46. Principles Of Angular Limb Deformity Correction at Veterinärmedizinische Universität Wien | Flashcards & Summaries

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Lernmaterialien für 46. Principles of Angular Limb Deformity Correction an der Veterinärmedizinische Universität Wien

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What does the magnitude of the CORA equates ?

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TESTE DEIN WISSEN

the degree of correction required to eliminate the deformity

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What is the transverse bisecting line ?

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TESTE DEIN WISSEN

straight line that bisects the mediolateral pair and runs through the CORA

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Where are positioned the motor of an external skeletal fixator?

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- on the side opposite the hinge axis

- along CORA plane

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TESTE DEIN WISSEN

If the planes of 2 deformities within a bone are in the same direction, magnifying the angulation, how is the directional relationship between the CORAs called?


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TESTE DEIN WISSEN

Noncompensated

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TESTE DEIN WISSEN

Compared to the deviation of the bone, in which direction is the CORA?

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TESTE DEIN WISSEN

Always in the direction opposite to how the bone is deviated

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What is the neutral CORA?

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The point of intersection of the axes of 2 segments of the bone that are angled relative to one another

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TESTE DEIN WISSEN

What are the disadvantages of bone plate and screws?

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TESTE DEIN WISSEN

- Alignment adjustments not possible postoperatively


- Contouring of the plate challenging 


- More extensive approaches and exposure of the bone 


- ↑ initial patient morbidity


- Difficult in multiapical deformities with severe degrees of soft tissue contracture that cannot be stretched acutely 


- Difficult in juxta-articular deformities

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TESTE DEIN WISSEN

How is the plane of the hinge axis or angulation correction axis in relationship to the CORA?

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TESTE DEIN WISSEN

Perpendicular relationship to the plane of the CORA

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TESTE DEIN WISSEN

What is the limitation of dome osteotomie? What is the consequences?

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TESTE DEIN WISSEN

- Bone that are nonuniform in cross-section => ex: canine radius = ovoid


- Dome osteotomy blade must be size-matched with the bone in the widest dimension 

=> size mismatching in the sagittal plane + large decreases in post-correctional apposition and correctional accuracy

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TESTE DEIN WISSEN

Which osteotomie technique is more adapted for bone plate and screws? and for external fixator?

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TESTE DEIN WISSEN

- bone plate and screws

=> Closing wedge ostectomy 


- external skeletal fixator

=>Opening wedge osteotomies with little or no bone apposition possible

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TESTE DEIN WISSEN

What are the advantages of bone plate and screws?

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TESTE DEIN WISSEN

- Immediate rigid fixation => early return to function


- Less intensive postoperative care 

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TESTE DEIN WISSEN

What is an opening CORA?

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TESTE DEIN WISSEN

the point along the transverse bisecting line on the convex side of the neutral CORA

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Beispielhafte Karteikarten für deinen 46. Principles of Angular Limb Deformity Correction Kurs an der Veterinärmedizinische Universität Wien - von Kommilitonen auf StudySmarter erstellt!

Q:

What does the magnitude of the CORA equates ?

A:

the degree of correction required to eliminate the deformity

Q:

What is the transverse bisecting line ?

A:

straight line that bisects the mediolateral pair and runs through the CORA

Q:

Where are positioned the motor of an external skeletal fixator?

A:

- on the side opposite the hinge axis

- along CORA plane

Q:

If the planes of 2 deformities within a bone are in the same direction, magnifying the angulation, how is the directional relationship between the CORAs called?


A:

Noncompensated

Q:

Compared to the deviation of the bone, in which direction is the CORA?

A:

Always in the direction opposite to how the bone is deviated

Mehr Karteikarten anzeigen
Q:

What is the neutral CORA?

A:

The point of intersection of the axes of 2 segments of the bone that are angled relative to one another

Q:

What are the disadvantages of bone plate and screws?

A:

- Alignment adjustments not possible postoperatively


- Contouring of the plate challenging 


- More extensive approaches and exposure of the bone 


- ↑ initial patient morbidity


- Difficult in multiapical deformities with severe degrees of soft tissue contracture that cannot be stretched acutely 


- Difficult in juxta-articular deformities

Q:

How is the plane of the hinge axis or angulation correction axis in relationship to the CORA?

A:

Perpendicular relationship to the plane of the CORA

Q:

What is the limitation of dome osteotomie? What is the consequences?

A:

- Bone that are nonuniform in cross-section => ex: canine radius = ovoid


- Dome osteotomy blade must be size-matched with the bone in the widest dimension 

=> size mismatching in the sagittal plane + large decreases in post-correctional apposition and correctional accuracy

Q:

Which osteotomie technique is more adapted for bone plate and screws? and for external fixator?

A:

- bone plate and screws

=> Closing wedge ostectomy 


- external skeletal fixator

=>Opening wedge osteotomies with little or no bone apposition possible

Q:

What are the advantages of bone plate and screws?

A:

- Immediate rigid fixation => early return to function


- Less intensive postoperative care 

Q:

What is an opening CORA?

A:

the point along the transverse bisecting line on the convex side of the neutral CORA

46. Principles of Angular Limb Deformity Correction

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