Description
The transcript covers a series of orthopedic presentations focused on total hip arthroplasty, surgical approaches, implant positioning, stability, and outcomes. One talk described a medial inguinal approach to the hip, explaining the incision, anatomy, safety considerations around the femoral artery, vein, and nerve, and how this approach offers a more direct path to the joint than the anterior approach. Another study used radio stereometric analysis to assess component impingement risk after direct anterior total hip arthroplasty over five years, finding stable supine measurements but higher impingement risk in standing positions, especially with smaller femoral heads and standard stems. A retrospective comparison of surgical approaches for short anatomical stems in dysplasia found that the anterolateral approach took longer and produced a different stem flexion alignment, while functional outcomes were slightly better, with attention needed to sagittal alignment.
Additional presentations focused on dislocation and stability. One reported mid-term outcomes of dual mobility cups in primary total hip arthroplasty, showing excellent survivorship but noting that dislocations were linked to poor implant position and inadequate offset. Another compared anterior and posterior approaches for concomitant gluteus medius repair during total hip arthroplasty, finding comparable improvements and no revision surgeries in either group. A fluoroscopy-guided capsular nerve block combined with local infiltration analgesia was presented as an effective pain-control method for direct anterior total hip arthroplasty, particularly in the early postoperative period.
A cadaveric study on hip hemiarthroplasty showed that acetabular labrum injury reduces dislocation resistance and that repair only partially restores stability, especially with smaller head sizes. A large retrospective review found that maximizing femoral head size for a given cup reduced early dislocation risk after primary total hip arthroplasty. Another oncology-related presentation described use of a reinforcement ring system for acetabular metastasis reconstruction, reporting acceptable mid-term implant survival and emphasizing its value for pain relief, function, and weight-bearing. Finally, a revision total hip arthroplasty study with a monoblock dual mobility bearing cemented into a porous shell reported reliable fixation and low revision rates. The last talk showed that after isolated headliner exchange, dislocation remained common overall, but the direct anterior approach was associated with an approximately eight-fold lower dislocation risk than the posterolateral approach.