Original article from the new england journal of medicine the bennett fracture of the first metacarpal bone. Potts fracture, also known as potts syndrome i and dupuytren fracture, is an archaic term loosely applied to a variety of bimalleolar ankle fractures. The treatment of the fracture described by bennett in. A bennetts fracture is the term for a fracture and dislocation of the base of the thumb, specifically the joint where the first metacarpal bone meets the carpal bones of the wrist called the carpometacarpal. This hand surgery is highly specialized, it derives from arthroscopic surgery for osteoarthritis of the base of the thumb rhizarthrosis. Fractures and related injuries matthew cham medical student university of rochester. Pdf fractures and dislocation of the base of the thumb metacarpal. Injuries to the thumb are predominated by fractures of the proximal phalanx, ligamentous injuries about the. Bennett described the anatomic details of the fracture and suggested. In 1882, edward hallaran bennett, md, described the fracture of the base of the first metacarpal that bears his name. These hand fractures compromise the function of the trapezometacarpal joint, which is the main joint of the thumb. The rolando fracture is a comminuted intraarticular fracture through the base of the first metacarpal bone the first bone forming the thumb. The lower position of the fracture ensures that in almost all cases there is a degree of dislocation to the thumb. The topic of this article may not meet wikipedia s notability guideline for standalone lists.
It is a relatively uncommon fracture but carries a worse prognosis than bennett s fracture. This is a pdf file of an unedited manuscript that has been accepted for publication. Most bennett and rolando fractures are unstable and require surgical intervention. Tibfib fracture jones fracture bennett s fracture straddle fracture. Fracturesbroken bones data fractures, broken bonesyou can call it what you wish, it means the same thingare among the most common orthopedic problems, about 6. A bennetts fracture occurs when the metacarpal bone in the thumb breaks and dislocates at the base of the thumb. Clay matthews broken thumb diagnosed as a benn etts fracture injury can result in serious longterm issues for packers star packers linebacker clay matthews credit. A bennetts fracture is a fracture plus dislocation of the metacarpal bone at the base of the thumb. A bennetts fracture is an intraarticular fracture of the base of the first metacarpal arrow. A simple fracture is one in which there is no contact of the broken bone with the outer air, i.
When this injury occurs, the abductor pollicis longus pulls the. Fracture classification intraarticular i bennett fx ii rolando fx extraarticular iiia transverse iiib oblique iv childrens physeal 3. Because of the obliquity of the fracture line, the obliquity of the metacarpal hamate joint, and the pull of the extensor carpi ulnaris, this fracture dislocation tends to be unstable and to displace, much in the same fashion as the first metacarpal in a bennett. The fracture is unstable, and with inadequate treatment. Bennetts fracture definition of bennetts fracture by. Fractures and dislocations university of cincinnati. The following 8 files are in this category, out of 8 total. The fracture is unstable, and with inadequate treatment leads to osteoarthritis, weakness andor loss of function of the first carpometacarpal joint.
This is an oblique fracture of the base of the first metacarpal the thumb with associated subluxation and fracture of the carpometacarpal articular surfaces. Malunited bennett fracture with pain and disability is an indication for intraarticular osteotomy. A jones fracture is a common type of metatarsal fracture and is the most severe type of fracture that can occur in this bone this fracture takes its name from the orthopedic surgeon, sir. As a service to our customers we are providing this early version of the manuscript. This type of compression along the metacarpal bone. Smith fractures, also known as goyrand fractures in the french literature 3, are fractures of the distal radius with associated volar angulation of the distal fracture fragments. Forces that impact the bent thumb cause this injury. Fractures of the distal radius with volar displacement and angulation of the distal fragment greenspan 1992 618p. Arthroscopic assisted percutaneous screw fixation of bennetts fracture. A bennett fracture is a common injury that involves an intraarticular fracture at the base of the first metacarpal. It is the most common fracture to affect the thumb and is a serious injury. Type i bennett s fracture fracture dislocation of the base of the metacarpal intraarticular base fragment is aligned with trapezium, but distal portion is subluxed.
Le forts fracture of the ankle is a vertical fracture of the anteromedial part of the distal fibula with avulsion of the anterior tibiofibular ligament, opposite to a tillauxchaput avulsion fracture. Full text is available as a scanned copy of the original print version. Sports surgery bennetts fractures arthroscopy of the. In most cases, closed reduction and percutaneous pinning is indicated for bennett fractures. Gedda pointed out that the prognosis for bennetts fracture depends to a great.
It is defined as an intraarticular twopart fracture of the base of the first metacarpal bone. The bennett fracture is an oblique intraarticular metacarpal fracture dislocation, caused by an axial force directed against the partially flexed metacarpal. Essentially the three fragments of the fracture are. A bennett fracture is a fracture of the base of the thumb resulting from forced abduction of the first metacarpal. Clay matthews broken thumb diagnosed as a bennetts fracture. Pdf several techniques are used for fixation of bennetts fractures. Please help to establish notability by citing reliable secondary sources that are independent of the topic and provide. Current management of metacarpal fractures hand clinics.
The width of this mentioned angle affects the localization of the fracture. However, rolandos fracture has come to be used to describe all comminuted thumb metacarpal base fractures. Goyal t conducted the study and compiled the report. Open reduction is indicated when reduction cannot be achieved by closed means more common with rolando fracture. Bennett described the fracture dislocation of the thumb metacarpal that bears his name in 1882 and again in 1886 fig. A bennett s fracture is a fracture plus dislocation of the metacarpal bone at the base of the thumb. Ten male manual laborers, average age 30 years range, 2044 ys with healed bennett fractures greater than 12 weeks from injury average 16, range 1218 ws underwent evaluation of range of motion, grip. Bennetts fracture associated with fracture of trapezium a rare. Get a printable copy pdf file of the complete article 254k, or click on a page image below to browse page. The bennetts fracture is caused by a falling or any types of trauma affecting the patients hand and specifically the thumb joint.
Kjferpetersen from the university department of orthopaedic surgery, aarhus county hospital, denmark the relationship between methods of treatment, quality of reduction and the occurrence of late disability and osteoarthritic changes was studied in 17 rolandos fractures. Get a printable copy pdf file of the complete article 254k, or click on a page image below to browse page by page. In the case of a bennetts fracture it is the proximal bone that fractures. The acumed hand fracture system is designed to provide both standard and fracture specific fixation for metacarpal and phalangeal fractures, as well as fixation for fusions and osteotomies. Articular fractures of the base of the 1 st metacarpal, also known as bennett fractures, are relatively common finger fractures. Bennett fracture is a fracture of the base of the first metacarpal bone which extends into the carpometacarpal cmc joint. This comprehensive system contains plates for fractures of the metacarpal neck, fractures.
Bennetts fracture fracture of the base of the thumb. Bennett s fractures are most commonly the result of a traumatic downwards force through the thumb. Pdf 18 patients with bennetts fracture were evaluated after a mean followup period. Despite a relatively simple appearance on radiographs, bennett fractures are considered unstable in evaluating and treating these fractures positioning the patient with thumb. Bennett fracture article about bennett fracture by the. The full text of this article is available in pdf format. Bennett fracture dislocation is an intraarticular fracture of the base of the first metacarpal with resultant dislocation of the first carpometacarpal joint. Fractures of the 1st metacarpal base at the base of the thumb can damage the joint and lead to arthritis, weakness, and chronic pain. Key words bennett fracture, rolando fracture, thumb, trauma, ulnar collateral ligament injury. The fracture dislocation at the base of the fifth metacarpal is analogous to bennett s fracture of the thumb fig.
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