Orthonotes
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v3.0 Fusion
v3.0 Fusion
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Hertel Predictors — Proximal Humerus Ischemia

Medial hinge disruption >2 mm, anatomic neck fracture, head-splitting → high AVN risk. Assists decision towards arthroplasty in ischemic patterns.

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Medial hinge disruption >2 mm, anatomic neck fracture, head-splitting → high AVN risk. Assists decision towards arthroplasty in ischemic patterns.
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Question 1

Which of the following Hertel predictors indicates the highest risk of avascular necrosis (AVN) of the humeral head?

Question 2

What is the significance of a medial hinge disruption greater than 2 mm in proximal humerus fractures?

Question 3

Which anatomical structure is primarily responsible for the blood supply to the humeral head?

Question 4

In the context of Hertel predictors, what does a head-splitting fracture indicate?

Question 5

What is the clinical implication of identifying a fracture with an anatomic neck involvement in the context of AVN risk?

Question 6

What radiological measurement is essential in assessing the risk of humeral head ischaemia in proximal humerus fractures?

Question 7

Which classification system is widely used for categorizing proximal humerus fractures?

Question 8

When is primary arthroplasty preferred over fixation in proximal humerus fractures?

Question 9

What factor increases the likelihood of fixation failure in proximal humerus fractures?

Question 10

What is the purpose of Hertel's predictors in the management of proximal humerus fractures?