Fracture of Distal Radius 席智杰

Fracture of Distal Radius

Zhi-jie Xi,MD

Department of Orthopaedics，Shanghai Guanghua Hospital of Integrated Traditional Chinese and Western

Outlines

Epidemiology Anatomy and biomechanics Radiographical and arthroscopic evaluation Classification Criteria for acceptable reduction predictors of instability Complication AAOS-guidelines Debates

Epidemiology

Frequency

Distal radial fractures account for 1/6 of all fractures seen in the ED Race No racial preferences have been reported Age Peaks at ages 5-14 years and at ages 60-69 years. 81% 5years, a peak incidence 12–14 years in boys 10–12 in girls Young patients intra-articular Elderly patients extra-articular Gender Postmenopausal women, the ratio 4:1 Adolescent boys and girls, the ratio is 3:1

Anatomy

volar radial tuberosity

lunate facet buttress

PQ = Pronator Quadratus Line, or PQ Line WS = Watershed Line, X = Volar Radial Tuberosity VR = Volar Radial Ridge

Watershed Line

The arrow marks the most volar portion of the radius, called the Watershed Line

Pronator Quadratus Line

Distal radial fracture elements

Biomechanics

Radiographic Assessment

X-ray CT MRI Arthroscopic evaluation

X-ray

on PA view

on PA view

Lateral view