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Classification of fractures in general
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Classification of fractures in general


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fracture classifications in general orthopaedics

fracture classifications in general orthopaedics

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  • 1.  Define term the term fracture, dislocation and Subluxation  Identify the general causes, signs , symptoms of fractures  Classify the different types of fractures
  • 2. What is fracture(#)? common causes of fractures  Fall from a height  car accidents  Direct blow  Repetitive forces  Pathology a BREECH in the continuity of a bone
  • 3.  Swelling or OEDEMA  pain and tenderness  Numbness  Bleeding  Broken skin with bone protruding Limitation to move a limb Signs and Symptoms
  • 4. Why Classify? • As a treatment guide • To assist with prognosis • To speak a common language with other surgeons
  • 5. As a Treatment Guide • If the same bone is broken, the surgeon can use a standard treatment • PROBLEM: fracture personality and variation with equipment and experience
  • 6. To Assist with Prognosis • You can tell the patient what to expect with the results • PROBLEM: Does not consider the soft tissues or other compounding factors
  • 7. To Speak A Common Language • This will allow results to be compared • PROBLEM: Poor interobserver reliability with existing fracture classifications
  • 8. Intraobserver Reliability For a given fracture, each physician should produce the same classification
  • 9. CLASSIFICATION • Based on Relationship with the environment • Based on Displacement • Based on Fracture pattern • Based on Etiology
  • 10. CLASSIFICATION Based on relationship with the environment 1. CLOSED { Simple} 2. OPEN {Compound} – within _ without
  • 11. Closed Fractures • Fracture is not exposed to the environment • All fractures have some degree of soft tissue injury • Don’t underestimate the soft tissue injury as this affects treatment and outcome!
  • 12. Open Fractures • A break in the skin and underlying soft tissue leading to a communicating fracture hematoma
  • 13. Gustillo classification • The Gustillo classification is used to classify open fracture - ones in which the skin has been disrupted • Three grades that try to quantify the amount of soft tissue damage associated with the fracture Grade 1— <1cm wound Grade2 — >1cm wound Grade 3— subgrades A,B,C
  • 14. CLASSIFICATION Based on Displacement 1. UNDISPLACED 2. DISPLACED – • Initial impact • Pull of surrounding muscles / gravity
  • 15. Displacement - Translation • Translation is sideways motion of the fracture - usually described as a percentage of movement when compared to the diameter of the bone -- --- -------direction of distal fragment decides
  • 16. Displacement - Angulation • Angulation is the amount of bend at a fracture described in degrees. Described with respect to the apex of the angle .
  • 17. Displacement - Shortening • Shortening is the amount a fracture is collapsed/ shifted proximally, expressed in centimeters.
  • 18. CLASSIFICATION Based on fracture pattern 1. Transverse 2. Oblique 3. Spiral 4. Comminuted 5. Segmental 6. Stellate
  • 19. Transverse Fracture A fracture in which the # line is perpendicular to the long axis of the bone . Oblique Fracture A fracture in which the # line is at oblique angle to the long axis of the bone. According to the Path of the # Line Fracture Types
  • 20. Spiral Fracture A severe form of oblique fracture in which the # plane rotates along the long axis of the bone. These #s occur secondary to rotational force. According to the Path of the # Line Fracture Types
  • 21. Anatomical classification of fractures Fractures Comminuted # : The bone is broken into many fragments. Stellate fracture: This # occurs in the flat bones of the skull and in the patella, where the fracture lines run in various directions from one point.
  • 23. CLASSIFICATION PATHOLOGICAL • --- Tumors • --- Bone cysts • --- Osteomyelitis • --- Osteoporosis • --- Osteogenesis imperfecta • --- Rickets etc
  • 24. AO/OTA Classification • Describing the fracture localization: bones and segments • 1Humerus • 2Radius/ulna • 3Femur • 4Tibia/fibula
  • 25. AO/OTA Classification • The identification of the respective segment needs a little more consideration. Each long bone has three segments: • 1 Proximal end segment • 2 Diaphyseal segment • 3 Distal end segment
  • 26. CLASSIFICATION Based on eponyms : • Colles’ # :: Dinner fork deformity • Monteggia # D/L :: # proximal 1/3 shaft ulna with dislocation of head of radius • Galeazzi # D/L :: # Distal 1/3 shaft Radius with dislocation of distal radioulnar joint • Jone’s # :: Avulsion # of base of 5th metatarsal • Green stick # :: unicortical # with bent bones in children
  • 27. Anatomical classification of fractures Impacted fracture: This # where a vertical force drives the distal fragment of the fracture into the proximal fragment. Fracture Types Depressed fracture: This # occurs in the skull where a segment of bone gets depressed into the cranium.
  • 28. Avulsion fracture: This is one, where a chip of bone is avulsed by the sudden and unexpected contraction of a powerful muscle from its point of insertion, Examples 1. ASIS Avulsion 2. JONE’S 5th MT base Avulsion Fracture Types Anatomical classification of fractures
  • 29. • Stress fracture : • It is a fracture occurring at a site in the bone subject to repeated minor stresses over a period of time. • Birth fracture: • It is a fracture in the new born children due to injury during birth
  • 30. History of Fracture Classification • 18th & 19th century – History based on clinical appearance of limb alone Colles Fracture Dinner Fork Deformity
  • 31. Salter-Harris Classification • Only used for pediatric fractures that involve the growth plate (physis) • Five types (I-V)
  • 32. Salter-Harris type I fracture • Type I fracture is when there is a fracture across the physis with no metaphysial or epiphysial injury
  • 33. Salter-Harris type II fracture • Type II fracture is when there is a fracture across the physis which extends into the metaphysis
  • 34. Salter-Harris type III fracture • Type III fracture is when there is a fracture across the physis which extends into the epiphysis
  • 35. Salter-Harris type IV fracture • Type IV fracture is when there is a fracture through metaphysis, physis, an d epiphysis
  • 36. Salter-Harris type V fracture • Type V fracture is when there is a crush injury to the physis
  • 37. What about CT scans & MRI ? • CT scanning can assist with fracture classification • Example: Sanders classification of calcaneal fractures
  • 38. What is Dislocation? Joints Dislocation Is the total displacement of the articular end of a bone from the joint cavity. Subluxation : Is an incomplete displacement. Reduction : Is the restoration of the normal alignment of the bones. Classification: Dislocations are classified as follows: A. Congenital B. Traumatic C. Pathological D. Paralytic
  • 39. PIP Joint Subluxation Elbow joint Dislocation. Dislocation & Subluxation (Sample Radiographs)
  • 40. Thank You!