DISTAL RADIAL FRACTURES - Alpha Hand Surgery Centre · 2019-01-18 · Distal Radius Fractures L. R....
Transcript of DISTAL RADIAL FRACTURES - Alpha Hand Surgery Centre · 2019-01-18 · Distal Radius Fractures L. R....
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DISTAL RADIAL FRACTURES
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● One of the most common injuries of the upper extremity
● 1/6 all fractures treated in the ER ● Many subgroups ● Therapeutic challenge - no unanimity
about treatment ● Significant disability - variable outcome
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Distal Radius Fracture Complications (31%)
● Persistent neuropathies ● Malposition/malunion/nonunion ● Radiocarpal/Radioulnar arthrosis ● Loss of reduction/radial length ● Limited wrist motion ● Early Degenerative Joint Disease Cooney et al, J Bone Jt Surg 1980; 62A, 613-18
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Considerable Excellent Disability Function
Variability Outcome
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Incidence: Distal Radius Fracture
● Common skeletal injury ● Approximately 200,000/year ● 16% of all fractures treated in ER Ark and Jupiter - Ortho Clin North Am 1993; 24: 205-20
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● Colles 1814 ● Pouteau 1783 ● Barton 1838 ● Goyrand ● Smith
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“...the deformity will remain undiminished throughout life, the limb will at some
remote period enjoy perfect freedom in all its motions and will be completely exempt
from pain.” Abraham Colles, 1814
On the fracture of carpal extremity of the radius. Edinburgh Med Surg Journal
1814:10:182-186
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Outcome Measurement
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VARIABILITY
Spectrum of conditions
Low energy High energy Extraarticular Complex intraarticulate
No associated Ligamentous injury ligamentous injury
Elderly Young Osteoporotic Well mineralized bone
Female Male
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Ultimate Anatomical functional restoration of result the fracture
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Important Radiological Parameters
● Radial Length ● Volar Tilt ● Radial Inclination ● DRUJ Congruity ● Significant Ulnar Styloid Fracture
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Loss of Radial Length● Incongruent DRUJ - painful
restriction of motion ● Ulnar abutment ● Ulnar head subluxation
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Malalignment● Limitation of motion Fernandez 1993
● Changes in load distribution Short et al.1987
● Midcarpal Instability Taleisnik & Watson 1984
● Increased Risk of OA
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McQueen & Caspers, 1988 Jenkins & Mintowt-Czyz, 1988Stewart, Innes & Burke, 1985
Functional Results Correlate with Anatomy
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Conservative Treatment
● Casting maintains reduction in only 33% of cases Collert, Clin Orthop 1978; 135: 183 -86
● Loss of reduction associated with
• Unstable fracture • Significant displacement • Extensive dorsal comminution
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Distal Radius Fracture Loss of Reduction in Plaster Immobilization
● Early loss 2-60% ● 25 pts with severely displaced fractures treated
by casting 80% had some loss of reduction Howard et al, JBJS 71B, 1989 ● 100 pts treated with plaster immobilization
71% had dorsal angulation, 47% shortening of the radius, and 32% loss radial inclination
Altissimi et al, Inter Ortho 18, 1994
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● 20° dorsal tilt - decreased grip strength and endurance
(Jenkins et al. JBJS 1987)
● Radial inclination decreased 10° or less - abnormal loading
patterns on articular surface
● Alteration DRUGJ mechanics
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Final dorsal angle compared with dorsal angle after reduction in fifty eight severely fractures
(original angle of 40° or more) Final Dorsal Angle (Degrees)
Residual dorsal < 10 10-19 20-29 >=30 Total (%) angle degree
<10 10 9 8 1 28 (48.3) 10-19 2 5 6 9 22 (37.9) > = 20 0 1 3 4 8 (13.8)
TOTAL(%) 12(21) 15(26) 17(29.3) 14(24.1) (Van der Linden & Ericson, 1981)
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● Shortening 1mm 50% risk ● Symptoms
• Radial angulation 5° difference increased risk of symptoms 90%
• Dorsal angulation 10° difference increased risk of symptoms 80%
Risk of DRUJ DJD
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Accepted Treatment● “One hundred fractures of the distal
radius with dorsal displacement were treated by closed reduction and a plaster cast.”
● Dorsal angulation occurred in 71 patients ● Radial shortening occurred in 47 patients ● Flattening of the radial angle occurred in
32 patients Altissimi et al, Inter Ortho 1994;18: 61-65
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Effects of Distal Radius Fracture Malunion on Joint Mechanics
● A cadaveric study employing Fuji pressure sensitive film to evaluate stress on simulated distal radius fracture malunions
● > 2mm shortening increases load to lunate fossa ● >20° volar/dorsal tilt from normal shifts load to
the dorsal lip of the radius and small areas of high load concentration
Pogue et al, JHS 15A, 1990
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Immobilization Distal Radius Fracture Loss of Reduction in Plaster
● Remanipulation often leaves residual deformity
McQueen, JBJS 68B, 1986
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● Extra articular fractures
● Risk of radiocarpal DJD: ● Shortening - 1mm 20% risk 2mm 50% risk
● Dorsal angulation
Malmo Sudy
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Extraarticular Intraarticular Fracture Fracture Degenerative DRUJ 25% 25%
Degenerative RCJ 21% 40.5% p<0.05
Malmo Study
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Loss of Reduction Results in● Dorsal angulation/loss of radial
inclination ● Shortening of radius
• Ulnar impaction ● Distal radial ulnar joint (DRUJ)
incongruity • DRUJ arthritis/instability
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Conservative Treatment
● Casting maintains reduction in only 33% of cases Collert, Clin Orthop 1978; 135: 183 -86
● Loss of reduction associated with
• Unstable fracture • Significant displacement • Extensive dorsal comminution
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Congruity No Congruity Degenerative DRUJ 18% 46%
Degenerative RCJ 29% 69% p, 0.001
Malmo Sudy
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● Radiographic Evidence of Arthritis ● 100% patients with articular
incongruity > 2mm ● 11% patients with no articular
incongruity (Knirk & Jupiter: JBJS 68A:647-659, 1986)
Intraarticular Fractures
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● Experimental - Baratz et al, 1993
● Clinical - Cooney et al, 1979 Jenkins et al, 1987
Knirk & Jupiter, 1986 Stewart, Innes, Burke, 1985 McQueen & Capenl, 1988
Kopylov, 1983
Articular Congruity
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A. Closed B. Open
Osteoporotic bone Pathological fracture
Associated wrist condition
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ClassificationFirst Layer: Condition of the bones
and wrist joint
– n: normal – o: osteoporotic (based on mc index) – p: pathological fracture – r: preexisting wrist pathology (e.g.
