Injuries of the Elbow: Does the Coronoid Always Need to Be Fixed? (PubMed)

, higher scores reflecting poorer results). Radiographs revealed mild arthritic changes in one patient. One patient developed radiographically apparent but asymptomatic HO. None of the patients demonstrated instability postoperatively.These findings demonstrate that terrible triad injuries with type I and II coronoid process fractures can be effectively treated without fixation of coronoid fractures when repair or replacement of the radial head fracture and reconstruction of the LUCL complex (...) Terrible Triad Injuries of the Elbow: Does the Coronoid Always Need to Be Fixed? The "terrible triad" of the elbow is a complex injury that can lead to pain, stiffness, and posttraumatic arthritis if not appropriately treated. The primary goal of surgery for these injuries is to restore stability of the joint sufficient to permit early motion. Although most reports recommend repair and/or replacement of all coronoid and radial head fractures when possible, a recent cadaveric study demonstrated

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2014 Clinical Orthopaedics and Related Research

37. Clinical, retrospective case-control study on the mechanics of obstacle in mouth opening and malocclusion in patients with maxillofacial fractures (PubMed)

various risk factors and clinical symptoms. Patients with fractured posterior mandibles tended to experience serious limitation in mouth opening. Patients who sustained coronoid fractures have the highest risk of serious limitation in mouth opening (OR = 9.849), followed by arch fractures, maxilla fractures, condylar fractures, zygomatic complex fractures and symphysis fractures. Meanwhile, the combined fracture of zygomatic arch and condylar process results in normal or mild mouth opening. High risks (...) of sustaining malocclusion are preceded by the fracture of nasal bone (OR = 3.067), mandible, condylar neck/base, combined fracture of zygomatic arch and condylar process, mandibular body, bilateral condylar, dental trauma, mandibular ramus, symphysis, mandibular angle and mid-facial. Patients who experienced serious limitation in mouth opening are treated with surgery more frequently (OR = 2.118). No relationship exists between the treatment options and the patients with malocclusion.

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2018 Scientific reports

38. Operative Treatment of Olecranon Fractures

Eligible for Study: 18 Years to 75 Years (Adult, Older Adult) Sexes Eligible for Study: All Accepts Healthy Volunteers: No Criteria Inclusion Criteria: Patients between the age of 18 and 75 years with an olecranon fracture Mayo type IIA or IIB will be eligible for inclusion. Exclusion Criteria: Patients younger than 18 or older than 75 years of age. Unable to receive oral and written information. Concomitant fracture in the injured extremity. When the olecranon fracture extends distal to the coronoid (...) Operative Treatment of Olecranon Fractures Operative Treatment of Olecranon Fractures - Full Text View - ClinicalTrials.gov Hide glossary Glossary Study record managers: refer to the if submitting registration or results information. Search for terms x × Study Record Detail Saved Studies Save this study Warning You have reached the maximum number of saved studies (100). Please remove one or more studies before adding more. Operative Treatment of Olecranon Fractures The safety and scientific

2017 Clinical Trials

39. Combined open bipolar Monteggia and Galeazzi fracture: a case report with a 1-year follow-up (PubMed)

Combined open bipolar Monteggia and Galeazzi fracture: a case report with a 1-year follow-up Monteggia and Galeazzi fractures account for 1-5% of total forearm fractures. A combined Monteggia and Galeazzi fracture is an extremely rare injury. We present a case of a Gustillo-Henderson type 2 open combined bipolar Monteggia and Galeazzi fracture, as well as fracture of the ulnar coronoid process in a 49-year old male. The patient was treated surgically, with open reduction and internal fixation

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2017 Strategies in trauma and limb reconstruction

40. Anatomic Investigation of Commonly Used Landmarks for Evaluating Rotation During Forearm Fracture Reduction. (PubMed)

radii and ulnae were obtained. Digital representations of the bicipital tuberosity, the radial styloid, the coronoid process, and the ulnar styloid were acquired, and the rotational profiles between respective landmarks were calculated. In order to validate the results and investigate the ability to differentiate rotated osseous positions, each bone was imaged in increments of 10° of rotation and the profile of each landmark was measured.The radial styloid was at a mean of 158° ± 14° of supination (...) relative to the bicipital tuberosity. The ulnar styloid was at a mean of 185° ± 14° of supination relative to the coronoid process. Imaging of the bones in increments of 10° of rotation supported the relationships above. It was also found that a 1-mm difference in profile size corresponded to up to 60° of rotation for the average ulna, compared with 10° for the average radius.Our findings suggest that using the bicipital tuberosity and the radial styloid to assess intraoperative rotation of the radius

2016 The Journal of Bone and Joint Surgery. American Volume

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