A2 when the fracture is intra-articular, B1 when the fracture is extra-articular. Traditionally, treatment has been based on the following classification. Occurs in 80% of clavicle fractures, making it the most common type off fracture. Traditional treatment of midsha … Type A. A1 when the … Difficulty br… The most common mechanism is an indirect one in which the athlete falls onto the lateral shoulder, causing a … The former is extensive, well structured and includes the Allman classification, but is made up of large chunks of … Classification of Fracture. Check for errors and try again. (2017), fractures involving a single facial buttress, Meyers and McKeevers classification (anterior cruciate ligament avulsion fracture), Watson-Jones classification (tibial tuberosity avulsion fracture), Nunley-Vertullo classification (Lisfranc injury), pelvis and lower limb fractures by region, Distal clavicular fractures (AO classification), Distal clavicle fractures (AO classification), AO classification of distal clavicular fractures. Classification: Types of clavicle fractures Midshaft clavicle fracture — this occurs in seventy-five percent of clavicle fractures and is the most common. Background: Fractures of the distal third of the clavicle represent 10-30% of all clavicle fractures . Look for angulation and/or displacement of the fracture. 1). Treatment of distal clavicle fracture: a systematic review of treatment modalities in 425 fractures. (2014) Journal of clinical orthopaedics and trauma. Clavicle fractures may be caused by direct or indirect trauma. B2 when the fracture is comminuted, C1 when the fracture is extra-articular. ... For example, if patients have a distal clavicle fracture with superior displacement of the proximal fragment, they should be referred to an orthopedic surgeon for consideration of surgical repair of the coracoclavicular ligament. Distal clavicle fractures are traumatic injuries usually caused by direct trauma to the shoulder from a fall in adults. More than two-thirds of cases are due to a fracture in the middle third of the clavicle (group I of the Allman classification). {"url":"/signup-modal-props.json?lang=us\u0026email="}, {"containerId":"expandableQuestionsContainer","displayRelatedArticles":true,"displayNextQuestion":true,"displaySkipQuestion":true,"articleId":74187,"mcqUrl":"https://radiopaedia.org/articles/neer-classification-of-clavicle-fractures/questions/1890?lang=us"}. The coracoclavicular ligament is a vertical stabilizing structure for the acromioclavicular joint and plays an integral part in clavicle fracture classification. to the undersurface of the medial clavicle at its costal tuberosity, and this insertion is often mistaken for medial clavicle fractures (Figure 5) [4]. Oblique 4. Check for errors and try again. When describing a clavicle fractures note the location of the fracture along the shaft. ADVERTISEMENT: Radiopaedia is free thanks to our supporters and advertisers. The most commonly encountered fractures, those of the middle third or midshaft of the clavicle, are classified as group I. Fractures of the distal third or acromial end of the clavicle are classified as group II, and fractures of the medial third or sternal end are classified as group III. Illustration of the Neer classification of distal clavicle fractures. The compendium is branded as the AO/OTA or OTA/AO Fracture and Dislocation Classification Compendium. Clavicle Fractures 2. Gustilo Anderson classification (compound fracture), longitudinal versus transverse petrous temporal bone fracture, naso-orbitoethmoid (NOE) complex fracture, cervical spine fracture classification systems, AO classification of upper cervical injuries, Roy-Camille classification (odontoid process fracture ), subaxial cervical spine injury classification (SLIC), thoracolumbar spinal fracture classification systems, AO classification of thoracolumbar injuries, thoracolumbar injury classification and severity score (TLICS), Rockwood classification (acromioclavicular joint injury), Neer classification (proximal humeral fracture), AO classification (proximal humeral fracture), Milch classification (lateral humeral condyle fracture), Weiss classification (lateral humeral condyle fracture), Bado classification of Monteggia fracture-dislocations (radius-ulna), Mason classification (radial head fracture), Frykman classification (distal radial fracture), Hintermann classification (gamekeeper's thumb), Eaton classification (volar plate avulsion injury), Keifhaber-Stern classification (volar plate avulsion injury), Judet and Letournel classification (acetabular fracture), Harris classification (acetebular fracture), Young and Burgess classification of pelvic ring fractures, Pipkin classification (femoral head fracture), American Academy of Orthopedic Surgeons classification (periprosthetic hip