SLAC wrist)
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Third Layer: Anatomical description of the fracture, carpal bone and ligament injuries
I. Extraarticular II. Intraarticular w: stable DRUJ/no carpal fractures or ligament injuries x: unstable DRUJ/no carpal fractures or ligament injuries
y: stable DRUJ/with carpal fractures or ligament injuries
z: unstable DRUJ/ with carpal fractures or ligament injuries
Classification
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Second Layer: Soft Tissue Injury ! A: CLOSED
B: OPEN
Classification
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I. Extraarticular
• S. STABLE • U. UNSTABLE
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● Greater than 20° angulation ● Greater than 10 mm of axial radial
shortening ● Greater than 2 mm articular incongruity ● Extensive comminution of dorsal cortex ● Comminuted of dorsal & volar cortoces
Criteria for Instability
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● Irreducible fracture ● Loss of reduction ● Open fracture ● Bilateral fracture ● Polytrauma fracture
Criteria for Instability
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The Ulson Device in the Management of Unstable Distal Radius Fractures
L. R. Scheker, MD T. Wolff, MD A. Gupta, MD D. Cautilli, MD A. Mejia, MD
Christine M. Kleinert Institute for Hand & Microsurgery Division of Hand Surgery
University of Louisville School of Medicine Louisville, Kentucky
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I. Extraarticular
• S. STABLE • U. UNSTABLE
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● Clinical Findings • Supination: mean, 70° • Pronation: mean, 81° • Grip Strength: 63% of contralateral side
Results
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Results
● Clinical Findings • Dorsiflexion: mean, 46°
• Volar flexion: mean, 48°
• Radial deviation: mean, 16°
• Ulnar deviation: mean, 22°
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Patient Population and Method
● From 1987 to 1996 ● 97 fractures, 96 patients ● 41 males, 55 females ● Mean age 60 (range, 14-96) ● Pre- and postoperative radiographs
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ConclusionIn closed-reduction fractures, the Ulson device • Simple and inexpensive ($150-$200) • Minimal complications • Easy removal (under anesthesia) • Useful adjunct to management of distal radius fractures
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Current Surgical Options● Rush rods ● Percutaneous k-wires ● Intrafocal k-wires ● ORIF ● Plates ● External fixation ● Pins and plaster
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II. Intraarticular1. CORONAL: i. Palmar; ii. Dorsal 2. SAGITTAL: i. Scaphoid fossa;
ii. Lunate fossa; iii. Scapholunate ridge 3. BOTH CORONAL & SAGITTAL:
i. 3 part; ii. 4 part 4. AXIAL (Die Punch) 5. Intraarticular DRUJ only 6. COMMINUTED: 5 or more parts
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Results
Radiographic Findings (at final exam) • Radial inclination: mean, 24°
• Loss of radial length: mean, -0.54mm
• Volar tilt: mean, 14°
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Conclusion:
● Provides intramedullary fixation ● Restores radial length ● Maintains radial and volar tilt ● Maintains reduction--wide age range and Frykman Types
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Complications of External Fixator
● Over distraction ● Pin tract infection ● Wrist stiffness ● Fractures: Metacarpal Radial ● Collapse after removal Edwards et al, J Bone Jt Surg, 1991;73A: 1241-1250
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After T. G. Huff
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Coronal Dorsal ORIF Volar No bone grafting
Buttress plate only
Intraarticular
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After T. G. Huff
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II. Intraarticular1. CORONAL: i. Palmar; ii. Dorsal 2. SAGITTAL: i. Scaphoid fossa;
ii. Lunate fossa; iii. Scapholunate ridge 3. BOTH CORONAL & SAGITTAL:
i. 3 part; ii. 4 part 4. AXIAL (Die Punch) 5. Intraarticular DRUJ only 6. COMMINUTED: 5 or more parts
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II. Intraarticular1. CORONAL: i. Palmar; ii. Dorsal 2. SAGITTAL: i. Scaphoid fossa;
ii. Lunate fossa; iii. Scapholunate ridge 3. BOTH CORONAL & SAGITTAL:
i. 3 part; ii. 4 part 4. AXIAL (Die Punch) 5. Intraarticular DRUJ only 6. COMMINUTED: 5 or more parts
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After T. G. Huff
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After T. G. Huff
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● Prevents pin migration ● Allows mobilization of hand ● Promotes rotational stability ● Allows lateral compression of fractures
Conclusion:
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