Pauwel's angle

Pauwel's angle is the angle between the line of a fracture of the neck of the femur and the horizontal as seen on an anterio-posterior radiograph.[1] Pauwel's angle is named after the German orthopedist Friedrich Pauwels.[2]

Clinical Use

An increasing angle leads to a more unstable fracture and an increase in the shear stress at the fracture site. This shear leads to higher rates of nonunion.

Pauwel's Classification

Type	Angle
I	<30°
II	>30°/<50°
III	>50° [3]

References

Joshua Blomberg (3 July 2014). "Femoral Neck Fractures". Orthobullets. Retrieved September 2014. Check date values in: |accessdate= (help)
"History". Unfallchirurgie Universitätsklinikum Aachen. 2014. Retrieved September 2014. Check date values in: |accessdate= (help)
"Misinterpretation of Pauwel's Classification". Bone And Joint. 2014. Retrieved October 2015. Check date values in: |accessdate= (help)

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[Orthobullets-1] Joshua Blomberg (3 July 2014). "Femoral Neck Fractures". Orthobullets. Retrieved September 2014. Check date values in: |accessdate= (help)

[aachen-2] "History". Unfallchirurgie Universitätsklinikum Aachen. 2014. Retrieved September 2014. Check date values in: |accessdate= (help)

[boneandjoint-3] "Misinterpretation of Pauwel's Classification". Bone And Joint. 2014. Retrieved October 2015. Check date values in: |accessdate= (help)