fracture), Cooke and Newman classification (periprosthetic hip fracture), Johansson classification (periprosthetic hip fracture), Vancouver classification (periprosthetic hip fracture), Winquist classification (femoral shaft fracture), Schatzker classification (tibial plateau fracture), Lauge-Hansen classification (ankle injury), Danis-Weber classification (ankle fracture), Berndt and Harty classification (osteochondral lesions of the talus), Sanders CT classification (calcaneal fracture), Hawkins classification (talar neck fracture), anterior superior iliac spine (ASIS) avulsion, anterior cruciate ligament avulsion fracture, posterior cruciate ligament avulsion fracture, avulsion fracture of the proximal 5th metatarsal, minimally displaced fracture line sits lateral to the coracoclavicular ligaments, fracture is medial to the coracoclavicular ligament with significant displacement of the medial portion, the fracture occurs between coracoclavicular ligament resulting in the conoid ligament torn and the trapezoid ligament intact, intra-articular distal clavicular fracture extending into the acromioclavicular joint, medial portion clavicle becomes displaced in the superior direction as the periosteal sleeve becomes avulsed from the inferior cortex, comminuted fracture with medial clavicle displacement, inferior clavicle fragment attached to the coracoclavicular ligament. Nordqvist A, Petersson C: The incidence of fractures of the clavicle.Clin Orthop … Fractures of the clavicle in the adult EPIDEMIOLOGY AND CLASSIFICATION C. M. Robinson From the Royal Infirmary of Edinburgh, Scotland From 1988 to 1994 a consecutive series of 1000 fractures of the adult clavicle was treated in the Orthopaedic Trauma Clinic of the Royal Infirmary of Edinburgh. Allman (3) has classified clavicle fractures based on three anatomic regions (Fig. Primary treatment Operative treatment methods were divided into fixation with anatomical plates, standard plates, hook plates, intramedullary fixations and other methods. The acromioclavicular (AC) joint remains intact. (2020) RadioGraphics. 15% of clavicle fractures 3. treatment is controversial but may be nonoperative or operative based on the degree of displacement and patient factors. Clinical signs and symptoms of clavicle fracture include the following: 1. Richard E. Buckley, Christopher G. Moran, Theerachai Apivatthakakul. Type III intra-articular distal clavicular fracture extending into the acromioclavicular joint conoid ligament intact trapezoid ligament intact Sambandam B, Gupta R, Kumar S, Maini L. Fracture of distal end clavicle: A review. Group 2 1. Abrasion over the clavicle may be noted, suggesting that the fracture was from a direct mechanism 5. Unable to process the form. More recently, however, several studies have questioned if more clavicle fractures should be treated surgically. The original classification by Neer in the 1960s described two types of distal clavicle fractures: type I, in which the coracoclavicular ligaments remain intact; and type II, in which the coracoclavicular ligaments are torn from the medial fragment and only the trapezoid ligament remains attached to the lateral fragment.23 The classification was later revised to include type III fractures, which involve extension into the AC joint; type IV fractures, which are seen in children and involve disruption of the periosteal sleev… The AO classification of clavicular fractures along with the Neer classification system is one of the more frequently used classification systems when assessing distal clavicular fractures. Fractures of the clavicle is typically described using the Allman classification system, dividing the clavicle into 3 groups based on location which was later revised by Neer(in which Group II was further classified into 3 types). The most common type of fracture occurs when a person falls horizontally on the shoulder or with an outstretched hand. IIB – Conoid torn, trapezoid attached to the distal fragment. Clavicle fractures 1. Diagnosis of midshaft clavicle fractures is generally straight forward based on history, examination and radiology. 1. The shoulder may appear shortened relative to the opposite side and may droop 3. ADVERTISEMENT: Radiopaedia is free thanks to our supporters and advertisers. Transverse 2. The classification system, broken into three categories focuses on the displacement and pattern of the fracture and the integrity of the coracoclavicular ligaments. The Neer classification of clavicular fractures along with the AO classification system is one of the more frequently used classification systems when assessing clavicular fractures. Infants can sometimes break their collarbones during the birth process.Seek prompt medical attention for a broken collarbone. II: Fracture line medial to coracoclavicular ligaments resulting in greater fracture displacement and higher incidence of nonunion. Crepitus from the fracture ends rubbing against each other may be noted with gentle manipulation 6. 