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by the.bonestories

Category: Arthroplasty

Hemiarthroplasty Hip — Indications
👁 12 views

Most common indication: displaced femoral neck fracture in elderly. Types: unipolar (Austin-Moore, Thompson) vs bipolar prostheses. Advantages: shorte...

Total Hip Arthroplasty (THA) — Indications & Outcomes
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Indications: end-stage hip OA, AVN, RA, ankylosing spondylitis, fracture neck femur (elderly). Contraindications: active infection, severe medical com...

Total Knee Arthroplasty (TKA) — Indications & Outcomes
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Indications: end-stage OA, RA, post-traumatic arthritis with pain and disability. Contraindications: active infection, severe vascular disease, extens...

Unicompartmental Knee Arthroplasty (UKA) — Indications & Outcomes
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Indications: isolated unicompartmental OA with intact ligaments and correctable deformity. Contraindications: inflammatory arthritis, fixed deformity,...

Outpatient / Day-care Joint Replacement — Safety & Protocols
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Enhanced recovery protocols (ERAS) enable same-day/next-day discharge in selected patients. Selection: ASA I–II, motivated, good support, no major com...

Computer-Assisted / Navigation-based Arthroplasty
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Computer-assisted surgery (CAS) improves component alignment in TKA/THA. Techniques: imageless and CT-based navigation. Benefits: improved mechanical...

Robotic-Assisted Joint Replacement — Current Evidence
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Robotics assists bone preparation and implant positioning (mostly semi-active systems). Potential: improved accuracy, reproducibility, individualized...

Patient-Specific Instrumentation in Arthroplasty
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PSI uses preop MRI/CT to fabricate custom cutting jigs. Goal: improve accuracy, reduce OR time/inventory; evidence shows marginal accuracy gains witho...

Cementless vs Cemented Fixation in Arthroplasty
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THA: cementless acetabular components standard; femoral fixation cemented (elderly) vs cementless (younger). TKA: tibial components commonly cemented;...

Unicompartmental vs Total Knee Arthroplasty — Indications & Outcomes
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UKA: isolated compartment OA, intact ACL/collaterals, correctible deformity; faster recovery, more natural kinematics. TKA: multicompartment disease,...