Study Total Hip Replacement (PTA 201) Flash Cards

 
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Total Hip Replacement (PTA 201)

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When can closed chain functional activities begin with a cemented THA patient?
3-8 WEEKS POST OP
When can the moderate protection phase begin with a THA patient?
-CAN BEGIN WHEN THE PATIENT HAS DEMONSTRATED IMPROVED QUADRICEPS CONTROL
-ACTIVE KNEE FLEXION
-REDUCED PAIN
-COMPLIANCE WITH ALL PRECAUTIONS AND EXERCISES
This THA approach will often show a positive trendelenberg sign?
DIRECT LATERAL APPROACH

(BECAUSE OF DISRUPTION OF THE ABDUCTOR MECHANISM)
This THA approach will affect the abductor mechanism and is associated with postoperative weakness and gait abnormalities?
DIRECT LATERAL APPROACH
This THA approach preserves the integrity of the gluteus medius and vastus lateralis?
POSTEROLATERAL APPROACH
What is the primary disadvantage of a posterolateral THA approach?
ASSOCIATED WITH THE HIGHEST INCIDENCE OF POSTOPERATVE JOINT INSTABILITY.

*SUBLUXATION
*DISLOCATION
What is the most frequently used approach for a primary THA?
POSTEROLATERAL APPROACH
Cementless fixation?
ALLOWS OSSEOUS INGROWTH INTO THE BEADED OR MESH-LIKE SURFACES OF AN IMPLANT OR BY A CEMENTLESS PRESS-FIT TECHNIQUE
What motions need to be avoided for an anterior/anterolateral approach THR?
*90 DEGREES HIP FLEXION
*HIP EXTENSION, ADDUCTION, ER,
*COMBINED MOTION OF FLEXION/ABD/ER
What motions need to be avoided for a posterior/posteriolateral approach THR?
*90 DEGREES HIP FLEXION
*ADDUCTION
-INTERNAL ROTATION
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