5 (2): 65-73. In 1967 Allman8described the following classification system for all clavicle fractures based on location: Group I represented fractures of the middle third, which was the most frequent site of fracture (80%). FRACTURES OF THE CLAVICLE Le Kim Trong MD., Le Nghi Thanh Nhan MD. Classification. further subdivided Group II fractures into three distinct subgroups based on associated soft-tissue and ligamentous injuries. 1. The clavicle acts to transmit forces from the upper limb to the axial skeleton. {"url":"/signup-modal-props.json?lang=us\u0026email="}, {"containerId":"expandableQuestionsContainer","displayRelatedArticles":true,"displayNextQuestion":true,"displaySkipQuestion":true,"articleId":74186,"mcqUrl":"https://radiopaedia.org/articles/ao-classification-of-clavicle-fractures/questions/1890?lang=us"}. 3. The proximal and distal ends of the clavicle are secured by the intact ligamentous and muscular attachments. The clavicle is the most commonly broken bone in the human body, accounting for up to 5% to 10% of all fractures seen in hospital emergency admissions. The Allman Classification of clavicle fractures separates the segments into thirds. Allman Classification 1 Group I – Middle 1/3 Clavicle Fracture (80% of all clavicle fractures) Majority are non-operative except in cases of 100% displacement (essentially, a fracture where the two fragments do not overlap in a plane) Middle 1/3 clavicle fracture Distal 1/3 fractures 2. (2011) Archives of orthopaedic and trauma surgery. Group I: Fractures of the middle third or midshaft fractures (the most common site), Stellate- Line of fracture radiate from a point Oblique- Line of fracture is oblique Spiral- Line of fracture is Spiral In light of this, ORIF is indicated. IIA – Both ligaments (conoid and trapezoid) attached to the distal fragment. A direct hit to the collarbone can also cause a break. Group 1 1. IIA : Conoid and trapezoid attached to distal fragmetnt 2. The patient may cradle the injured extremity with the uninjured arm 2. Type II – Displaced fractures, fracture medial to the coracoclavicular ligaments. 1. Fractures of the middle third, or midshaft, are the most common, accounting for up to 80% of all clavicle fractures. Dyan V. Flores, Paola Kuenzer Goes, Catalina Mejía Gómez, Darwin Fernández Umpire, Mini N. Pathria. Classification. - See: - Clavicular Frx in Children / Congential Pseudoarthrosis of Clavicle - AC joint / Sternoclavicular Joint Injury / Scapula Fracture - Discussion and Classification - Exam Findings: - brachial plexus - ref: Injury to the brachial plexus by a fragment of bone after fracture of the clavicle - Radiology: Thus, assessment of the stability is essential for adequate treatment of these fractures. Epidemiology. Fracture classification Clavicle fractures were classified according to Robinson’s classification system for registration in the SFR (Fig. 40 (5): 1355-1382. fractures involving a single facial buttress, Meyers and McKeevers classification (anterior cruciate ligament avulsion fracture), Watson-Jones classification (tibial tuberosity avulsion fracture), Nunley-Vertullo classification (Lisfranc injury), pelvis and lower limb fractures by region, Distal clavicular fractures (Neer classification), Distal clavicle fractures (Neer classification), Neer classification of distal clavicular fractures. Stellate 3. In publications, it will be cited as Meinberg E, Agel J, Roberts C, et al. Frequently, these fractures result in instability due to a combination of bony and ligamentous injury. Fracture and Dislocation Classification Compendium–2018, Journal of Orthopaedic Trauma. A broken collarbone is a common injury, particularly in children and young adults. Your collarbone connects the upper part of your breastbone to your shoulder blade. Diagnosis is confirmed with standard shoulder radiographs and a 15° cephalic tilt view (zanca view) Treatment is immobilization or surgery, depending on the displacement and stability of the distal clavicle, as determined by whether coracoclavicular (CC) ligaments (trapezoid and conoid) are … There are two articles on the e-medicine website: ‘Clavicle Fractures’ in the orthopaedic section and ‘Fractures, Clavicle’ in the emergency medicine section. Most heal well with ice, pain relievers… 131 (4): 525-33. incidence. The most common mechanism of injury is a fall onto the shoulder or onto an outstretched hand. The classification system, broken into five categories communicates both the stability and treatment recommendation of the fracture focusing on the relationship of the fracture to coracoclavicular ligaments and the acromioclavicular joint. 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