Author: Alexander Sah

  • Intraprosthetic Dislocation of a Dual Mobility Bearing After Hip Dislocation

    Intraprosthetic Dislocation of a Dual Mobility Bearing After Hip Dislocation Alexander Sah, MD   History: This pleasant 79-year-old female had a series of problems after a metal-on-metal right hip replacement was done elsewhere in 2004. Due to elevated serum metal ion levels, the hip was revised in 2014 to a 28x48mm dual mobility bearing. Per […]

  • Failure of a metal-on-metal hip replacement: An unusual and severe case of corrosion

    Failure of a metal-on-metal hip replacement: An unusual and severe case of corrosion Alexander Sah, MD History The patient is a 79-year-old female with a 5 year history of R>L hip pain. She had anterior hip replacements done elsewhere about 10 years ago. Her gradual right hip pain has worsened over the past year. She […]

  • Tibial Component Loosening and Bone Loss in a Patient with Chronic Pain

    Tibial Component Loosening and Bone Loss in a Patient with Chronic Pain Alexander Sah, MD History The patient is a 75-year-old female who underwent right total knee replacement in 1998 by her local surgeon. She did well until 4 years ago when she began to have knee pain. Radiographs indicated loosening of the tibial component […]

  • An Unusual Failure of TKA

    An Unusual Failure of TKA: Surgical Considerations and Pain Management in the Revision Setting Alexander Sah, MD History A pleasant 61-year-old female presents with a 2 year history of left knee pain. She had previously undergone uncomplicated left total knee replacement at an outside institution. She reports that she was doing well until she fell and broke […]