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Anterior peritrochanteric portal with limb in internal rotation
1%
29/3549
Anterior peritrochanteric portal with limb in flexion
25/3549
Posterior peritrochanteric portal with limb in internal rotation
50%
1775/3549
Posterior peritrochanteric portal with limb in external rotation
48%
1688/3549
Distal lateral portal with limb in neutral rotation
0%
9/3549
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The posterolateral portal is made 2-3cm posterior to the tip of the greater trochanter. The hip should never be externally rotated during this portal entry as this brings the sciatic nerve closer to the portal. Internal rotation would move the portal farther away from the sciatic nerve- this concept is similar to internally rotating during a posterior approach to the hip for a total hip arthroplasty. McCarthy presents a review of hip arthroscopy basic priniciples.
3.5
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