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Adult Reconstruction
intermediate
X-Type

THA Surgical Approaches - Posterior vs Anterior, Nerve Injury and Dislocation Risk

Hip Arthroplasty

A 65-year-old woman requires total hip arthroplasty for end-stage osteoarthritis. During preoperative counselling, she asks about the different surgical approaches and their risks. The surgeon explains the options including posterior, direct anterior, and lateral approaches, discussing the specific nerve injury risks, dislocation rates, and recovery profiles for each. She is particularly interested in understanding why the surgeon recommends posterior soft tissue repair and what precautions she would need to follow postoperatively. Regarding THA surgical approaches and their complications:

Mark each as TRUE or FALSE

A

The POSTERIOR approach is most commonly used in Australia (60% AOANJRR); it passes through piriformi...

B

The DIRECT ANTERIOR APPROACH (DAA) uses a true INTERNERVOUS PLANE between TFL (superior gluteal nerv...

C

The posterior approach uses a true internervous plane; the femoral nerve is at highest risk posterio...

D

LATERAL approaches (Hardinge/anterolateral) split or detach the GLUTEUS MEDIUS and MINIMUS; the SUPE...

E

Dislocation direction correlates with approach: POSTERIOR approach = posterior dislocation (hip flex...

Answer the questions to see explanations

Click T (True) or F (False) for each option