Parrying fracture

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Classification according to ICD-10
S52 Fracture of the forearm
S52.2 Fracture of the ulnar shaft
ICD-10 online (WHO version 2019)

A parrying fracture is a flexural fracture in which, usually through direct force, an isolated fracture of the ulna in the shaft area occurs.

Emergence

The name "parrying fracture" is derived from the mechanism of its origin. Parry fractures usually result from a blow to the middle of the forearm, for example as part of a defensive movement by a person attacked with a baton. By lifting and bending the arm slightly, the blow hits the forearm shaft of the ulna directly and causes a fracture in this area. In the Anglo-American language area, instead of the older name “parrier fracture” coined by L. Böhler , derived from the sport of fencing ( parrying ), the name “nightstick fracture” (rubber stick fracture) is used more often.

Diagnosis

As a rule, the clinical examination results suggest a suspected fracture, conventional X-rays of the forearm with both adjacent joints are usually clear and show the type and extent of the fracture. Further diagnostics ( CT , MRT ) are usually not required.

therapy

The usual methods of bone fracture treatment are used for therapy, depending on the type of fracture and the extent of the accompanying soft tissue damage: While a conservative treatment in an upper arm cast is often sufficient for simple, unshifted transverse or short oblique fractures, severely displaced fractures, fractures or fragmentary fractures usually require one ostesynthetic care, whereby intramedullary wire osteosynthesis is often used in children and plate osteosynthesis is more often used in adults . The external fixator is used for extensive soft tissue damage - which is found in the immediate fracture area in these fractures - or for open fractures .

Individual evidence

  1. Gerlind Souza-Offtermatt: Intensive Surgery Course . Urban & Fischer Verlag / Elsevier GmbH, May 2004, ISBN 3-437-43490-X , p. 388)
  2. a b P. Lee et al .: Musculoskeletal Colloquialisms: How Did We Come Up with These Names? In: Radiographics. 2004 Jul-Aug; 24 (4), pp. 1009-1027. PMID 15256625
  3. ^ Fred A. Mettler: Clinical radiology: basic knowledge for all areas . Urban & Fischer Verlag / Elsevier, December 2005, ISBN 3-437-24100-1 , p. 290.
  4. L. Böhler: The treatment of fractures. Grune & Stratton, New York 1956, p. 787.
  5. ^ J. Frank, H. Jakob, I. Marzi, H. Pralle: Unterarm . In: H.-P. Scharf, A. Rüther et al. (Ed.): Orthopedics and trauma surgery . Specialist knowledge according to the new training regulations. 1st edition. Urban & Fischer bei Elsevier, Munich 2009, ISBN 978-3-437-24400-1 , Chapter 27.2 "Forearm shaft fracture", p. 513-525 .

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